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[PATCH 11/11] x86/smp: Remove unnecessary initialization of thread_info::cpu

From Andy Lutomirski <luto@kernel.org>
Newsgroups linux.kernel
Subject [PATCH 11/11] x86/smp: Remove unnecessary initialization of thread_info::cpu
Date 2016-07-14 22:30 +0200
Message-ID <rUVqH-5SB-49@gated-at.bofh.it> (permalink)
References <rUVqF-5SB-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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It's statically initialized to zero -- no need to dynamically
initialize it to zero as well.

Signed-off-by: Andy Lutomirski <luto@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 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);
-- 
2.7.4

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Thread

[PATCH 00/11] x86: misc prep patches for virtually mapped stacks Andy Lutomirski <luto@kernel.org> - 2016-07-14 22:30 +0200
  [PATCH 09/11] x86: Move addr_limit to thread_struct Andy Lutomirski <luto@kernel.org> - 2016-07-14 22:30 +0200
    [tip:x86/mm] x86/uaccess: Move thread_info::addr_limit to  thread_struct tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2016-07-15 14:10 +0200
  [PATCH 06/11] x86/mm/64: In vmalloc_fault(), use CR3 instead of current->active_mm Andy Lutomirski <luto@kernel.org> - 2016-07-14 22:30 +0200
    [tip:x86/mm] x86/mm/64: In vmalloc_fault(), use CR3 instead of  current->active_mm tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2016-07-15 14:10 +0200
  [PATCH 11/11] x86/smp: Remove unnecessary initialization of thread_info::cpu Andy Lutomirski <luto@kernel.org> - 2016-07-14 22:30 +0200
    [tip:x86/mm] x86/smp: Remove unnecessary initialization of  thread_info::cpu tip-bot for Andy Lutomirski <tipbot@zytor.com> - 2016-07-15 14:10 +0200

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