linux-kernel - [PATCH] x86/cacheinfo: Remove set but unused variable 'trace'

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Message-Id: <20221123060106.29067-1-jiapeng.chong@linux.alibaba.com>
Date:   Wed, 23 Nov 2022 14:01:06 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     tglx@...utronix.de
Cc:     mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] x86/cacheinfo: Remove set but unused variable 'trace'

Variable 'trace' is not effectively used in the function, so delete it.

arch/x86/kernel/cpu/cacheinfo.c:737:15: warning: variable 'trace' set but not used.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3243
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 arch/x86/kernel/cpu/cacheinfo.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
index f4e5aa27eec6..c6c0052def8e 100644
--- a/arch/x86/kernel/cpu/cacheinfo.c
+++ b/arch/x86/kernel/cpu/cacheinfo.c
@@ -734,7 +734,7 @@ void init_hygon_cacheinfo(struct cpuinfo_x86 *c)
 void init_intel_cacheinfo(struct cpuinfo_x86 *c)
 {
 	/* Cache sizes */
-	unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0;
+	unsigned int l1i = 0, l1d = 0, l2 = 0, l3 = 0;
 	unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */
 	unsigned int new_l2 = 0, new_l3 = 0, i; /* Cache sizes from cpuid(4) */
 	unsigned int l2_id = 0, l3_id = 0, num_threads_sharing, index_msb;
@@ -836,7 +836,6 @@ void init_intel_cacheinfo(struct cpuinfo_x86 *c)
 							l3 += cache_table[k].size;
 							break;
 						case LVL_TRACE:
-							trace += cache_table[k].size;
 							break;
 						}
 
-- 
2.20.1.7.g153144c