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perf/x86/ibs: Fix undefined reference to `get_ibs_caps' 

Fixing i386 allnoconfig built errors:

 arch/x86/built-in.o: In function `amd_pmu_hw_config':
 perf_event_amd.c:(.text+0xc3e1): undefined reference to `get_ibs_caps'

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Robert Richter 2012-05-11 11:44:59 +02:00 committed by Ingo Molnar
parent 0c5a0f96e8
commit 978da300c7
1 changed files with 4 additions and 0 deletions
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4
arch/x86/include/asm/perf_event.h
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@ -188,7 +188,11 @@ struct x86_pmu_capability {
#define IBS_OP_MAX_CNT_EXT 0x007FFFFFULL /* not a register bit mask */
#define IBS_RIP_INVALID (1ULL<<38)
#ifdef CONFIG_X86_LOCAL_APIC
extern u32 get_ibs_caps(void);
#else
static inline u32 get_ibs_caps(void) { return 0; }
#endif
#ifdef CONFIG_PERF_EVENTS
extern void perf_events_lapic_init(void);