40 lines
1.6 KiB
Diff
40 lines
1.6 KiB
Diff
From: Ralf Baechle <ralf@linux-mips.org>
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Date: Wed, 28 May 2014 08:36:23 +0200
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Subject: MIPS: SB1: Fix excessive kernel warnings.
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Origin: https://git.kernel.org/linus/bb6c0bd3fdb67c8a1fceea1d4700b9ee593309f9
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A kernel build with binutils 2.24 is going to emit warnings like
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CC kernel/sys.o
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{standard input}: Assembler messages:
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{standard input}:701: Warning: the 32-bit MIPS architecture does not support the `mdmx' extension
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{standard input}:701: Warning: the `mdmx' extension requires 64-bit FPRs
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{standard input}:701: Warning: the `mips3d' extension requires MIPS32 revision 2 or greater
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{standard input}:701: Warning: the `mips3d' extension requires 64-bit FPRs
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for almost every file. This is caused by changes to gas' interpretation
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of .set semantics. Fixed by explicitly disabling MIPS3D and MDMX for
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Sibyte builds.
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/Makefile | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/mips/Makefile b/arch/mips/Makefile
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index 1a5b403..60a359c 100644
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--- a/arch/mips/Makefile
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+++ b/arch/mips/Makefile
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@@ -151,7 +151,7 @@ cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \
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-Wa,--trap
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-cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \
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+cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1 -mno-mdmx -mno-mips3d,-march=r5000) \
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-Wa,--trap
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cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap
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cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \
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--
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2.0.0
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