Merge branch 'carnil/4.19-stable-updates' into 'buster'
4.19 stable updates for buster See merge request kernel-team/linux!196
This commit is contained in:
commit
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|
@ -1,5 +1,5 @@
|
|||
[abi]
|
||||
abiname: 7
|
||||
abiname: 8
|
||||
ignore-changes:
|
||||
__cpuhp_*
|
||||
bpf_analyzer
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From b08620f77bc1fbffba40e033f492a241bc2c62d6 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:18 +0200
|
||||
Subject: [PATCH 001/290] ARM: at91: add TCB registers definitions
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=3b15d99032dfca622e695f10a9934c16fa8b05a0
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Add registers and bits definitions for the timer counter blocks found on
|
||||
Atmel ARM SoCs.
|
||||
|
@ -204,3 +205,6 @@ index 000000000000..657e234b1483
|
|||
+};
|
||||
+
|
||||
+#endif /* __SOC_ATMEL_TCB_H */
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From bc9f46c6ecb0be8a5a14b31b032740f3a1d74761 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:19 +0200
|
||||
Subject: [PATCH 002/290] clocksource/drivers: Add a new driver for the Atmel
|
||||
ARM TC blocks
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=1cc14d070ff9808e86cd76edc497abd71537b237
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Add a driver for the Atmel Timer Counter Blocks. This driver provides a
|
||||
clocksource and two clockevent devices.
|
||||
|
@ -479,3 +480,6 @@ index 000000000000..21fbe430f91b
|
|||
+ bits);
|
||||
+}
|
||||
+TIMER_OF_DECLARE(atmel_tcb_clksrc, "atmel,tcb-timer", tcb_clksrc_init);
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From bfee0cb2aad9baa607add364cd5a6c05d6782641 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:20 +0200
|
||||
Subject: [PATCH 003/290] clocksource/drivers: timer-atmel-tcb: add clockevent
|
||||
device on separate channel
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=10269a72d7656134bd29f2ef8a4cbd4d166ac825
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Add an other clockevent device that uses a separate TCB channel when
|
||||
available.
|
||||
|
@ -265,3 +266,6 @@ index 21fbe430f91b..63ce3b69338a 100644
|
|||
}
|
||||
}
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 00029cfcfece0c114d6428fcb7e52545a88cf2c1 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:21 +0200
|
||||
Subject: [PATCH 004/290] clocksource/drivers: atmel-pit: make option silent
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=7573710162f30e8c45e60a62ffd20cf4027360bf
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
To conform with the other option, make the ATMEL_PIT option silent so it
|
||||
can be selected from the platform
|
||||
|
@ -30,3 +31,6 @@ index 0ab22e7037f4..34b07047b91f 100644
|
|||
|
||||
config ATMEL_ST
|
||||
bool "Atmel ST timer support" if COMPILE_TEST
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From d6f57849d568f7bad4a562fc3466f773384c5af7 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:22 +0200
|
||||
Subject: [PATCH 005/290] ARM: at91: Implement clocksource selection
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=1c682aaa18596b92057ac104266f0d0fefa05ef0
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Allow selecting and unselecting the PIT clocksource driver so it doesn't
|
||||
have to be compile when unused.
|
||||
|
@ -49,3 +50,6 @@ index 903f23c309df..fa493a86e2bb 100644
|
|||
config HAVE_AT91_UTMI
|
||||
bool
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 218e2c7678889a89128237d82a61bf1f23d9cc77 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:23 +0200
|
||||
Subject: [PATCH 006/290] ARM: configs: at91: use new TCB timer driver
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=2100311e3ae9a532f88135fe46237e09ac77c7a3
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Unselecting ATMEL_TCLIB switches the TCB timer driver from tcb_clksrc to
|
||||
timer-atmel-tcb.
|
||||
|
@ -37,3 +38,6 @@ index 2080025556b5..f2bbc6339ca6 100644
|
|||
CONFIG_ATMEL_SSC=y
|
||||
CONFIG_EEPROM_AT24=y
|
||||
CONFIG_SCSI=y
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 4773aa4fa5a18ca0b25a456fc06be41464775211 Mon Sep 17 00:00:00 2001
|
||||
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
|
||||
Date: Thu, 13 Sep 2018 13:30:24 +0200
|
||||
Subject: [PATCH 007/290] ARM: configs: at91: unselect PIT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=09237389b9cefeb3f5e277ad4e35c5ca3b62db42
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The PIT is not required anymore to successfully boot and may actually harm
|
||||
in case preempt-rt is used because the PIT interrupt is shared.
|
||||
|
@ -38,3 +39,6 @@ index f2bbc6339ca6..be92871ab155 100644
|
|||
CONFIG_AEABI=y
|
||||
CONFIG_UACCESS_WITH_MEMCPY=y
|
||||
CONFIG_ZBOOT_ROM_TEXT=0x0
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 5322b48ab45dcd7e238e7a92c17746b904092021 Mon Sep 17 00:00:00 2001
|
||||
From: Marc Zyngier <marc.zyngier@arm.com>
|
||||
Date: Fri, 27 Jul 2018 13:38:54 +0100
|
||||
Subject: [PATCH 008/290] irqchip/gic-v3-its: Move pending table allocation to
|
||||
init time
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=a0a08ef23f2e37ccaa18fb80939e9b43871e0667
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
|
||||
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
|
@ -12,7 +13,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
2 files changed, 53 insertions(+), 28 deletions(-)
|
||||
|
||||
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
|
||||
index e7549a2b1482..b68650b55b9f 100644
|
||||
index 050d6e040128..fc4c319ee1d7 100644
|
||||
--- a/drivers/irqchip/irq-gic-v3-its.c
|
||||
+++ b/drivers/irqchip/irq-gic-v3-its.c
|
||||
@@ -179,6 +179,7 @@ static DEFINE_RAW_SPINLOCK(vmovp_lock);
|
||||
|
@ -23,7 +24,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
#define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base)
|
||||
#define gic_data_rdist_vlpi_base() (gic_data_rdist_rd_base() + SZ_128K)
|
||||
|
||||
@@ -1644,7 +1645,7 @@ static void its_free_prop_table(struct page *prop_page)
|
||||
@@ -1659,7 +1660,7 @@ static void its_free_prop_table(struct page *prop_page)
|
||||
get_order(LPI_PROPBASE_SZ));
|
||||
}
|
||||
|
||||
|
@ -32,7 +33,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
{
|
||||
phys_addr_t paddr;
|
||||
|
||||
@@ -1992,30 +1993,47 @@ static u64 its_clear_vpend_valid(void __iomem *vlpi_base)
|
||||
@@ -2007,30 +2008,47 @@ static u64 its_clear_vpend_valid(void __iomem *vlpi_base)
|
||||
return val;
|
||||
}
|
||||
|
||||
|
@ -95,7 +96,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
/* set PROPBASE */
|
||||
val = (page_to_phys(gic_rdists->prop_page) |
|
||||
GICR_PROPBASER_InnerShareable |
|
||||
@@ -2091,6 +2109,10 @@ static void its_cpu_init_lpis(void)
|
||||
@@ -2106,6 +2124,10 @@ static void its_cpu_init_lpis(void)
|
||||
|
||||
/* Make sure the GIC has seen the above */
|
||||
dsb(sy);
|
||||
|
@ -106,7 +107,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
}
|
||||
|
||||
static void its_cpu_init_collection(struct its_node *its)
|
||||
@@ -3570,16 +3592,6 @@ static int redist_disable_lpis(void)
|
||||
@@ -3585,16 +3607,6 @@ static int redist_disable_lpis(void)
|
||||
u64 timeout = USEC_PER_SEC;
|
||||
u64 val;
|
||||
|
||||
|
@ -123,7 +124,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
if (!gic_rdists_supports_plpis()) {
|
||||
pr_info("CPU%d: LPIs not supported\n", smp_processor_id());
|
||||
return -ENXIO;
|
||||
@@ -3589,7 +3601,18 @@ static int redist_disable_lpis(void)
|
||||
@@ -3604,7 +3616,18 @@ static int redist_disable_lpis(void)
|
||||
if (!(val & GICR_CTLR_ENABLE_LPIS))
|
||||
return 0;
|
||||
|
||||
|
@ -143,7 +144,7 @@ index e7549a2b1482..b68650b55b9f 100644
|
|||
smp_processor_id());
|
||||
add_taint(TAINT_CRAP, LOCKDEP_STILL_OK);
|
||||
|
||||
@@ -3845,7 +3868,8 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists,
|
||||
@@ -3860,7 +3883,8 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists,
|
||||
}
|
||||
|
||||
gic_rdists = rdists;
|
||||
|
@ -165,3 +166,6 @@ index 3188c0bef3e7..5b57501fd2e7 100644
|
|||
} __percpu *rdist;
|
||||
struct page *prop_page;
|
||||
u64 flags;
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From e2fc3df409c6764dc2c394061aae000a86437a7c Mon Sep 17 00:00:00 2001
|
||||
From: Julia Cartwright <julia@ni.com>
|
||||
Date: Fri, 28 Sep 2018 21:03:51 +0000
|
||||
Subject: [PATCH 009/290] kthread: convert worker lock to raw spinlock
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=781154b56e9d694b817b093e6c4a22cbb0ad20d8
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
In order to enable the queuing of kthread work items from hardirq
|
||||
context even when PREEMPT_RT_FULL is enabled, convert the worker
|
||||
|
@ -197,3 +198,6 @@ index 087d18d771b5..5641b55783a6 100644
|
|||
out:
|
||||
return ret;
|
||||
}
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From ba865f26206ec12d7d6a140c2a9f6871c7be3d5f Mon Sep 17 00:00:00 2001
|
||||
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
|
||||
Date: Mon, 8 Oct 2018 14:09:37 +0300
|
||||
Subject: [PATCH 010/290] crypto: caam/qi - simplify CGR allocation, freeing
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=1d10c08ca4b5279cfa1f77d05dded9377191ed3f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
[Upstream commit 29e83c757006fd751966bdc53392bb22d74179c6]
|
||||
|
||||
|
@ -134,3 +135,6 @@ index 357b69f57072..b6c8acc30853 100644
|
|||
|
||||
/**
|
||||
* qi_cache_alloc - Allocate buffers from CAAM-QI cache
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 147b5bb1f8cd2975bdfa1368ba792f28df1ab8a6 Mon Sep 17 00:00:00 2001
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Mon, 7 Jan 2019 13:52:31 +0100
|
||||
Subject: [PATCH 011/290] sched/fair: Robustify CFS-bandwidth timer locking
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=1a1e9d89852d01e24232b177091911f075b64f65
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Traditionally hrtimer callbacks were run with IRQs disabled, but with
|
||||
the introduction of HRTIMER_MODE_SOFT it is possible they run from
|
||||
|
@ -24,16 +25,15 @@ Tested-by: Mike Galbraith <efault@gmx.de>
|
|||
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
|
||||
Link: https://lkml.kernel.org/r/20190107125231.GE14122@hirez.programming.kicks-ass.net
|
||||
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
[Salvatore Bonaccorso: Backport to 4.19.84 due to context changes caused by
|
||||
502bd151448c ("sched/fair: Fix low cpu usage with high throttling by removing
|
||||
expiration of cpu-local slices")]
|
||||
---
|
||||
kernel/sched/fair.c | 30 ++++++++++++++++--------------
|
||||
1 file changed, 16 insertions(+), 14 deletions(-)
|
||||
|
||||
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
|
||||
index f0abb8fe0ae9..b5e03fc56d65 100644
|
||||
--- a/kernel/sched/fair.c
|
||||
+++ b/kernel/sched/fair.c
|
||||
@@ -4560,7 +4560,7 @@
|
||||
@@ -4560,7 +4560,7 @@ static u64 distribute_cfs_runtime(struct cfs_bandwidth *cfs_b, u64 remaining)
|
||||
struct rq *rq = rq_of(cfs_rq);
|
||||
struct rq_flags rf;
|
||||
|
||||
|
@ -42,7 +42,7 @@ expiration of cpu-local slices")]
|
|||
if (!cfs_rq_throttled(cfs_rq))
|
||||
goto next;
|
||||
|
||||
@@ -4579,7 +4579,7 @@
|
||||
@@ -4579,7 +4579,7 @@ static u64 distribute_cfs_runtime(struct cfs_bandwidth *cfs_b, u64 remaining)
|
||||
unthrottle_cfs_rq(cfs_rq);
|
||||
|
||||
next:
|
||||
|
@ -51,7 +51,7 @@ expiration of cpu-local slices")]
|
|||
|
||||
if (!remaining)
|
||||
break;
|
||||
@@ -4595,7 +4595,7 @@
|
||||
@@ -4595,7 +4595,7 @@ static u64 distribute_cfs_runtime(struct cfs_bandwidth *cfs_b, u64 remaining)
|
||||
* period the timer is deactivated until scheduling resumes; cfs_b->idle is
|
||||
* used to track this state.
