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x86/microcode/amd: Fix two -Wunused-but-set-variable warnings

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The dummy variable is the high part of the microcode revision MSR which
is defined as reserved. Mark it unused so that W=1 builds don't trigger
the above warning.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: x86@kernel.org
Link: https://lkml.kernel.org/r/20190928162559.26294-1-bp@alien8.de
This commit is contained in:
Borislav Petkov 2019-09-28 16:53:56 +02:00
parent 54ecb8f702
commit 2b73095206
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/cpu/microcode/amd.c
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@ -567,7 +567,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
void reload_ucode_amd(void)
{
struct microcode_amd *mc;
u32 rev, dummy;
u32 rev, dummy __always_unused;
mc = (struct microcode_amd *)amd_ucode_patch;
@ -673,7 +673,7 @@ static enum ucode_state apply_microcode_amd(int cpu)
struct ucode_cpu_info *uci;
struct ucode_patch *p;
enum ucode_state ret;
u32 rev, dummy;
u32 rev, dummy __always_unused;
BUG_ON(raw_smp_processor_id() != cpu);