perf_counter: Remove the last nmi/irq bits

IRQ (non-NMI) sampling is not used anymore - remove the last few bits.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index ec06aa5..9e144fb 100644 (file)
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -284,12 +284,6 @@ static int __hw_perf_counter_init(struct perf_counter *counter)
        if (!hw_event->exclude_kernel)
                hwc->config |= ARCH_PERFMON_EVENTSEL_OS;
 
-       /*
-        * Use NMI events all the time:
-        */
-       hwc->nmi        = 1;
-       hw_event->nmi   = 1;
-
        if (!hwc->sample_period)
                hwc->sample_period = x86_pmu.max_period;
 

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 1fcd3cc..cef9931 100644 (file)
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -140,7 +140,6 @@ struct perf_counter_hw_event {
        __u64                   read_format;
 
        __u64                   disabled       :  1, /* off by default        */
-                               nmi            :  1, /* NMI sampling          */
                                inherit        :  1, /* children inherit it   */
                                pinned         :  1, /* must always be on PMU */
                                exclusive      :  1, /* only group on PMU     */
@@ -153,7 +152,7 @@ struct perf_counter_hw_event {
                                comm           :  1, /* include comm data     */
                                freq           :  1, /* use freq, not period  */
 
-                               __reserved_1   : 51;
+                               __reserved_1   : 52;
 
        __u32                   wakeup_events;  /* wakeup every n events */
        __u32                   __reserved_2;
@@ -354,7 +353,6 @@ struct hw_perf_counter {
                        u64                             config;
                        unsigned long                   config_base;
                        unsigned long                   counter_base;
-                       int                             nmi;
                        int                             idx;
                };
                union { /* software */