|
||||
*/
|
||||
|
@ -60,7 +60,7 @@ expiration of cpu-local slices")]
|
|||
{
|
||||
u64 runtime;
|
||||
int throttled;
|
||||
@@ -4635,10 +4635,10 @@
|
||||
@@ -4635,10 +4635,10 @@ static int do_sched_cfs_period_timer(struct cfs_bandwidth *cfs_b, int overrun)
|
||||
while (throttled && cfs_b->runtime > 0 && !cfs_b->distribute_running) {
|
||||
runtime = cfs_b->runtime;
|
||||
cfs_b->distribute_running = 1;
|
||||
|
@ -73,7 +73,7 @@ expiration of cpu-local slices")]
|
|||
|
||||
cfs_b->distribute_running = 0;
|
||||
throttled = !list_empty(&cfs_b->throttled_cfs_rq);
|
||||
@@ -4746,16 +4746,17 @@
|
||||
@@ -4746,16 +4746,17 @@ static __always_inline void return_cfs_rq_runtime(struct cfs_rq *cfs_rq)
|
||||
static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
|
||||
{
|
||||
u64 runtime = 0, slice = sched_cfs_bandwidth_slice();
|
||||
|
@ -94,7 +94,7 @@ expiration of cpu-local slices")]
|
|||
return;
|
||||
}
|
||||
|
||||
@@ -4765,17 +4766,17 @@
|
||||
@@ -4765,17 +4766,17 @@ static void do_sched_cfs_slack_timer(struct cfs_bandwidth *cfs_b)
|
||||
if (runtime)
|
||||
cfs_b->distribute_running = 1;
|
||||
|
||||
|
@ -115,7 +115,7 @@ expiration of cpu-local slices")]
|
|||
}
|
||||
|
||||
/*
|
||||
@@ -4855,11 +4856,12 @@
|
||||
@@ -4855,11 +4856,12 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
|
||||
{
|
||||
struct cfs_bandwidth *cfs_b =
|
||||
container_of(timer, struct cfs_bandwidth, period_timer);
|
||||
|
@ -129,7 +129,7 @@ expiration of cpu-local slices")]
|
|||
for (;;) {
|
||||
overrun = hrtimer_forward_now(timer, cfs_b->period);
|
||||
if (!overrun)
|
||||
@@ -4887,11 +4889,11 @@
|
||||
@@ -4895,11 +4897,11 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
|
||||
count = 0;
|
||||
}
|
||||
|
||||
|
@ -143,3 +143,6 @@ expiration of cpu-local slices")]
|
|||
|
||||
return idle ? HRTIMER_NORESTART : HRTIMER_RESTART;
|
||||
}
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From fd46cb23c2b2f9fe3514d2e773f289e0e2f46d73 Mon Sep 17 00:00:00 2001
|
||||
From: Frank Rowand <frank.rowand@am.sony.com>
|
||||
Date: Mon, 19 Sep 2011 14:51:14 -0700
|
||||
Subject: [PATCH 012/290] arm: Convert arm boot_lock to raw
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=9ebc1e4c87e1febc77c492b70626744e2249c23f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The arm boot_lock is used by the secondary processor startup code. The locking
|
||||
task is the idle thread, which has idle->sched_class == &idle_sched_class.
|
||||
|
@ -426,3 +427,6 @@ index c2366510187a..6b60f582b738 100644
|
|||
|
||||
return pen_release != -1 ? -ENOSYS : 0;
|
||||
}
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 2ab61b3cb2b66bd2515c8531da37be20f5cc14a9 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 17 Jul 2018 18:25:31 +0200
|
||||
Subject: [PATCH 013/290] x86/ioapic: Don't let setaffinity unmask threaded EOI
|
||||
interrupt too early
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=269b937b10ea6588bf79b4d789c40cc5214711cf
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
There is an issue with threaded interrupts which are marked ONESHOT
|
||||
and using the fasteoi handler.
|
||||
|
@ -30,27 +31,23 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|||
ifdef paths (spotted by Andy Shevchenko)]
|
||||
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
---
|
||||
arch/x86/kernel/apic/io_apic.c | 23 +++++++++++++----------
|
||||
1 file changed, 13 insertions(+), 10 deletions(-)
|
||||
arch/x86/kernel/apic/io_apic.c | 16 ++++++++--------
|
||||
1 file changed, 8 insertions(+), 8 deletions(-)
|
||||
|
||||
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
|
||||
index ab22eded61d2..91db2ec0c10a 100644
|
||||
index fa3b85b222e3..1bdad61a3ef7 100644
|
||||
--- a/arch/x86/kernel/apic/io_apic.c
|
||||
+++ b/arch/x86/kernel/apic/io_apic.c
|
||||
@@ -1722,19 +1722,20 @@ static bool io_apic_level_ack_pending(struct mp_chip_data *data)
|
||||
@@ -1722,7 +1722,7 @@ static bool io_apic_level_ack_pending(struct mp_chip_data *data)
|
||||
return false;
|
||||
}
|
||||
|
||||
-static inline bool ioapic_irqd_mask(struct irq_data *data)
|
||||
+static inline bool ioapic_prepare_move(struct irq_data *data)
|
||||
{
|
||||
/* If we are moving the irq we need to mask it */
|
||||
/* If we are moving the IRQ we need to mask it */
|
||||
if (unlikely(irqd_is_setaffinity_pending(data))) {
|
||||
- mask_ioapic_irq(data);
|
||||
+ if (!irqd_irq_masked(data))
|
||||
+ mask_ioapic_irq(data);
|
||||
return true;
|
||||
}
|
||||
@@ -1733,9 +1733,9 @@ static inline bool ioapic_irqd_mask(struct irq_data *data)
|
||||
return false;
|
||||
}
|
||||
|
||||
|
@ -62,14 +59,7 @@ index ab22eded61d2..91db2ec0c10a 100644
|
|||
/* Only migrate the irq if the ack has been received.
|
||||
*
|
||||
* On rare occasions the broadcast level triggered ack gets
|
||||
@@ -1763,15 +1764,17 @@ static inline void ioapic_irqd_unmask(struct irq_data *data, bool masked)
|
||||
*/
|
||||
if (!io_apic_level_ack_pending(data->chip_data))
|
||||
irq_move_masked_irq(data);
|
||||
- unmask_ioapic_irq(data);
|
||||
+ /* If the irq is masked in the core, leave it */
|
||||
+ if (!irqd_irq_masked(data))
|
||||
+ unmask_ioapic_irq(data);
|
||||
@@ -1770,11 +1770,11 @@ static inline void ioapic_irqd_unmask(struct irq_data *data, bool masked)
|
||||
}
|
||||
}
|
||||
#else
|
||||
|
@ -83,7 +73,7 @@ index ab22eded61d2..91db2ec0c10a 100644
|
|||
{
|
||||
}
|
||||
#endif
|
||||
@@ -1780,11 +1783,11 @@ static void ioapic_ack_level(struct irq_data *irq_data)
|
||||
@@ -1783,11 +1783,11 @@ static void ioapic_ack_level(struct irq_data *irq_data)
|
||||
{
|
||||
struct irq_cfg *cfg = irqd_cfg(irq_data);
|
||||
unsigned long v;
|
||||
|
@ -97,7 +87,7 @@ index ab22eded61d2..91db2ec0c10a 100644
|
|||
|
||||
/*
|
||||
* It appears there is an erratum which affects at least version 0x11
|
||||
@@ -1839,7 +1842,7 @@ static void ioapic_ack_level(struct irq_data *irq_data)
|
||||
@@ -1842,7 +1842,7 @@ static void ioapic_ack_level(struct irq_data *irq_data)
|
||||
eoi_ioapic_pin(cfg->vector, irq_data->chip_data);
|
||||
}
|
||||
|
||||
|
@ -106,3 +96,6 @@ index ab22eded61d2..91db2ec0c10a 100644
|
|||
}
|
||||
|
||||
static void ioapic_ir_ack_level(struct irq_data *irq_data)
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 56933f479ee6e504e58236259c2fdacd09bcdeb1 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 3 Jul 2018 18:19:48 +0200
|
||||
Subject: [PATCH 014/290] cgroup: use irqsave in cgroup_rstat_flush_locked()
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=a46bfc03c899ec820ba9e964b1bac8ee7ffc5f2f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
All callers of cgroup_rstat_flush_locked() acquire cgroup_rstat_lock
|
||||
either with spin_lock_irq() or spin_lock_irqsave().
|
||||
|
@ -44,3 +45,6 @@ index bb95a35e8c2d..3266a9781b4e 100644
|
|||
|
||||
/* if @may_sleep, play nice and yield if necessary */
|
||||
if (may_sleep && (need_resched() ||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 11a5fe1b2f98fc37eac8919e99282c1b91f5bb05 Mon Sep 17 00:00:00 2001
|
||||
From: Clark Williams <williams@redhat.com>
|
||||
Date: Tue, 3 Jul 2018 13:34:30 -0500
|
||||
Subject: [PATCH 015/290] fscache: initialize cookie hash table raw spinlocks
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=534df1b6875bc0ff92dc2bd5c5fcbe82f606443f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The fscache cookie mechanism uses a hash table of hlist_bl_head structures. The
|
||||
PREEMPT_RT patcheset adds a raw spinlock to this structure and so on PREEMPT_RT
|
||||
|
@ -58,3 +59,6 @@ index 84b90a79d75a..87a9330eafa2 100644
|
|||
|
||||
/**
|
||||
* fscache_register_netfs - Register a filesystem as desiring caching services
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 42e5ab6924b31025c97846b749ebe188ee4b5fdd Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Wed, 29 Aug 2018 21:59:04 +0200
|
||||
Subject: [PATCH 016/290] Drivers: hv: vmbus: include header for get_irq_regs()
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=32d049f2969bf30456b5afbcf2c709e7667ee6f7
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
On !RT the header file get_irq_regs() gets pulled in via other header files. On
|
||||
RT it does not and the build fails:
|
||||
|
@ -34,3 +35,6 @@ index 87d3d7da78f8..1d2d8a4b837d 100644
|
|||
|
||||
#include "hv_trace.h"
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From bc0b4a3ef268cec82163752ddaa730d8ec193d7c Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 11 Oct 2018 16:39:59 +0200
|
||||
Subject: [PATCH 017/290] percpu: include irqflags.h for raw_local_irq_save()
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=f917aafbaad3be951578ed66aa337f869b407357
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The header percpu.h header file is using raw_local_irq_save() but does
|
||||
not include irqflags.h for its definition. It compiles because the
|
||||
|
@ -27,3 +28,6 @@ index 1817a8415a5e..942d64c0476e 100644
|
|||
|
||||
#ifdef CONFIG_SMP
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From da834999f8c566ac722fd157de36dd3f9335c2ad Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 26 Jul 2018 15:06:10 +0200
|
||||
Subject: [PATCH 018/290] efi: Allow efi=runtime
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=0e3cdde741d28e9a96be78eff57024bfa1807a9d
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
In case the option "efi=noruntime" is default at built-time, the user
|
||||
could overwrite its sate by `efi=runtime' and allow it again.
