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MIPS: Prefer cc-option for additions to cflags

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commit 337ff6bb89 upstream.

A future change will switch as-option to use KBUILD_AFLAGS instead of
KBUILD_CFLAGS to allow clang to drop -Qunused-arguments, which may cause
issues if the flag being tested requires a flag previously added to
KBUILD_CFLAGS but not KBUILD_AFLAGS. Use cc-option for cflags additions
so that the flags are tested properly.

Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nathan Chancellor
2023-06-14 11:04:37 -07:00
committed by Greg Kroah-Hartman
parent 1d485ddcba
commit 5abcd2c18d
2 changed files with 2 additions and 2 deletions
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2
arch/mips/Makefile
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@@ -152,7 +152,7 @@ cflags-y += -fno-stack-check
# #
# Avoid this by explicitly disabling that assembler behaviour. # Avoid this by explicitly disabling that assembler behaviour.
# #
cflags-y += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) cflags-y += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
# #
# CPU-dependent compiler/assembler options for optimization. # CPU-dependent compiler/assembler options for optimization.

2
arch/mips/loongson2ef/Platform
View File

@@ -25,7 +25,7 @@ cflags-$(CONFIG_CPU_LOONGSON2F) += -march=loongson2f
# binutils does not merge support for the flag then we can revisit & remove # binutils does not merge support for the flag then we can revisit & remove
# this later - for now it ensures vendor toolchains don't cause problems. # this later - for now it ensures vendor toolchains don't cause problems.
# #
cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call as-option,-Wa$(comma)-mno-fix-loongson3-llsc,) cflags-$(CONFIG_CPU_LOONGSON2EF) += $(call cc-option,-Wa$(comma)-mno-fix-loongson3-llsc,)
# Enable the workarounds for Loongson2f # Enable the workarounds for Loongson2f
ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS