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Subject[PATCH] x86/CPU: drop set but unused variable
Date
The following warning showed up when compiling with W=1.

arch/x86/kernel/cpu/cacheinfo.c:730:15: warning: variable 'trace' set but not used [-Wunused-but-set-variable].

Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
arch/x86/kernel/cpu/cacheinfo.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/cacheinfo.c b/arch/x86/kernel/cpu/cacheinfo.c
index 66556833d7af..7ef070fbc14c 100644
--- a/arch/x86/kernel/cpu/cacheinfo.c
+++ b/arch/x86/kernel/cpu/cacheinfo.c
@@ -727,7 +727,7 @@ 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;
@@ -828,9 +828,11 @@ void init_intel_cacheinfo(struct cpuinfo_x86 *c)
case LVL_3:
l3 += cache_table[k].size;
break;
- case LVL_TRACE:
- trace += cache_table[k].size;
- break;
+ /*
+ * case LVL_TRACE:
+ * trace += cache_table[k].size;
+ * break;
+ */
}

break;
--
2.20.1.7.g153144c
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