linux-kernel - [PATCH] x86/mce/amd: fix -Wmissing-prototypes warnings

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Date:   Wed, 23 Oct 2019 15:57:17 +0800
From:   Yi Wang <wang.yi59@....com.cn>
To:     tony.luck@...el.com
Cc:     bp@...en8.de, tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        x86@...nel.org, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org, xue.zhihong@....com.cn,
        wang.yi59@....com.cn, up2wing@...il.com, wang.liang82@....com.cn
Subject: [PATCH] x86/mce/amd: fix -Wmissing-prototypes warnings

We get two warnings when build kernel W=1:
arch/x86/kernel/cpu/mce/amd.c:586:6: warning: no previous prototype for ‘disable_err_thresholding’ [-Wmissing-prototypes]

Make the function static to fix this.

Signed-off-by: Yi Wang <wang.yi59@....com.cn>
---
 arch/x86/kernel/cpu/mce/amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/amd.c b/arch/x86/kernel/cpu/mce/amd.c
index 6ea7fdc..5167bd2 100644
--- a/arch/x86/kernel/cpu/mce/amd.c
+++ b/arch/x86/kernel/cpu/mce/amd.c
@@ -583,7 +583,7 @@ bool amd_filter_mce(struct mce *m)
  * - Prevent possible spurious interrupts from the IF bank on Family 0x17
  *   Models 0x10-0x2F due to Erratum #1114.
  */
-void disable_err_thresholding(struct cpuinfo_x86 *c, unsigned int bank)
+static void disable_err_thresholding(struct cpuinfo_x86 *c, unsigned int bank)
 {
 	int i, num_msrs;
 	u64 hwcr;
-- 
1.8.3.1