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Subject[PATCH] x86: mce: Fix build warning when !CONFIG_X86_LOCAL_APIC
Date
The mce_irq_ipi() function is only called inside a #ifdef
CONFIG_X86_LOCAL_APIC block, if this option is disabled gcc gives the
following build warning:

arch/x86/kernel/cpu/mcheck/mce-inject.c:97:13: warning: ‘mce_irq_ipi’
defined but not used [-Wunused-function]
static void mce_irq_ipi(void *info)
^

Fix it marking this function as __maybe_unused.

Signed-off-by: Augusto Mecking Caringi <augustocaringi@gmail.com>
---
arch/x86/kernel/cpu/mcheck/mce-inject.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index 517619e..cd1fb58 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -94,7 +94,7 @@ static int mce_raise_notify(unsigned int cmd, struct pt_regs *regs)
return NMI_HANDLED;
}

-static void mce_irq_ipi(void *info)
+static void __maybe_unused mce_irq_ipi(void *info)
{
int cpu = smp_processor_id();
struct mce *m = this_cpu_ptr(&injectm);
--
2.7.4
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