|
||||
|
@ -26,3 +27,6 @@ index d54fca902e64..5db20908aa9c 100644
|
|||
return 0;
|
||||
}
|
||||
early_param("efi", parse_efi_cmdline);
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From d24d03df7b0c0b6a0975a373a815487a220ee93b Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 24 Jul 2018 14:48:55 +0200
|
||||
Subject: [PATCH 019/290] x86/efi: drop task_lock() from efi_switch_mm()
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=50a52c8407c717fe21f31d5ae907a1fd3ec7fd32
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
efi_switch_mm() is a wrapper around switch_mm() which saves current's
|
||||
->active_mm, sets the requests mm as ->active_mm and invokes
|
||||
|
@ -49,3 +50,6 @@ index ee5d08f25ce4..e8da7f492970 100644
|
|||
}
|
||||
|
||||
#ifdef CONFIG_EFI_MIXED
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 057073be1e10190ea715360a6fde5478df36b563 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 26 Jul 2018 09:13:42 +0200
|
||||
Subject: [PATCH 020/290] arm64: KVM: compute_layout before altenates are
|
||||
applied
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=7cf32c5e928501c234cefb60c14a7d2516bfdd27
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
compute_layout() is invoked as part of an alternative fixup under
|
||||
stop_machine() and needs a sleeping lock as part of get_random_long().
|
||||
|
@ -77,3 +78,6 @@ index c712a7376bc1..792da0e125de 100644
|
|||
/*
|
||||
* Compute HYP VA by using the same computation as kern_hyp_va()
|
||||
*/
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From af2b5f6fa1369ed12974a97865df6125bbede492 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 31 Aug 2018 14:16:30 +0200
|
||||
Subject: [PATCH 021/290] of: allocate / free phandle cache outside of the
|
||||
devtree_lock
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=62698ea1b5cfaf8b88d0df4b9b1acbf8ff591dac
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The phandle cache code allocates memory while holding devtree_lock which
|
||||
is a raw_spinlock_t. Memory allocation (and free()) is not possible on
|
||||
|
@ -18,7 +19,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 13 insertions(+), 6 deletions(-)
|
||||
|
||||
diff --git a/drivers/of/base.c b/drivers/of/base.c
|
||||
index 3f21ea6a90dc..2c7cf83b200c 100644
|
||||
index f0dbb7ad88cf..c59b30bab0e0 100644
|
||||
--- a/drivers/of/base.c
|
||||
+++ b/drivers/of/base.c
|
||||
@@ -130,31 +130,34 @@ static u32 phandle_cache_mask;
|
||||
|
@ -97,3 +98,6 @@ index 3f21ea6a90dc..2c7cf83b200c 100644
|
|||
}
|
||||
|
||||
void __init of_core_init(void)
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 90ac218590a6d692a0dafeeef4bfafea30811be3 Mon Sep 17 00:00:00 2001
|
||||
From: Clark Williams <williams@redhat.com>
|
||||
Date: Tue, 18 Sep 2018 10:29:31 -0500
|
||||
Subject: [PATCH 022/290] mm/kasan: make quarantine_lock a raw_spinlock_t
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=dea0e8e741a34a81211d1fc0eb65e8d48ed39059
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The static lock quarantine_lock is used in quarantine.c to protect the
|
||||
quarantine queue datastructures. It is taken inside quarantine queue
|
||||
|
@ -92,3 +93,6 @@ index 3a8ddf8baf7d..b209dbaefde8 100644
|
|||
|
||||
qlist_free_all(&to_free, cache);
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 37d23bb703b59574c9eeebba86f8c8b9cf382d15 Mon Sep 17 00:00:00 2001
|
||||
From: "Paul E. McKenney" <paulmck@linux.ibm.com>
|
||||
Date: Mon, 29 Oct 2018 11:53:01 +0100
|
||||
Subject: [PATCH 023/290] EXP rcu: Revert expedited GP parallelization
|
||||
cleverness
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=3a435c0a8c0607a971d75a41cf00b45699e690cc
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
(Commit 258ba8e089db23f760139266c232f01bad73f85c from linux-rcu)
|
||||
|
||||
|
@ -45,3 +46,6 @@ index 0b2c2ad69629..a0486414edb4 100644
|
|||
rnp->exp_need_flush = true;
|
||||
}
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 5a62bb92ae6df828a0b6cf14c0e1d55558f0002e Mon Sep 17 00:00:00 2001
|
||||
From: He Zhe <zhe.he@windriver.com>
|
||||
Date: Wed, 19 Dec 2018 16:30:57 +0100
|
||||
Subject: [PATCH 024/290] kmemleak: Turn kmemleak_lock to raw spinlock on RT
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=d823b15c5b9f5edcf6111f3b480674e4c2e42847
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
kmemleak_lock, as a rwlock on RT, can possibly be held in atomic context and
|
||||
causes the follow BUG.
|
||||
|
@ -163,3 +164,6 @@ index 5eeabece0c17..92ce99b15f2b 100644
|
|||
}
|
||||
|
||||
/*
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 78cfba1f8655c35ecd538b02a09000d4d7d18af9 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 28 Oct 2016 23:05:11 +0200
|
||||
Subject: [PATCH 025/290] NFSv4: replace seqcount_t with a seqlock_t
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=23180e2794932f9ce1ba1e0ef1ebb6a04c9ff676
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me
|
||||
because it maps to preempt_disable() in -RT which I can't have at this
|
||||
|
@ -18,8 +19,6 @@ block readers).
|
|||
|
||||
Reported-by: kernel test robot <xiaolong.ye@intel.com>
|
||||
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
[Aurelien Jarno: Backport to 4.19.86 due to context changes caused by
|
||||
aa84e0458d853 ("NFSv4.x: fix lock recovery during delegation recall")]
|
||||
---
|
||||
fs/nfs/delegation.c | 4 ++--
|
||||
fs/nfs/nfs4_fs.h | 2 +-
|
||||
|
@ -28,10 +27,10 @@ aa84e0458d853 ("NFSv4.x: fix lock recovery during delegation recall")]
|
|||
4 files changed, 21 insertions(+), 11 deletions(-)
|
||||
|
||||
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
|
||||
index 825a8c52165a..c14f02b41f0d 100644
|
||||
index 74ff459b75ef..6b422d1b5ae1 100644
|
||||
--- a/fs/nfs/delegation.c
|
||||
+++ b/fs/nfs/delegation.c
|
||||
@@ -152,11 +152,11 @@ static int nfs_delegation_claim_opens(struct inode *inode,
|
||||
@@ -162,11 +162,11 @@ static int nfs_delegation_claim_opens(struct inode *inode,
|
||||
sp = state->owner;
|
||||
/* Block nfs4_proc_unlck */
|
||||
mutex_lock(&sp->so_delegreturn_mutex);
|
||||
|
@ -59,10 +58,10 @@ index 5b61520dce88..2771aafaca19 100644
|
|||
};
|
||||
|
||||
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
|
||||
index 75faef7af22d..72abcccb8177 100644
|
||||
index 792f8821b5d6..041d235cf5ef 100644
|
||||
--- a/fs/nfs/nfs4proc.c
|
||||
+++ b/fs/nfs/nfs4proc.c
|
||||
@@ -2873,7 +2873,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
|
||||
@@ -2870,7 +2870,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
|
||||
unsigned int seq;
|
||||
int ret;
|
||||
|
||||
|
@ -71,7 +70,7 @@ index 75faef7af22d..72abcccb8177 100644
|
|||
|
||||
ret = _nfs4_proc_open(opendata, ctx);
|
||||
if (ret != 0)
|
||||
@@ -2914,7 +2914,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
|
||||
@@ -2911,7 +2911,7 @@ static int _nfs4_open_and_get_state(struct nfs4_opendata *opendata,
|
||||
|
||||
if (d_inode(dentry) == state->inode) {
|
||||
nfs_inode_attach_open_context(ctx);
|
||||
|
@ -132,3 +131,6 @@ index b3086e99420c..c9bf1eb7e1b2 100644
|
|||
return status;
|
||||
}
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,3 +1,4 @@
|
|||
From f8da0dd0f5a6dd0097a13f5f59567b9d7a91d0f4 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 4 Apr 2017 12:50:16 +0200
|
||||
Subject: [PATCH 026/290] kernel: sched: Provide a pointer to the valid CPU
|
||||
|
@ -5,7 +6,7 @@ Subject: [PATCH 026/290] kernel: sched: Provide a pointer to the valid CPU
|
|||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=6e2bd8c3352b171ecbd5aaae16f7abd30a82342c
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
In commit 4b53a3412d66 ("sched/core: Remove the tsk_nr_cpus_allowed()
|
||||
wrapper") the tsk_nr_cpus_allowed() wrapper was removed. There was not
|
||||
|
@ -165,10 +166,10 @@ index c9ef3c532169..cb10249b1125 100644
|
|||
/* Save the current cpu id for spu interrupt routing. */
|
||||
ctx->last_ran = raw_smp_processor_id();
|
||||
diff --git a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
|
||||
index 912d53939f4f..6b8dc68b5ccc 100644
|
||||
index a999a58ca331..d6410d0740ea 100644
|
||||
--- a/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
|
||||
+++ b/arch/x86/kernel/cpu/intel_rdt_pseudo_lock.c
|
||||
@@ -1435,7 +1435,7 @@ static int pseudo_lock_dev_mmap(struct file *filp, struct vm_area_struct *vma)
|
||||
@@ -1445,7 +1445,7 @@ static int pseudo_lock_dev_mmap(struct file *filp, struct vm_area_struct *vma)
|
||||
* may be scheduled elsewhere and invalidate entries in the
|
||||
* pseudo-locked region.
