Messages in this thread Patch in this message | | | Date | Fri, 15 Jul 2016 05:04:31 -0700 | From | tip-bot for Andy Lutomirski <> | Subject | [tip:x86/mm] x86/smp: Remove unnecessary initialization of thread_info::cpu |
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Commit-ID: eb43e8f85fffc1ba535e0362a872101dfe48abe3 Gitweb: http://git.kernel.org/tip/eb43e8f85fffc1ba535e0362a872101dfe48abe3 Author: Andy Lutomirski <luto@kernel.org> AuthorDate: Thu, 14 Jul 2016 13:22:59 -0700 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 15 Jul 2016 10:26:31 +0200
x86/smp: Remove unnecessary initialization of thread_info::cpu
It's statically initialized to zero -- no need to dynamically initialize it to zero as well.
Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/6cf6314dce3051371a913ee19d1b88e29c68c560.1468527351.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/x86/kernel/smpboot.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index fafe8b9..0e91dbe 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1285,7 +1285,6 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus) cpumask_copy(cpu_callin_mask, cpumask_of(0)); mb(); - current_thread_info()->cpu = 0; /* needed? */ for_each_possible_cpu(i) { zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL); zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
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