From: Andy Lutomirski <luto@kernel.org> Date: Thu, 14 Jul 2016 20:22:59 +0000 (-0700) Subject: x86/smp: Remove unnecessary initialization of thread_info::cpu X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=eb43e8f85fffc1ba535e0362a872101dfe48abe3;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git 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> --- diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index fafe8b923cac..0e91dbeca2fd 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);