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authorPaul Mackerras <paulus@samba.org>2007-04-30 04:38:01 +0200
committerPaul Mackerras <paulus@samba.org>2007-04-30 04:38:01 +0200
commit49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch)
tree253801ebf57e0a23856a2c7be129c2c178f62fdf /arch/x86_64/kernel/nmi.c
parent[POWERPC] remove kernel module option for booke wdt (diff)
parentMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff)
downloadlinux-49e1900d4cc2e7bcecb681fe60f0990bec2dcce8.tar.xz
linux-49e1900d4cc2e7bcecb681fe60f0990bec2dcce8.zip
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'arch/x86_64/kernel/nmi.c')
-rw-r--r--arch/x86_64/kernel/nmi.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index a90996c27dc8..dfab9f167366 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -39,15 +39,17 @@ int panic_on_unrecovered_nmi;
* different subsystems this reservation system just tries to coordinate
* things a little
*/
-static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner);
-static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[2]);
-
-static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* this number is calculated from Intel's MSR_P4_CRU_ESCR5 register and it's
* offset from MSR_P4_BSU_ESCR0. It will be the max for all platforms (for now)
*/
#define NMI_MAX_COUNTER_BITS 66
+#define NMI_MAX_COUNTER_LONGS BITS_TO_LONGS(NMI_MAX_COUNTER_BITS)
+
+static DEFINE_PER_CPU(unsigned, perfctr_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+static DEFINE_PER_CPU(unsigned, evntsel_nmi_owner[NMI_MAX_COUNTER_LONGS]);
+
+static cpumask_t backtrace_mask = CPU_MASK_NONE;
/* nmi_active:
* >0: the lapic NMI watchdog is active, but can be disabled