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x86/compat, x86/perf: Don't build perf_callchain_user32() on x32 

perf_callchain_user32() is not needed for x32.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.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/1434974121-32575-9-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Brian Gerst 2015-06-22 07:55:17 -04:00 committed by Ingo Molnar
parent c338867d0e
commit 10ed34935e
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/cpu/perf_event.c
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@ -2196,7 +2196,7 @@ static unsigned long get_segment_base(unsigned int segment)
return get_desc_base(desc + idx);
}
#ifdef CONFIG_COMPAT
#ifdef CONFIG_IA32_EMULATION
#include <asm/compat.h>