Drop iomap-Revert-fs-iomap.c-get-put-the-page-in-iomap_pa.patch
Drop usb-hso-fix-oob-memory-access-in-hso_probe-hso_get_config_data.patch
Add bug closer for #917569
Cleanup debian/changelog file
Backport Amazon ENA ethernet driver version 2.0.2 from Linux 4.20
This mostly ammounts to cherry-picking the commits in the range described by
git log v4.19.5..v4.20-rc7 drivers/net/ethernet/amazon
Change e641e99f261f5203a911a9e0db54a214460d2cc4 introduced changes outside the
ena directory, but only removed a redundant #include and was trivial to scope
down.
Upstream dealt with merge conflicts in
d864991b220b7c62e81d21209e1fd978fd67352c; the resolution here was identical to
upstream.
tl;dr: Xen PVH is the perfect upgrade path from PV and in combination
with grub2 support, it's the Xen "killer feature" we really should have
in Buster.
Background info about Xen PVH:
https://wiki.xen.org/wiki/Virtualization_Spectrum#Almost_fully_PV:_PVH_mode
PVH mode in Xen, a.k.a. "HVM without having to run qemu" is a Xen guest
type best supported since Xen 4.11 and Linux kernel 4.17. Just like when
using PV mode, the guest does not have an emulated BIOS and the guest
kernel is directly started by the dom0. Buster will ship with Xen 4.11.
Why is PVH interesting?
1. When the whole Meltdown/Spectre story started, it quickly became
apparent that 64-bit PV is the most problematic virtualization mode to
protect and to protect from, since address space from the hypervisor and
other guests (including dom0) is reachable from a 64-bit PV domU. To
mitigate this, XPTI (the Xen variant of PTI) has been implemented in the
hypervisor, but with a performance hit. HVM (so, also PVH) guests are
better isolated from the hypervisor and other guests. Inside the guest a
choice can be made about which mitigations to enable or not. Also see
https://xenbits.xen.org/xsa/advisory-254.html
2. Unlike HVM, it's not needed to have a boot loader/sector, partitions,
and a qemu process in the dom0 (using cpu and memory and having an
attack surface). Also, when running a largeish amount of domUs on a
physical server, not having all the qemu processes is an advantage.
3. Unlike PV, PVH makes use of all hardware features that accelerate
virtualization.
The upgrade path from PV to PVH is super optimal. It's just setting
type='pvh' in the guest file and doing a full restart of the domU!
Unless... (insert Monty Python's Dramatic Chord!)
Unless... grub2 was used to boot the PV guests.
Why is it interesting to be able to use grub?
Without using grub in between, the guest kernel and initrd have to be
copied out of the guest onto the dom0 filesystem, because the guest has
to be booted with them directly. Currently, we already have the
grub-xen packages in Debian, which provide grub images which can be used
as kernel for a PV guest, after which it can load the actual linux
kernel that is symlinked from /vmlinuz on the guest filesystem at that
moment.
The final changes to the Linux kernel for grub+PVH are in Linux 4.20.
This request, to carry a few patches from Linux 4.20, provides one half
of the dots that need to be connected to make the full thing happen for
Buster.
Since we'll have Xen 4.11 in Buster, PVH is supported. The related grub2
patchset was committed to the grub master branch on Dec 12 2018 (yup,
today). So, I'll also start contacting the debian grub team soon to ask
(and help) to get the current grub-xen functionality in Debian to be
extended with PVH capabilities as well.
Test reports:
https://lists.xenproject.org/archives/html/xen-devel/2018-10/msg01913.htmlhttps://lists.xenproject.org/archives/html/xen-devel/2018-11/msg03312.html
Permit overlayfs mounts within user namespaces to allow utilisation of e.g.
unprivileged LXC overlay snapshots.
Except by the Ubuntu community [1], overlayfs mounts in user namespaces are
expected to be a security risk [2] and thus are not enabled on upstream
Linux kernels. For the non-Ubuntu users that have to stick to unprivileged
overlay-based LXCs, this meant to patch and compile the kernel manually.
Instead, adding the kernel tainting 'permit_mounts_in_userns' module
parameter allows a kind of a user-friendly way to enable the feature.
Testable with:
sudo modprobe overlay permit_mounts_in_userns=1
sudo sysctl -w kernel.unprivileged_userns_clone=1
mkdir -p lower upper work mnt
unshare --map-root-user --mount \
mount -t overlay none mnt \
-o lowerdir=lower,upperdir=upper,workdir=work
[1]: Ubuntu allows unprivileged mounting of overlay filesystem
https://lists.ubuntu.com/archives/kernel-team/2014-February/038091.html
[2]: User namespaces + overlayfs = root privileges
https://lwn.net/Articles/671641/
Signed-off-by: Nicolas Schier <nicolas@fjasle.eu>
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Merge tag 'debian/4.18.10-1'
Release linux (4.18.10-1).
