perf/x86: Clean up register_nmi_handler() usage

A function name represents the pointer to it - no need to take the
address of it. (Fixing this helps us introduce some macro magic
around register_nmi_handler() in the future.)

Cc: Robert Richter <robert.richter@amd.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/kernel/cpu/perf_event_amd_ibs.c b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
index 573d248..8ff74d4 100644 (file)
--- a/arch/x86/kernel/cpu/perf_event_amd_ibs.c
+++ b/arch/x86/kernel/cpu/perf_event_amd_ibs.c
@@ -469,7 +469,7 @@ static __init int perf_event_ibs_init(void)
 
        perf_ibs_pmu_init(&perf_ibs_fetch, "ibs_fetch");
        perf_ibs_pmu_init(&perf_ibs_op, "ibs_op");
-       register_nmi_handler(NMI_LOCAL, &perf_ibs_nmi_handler, 0, "perf_ibs");
+       register_nmi_handler(NMI_LOCAL, perf_ibs_nmi_handler, 0, "perf_ibs");
        printk(KERN_INFO "perf: AMD IBS detected (0x%08x)\n", ibs_caps);
 
        return 0;