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>
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@ -188,7 +188,11 @@ struct x86_pmu_capability {
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#define IBS_OP_MAX_CNT_EXT 0x007FFFFFULL /* not a register bit mask */
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#define IBS_RIP_INVALID (1ULL<<38)
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#ifdef CONFIG_X86_LOCAL_APIC
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extern u32 get_ibs_caps(void);
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#else
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static inline u32 get_ibs_caps(void) { return 0; }
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#endif
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#ifdef CONFIG_PERF_EVENTS
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extern void perf_events_lapic_init(void);
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