|
||||
*/
|
||||
|
@ -209,10 +210,10 @@ index bedd5fba33b0..3f4259f11a35 100644
|
|||
current->pid, current->comm,
|
||||
cpumask_pr_args(proc_mask));
|
||||
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
|
||||
index 64ab92f8a4a2..57ec8bb829f2 100644
|
||||
index 291c12f588b5..05e7b28a03c1 100644
|
||||
--- a/drivers/infiniband/hw/hfi1/sdma.c
|
||||
+++ b/drivers/infiniband/hw/hfi1/sdma.c
|
||||
@@ -852,14 +852,13 @@ struct sdma_engine *sdma_select_user_engine(struct hfi1_devdata *dd,
|
||||
@@ -853,14 +853,13 @@ struct sdma_engine *sdma_select_user_engine(struct hfi1_devdata *dd,
|
||||
{
|
||||
struct sdma_rht_node *rht_node;
|
||||
struct sdma_engine *sde = NULL;
|
||||
|
@ -320,10 +321,10 @@ index ff956ccbb6df..7bb129c5b412 100644
|
|||
}
|
||||
|
||||
diff --git a/kernel/fork.c b/kernel/fork.c
|
||||
index aef1430bdce0..173e010cba45 100644
|
||||
index 8cb5cd7c97e1..8c285876eb52 100644
|
||||
--- a/kernel/fork.c
|
||||
+++ b/kernel/fork.c
|
||||
@@ -845,6 +845,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
|
||||
@@ -840,6 +840,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig, int node)
|
||||
#ifdef CONFIG_STACKPROTECTOR
|
||||
tsk->stack_canary = get_random_canary();
|
||||
#endif
|
||||
|
@ -333,7 +334,7 @@ index aef1430bdce0..173e010cba45 100644
|
|||
/*
|
||||
* One for us, one for whoever does the "release_task()" (usually
|
||||
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
|
||||
index 78ecdfae25b6..39bb4b3eb1bf 100644
|
||||
index 2befd2c4ce9e..07dc66137a26 100644
|
||||
--- a/kernel/sched/core.c
|
||||
+++ b/kernel/sched/core.c
|
||||
@@ -878,7 +878,7 @@ static inline bool is_per_cpu_kthread(struct task_struct *p)
|
||||
|
@ -474,7 +475,7 @@ index 78ecdfae25b6..39bb4b3eb1bf 100644
|
|||
raw_spin_unlock_irqrestore(&p->pi_lock, flags);
|
||||
|
||||
out_unlock:
|
||||
@@ -5495,7 +5495,7 @@ int task_can_attach(struct task_struct *p,
|
||||
@@ -5496,7 +5496,7 @@ int task_can_attach(struct task_struct *p,
|
||||
* allowed nodes is unnecessary. Thus, cpusets are not
|
||||
* applicable for such threads. This prevents checking for
|
||||
* success of set_cpus_allowed_ptr() on all attached tasks
|
||||
|
@ -483,7 +484,7 @@ index 78ecdfae25b6..39bb4b3eb1bf 100644
|
|||
*/
|
||||
if (p->flags & PF_NO_SETAFFINITY) {
|
||||
ret = -EINVAL;
|
||||
@@ -5522,7 +5522,7 @@ int migrate_task_to(struct task_struct *p, int target_cpu)
|
||||
@@ -5523,7 +5523,7 @@ int migrate_task_to(struct task_struct *p, int target_cpu)
|
||||
if (curr_cpu == target_cpu)
|
||||
return 0;
|
||||
|
||||
|
@ -492,7 +493,7 @@ index 78ecdfae25b6..39bb4b3eb1bf 100644
|
|||
return -EINVAL;
|
||||
|
||||
/* TODO: This is not properly updating schedstats */
|
||||
@@ -5660,7 +5660,7 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
|
||||
@@ -5661,7 +5661,7 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf)
|
||||
put_prev_task(rq, next);
|
||||
|
||||
/*
|
||||
|
@ -572,7 +573,7 @@ index ebec37cb3be9..4b13df38c069 100644
|
|||
!dl_task(task) ||
|
||||
!task_on_rq_queued(task))) {
|
||||
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
|
||||
index b40d8c71e335..da5d60d25c27 100644
|
||||
index b5e03fc56d65..6e6d9e999814 100644
|
||||
--- a/kernel/sched/fair.c
|
||||
+++ b/kernel/sched/fair.c
|
||||
@@ -1662,7 +1662,7 @@ static void task_numa_compare(struct task_numa_env *env,
|
||||
|
@ -593,7 +594,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
continue;
|
||||
|
||||
env->dst_cpu = cpu;
|
||||
@@ -5800,7 +5800,7 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p,
|
||||
@@ -5743,7 +5743,7 @@ find_idlest_group(struct sched_domain *sd, struct task_struct *p,
|
||||
|
||||
/* Skip over this group if it has no CPUs allowed */
|
||||
if (!cpumask_intersects(sched_group_span(group),
|
||||
|
@ -602,7 +603,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
continue;
|
||||
|
||||
local_group = cpumask_test_cpu(this_cpu,
|
||||
@@ -5932,7 +5932,7 @@ find_idlest_group_cpu(struct sched_group *group, struct task_struct *p, int this
|
||||
@@ -5875,7 +5875,7 @@ find_idlest_group_cpu(struct sched_group *group, struct task_struct *p, int this
|
||||
return cpumask_first(sched_group_span(group));
|
||||
|
||||
/* Traverse only the allowed CPUs */
|
||||
|
@ -611,7 +612,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
if (available_idle_cpu(i)) {
|
||||
struct rq *rq = cpu_rq(i);
|
||||
struct cpuidle_state *idle = idle_get_state(rq);
|
||||
@@ -5972,7 +5972,7 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p
|
||||
@@ -5915,7 +5915,7 @@ static inline int find_idlest_cpu(struct sched_domain *sd, struct task_struct *p
|
||||
{
|
||||
int new_cpu = cpu;
|
||||
|
||||
|
@ -620,7 +621,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
return prev_cpu;
|
||||
|
||||
/*
|
||||
@@ -6089,7 +6089,7 @@ static int select_idle_core(struct task_struct *p, struct sched_domain *sd, int
|
||||
@@ -6032,7 +6032,7 @@ static int select_idle_core(struct task_struct *p, struct sched_domain *sd, int
|
||||
if (!test_idle_cores(target, false))
|
||||
return -1;
|
||||
|
||||
|
@ -629,7 +630,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
|
||||
for_each_cpu_wrap(core, cpus, target) {
|
||||
bool idle = true;
|
||||
@@ -6123,7 +6123,7 @@ static int select_idle_smt(struct task_struct *p, struct sched_domain *sd, int t
|
||||
@@ -6066,7 +6066,7 @@ static int select_idle_smt(struct task_struct *p, struct sched_domain *sd, int t
|
||||
return -1;
|
||||
|
||||
for_each_cpu(cpu, cpu_smt_mask(target)) {
|
||||
|
@ -638,7 +639,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
continue;
|
||||
if (available_idle_cpu(cpu))
|
||||
return cpu;
|
||||
@@ -6186,7 +6186,7 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t
|
||||
@@ -6129,7 +6129,7 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t
|
||||
for_each_cpu_wrap(cpu, sched_domain_span(sd), target) {
|
||||
if (!--nr)
|
||||
return -1;
|
||||
|
@ -647,7 +648,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
continue;
|
||||
if (available_idle_cpu(cpu))
|
||||
break;
|
||||
@@ -6223,7 +6223,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target)
|
||||
@@ -6166,7 +6166,7 @@ static int select_idle_sibling(struct task_struct *p, int prev, int target)
|
||||
recent_used_cpu != target &&
|
||||
cpus_share_cache(recent_used_cpu, target) &&
|
||||
available_idle_cpu(recent_used_cpu) &&
|
||||
|
@ -656,7 +657,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
/*
|
||||
* Replace recent_used_cpu with prev as it is a potential
|
||||
* candidate for the next wake:
|
||||
@@ -6441,7 +6441,7 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f
|
||||
@@ -6384,7 +6384,7 @@ select_task_rq_fair(struct task_struct *p, int prev_cpu, int sd_flag, int wake_f
|
||||
if (sd_flag & SD_BALANCE_WAKE) {
|
||||
record_wakee(p);
|
||||
want_affine = !wake_wide(p) && !wake_cap(p, cpu, prev_cpu)
|
||||
|
@ -665,7 +666,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
}
|
||||
|
||||
rcu_read_lock();
|
||||
@@ -7180,14 +7180,14 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
|
||||
@@ -7123,14 +7123,14 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
|
||||
/*
|
||||
* We do not migrate tasks that are:
|
||||
* 1) throttled_lb_pair, or
|
||||
|
@ -682,7 +683,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
int cpu;
|
||||
|
||||
schedstat_inc(p->se.statistics.nr_failed_migrations_affine);
|
||||
@@ -7207,7 +7207,7 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
|
||||
@@ -7150,7 +7150,7 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env)
|
||||
|
||||
/* Prevent to re-select dst_cpu via env's CPUs: */
|
||||
for_each_cpu_and(cpu, env->dst_grpmask, env->cpus) {
|
||||
|
@ -691,7 +692,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
env->flags |= LBF_DST_PINNED;
|
||||
env->new_dst_cpu = cpu;
|
||||
break;
|
||||
@@ -7804,7 +7804,7 @@ check_cpu_capacity(struct rq *rq, struct sched_domain *sd)
|
||||
@@ -7747,7 +7747,7 @@ check_cpu_capacity(struct rq *rq, struct sched_domain *sd)
|
||||
|
||||
/*
|
||||
* Group imbalance indicates (and tries to solve) the problem where balancing
|
||||
|
@ -700,7 +701,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
*
|
||||
* Imagine a situation of two groups of 4 CPUs each and 4 tasks each with a
|
||||
* cpumask covering 1 CPU of the first group and 3 CPUs of the second group.
|
||||
@@ -8419,7 +8419,7 @@ static struct sched_group *find_busiest_group(struct lb_env *env)
|
||||
@@ -8362,7 +8362,7 @@ static struct sched_group *find_busiest_group(struct lb_env *env)
|
||||
/*
|
||||
* If the busiest group is imbalanced the below checks don't
|
||||
* work because they assume all things are equal, which typically
|
||||
|
@ -709,7 +710,7 @@ index b40d8c71e335..da5d60d25c27 100644
|
|||
*/
|
||||
if (busiest->group_type == group_imbalanced)
|
||||
goto force_balance;
|
||||
@@ -8815,7 +8815,7 @@ static int load_balance(int this_cpu, struct rq *this_rq,
|
||||
@@ -8758,7 +8758,7 @@ static int load_balance(int this_cpu, struct rq *this_rq,
|
||||
* if the curr task on busiest CPU can't be
|
||||
* moved to this_cpu:
|
||||
*/
|
||||
|
@ -779,3 +780,6 @@ index 5522692100ba..8b4be8e1802a 100644
|
|||
|
||||
trace_foo_with_template_simple("HELLO", cnt);
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From a73bbe4b98f56b8c69e3932df7e083d1d94f5109 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Sat, 27 May 2017 19:02:06 +0200
|
||||
Subject: [PATCH 027/290] kernel/sched/core: add migrate_disable()
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=70a9ac89b97eb9275f3eb6d7adbba77ddd059fee
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
---
|
||||
include/linux/preempt.h | 23 +++++++
|
||||
|
@ -85,7 +86,7 @@ index 9fb239e12b82..5801e516ba63 100644
|
|||
* Callback to arch code if there's nosmp or maxcpus=0 on the
|
||||
* boot command line:
|
||||
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
|
||||
index 39bb4b3eb1bf..1a1ffb873d22 100644
|
||||
index 07dc66137a26..d0450f06612c 100644
|
||||
--- a/kernel/sched/core.c
|
||||
+++ b/kernel/sched/core.c
|
||||
@@ -1008,7 +1008,15 @@ void set_cpus_allowed_common(struct task_struct *p, const struct cpumask *new_ma
|
||||
|
@ -144,7 +145,7 @@ index 39bb4b3eb1bf..1a1ffb873d22 100644
|
|||
if (task_running(rq, p) || p->state == TASK_WAKING) {
|
||||
struct migration_arg arg = { p, dest_cpu };
|
||||
/* Need help from migration thread: drop lock and wait. */
|
||||
@@ -7104,3 +7133,100 @@ const u32 sched_prio_to_wmult[40] = {
|
||||
@@ -7105,3 +7134,100 @@ const u32 sched_prio_to_wmult[40] = {
|
||||
};
|
||||
|
||||
#undef CREATE_TRACE_POINTS
|
||||
|
@ -260,3 +261,6 @@ index 78fadf0438ea..5027158d3908 100644
|
|||
#undef PN_SCHEDSTAT
|
||||
#undef PN
|
||||
#undef __PN
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From ac059eda6d9782325d4d8432b5bee7638eafd90a Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 9 Oct 2018 17:34:50 +0200
|
||||
Subject: [PATCH 028/290] sched/migrate_disable: Add export_symbol_gpl for
|
||||
__migrate_disabled
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=ef09fdabc9d1ade69d87d4d674857172b6d172ee
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Jonathan reported that lttng/modules can't use __migrate_disabled().
