From 2b730952066cd022d1f46e801f06ca6ca9878823 Mon Sep 17 00:00:00 2001 From: Borislav Petkov Date: Sat, 28 Sep 2019 16:53:56 +0200 Subject: [PATCH] x86/microcode/amd: Fix two -Wunused-but-set-variable warnings 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 Cc: x86@kernel.org Link: https://lkml.kernel.org/r/20190928162559.26294-1-bp@alien8.de --- arch/x86/kernel/cpu/microcode/amd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index a0e52bd00ecc..3f6b137ef4e6 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -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); -- 2.45.2