It's not used, we could remove it to avoid a W1 warning: arch/x86/mm/tlb.c:318:6: warning: variable ‘cpu’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Alex Shi <alex....@linux.alibaba.com> Cc: Dave Hansen <dave.han...@linux.intel.com> Cc: Andy Lutomirski <l...@kernel.org> Cc: x...@kernel.org Cc: "H. Peter Anvin" <h...@zytor.com> Cc: linux-kernel@vger.kernel.org --- arch/x86/mm/tlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c index 88e9ad5142e4..be2e9080ca79 100644 --- a/arch/x86/mm/tlb.c +++ b/arch/x86/mm/tlb.c @@ -315,7 +315,7 @@ void leave_mm(int cpu) int enable_l1d_flush_for_task(struct task_struct *tsk) { - int cpu, ret = 0, i; + int ret = 0, i; /* * Do not enable L1D_FLUSH_OUT if @@ -328,7 +328,7 @@ int enable_l1d_flush_for_task(struct task_struct *tsk) !static_cpu_has(X86_FEATURE_FLUSH_L1D)) return -EINVAL; - cpu = get_cpu(); + get_cpu(); for_each_cpu(i, &tsk->cpus_mask) { if (cpu_data(i).smt_active == true) { -- 1.8.3.1