|
||||
This function is only used by sched/core itself and the tracing
|
||||
|
@ -21,7 +22,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 1 insertion(+)
|
||||
|
||||
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
|
||||
index 1a1ffb873d22..a33c2c18628d 100644
|
||||
index d0450f06612c..e6022cc2605b 100644
|
||||
--- a/kernel/sched/core.c
|
||||
+++ b/kernel/sched/core.c
|
||||
@@ -1013,6 +1013,7 @@ int __migrate_disabled(struct task_struct *p)
|
||||
|
@ -32,3 +33,6 @@ index 1a1ffb873d22..a33c2c18628d 100644
|
|||
#endif
|
||||
|
||||
static void __do_set_cpus_allowed_tail(struct task_struct *p,
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From b4f795e23aa449ae7116c445646a5ee51f90c022 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Wed, 9 Mar 2016 10:51:06 +0100
|
||||
Subject: [PATCH 029/290] arm: at91: do not disable/enable clocks in a row
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=619e4305a3a3a2296ec9a1fc32f84fb09a12f555
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Currently the driver will disable the clock and enable it one line later
|
||||
if it is switching from periodic mode into one shot.
|
||||
|
@ -92,3 +93,6 @@ index 43f4d5c4d6fa..de6baf564dfe 100644
|
|||
.set_state_periodic = tc_set_periodic,
|
||||
.set_state_oneshot = tc_set_oneshot,
|
||||
},
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,3 +1,4 @@
|
|||
From 45b7375a7348d45d17515da0b294d479805fd855 Mon Sep 17 00:00:00 2001
|
||||
From: Benedikt Spranger <b.spranger@linutronix.de>
|
||||
Date: Mon, 8 Mar 2010 18:57:04 +0100
|
||||
Subject: [PATCH 030/290] clocksource: TCLIB: Allow higher clock rates for
|
||||
|
@ -5,7 +6,7 @@ Subject: [PATCH 030/290] clocksource: TCLIB: Allow higher clock rates for
|
|||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=8abf3e475b2921798e61e686140e077146360f1a
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
As default the TCLIB uses the 32KiHz base clock rate for clock events.
|
||||
Add a compile time selection to allow higher clock resulution.
|
||||
|
@ -164,3 +165,6 @@ index 3726eacdf65d..0900dec7ec04 100644
|
|||
config DUMMY_IRQ
|
||||
tristate "Dummy IRQ handler"
|
||||
default n
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From fe98a4f2036225a3ccb28c230f5245fa0eddec4c Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Thu, 14 Feb 2013 22:36:59 +0100
|
||||
Subject: [PATCH 031/290] timekeeping: Split jiffies seqlock
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=37dae8435d79cbcc247b536cb16f55db30295418
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Replace jiffies_lock seqlock with a simple seqcounter and a rawlock so
|
||||
it can be taken in atomic context on RT.
|
||||
|
@ -135,10 +136,10 @@ index 5b33e2f5c0ed..54fd344ef973 100644
|
|||
ts->timer_expires_base = basemono;
|
||||
|
||||
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
|
||||
index c2708e1f0c69..13477f8ee80e 100644
|
||||
index 81ee5b83c920..512db778f442 100644
|
||||
--- a/kernel/time/timekeeping.c
|
||||
+++ b/kernel/time/timekeeping.c
|
||||
@@ -2418,8 +2418,10 @@ EXPORT_SYMBOL(hardpps);
|
||||
@@ -2394,8 +2394,10 @@ EXPORT_SYMBOL(hardpps);
|
||||
*/
|
||||
void xtime_update(unsigned long ticks)
|
||||
{
|
||||
|
@ -165,3 +166,6 @@ index 141ab3ab0354..099737f6f10c 100644
|
|||
|
||||
#define CS_NAME_LEN 32
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From fc38cdec8c7fa26cc2b0520c1cd0eb9ff96c969a Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 21 Sep 2011 19:57:12 +0200
|
||||
Subject: [PATCH 032/290] signal: Revert ptrace preempt magic
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=34b289f78753746be46c707628324cd79730dac2
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Upstream commit '53da1d9456fe7f8 fix ptrace slowness' is nothing more
|
||||
than a bandaid around the ptrace design trainwreck. It's not a
|
||||
|
@ -13,10 +14,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|||
1 file changed, 8 deletions(-)
|
||||
|
||||
diff --git a/kernel/signal.c b/kernel/signal.c
|
||||
index 0e6bc3049427..d5a9646b3538 100644
|
||||
index 7278302e3485..6b9d4bbfa9df 100644
|
||||
--- a/kernel/signal.c
|
||||
+++ b/kernel/signal.c
|
||||
@@ -2094,15 +2094,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
|
||||
@@ -2098,15 +2098,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info)
|
||||
if (gstop_done && ptrace_reparented(current))
|
||||
do_notify_parent_cldstop(current, false, why);
|
||||
|
||||
|
@ -32,3 +33,6 @@ index 0e6bc3049427..d5a9646b3538 100644
|
|||
freezable_schedule();
|
||||
} else {
|
||||
/*
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 280627bfccdc36087f174418d56e57d027552a14 Mon Sep 17 00:00:00 2001
|
||||
From: Marc Kleine-Budde <mkl@pengutronix.de>
|
||||
Date: Wed, 5 Mar 2014 00:49:47 +0100
|
||||
Subject: [PATCH 033/290] net: sched: Use msleep() instead of yield()
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=e83295f1ca6355381c6d506047d641e9e607c96f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
On PREEMPT_RT enabled systems the interrupt handler run as threads at prio 50
|
||||
(by default). If a high priority userspace process tries to shut down a busy
|
||||
|
@ -46,10 +47,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
|
||||
index 30e32df5f84a..0b9c494f64b0 100644
|
||||
index 8a4d01e427a2..4ab20f1138fd 100644
|
||||
--- a/net/sched/sch_generic.c
|
||||
+++ b/net/sched/sch_generic.c
|
||||
@@ -1192,7 +1192,7 @@ void dev_deactivate_many(struct list_head *head)
|
||||
@@ -1204,7 +1204,7 @@ void dev_deactivate_many(struct list_head *head)
|
||||
/* Wait for outstanding qdisc_run calls. */
|
||||
list_for_each_entry(dev, head, close_list) {
|
||||
while (some_qdisc_is_busy(dev))
|
||||
|
@ -58,3 +59,6 @@ index 30e32df5f84a..0b9c494f64b0 100644
|
|||
/* The new qdisc is assigned at this point so we can safely
|
||||
* unwind stale skb lists and qdisc statistics
|
||||
*/
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From ec6350958b69d6c98248ee0871b3a7c00c5949c5 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 27 Mar 2018 16:24:15 +0200
|
||||
Subject: [PATCH 034/290] dm rq: remove BUG_ON(!irqs_disabled) check
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=b4b547ae7869e0ca0380a53cde929e51ecbdc173
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
In commit 052189a2ec95 ("dm: remove superfluous irq disablement in
|
||||
dm_request_fn") the spin_lock_irq() was replaced with spin_lock() + a
|
||||
|
@ -31,3 +32,6 @@ index 4d36373e1c0f..12ed08245130 100644
|
|||
}
|
||||
}
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From c5248048f310926cc88f9d625126ebb980024a51 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 8 Nov 2013 17:34:54 +0100
|
||||
Subject: [PATCH 035/290] usb: do no disable interrupts in giveback
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=086a63b5d6cc385539d96fb77b65eeb281dbd552
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
|
||||
context") the USB code disables interrupts before invoking the complete
|
||||
|
@ -40,3 +41,6 @@ index b82a7d787add..2f3015356124 100644
|
|||
|
||||
usb_anchor_resume_wakeups(anchor);
|
||||
atomic_dec(&urb->use_count);
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 4bfca780bcff671d348be592531816808005330c Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 17 Jun 2011 12:39:57 +0200
|
||||
Subject: [PATCH 036/290] rt: Provide PREEMPT_RT_BASE config switch
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=3b6f0b1d09976635e464aa63be521f1f6f63e35d
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Introduce PREEMPT_RT_BASE which enables parts of
|
||||
PREEMPT_RT_FULL. Forces interrupt threading and enables some of the RT
|
||||
|
@ -58,3 +59,6 @@ index cd1655122ec0..027db5976c2f 100644
|
|||
- bool
|
||||
\ No newline at end of file
|
||||
+ bool
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 6ea70c3ef4fff78246212f51f67a6e48b159bc50 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 14 Dec 2011 01:03:49 +0100
|
||||
Subject: [PATCH 037/290] cpumask: Disable CONFIG_CPUMASK_OFFSTACK for RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=2efd4a4df8085c42c4a8bb8d74f1a6a566adc67a
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
There are "valid" GFP_ATOMIC allocations such as
|
||||
|
||||
|
@ -46,7 +47,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|||
2 files changed, 2 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
|
||||
index e76d16ac2776..04a45d6d0167 100644
|
||||
index af35f5caadbe..e40ba59efe7f 100644
|
||||
--- a/arch/x86/Kconfig
|
||||
+++ b/arch/x86/Kconfig
|
||||
@@ -934,7 +934,7 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
|
||||
|
@ -70,3 +71,6 @@ index a3928d4438b5..a50b2158f7cd 100644
|
|||
help
|
||||
Use dynamic allocation for cpumask_var_t, instead of putting
|
||||
them on the stack. This is a bit more expensive, but avoids
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From cded0d9563b5948a2aa3bddb86f632ea0ec38f0e Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 8 Jul 2015 17:14:48 +0200
|
||||
Subject: [PATCH 038/290] jump-label: disable if stop_machine() is used
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=77b2c3f7bbf3d862529e075933f0e7a6f8613c53
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Some architectures are using stop_machine() while switching the opcode which
|
||||
leads to latency spikes.
|
||||
|
@ -36,3 +37,6 @@ index 185e552f1461..84f36e47e3ab 100644
|
|||
select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32 && MMU
|
||||
select HAVE_ARCH_MMAP_RND_BITS if MMU
|
||||
select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From dce06dcc7c4046de51f2d0b0aa53995461a65b82 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 24 Jul 2011 12:11:43 +0200
|
||||
Subject: [PATCH 039/290] kconfig: Disable config options which are not RT
|
||||
compatible
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=164a36eb11cebfda8c6eb1f79beb2a31e4dd9ce2
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Disable stuff which is known to have issues on RT
|
||||
|
||||
|
@ -37,3 +38,6 @@ index b457e94ae618..0dddbb2a3282 100644
|
|||
select COMPACTION
|
||||
select RADIX_TREE_MULTIORDER
|
||||
help
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 895584437f1a9e0847ff7ca40873fb3b8bd4be0c Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Tue, 17 Oct 2017 16:36:18 +0200
|
||||
Subject: [PATCH 040/290] lockdep: disable self-test
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=bff275d06e885f7b51dbac8b2e93867616852378
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The self-test wasn't always 100% accurate for RT. We disabled a few
|
||||
tests which failed because they had a different semantic for RT. Some
|
||||
|
@ -29,3 +30,6 @@ index 46a910acce3f..38cf7f81daa7 100644
|
|||
help
|
||||
Say Y here if you want the kernel to run a short self-test during
|
||||
bootup. The self-test checks whether common types of locking bugs
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From dcf8f258f572870f67b12f9d9082eebd0561d085 Mon Sep 17 00:00:00 2001
|
||||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:44:03 -0500
|
||||
Subject: [PATCH 041/290] mm: Allow only slub on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=f04e50899757b5f50979fa506c88bd78d17c49b6
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Disable SLAB and SLOB on -RT. Only SLUB is adopted to -RT needs.
