A little confused, https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=x86/cleanups&id=691b9ab6c9676e5868a4787be9041dd990005311
On 2019/3/7 6:33, tip-bot for Qian Cai wrote: > Commit-ID: 3609e31bc8dc03b701390f79c74fc7fe92b95039 > Gitweb: > https://git.kernel.org/tip/3609e31bc8dc03b701390f79c74fc7fe92b95039 > Author: Qian Cai <c...@lca.pw> > AuthorDate: Thu, 28 Feb 2019 17:01:55 -0500 > Committer: Thomas Gleixner <t...@linutronix.de> > CommitDate: Wed, 6 Mar 2019 23:24:52 +0100 > > x86/mm: Remove unused variable 'cpu' > > The commit a2055abe9c67 ("x86/mm: Pass flush_tlb_info to > flush_tlb_others() etc") removed the unnecessary cpu parameter from > uv_flush_tlb_others() but left an unused variable. > > arch/x86/mm/tlb.c: In function 'native_flush_tlb_others': > arch/x86/mm/tlb.c:688:16: warning: variable 'cpu' set but not used > [-Wunused-but-set-variable] > unsigned int cpu; > ^~~ > > Fixes: a2055abe9c67 ("x86/mm: Pass flush_tlb_info to flush_tlb_others() etc") > Signed-off-by: Qian Cai <c...@lca.pw> > Signed-off-by: Thomas Gleixner <t...@linutronix.de> > Acked-by: Andyt Lutomirski <l...@kernel.org> > Cc: dave.han...@linux.intel.com > Cc: pet...@infradead.org > Cc: b...@alien8.de > Cc: h...@zytor.com > Link: https://lkml.kernel.org/r/20190228220155.88124-1-...@lca.pw > > --- > arch/x86/mm/tlb.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c > index 999d6d8f0bef..bc4bc7b2f075 100644 > --- a/arch/x86/mm/tlb.c > +++ b/arch/x86/mm/tlb.c > @@ -685,9 +685,6 @@ void native_flush_tlb_others(const struct cpumask > *cpumask, > * that UV should be updated so that smp_call_function_many(), > * etc, are optimal on UV. > */ > - unsigned int cpu; > - > - cpu = smp_processor_id(); > cpumask = uv_flush_tlb_others(cpumask, info); > if (cpumask) > smp_call_function_many(cpumask, flush_tlb_func_remote, > > . >
