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Diffstat (limited to 'arch/x86/include/asm/perf_event_p4.h')
-rw-r--r--arch/x86/include/asm/perf_event_p4.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/include/asm/perf_event_p4.h b/arch/x86/include/asm/perf_event_p4.h
index e2f6a99..56fd9e3 100644
--- a/arch/x86/include/asm/perf_event_p4.h
+++ b/arch/x86/include/asm/perf_event_p4.h
@@ -1,5 +1,5 @@
/*
- * Netburst Perfomance Events (P4, old Xeon)
+ * Netburst Performance Events (P4, old Xeon)
*/
#ifndef PERF_EVENT_P4_H
@@ -9,7 +9,7 @@
#include <linux/bitops.h>
/*
- * NetBurst has perfomance MSRs shared between
+ * NetBurst has performance MSRs shared between
* threads if HT is turned on, ie for both logical
* processors (mem: in turn in Atom with HT support
* perf-MSRs are not shared and every thread has its
@@ -22,6 +22,7 @@
#define ARCH_P4_CNTRVAL_BITS (40)
#define ARCH_P4_CNTRVAL_MASK ((1ULL << ARCH_P4_CNTRVAL_BITS) - 1)
+#define ARCH_P4_UNFLAGGED_BIT ((1ULL) << (ARCH_P4_CNTRVAL_BITS - 1))
#define P4_ESCR_EVENT_MASK 0x7e000000U
#define P4_ESCR_EVENT_SHIFT 25
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