|
||||
|
||||
|
@ -31,3 +32,6 @@ index 47035b5a46f6..ae9a0113a699 100644
|
|||
help
|
||||
SLOB replaces the stock allocator with a drastically simpler
|
||||
allocator. SLOB is generally more space efficient but
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 4aaf38cf9c2cd085bbee6aec83c66b52b33c9a32 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 17 Jul 2011 21:51:45 +0200
|
||||
Subject: [PATCH 042/290] locking: Disable spin on owner for RT
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=fb7c18e5a29066807df152c5b7d6cd2cf66e0301
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Drop spin on owner for mutex / rwsem. We are most likely not using it
|
||||
but…
|
||||
|
@ -32,3 +33,6 @@ index 84d882f3e299..af27c4000812 100644
|
|||
|
||||
config LOCK_SPIN_ON_OWNER
|
||||
def_bool y
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 5f1bd47909aca86dfc97df6f5ceecd67c755b2e8 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 28 Oct 2012 13:26:09 +0000
|
||||
Subject: [PATCH 043/290] rcu: Disable RCU_FAST_NO_HZ on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=c69674f542d0ccc839ba5282f2b24945882abb93
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
This uses a timer_list timer from the irq disabled guts of the idle
|
||||
code. Disable it for now to prevent wreckage.
|
||||
|
@ -24,3 +25,6 @@ index 9210379c0353..644264be90f0 100644
|
|||
default n
|
||||
help
|
||||
This option permits CPUs to enter dynticks-idle state even if
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 980f69b6bec3356146f6c2d4e28405b3c4de4a87 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 21 Mar 2014 20:19:05 +0100
|
||||
Subject: [PATCH 044/290] rcu: make RCU_BOOST default on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=ce85f19c79e9234d764888e74dc2e4e49b3a3da6
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Since it is no longer invoked from the softirq people run into OOM more
|
||||
often if the priority of the RCU thread is too low. Making boosting
|
||||
|
@ -28,3 +29,6 @@ index 644264be90f0..a243a78ff38c 100644
|
|||
help
|
||||
This option boosts the priority of preempted RCU readers that
|
||||
block the current preemptible RCU grace period for too long.
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 6c16852b3700b4b98d7ea4b6dffbfbb5e1118c01 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Mon, 18 Jul 2011 17:03:52 +0200
|
||||
Subject: [PATCH 045/290] sched: Disable CONFIG_RT_GROUP_SCHED on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=08989e0969de7b6c4727eb2a32f7c1aaa194708f
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Carsten reported problems when running:
|
||||
|
||||
|
@ -29,3 +30,6 @@ index ae9a0113a699..61e8b531649b 100644
|
|||
default n
|
||||
help
|
||||
This feature lets you explicitly allocate real CPU bandwidth
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 9822fde0d385af32e0b8550600e3961cc9bb96aa Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Sat, 27 May 2017 19:02:06 +0200
|
||||
Subject: [PATCH 046/290] net/core: disable NET_RX_BUSY_POLL
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=86b04e83f0deb1dce266ca11efb35281d2d76566
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
sk_busy_loop() does preempt_disable() followed by a few operations which can
|
||||
take sleeping locks and may get long.
|
||||
|
@ -32,3 +33,6 @@ index 228dfa382eec..bc8d01996f22 100644
|
|||
|
||||
config BQL
|
||||
bool
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From c628460359a533e7547887b5212d2291117eeacb Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Fri, 1 Dec 2017 10:42:03 +0100
|
||||
Subject: [PATCH 047/290] arm*: disable NEON in kernel mode
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=a0a5f99c6726ff40c5f1173b951484e2b41d527a
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
NEON in kernel mode is used by the crypto algorithms and raid6 code.
|
||||
While the raid6 code looks okay, the crypto algorithms do not: NEON
|
||||
|
@ -160,3 +161,6 @@ index 34b4e3d46aab..ae055cdad8cf 100644
|
|||
crc32_pmull_algs[0].update = crc32_pmull_update;
|
||||
crc32_pmull_algs[1].update = crc32c_pmull_update;
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 2b0792d20032fb077f028c433ce0575e0b2af952 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Tue, 14 Jul 2015 14:26:34 +0200
|
||||
Subject: [PATCH 048/290] powerpc: Use generic rwsem on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=58d37daded0023f403aec29501462e8499eeb016
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Use generic code which uses rtmutex
|
||||
|
||||
|
@ -27,3 +28,6 @@ index a80669209155..9952764db9c5 100644
|
|||
|
||||
config GENERIC_LOCKBREAK
|
||||
bool
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 59e8b4257278a94fecf207ad131920b7e1364aa7 Mon Sep 17 00:00:00 2001
|
||||
From: Bogdan Purcareata <bogdan.purcareata@freescale.com>
|
||||
Date: Fri, 24 Apr 2015 15:53:13 +0000
|
||||
Subject: [PATCH 049/290] powerpc/kvm: Disable in-kernel MPIC emulation for
|
||||
PREEMPT_RT_FULL
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=98667cc1926223ba114f4e52611633d0d8f0af87
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
While converting the openpic emulation code to use a raw_spinlock_t enables
|
||||
guests to run on RT, there's still a performance issue. For interrupts sent in
|
||||
|
@ -39,3 +40,6 @@ index 68a0e9d5b440..6f4d5d7615af 100644
|
|||
select HAVE_KVM_IRQCHIP
|
||||
select HAVE_KVM_IRQFD
|
||||
select HAVE_KVM_IRQ_ROUTING
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From da3f221553e2c41925af06392f6ed660d68543a7 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Mon, 18 Jul 2011 17:08:34 +0200
|
||||
Subject: [PATCH 050/290] powerpc: Disable highmem on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=648dcdb872f08b4c6a613140a10ee3eb6df95ed6
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The current highmem handling on -RT is not compatible and needs fixups.
|
||||
|
||||
|
@ -23,3 +24,6 @@ index 9952764db9c5..1563820a37e8 100644
|
|||
|
||||
source kernel/Kconfig.hz
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 33a7e9d57de8e82532d8cdec33795907685b22e7 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Mon, 18 Jul 2011 17:10:12 +0200
|
||||
Subject: [PATCH 051/290] mips: Disable highmem on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=10a1793ef40f4036a0b0c4c51e9fcdc1899e64ba
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
The current highmem handling on -RT is not compatible and needs fixups.
|
||||
|
||||
|
@ -11,10 +12,10 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
|
||||
index 201caf226b47..bd268302efa4 100644
|
||||
index a830a9701e50..3d5fae3891be 100644
|
||||
--- a/arch/mips/Kconfig
|
||||
+++ b/arch/mips/Kconfig
|
||||
@@ -2517,7 +2517,7 @@ config MIPS_CRC_SUPPORT
|
||||
@@ -2518,7 +2518,7 @@ config MIPS_CRC_SUPPORT
|
||||
#
|
||||
config HIGHMEM
|
||||
bool "High Memory Support"
|
||||
|
@ -23,3 +24,6 @@ index 201caf226b47..bd268302efa4 100644
|
|||
|
||||
config CPU_SUPPORTS_HIGHMEM
|
||||
bool
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 2aeeb18ed2650e5c8d35e52ed37e51f4f112e87e Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 26 Jul 2009 02:21:32 +0200
|
||||
Subject: [PATCH 052/290] x86: Use generic rwsem_spinlocks on -rt
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=4b707497d459b106def4745d5274422c62423fa7
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
|
||||
-rt.
|
||||
|
@ -12,7 +13,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
|||
1 file changed, 4 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
|
||||
index 04a45d6d0167..1b05ae86bdde 100644
|
||||
index e40ba59efe7f..f22e787329cf 100644
|
||||
--- a/arch/x86/Kconfig
|
||||
+++ b/arch/x86/Kconfig
|
||||
@@ -264,8 +264,11 @@ config ARCH_MAY_HAVE_PC_FDC
|
||||
|
@ -28,3 +29,6 @@ index 04a45d6d0167..1b05ae86bdde 100644
|
|||
|
||||
config GENERIC_CALIBRATE_DELAY
|
||||
def_bool y
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From d438ee6c55b0969d2490f97a6fc897f462f017b0 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 23 Jan 2014 14:45:59 +0100
|
||||
Subject: [PATCH 053/290] leds: trigger: disable CPU trigger on -RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=07924b23a92cab26f6271e8fb312ab8062dd29a6
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
as it triggers:
|
||||
|CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141
|
||||
|
@ -35,3 +36,6 @@ index 4018af769969..b4ce8c115949 100644
|
|||
help
|
||||
This allows LEDs to be controlled by active CPUs. This shows
|
||||
the active CPUs across an array of LEDs so you can see which
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 24a05d9b26a5e6f52e0e35f401fd16a50bc3cc2d Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 9 Apr 2015 15:23:01 +0200
|
||||
Subject: [PATCH 054/290] cpufreq: drop K8's driver from beeing selected
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=c05ad13cbd22842369324d73f538911d319b97b3
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Ralf posted a picture of a backtrace from
|
||||
|
||||
|
@ -33,3 +34,6 @@ index 35f71825b7f3..bb4a6160d0f7 100644
|
|||
help
|
||||
This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors.
|
||||
Support for K10 and newer processors is now in acpi-cpufreq.
