On Thu, May 30, 2013 at 08:31:08PM -0700, tip-bot for Jacob Shin wrote:
> Commit-ID: 757885e94a22bcc82beb9b1445c95218cb20ceab
> Gitweb: http://git.kernel.org/tip/757885e94a22bcc82beb9b1445c95218cb20ceab
> Author: Jacob Shin <[email protected]>
> AuthorDate: Thu, 30 May 2013 14:09:19 -0500
> Committer: H. Peter Anvin <[email protected]>
> CommitDate: Thu, 30 May 2013 20:19:25 -0700
>
> x86, microcode, amd: Early microcode patch loading support for AMD
>
> Add early microcode patch loading support for AMD.
>
> Signed-off-by: Jacob Shin <[email protected]>
> Link:
> http://lkml.kernel.org/r/[email protected]
> Signed-off-by: H. Peter Anvin <[email protected]>
> Cc: Fenghua Yu <[email protected]>
> ---
...
> diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
> index 7bd3bd3..6c3fcea 100644
> --- a/arch/x86/kernel/Makefile
> +++ b/arch/x86/kernel/Makefile
> @@ -93,6 +93,7 @@ obj-$(CONFIG_MICROCODE_INTEL_LIB) += microcode_intel_lib.o
> microcode-y := microcode_core.o
> microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o
> microcode-$(CONFIG_MICROCODE_AMD) += microcode_amd.o
> +obj-$(CONFIG_MICROCODE_AMD_EARLY) += microcode_amd_early.o
> obj-$(CONFIG_MICROCODE) += microcode.o
This can't be right:
WARNING: modpost: Found 1 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
arch/x86/built-in.o: In function `apply_ucode_in_initrd':
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:118:
undefined reference to `__apply_microcode_amd'
arch/x86/built-in.o: In function `save_microcode_in_initrd_amd':
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:216:
undefined reference to `load_microcode_amd'
arch/x86/built-in.o: In function `collect_cpu_info_amd_early':
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:171:
undefined reference to `ucode_cpu_info'
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:172:
undefined reference to `ucode_cpu_info'
arch/x86/built-in.o: In function `load_ucode_amd_ap':
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:185:
undefined reference to `load_microcode_amd'
/home/boris/kernel/linux-2.6/arch/x86/kernel/microcode_amd_early.c:190:
undefined reference to `apply_microcode_amd'
make: *** [vmlinux] Error 1
$ grep MICROCODE .config
CONFIG_MICROCODE=m
CONFIG_MICROCODE_INTEL=y
CONFIG_MICROCODE_AMD=y
CONFIG_MICROCODE_OLD_INTERFACE=y
CONFIG_MICROCODE_INTEL_LIB=y
CONFIG_MICROCODE_INTEL_EARLY=y
CONFIG_MICROCODE_AMD_EARLY=y
CONFIG_MICROCODE_EARLY=y
Jacob, as a tip for you: before sending out patches, always do a
for ARCH in "i386" "x86_64"
do
for cfg in "defconfig" "allnoconfig" "allyesconfig" "allmodconfig"
do
make -j<something> $ARCH $cfg
done
done
to smoke-test your patches. I'm not saying this should catch all build
errors but still...
Thanks.
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