- Drop new patches that are already included upstream
- Keep ABI number set to "trunk"
- Refresh arm64 APEI workaround patch for 4.19
This updates the debian changelog for listing changes of this stable
update. It also removes patches applied upstream and refreshes a patch
that is part of 4.18.7-rt5.
This updates the debian changelog for listing changes of this stable
update. It also removes patches applied upstream and refreshes a patch
that is part of 4.18.7-rt5.
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Merge tag 'debian/4.18.8-1'
Release linux (4.18.8-1).
- Drop ABI reference files and ABI maintenance patch
- Replace ccp driver patch with upstream version that applies to 4.19
Rename them to genpatch-{aufs,lockdown,rt}
Fixes lintian warning patch-file-present-but-not-mentioned-in-series.
Also preparation for using dgit, which will remove everything except
the main patch series under debian/patches.
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Merge tag 'debian/4.17.17-1'
Release linux (4.17.17-1).
- Drop "gpu: host1x: Fix compiler errors by converting to dma_addr_t"
which is already in 4.18
- Drop ABI reference files and ABI number change
Drop x86-l1tf-fix-build-error-seen-if-config_kvm_intel-is-disabled.patch
Drop x86-i8259-add-missing-include-file.patch
Drop bluetooth-hidp-buffer-overflow-in-hidp_process_report.patch
Cleanup debian/changelog file
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Merge tag 'debian/4.17.6-2'
Release linux (4.17.6-2).
- Drop the ABI maintenance patch
- Resolve conflict between changes to config file generation in sid
(delete CONFIG_BUILD_SALT) and master (putting them in
arch-dependent packages)
Closes: #872263
- kbuild: Add build salt to the kernel and modules
- [arm64,powerpc,x86] Add build salt to the vDSO
- Set BUILD_SALT equal to the release string
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Merge tag 'debian/4.17.6-1'
Release linux (4.17.6-1).
- Drop patches for ABI maintenance or that are already upstream
- Drop ABI reference files
The real problem was not that there were two rules, but that the first
rule didn't work for out-of-tree builds.
After I disabled the second rule, "make man" still succeeded because
of another rule (with no commands) that made all man pages depend on
asciidoc.conf.
This updates the debian changelog for listing changes of this stable
update. It also removes the patches that have been merged upstream.
Signed-off-by: Romain Perier <romain.perier@gmail.com>
Add a patch to disable uImage generation to avoid depend on u-boot-tools
Fix typo the EL's flavor names in installer: not same within defines
Malta is never used for r6. (Closes: #898523)
Boston also requires relocation table size >= 0x00121000
Refresh bugfix/all/fs-add-module_softdep-declarations-for-hard-coded-cr.patch
Drop patches applied upstream related to CVE-2018-1093
Cleanup debian/changelog entries
- Drop patches included upstream
- Drop "Don't WARN about expected W+X pages on Xen"; the problem appears
to have been fixed by upstream commits 2cc42bac1c ("x86-64/Xen: eliminate
W+X mappings") and 672c0ae09b33 ("x86/mm: Consider effective protection
attributes in W+X check")
- Drop "Kbuild: kconfig: Verbose version of --listnewconfig"; it seems
redundant with upstream commit 17baab68d337 ("kconfig: extend output of
'listnewconfig'")
- Drop lockdown patch to drivers/scsi/eata.c; the driver was removed
upstream
- Refresh various other patches
- Drop patches already in 4.16
- Overwrite changes on master to debian/installer, which were also
applied on sid and then changed
- [x86] Fix up dell_smbios configuration; now it's a single driver
selected by DELL_SMBIOS, with DELL_SMBIOS_{SMM,WMI} being boolean
options
- Clean up configuration with kconfigeditor2
Add CVE ids for two issues fixed in 4.15.10
Drop bugfix/all/scsi-core-Avoid-that-ATA-error-handling-can-trigger-.patch
Drop bugfix/all/nospec-kill-array_index_nospec_mask_check.patch
Cleanup debian/changelog file
Commit 1df9e416e647 "Kbuild: always define endianess in kconfig.h"
fixed several cases where some types (and inline functions) might not
be correctly defined according to the host byte order. It might be
possible to avoid an ABI bump, but it would require a lot of work.
Also, the problem may affect OOT modules that therefore should be
rebuilt with the fix.
Drop media-dvb-usb-v2-lmedm04-Improve-logic-checking-of-w.patch
Drop media-dvb-usb-v2-lmedm04-move-ts2020-attach-to-dm04_.patch
Drop media-hdpvr-fix-an-error-handling-path-in-hdpvr_prob.patch
Cleanup Debian changelog for 4.15.4
YunQiang Su
Marcin Juszkiewicz
Vagrant Cascadian
Salvatore Bonaccorso
Ben Hutchings
Yves-Alexis Perez
John Paul Adrian Glaubitz
Bastian Blank
Uwe Kleine-König
Noah Meyerhans
Hans van Kranenburg
Hilko Bengen
Nicolas Schier
Romain Perier
Geoff Levand
Helge Deller