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,10 +1,11 @@
|
|||
From 00fd6babe97f1ea784554baabb1bc74d7f11be16 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 29 Aug 2013 11:48:57 +0200
|
||||
Subject: [PATCH 055/290] md: disable bcache
|
||||
MIME-Version: 1.0
|
||||
Content-Type: text/plain; charset=UTF-8
|
||||
Content-Transfer-Encoding: 8bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=57bf213cf62320f7d35e01f133973d9f37d06f82
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
It uses anon semaphores
|
||||
|drivers/md/bcache/request.c: In function ‘cached_dev_write_complete’:
|
||||
|
@ -35,3 +36,6 @@ index f6e0a8b3a61e..18c03d79a442 100644
|
|||
select CRC64
|
||||
help
|
||||
Allows a block device to be used as cache for other devices; uses
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From e2d68290b3efe18e50ef23302fda76bb471d7493 Mon Sep 17 00:00:00 2001
|
||||
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
||||
Date: Thu, 26 Jul 2018 15:03:16 +0200
|
||||
Subject: [PATCH 056/290] efi: Disable runtime services on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=b9d785862624bbbe2fd77ed8c7e1026b21c498f0
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Based on meassurements the EFI functions get_variable /
|
||||
get_next_variable take up to 2us which looks okay.
|
||||
|
@ -40,3 +41,6 @@ index 5db20908aa9c..1708505fdf5d 100644
|
|||
static int __init setup_noefi(char *arg)
|
||||
{
|
||||
disable_runtime = true;
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,14 +1,13 @@
|
|||
From 3d59550d2bce945d0885bb16ee747edc40521c95 Mon Sep 17 00:00:00 2001
|
||||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 22 Jul 2011 17:58:40 +0200
|
||||
Subject: [PATCH 057/290] printk: Add a printk kill switch
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=d031b0863f46321ad8e8e7f1a8131c4703f9f006
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Add a prinkt-kill-switch. This is used from (NMI) watchdog to ensure that
|
||||
it does not dead-lock with the early printk code.
|
||||
|
||||
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
|
||||
[Aurelien Jarno: Backport to 4.19.87 due to context changes caused by
|
||||
00988218f8cb2 ("printk: lock/unlock console only for new logbuf entries")]
|
||||
---
|
||||
include/linux/printk.h | 2 ++
|
||||
kernel/printk/printk.c | 79 +++++++++++++++++++++++++++++++-----------
|
||||
|
@ -32,7 +31,7 @@ index cf3eccfe1543..30ebf5f82a7c 100644
|
|||
|
||||
#ifdef CONFIG_PRINTK_NMI
|
||||
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
|
||||
index d0d03223b45b..289605ff56e8 100644
|
||||
index 845efadaf7ec..0214d876c22d 100644
|
||||
--- a/kernel/printk/printk.c
|
||||
+++ b/kernel/printk/printk.c
|
||||
@@ -405,6 +405,58 @@ DEFINE_RAW_SPINLOCK(logbuf_lock);
|
||||
|
@ -170,3 +169,6 @@ index 71381168dede..685443375dc0 100644
|
|||
if (hardlockup_panic)
|
||||
nmi_panic(regs, "Hard LOCKUP");
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From ec95016b0067d4801b743959345d1d2b4897b4c7 Mon Sep 17 00:00:00 2001
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Fri, 2 Sep 2011 14:41:29 +0200
|
||||
Subject: [PATCH 058/290] printk: Add "force_early_printk" boot param to help
|
||||
with debugging
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=e71d5b7d64fa1dd11f7ef2a2bd482f704d6de200
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Gives me an option to screw printk and actually see what the machine
|
||||
says.
|
||||
|
@ -16,7 +17,7 @@ Link: http://lkml.kernel.org/n/tip-ykb97nsfmobq44xketrxs977@git.kernel.org
|
|||
1 file changed, 7 insertions(+)
|
||||
|
||||
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
|
||||
index 289605ff56e8..210cdac1458d 100644
|
||||
index 0214d876c22d..9a7f259dbb20 100644
|
||||
--- a/kernel/printk/printk.c
|
||||
+++ b/kernel/printk/printk.c
|
||||
@@ -435,6 +435,13 @@ asmlinkage void early_printk(const char *fmt, ...)
|
||||
|
@ -33,3 +34,6 @@ index 289605ff56e8..210cdac1458d 100644
|
|||
void printk_kill(void)
|
||||
{
|
||||
printk_killswitch = true;
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 8cdff06e21bab2bdf3a7f633a9e22b890bc43f39 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 24 Jul 2009 12:38:56 +0200
|
||||
Subject: [PATCH 059/290] preempt: Provide preempt_*_(no)rt variants
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=05ad3e257a527d9072919b02e0cff6078055eed0
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
RT needs a few preempt_disable/enable points which are not necessary
|
||||
otherwise. Implement variants to avoid #ifdeffery.
|
||||
|
@ -47,3 +48,6 @@ index 3196d0e76719..f7a17fcc3fec 100644
|
|||
#ifdef CONFIG_PREEMPT_NOTIFIERS
|
||||
|
||||
struct preempt_notifier;
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From 4c36c4326b5f829aaabd0e2bd105c12797f16449 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Wed, 8 Mar 2017 14:23:35 +0100
|
||||
Subject: [PATCH 060/290] futex: workaround migrate_disable/enable in different
|
||||
context
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=5182d12b0ac95cf21c3206e06142566001edacc6
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
migrate_disable()/migrate_enable() takes a different path in atomic() vs
|
||||
!atomic() context. These little hacks ensure that we don't underflow / overflow
|
||||
|
@ -16,10 +17,10 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 19 insertions(+)
|
||||
|
||||
diff --git a/kernel/futex.c b/kernel/futex.c
|
||||
index afdc5eadce6e..304f07d08c95 100644
|
||||
index e75ad30aa7bc..5c8053098fc8 100644
|
||||
--- a/kernel/futex.c
|
||||
+++ b/kernel/futex.c
|
||||
@@ -2876,6 +2876,14 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
|
||||
@@ -2879,6 +2879,14 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
|
||||
* before __rt_mutex_start_proxy_lock() is done.
|
||||
*/
|
||||
raw_spin_lock_irq(&q.pi_state->pi_mutex.wait_lock);
|
||||
|
@ -34,7 +35,7 @@ index afdc5eadce6e..304f07d08c95 100644
|
|||
spin_unlock(q.lock_ptr);
|
||||
/*
|
||||
* __rt_mutex_start_proxy_lock() unconditionally enqueues the @rt_waiter
|
||||
@@ -2884,6 +2892,7 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
|
||||
@@ -2887,6 +2895,7 @@ static int futex_lock_pi(u32 __user *uaddr, unsigned int flags,
|
||||
*/
|
||||
ret = __rt_mutex_start_proxy_lock(&q.pi_state->pi_mutex, &rt_waiter, current);
|
||||
raw_spin_unlock_irq(&q.pi_state->pi_mutex.wait_lock);
|
||||
|
@ -42,7 +43,7 @@ index afdc5eadce6e..304f07d08c95 100644
|
|||
|
||||
if (ret) {
|
||||
if (ret == 1)
|
||||
@@ -3032,11 +3041,21 @@ static int futex_unlock_pi(u32 __user *uaddr, unsigned int flags)
|
||||
@@ -3035,11 +3044,21 @@ static int futex_unlock_pi(u32 __user *uaddr, unsigned int flags)
|
||||
* rt_waiter. Also see the WARN in wake_futex_pi().
|
||||
*/
|
||||
raw_spin_lock_irq(&pi_state->pi_mutex.wait_lock);
|
||||
|
@ -64,3 +65,6 @@ index afdc5eadce6e..304f07d08c95 100644
|
|||
put_pi_state(pi_state);
|
||||
|
||||
/*
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 2bd99b106c35f77357bcaea4546eb89085cc5ac8 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Mon, 20 Jun 2011 09:03:47 +0200
|
||||
Subject: [PATCH 061/290] rt: Add local irq locks
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=ed800ca05696e34346bf329c70ad735f9661075b
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Introduce locallock. For !RT this maps to preempt_disable()/
|
||||
local_irq_disable() so there is not much that changes. For RT this will
|
||||
|
@ -335,3 +336,6 @@ index 70b7123f38c7..24421bf8c4b3 100644
|
|||
/* minimum unit size, also is the maximum supported allocation size */
|
||||
#define PCPU_MIN_UNIT_SIZE PFN_ALIGN(32 << 10)
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 6b3038f8d30a5cef133ed3791a44e17377c0b052 Mon Sep 17 00:00:00 2001
|
||||
From: Julia Cartwright <julia@ni.com>
|
||||
Date: Mon, 7 May 2018 08:58:56 -0500
|
||||
Subject: [PATCH 062/290] locallock: provide {get,put}_locked_ptr() variants
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=d7c12c0b218da8cddfca3155c6481e425552bd89
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Provide a set of locallocked accessors for pointers to per-CPU data;
|
||||
this is useful for dynamically-allocated per-CPU regions, for example.
|
||||
|
@ -43,3 +44,6 @@ index d658c2552601..921eab83cd34 100644
|
|||
|
||||
#define local_lock_cpu(lvar) get_cpu()
|
||||
#define local_unlock_cpu(lvar) put_cpu()
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From ed4646fb9f4dde9fa5e97aadbd15073babb2fdb5 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 3 Jul 2009 08:44:34 -0500
|
||||
Subject: [PATCH 063/290] mm/scatterlist: Do not disable irqs on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=be6d4affd5215ceaca4642942e1914cb32b9f6e2
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
For -RT it is enough to keep pagefault disabled (which is currently handled by
|
||||
kmap_atomic()).
|
||||
|
@ -24,3 +25,6 @@ index 8c3036c37ba0..336162c2813f 100644
|
|||
kunmap_atomic(miter->addr);
|
||||
} else
|
||||
kunmap(miter->page);
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 61d171cababe91bd799f750f2c88eca687b65d51 Mon Sep 17 00:00:00 2001
|
||||
From: Oleg Nesterov <oleg@redhat.com>
|
||||
Date: Tue, 14 Jul 2015 14:26:34 +0200
|
||||
Subject: [PATCH 064/290] signal/x86: Delay calling signals in atomic
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=43a0a930bf46705aab6bab3928e1644575a02148
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
On x86_64 we must disable preemption before we enable interrupts
|
||||
for stack faults, int3 and debugging, because the current task is using
|
||||
|
@ -94,10 +95,10 @@ index 038d0faaa1d5..c87c11bfd9d9 100644
|
|||
size_t sas_ss_size;
|
||||
unsigned int sas_ss_flags;
|
||||
diff --git a/kernel/signal.c b/kernel/signal.c
|
||||
index d5a9646b3538..56edb0580a3a 100644
|
||||
index 6b9d4bbfa9df..3565221b4fac 100644
|
||||
--- a/kernel/signal.c
|
||||
+++ b/kernel/signal.c
|
||||
@@ -1268,8 +1268,8 @@ int do_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
|
||||
@@ -1272,8 +1272,8 @@ int do_send_sig_info(int sig, struct siginfo *info, struct task_struct *p,
|
||||
* We don't want to have recursive SIGSEGV's etc, for example,
|
||||
* that is why we also clear SIGNAL_UNKILLABLE.
|
||||
*/
|
||||
|
@ -108,7 +109,7 @@ index d5a9646b3538..56edb0580a3a 100644
|
|||
{
|
||||
unsigned long int flags;
|
||||
int ret, blocked, ignored;
|
||||
@@ -1298,6 +1298,39 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
|
||||
@@ -1302,6 +1302,39 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t)
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -148,3 +149,6 @@ index d5a9646b3538..56edb0580a3a 100644
|
|||
/*
|
||||
* Nuke all other threads in the group.
|
||||
*/
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 159a99e63d62232f0de5a25fe8d92e4e31140c29 Mon Sep 17 00:00:00 2001
|
||||
From: Yang Shi <yang.shi@linaro.org>
|
||||
Date: Thu, 10 Dec 2015 10:58:51 -0800
|
||||
Subject: [PATCH 065/290] x86/signal: delay calling signals on 32bit
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=dd9ded5353246ce29f11b52eb93e640de36c8ef7
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
When running some ptrace single step tests on x86-32 machine, the below problem
|
||||
is triggered:
|
||||
|
@ -43,3 +44,6 @@ index fb0438d06ca7..c00e27af2205 100644
|
|||
#define ARCH_RT_DELAYS_SIGNAL_SEND
|
||||
#endif
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 5c50a0cef22d58bcda53aae4df00e10ce6e04903 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 18 Mar 2011 09:18:52 +0100
|
||||
Subject: [PATCH 066/290] buffer_head: Replace bh_uptodate_lock for -rt
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=ce9849ace4af19ce619849a3e33f1569442832c3
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Wrap the bit_spin_lock calls into a separate inline and add the RT
|
||||
replacements with a real spinlock.
|
||||
|
@ -191,3 +192,6 @@ index 96225a77c112..8a1bcfb145d7 100644
|
|||
/*
|
||||
* macro tricks to expand the set_buffer_foo(), clear_buffer_foo()
|
||||
* and buffer_foo() functions.
