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x86/smp: Remove stack_smp_processor_id()

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It serves no purpose -- raw_smp_processor_id() works fine.  This
change will be needed to move thread_info off the stack.

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/a2bf4f07fbc30fb32f9f7f3f8f94ad3580823847.1468527351.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andy Lutomirski
2016-07-14 13:22:58 -07:00
committed by Ingo Molnar
parent 13d4ea097d
commit fb59831b49
3 changed files with 1 additions and 8 deletions
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arch/x86/include/asm/cpu.h
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@@ -17,7 +17,6 @@ static inline void prefill_possible_map(void) {}
#define cpu_physical_id(cpu) boot_cpu_physical_apicid
#define safe_smp_processor_id() 0
#define stack_smp_processor_id() 0
#endif /* CONFIG_SMP */