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-rw-r--r--arch/i386/kernel/nmi.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index a98ba88a8c0c..9f1e8c1afab7 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -41,16 +41,17 @@ int nmi_watchdog_enabled;
41 * different subsystems this reservation system just tries to coordinate 41 * different subsystems this reservation system just tries to coordinate
42 * things a little 42 * things a little
43 */ 43 */
44static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner);
45static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[3]);
46
47static cpumask_t backtrace_mask = CPU_MASK_NONE;
48 44
49/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's 45/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
50 * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now) 46 * offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
51 */ 47 */
52#define NMI_MAX_COUNTER_BITS 66 48#define NMI_MAX_COUNTER_BITS 66
49#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS)
53 50
51static DEFINE_PER_CPU(unsigned long, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]);
52static DEFINE_PER_CPU(unsigned long, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]);
53
54static cpumask_t backtrace_mask = CPU_MASK_NONE;
54/* nmi_active: 55/* nmi_active:
55 * >0: the lapic NMI watchdog is active, but can be disabled 56 * >0: the lapic NMI watchdog is active, but can be disabled
56 * <0: the lapic NMI watchdog has not been set up, and cannot 57 * <0: the lapic NMI watchdog has not been set up, and cannot