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From f3f66f83edae0ab6ff7569d6395c5ee3833e8fba Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Fri, 18 Mar 2011 10:11:25 +0100
|
||||
Subject: [PATCH 067/290] fs: jbd/jbd2: Make state lock and journal head lock
|
||||
rt safe
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=b440221d5e434ba95db2a0b09d00162e95b55d93
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
bit_spin_locks break under RT.
|
||||
|
||||
|
@ -44,7 +45,7 @@ index 8a1bcfb145d7..5869330d1f38 100644
|
|||
}
|
||||
|
||||
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
|
||||
index 1cf1b9b8e975..2e3266736094 100644
|
||||
index 268f3000d1b3..8f5d6ecb802e 100644
|
||||
--- a/include/linux/jbd2.h
|
||||
+++ b/include/linux/jbd2.h
|
||||
@@ -347,32 +347,56 @@ static inline struct journal_head *bh2jh(struct buffer_head *bh)
|
||||
|
@ -104,3 +105,6 @@ index 1cf1b9b8e975..2e3266736094 100644
|
|||
}
|
||||
|
||||
#define J_ASSERT(assert) BUG_ON(!(assert))
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 3023eb220840f37bbc9d31e9959de567cb1aaaae Mon Sep 17 00:00:00 2001
|
||||
From: Paul Gortmaker <paul.gortmaker@windriver.com>
|
||||
Date: Fri, 21 Jun 2013 15:07:25 -0400
|
||||
Subject: [PATCH 068/290] list_bl: Make list head locking RT safe
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=7de4956b65f4b43f98eca7ecd5400c01df56ba53
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
As per changes in include/linux/jbd_common.h for avoiding the
|
||||
bit_spin_locks on RT ("fs: jbd/jbd2: Make state lock and journal
|
||||
|
@ -115,3 +116,6 @@ index 3fc2cc57ba1b..69b659259bac 100644
|
|||
}
|
||||
|
||||
static inline bool hlist_bl_is_locked(struct hlist_bl_head *b)
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 819674251514107628d4f10edb7514ab08bb57a9 Mon Sep 17 00:00:00 2001
|
||||
From: Josh Cartwright <joshc@ni.com>
|
||||
Date: Thu, 31 Mar 2016 00:04:25 -0500
|
||||
Subject: [PATCH 069/290] list_bl: fixup bogus lockdep warning
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=8f7a92e93b3e1260267a4fbe03c549dbe23303fe
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
At first glance, the use of 'static inline' seems appropriate for
|
||||
INIT_HLIST_BL_HEAD().
|
||||
|
@ -98,3 +99,6 @@ index 69b659259bac..0b5de7d9ffcf 100644
|
|||
|
||||
static inline void INIT_HLIST_BL_NODE(struct hlist_bl_node *h)
|
||||
{
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From 672f4d8462083915084e695c9ed600d32fbfcd52 Mon Sep 17 00:00:00 2001
|
||||
From: Ingo Molnar <mingo@elte.hu>
|
||||
Date: Fri, 3 Jul 2009 08:29:57 -0500
|
||||
Subject: [PATCH 070/290] genirq: Disable irqpoll on -rt
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=470aeaaf1d6efae4d4a409a9d8143c408474f8b7
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Creates long latencies for no value
|
||||
|
||||
|
@ -37,3 +38,6 @@ index d867d6ddafdd..cd12ee86c01e 100644
|
|||
irqfixup = 2;
|
||||
printk(KERN_WARNING "Misrouted IRQ fixup and polling support "
|
||||
"enabled\n");
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,7 +1,8 @@
|
|||
From a2049c3364eae5d13eaaa22d9212c631faf58236 Mon Sep 17 00:00:00 2001
|
||||
From: Thomas Gleixner <tglx@linutronix.de>
|
||||
Date: Sun, 3 Apr 2011 11:57:29 +0200
|
||||
Subject: [PATCH 071/290] genirq: Force interrupt thread on RT
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=e83f2ae9e4c5b28fb9364ca7ee72d3f721f7f4ef
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Force threaded_irqs and optimize the code (force_irqthreads) in regard
|
||||
to this.
|
||||
|
@ -48,3 +49,6 @@ index 23bcfa71077f..3c26d0708709 100644
|
|||
#endif
|
||||
|
||||
static void __synchronize_hardirq(struct irq_desc *desc, bool sync_chip)
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From e8c4b5df495a54c8c5fdf5c34fcbb07a2780e3bd Mon Sep 17 00:00:00 2001
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Mon, 28 May 2018 15:24:20 +0200
|
||||
Subject: [PATCH 072/290] Split IRQ-off and zone->lock while freeing pages from
|
||||
PCP list #1
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=6fdb74e76cbdf28ba0fc148ff245ebe35ffcb059
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Split the IRQ-off section while accessing the PCP list from zone->lock
|
||||
while freeing pages.
|
||||
|
@ -17,7 +18,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 52 insertions(+), 30 deletions(-)
|
||||
|
||||
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
|
||||
index 2d04bd2e1ced..332b48f38d1e 100644
|
||||
index 74fb5c338e8f..3b51ad4a6089 100644
|
||||
--- a/mm/page_alloc.c
|
||||
+++ b/mm/page_alloc.c
|
||||
@@ -1095,7 +1095,7 @@ static inline void prefetch_buddy(struct page *page)
|
||||
|
@ -111,7 +112,7 @@ index 2d04bd2e1ced..332b48f38d1e 100644
|
|||
}
|
||||
|
||||
static void free_one_page(struct zone *zone,
|
||||
@@ -2536,13 +2543,18 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
|
||||
@@ -2544,13 +2551,18 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
|
||||
{
|
||||
unsigned long flags;
|
||||
int to_drain, batch;
|
||||
|
@ -131,7 +132,7 @@ index 2d04bd2e1ced..332b48f38d1e 100644
|
|||
}
|
||||
#endif
|
||||
|
||||
@@ -2558,14 +2570,21 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
|
||||
@@ -2566,14 +2578,21 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
|
||||
unsigned long flags;
|
||||
struct per_cpu_pageset *pset;
|
||||
struct per_cpu_pages *pcp;
|
||||
|
@ -155,7 +156,7 @@ index 2d04bd2e1ced..332b48f38d1e 100644
|
|||
}
|
||||
|
||||
/*
|
||||
@@ -2787,7 +2806,10 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
|
||||
@@ -2795,7 +2814,10 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
|
||||
pcp->count++;
|
||||
if (pcp->count >= pcp->high) {
|
||||
unsigned long batch = READ_ONCE(pcp->batch);
|
||||
|
@ -167,3 +168,6 @@ index 2d04bd2e1ced..332b48f38d1e 100644
|
|||
}
|
||||
}
|
||||
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
|
@ -1,8 +1,9 @@
|
|||
From acc79cbb82bc621f748cafcab53e6038456ee194 Mon Sep 17 00:00:00 2001
|
||||
From: Peter Zijlstra <peterz@infradead.org>
|
||||
Date: Mon, 28 May 2018 15:24:21 +0200
|
||||
Subject: [PATCH 073/290] Split IRQ-off and zone->lock while freeing pages from
|
||||
PCP list #2
|
||||
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=4804f6aa4033e6fc037ec95843c4f4a7768b9d27
|
||||
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
|
||||
|
||||
Split the IRQ-off section while accessing the PCP list from zone->lock
|
||||
while freeing pages.
|
||||
|
@ -17,7 +18,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
|
|||
1 file changed, 50 insertions(+), 10 deletions(-)
|
||||
|
||||
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
|
||||
index 332b48f38d1e..55cee9a17a36 100644
|
||||
index 3b51ad4a6089..49f7bb170b4d 100644
|
||||
--- a/mm/page_alloc.c
|
||||
+++ b/mm/page_alloc.c
|
||||
@@ -1105,8 +1105,8 @@ static inline void prefetch_buddy(struct page *page)
|
||||
|
@ -59,7 +60,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
__free_one_page(page, page_to_pfn(page), zone, 0, mt);
|
||||
trace_mm_page_pcpu_drain(page, 0, mt);
|
||||
}
|
||||
@@ -2554,7 +2569,7 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
|
||||
@@ -2562,7 +2577,7 @@ void drain_zone_pages(struct zone *zone, struct per_cpu_pages *pcp)
|
||||
local_irq_restore(flags);
|
||||
|
||||
if (to_drain > 0)
|
||||
|
@ -68,7 +69,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
}
|
||||
#endif
|
||||
|
||||
@@ -2584,7 +2599,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
|
||||
@@ -2592,7 +2607,7 @@ static void drain_pages_zone(unsigned int cpu, struct zone *zone)
|
||||
local_irq_restore(flags);
|
||||
|
||||
if (count)
|
||||
|
@ -77,7 +78,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
}
|
||||
|
||||
/*
|
||||
@@ -2777,7 +2792,8 @@ static bool free_unref_page_prepare(struct page *page, unsigned long pfn)
|
||||
@@ -2785,7 +2800,8 @@ static bool free_unref_page_prepare(struct page *page, unsigned long pfn)
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -87,7 +88,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
{
|
||||
struct zone *zone = page_zone(page);
|
||||
struct per_cpu_pages *pcp;
|
||||
@@ -2806,10 +2822,8 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
|
||||
@@ -2814,10 +2830,8 @@ static void free_unref_page_commit(struct page *page, unsigned long pfn)
|
||||
pcp->count++;
|
||||
if (pcp->count >= pcp->high) {
|
||||
unsigned long batch = READ_ONCE(pcp->batch);
|
||||
|
@ -99,7 +100,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
}
|
||||
}
|
||||
|
||||
@@ -2820,13 +2834,17 @@ void free_unref_page(struct page *page)
|
||||
@@ -2828,13 +2842,17 @@ void free_unref_page(struct page *page)
|
||||
{
|
||||
unsigned long flags;
|
||||
unsigned long pfn = page_to_pfn(page);
|
||||
|
@ -118,7 +119,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
}
|
||||
|
||||
/*
|
||||
@@ -2837,6 +2855,11 @@ void free_unref_page_list(struct list_head *list)
|
||||
@@ -2845,6 +2863,11 @@ void free_unref_page_list(struct list_head *list)
|
||||
struct page *page, *next;
|
||||
unsigned long flags, pfn;
|
||||
int batch_count = 0;
|
||||
|
@ -130,7 +131,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
|
||||
/* Prepare pages for freeing */
|
||||
list_for_each_entry_safe(page, next, list, lru) {
|
||||
@@ -2849,10 +2872,12 @@ void free_unref_page_list(struct list_head *list)
|
||||
@@ -2857,10 +2880,12 @@ void free_unref_page_list(struct list_head *list)
|
||||
local_irq_save(flags);
|
||||
list_for_each_entry_safe(page, next, list, lru) {
|
||||
unsigned long pfn = page_private(page);
|
||||
|
@ -144,7 +145,7 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
|
||||
/*
|
||||
* Guard against excessive IRQ disabled times when we get
|
||||
@@ -2865,6 +2890,21 @@ void free_unref_page_list(struct list_head *list)
|
||||
@@ -2873,6 +2898,21 @@ void free_unref_page_list(struct list_head *list)
|
||||
}
|
||||
}
|
||||
local_irq_restore(flags);
|
||||
|
@ -166,3 +167,6 @@ index 332b48f38d1e..55cee9a17a36 100644
|
|||
}
|
||||
|
||||
/*
|
||||
--
|
||||
2.24.1
|
||||
|
||||
|
|
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue