This patch adds definitions for the perfmon interrupt vector
and thread info flags. It is common to i386 and x86_64 code.
Signed-off-by: Stephane Eranian <[email protected]>
--
Index: o3/include/asm-x86/irq_vectors.h
===================================================================
--- o3.orig/include/asm-x86/irq_vectors.h 2008-10-10 14:54:58.000000000 +0200
+++ o3/include/asm-x86/irq_vectors.h 2008-10-10 14:56:55.000000000 +0200
@@ -92,6 +92,11 @@
#define LOCAL_TIMER_VECTOR 0xef
/*
+ * PERfmon PMU interrupt vector
+ */
+#define LOCAL_PERFMON_VECTOR 0xee
+
+/*
* First APIC vector available to drivers: (vectors 0x30-0xee) we
* start at 0x31(0x41) to spread out vectors evenly between priority
* levels. (0x80 is the syscall vector)
Index: o3/include/asm-x86/thread_info.h
===================================================================
--- o3.orig/include/asm-x86/thread_info.h 2008-10-10 14:54:58.000000000 +0200
+++ o3/include/asm-x86/thread_info.h 2008-10-10 16:21:36.000000000 +0200
@@ -71,6 +71,7 @@
* Warning: layout of LSW is hardcoded in entry.S
*/
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
+#define TIF_PERFMON_WORK 1 /* work for pfm_handle_work() */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
#define TIF_SINGLESTEP 4 /* reenable singlestep on user return*/
@@ -91,6 +92,7 @@
#define TIF_DEBUGCTLMSR 25 /* uses thread_struct.debugctlmsr */
#define TIF_DS_AREA_MSR 26 /* uses thread_struct.ds_area_msr */
#define TIF_BTS_TRACE_TS 27 /* record scheduling event timestamps */
+#define TIF_PERFMON_CTXSW 28 /* perfmon needs ctxsw calls */
#define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1 << TIF_SIGPENDING)
@@ -112,6 +114,8 @@
#define _TIF_DEBUGCTLMSR (1 << TIF_DEBUGCTLMSR)
#define _TIF_DS_AREA_MSR (1 << TIF_DS_AREA_MSR)
#define _TIF_BTS_TRACE_TS (1 << TIF_BTS_TRACE_TS)
+#define _TIF_PERFMON_WORK (1<<TIF_PERFMON_WORK)
+#define _TIF_PERFMON_CTXSW (1<<TIF_PERFMON_CTXSW)
/* work to do in syscall_trace_enter() */
#define _TIF_WORK_SYSCALL_ENTRY \
@@ -133,12 +137,12 @@
/* Only used for 64 bit */
#define _TIF_DO_NOTIFY_MASK \
- (_TIF_SIGPENDING|_TIF_MCE_NOTIFY)
+ (_TIF_SIGPENDING|_TIF_MCE_NOTIFY|_TIF_PERFMON_WORK)
/* flags to check in __switch_to() */
#define _TIF_WORK_CTXSW \
(_TIF_IO_BITMAP|_TIF_DEBUGCTLMSR|_TIF_DS_AREA_MSR|_TIF_BTS_TRACE_TS| \
- _TIF_NOTSC)
+ _TIF_NOTSC|_TIF_PERFMON_CTXSW)
#define _TIF_WORK_CTXSW_PREV _TIF_WORK_CTXSW
#define _TIF_WORK_CTXSW_NEXT (_TIF_WORK_CTXSW|_TIF_DEBUG)
--