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authorRobert Richter <robert.richter@amd.com>2010-10-11 19:26:50 +0200
committerRobert Richter <robert.richter@amd.com>2010-10-11 19:26:50 +0200
commitad0f7cfaa85fc033523a09ab1f3dd6b8ded3dff5 (patch)
tree2565121e4b9945d953e02c77a2e53065b3789aa4 /arch/arm/kernel
parent86c8c04792f152c5469023885510140dd34817bc (diff)
parentc7a27aa4652c63172489a73f3961455650a79a7f (diff)
downloadlinux-ad0f7cfaa85fc033523a09ab1f3dd6b8ded3dff5.tar.gz
Merge branch 'oprofile/urgent' (early part) into oprofile/perf
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/calls.S3
-rw-r--r--arch/arm/kernel/entry-common.S2
-rw-r--r--arch/arm/kernel/perf_event.c12
3 files changed, 11 insertions, 6 deletions
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index afeb71fa72cb..5c26eccef998 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -376,6 +376,9 @@
 		CALL(sys_perf_event_open)
 /* 365 */	CALL(sys_recvmmsg)
 		CALL(sys_accept4)
+		CALL(sys_fanotify_init)
+		CALL(sys_fanotify_mark)
+		CALL(sys_prlimit64)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index f05a35a59694..1b560825e1cf 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -418,11 +418,13 @@ ENDPROC(sys_clone_wrapper)
 
 sys_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
+		mov	why, #0		@ prevent syscall restart handling
 		b	sys_sigreturn
 ENDPROC(sys_sigreturn_wrapper)
 
 sys_rt_sigreturn_wrapper:
 		add	r0, sp, #S_OFF
+		mov	why, #0		@ prevent syscall restart handling
 		b	sys_rt_sigreturn
 ENDPROC(sys_rt_sigreturn_wrapper)
 
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 3b0aedfb96e7..ef3bc331518f 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -325,8 +325,8 @@ validate_event(struct cpu_hw_events *cpuc,
 {
 	struct hw_perf_event fake_event = event->hw;
 
-	if (event->pmu && event->pmu != &pmu)
-		return 0;
+	if (event->pmu != &pmu || event->state <= PERF_EVENT_STATE_OFF)
+		return 1;
 
 	return armpmu->get_event_idx(cpuc, &fake_event) >= 0;
 }
@@ -1047,8 +1047,8 @@ armv6pmu_handle_irq(int irq_num,
 	/*
 	 * Handle the pending perf events.
 	 *
-	 * Note: this call *must* be run with interrupts enabled. For
-	 * platforms that can have the PMU interrupts raised as a PMI, this
+	 * Note: this call *must* be run with interrupts disabled. For
+	 * platforms that can have the PMU interrupts raised as an NMI, this
 	 * will not work.
 	 */
 	perf_event_do_pending();
@@ -2023,8 +2023,8 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
 	/*
 	 * Handle the pending perf events.
 	 *
-	 * Note: this call *must* be run with interrupts enabled. For
-	 * platforms that can have the PMU interrupts raised as a PMI, this
+	 * Note: this call *must* be run with interrupts disabled. For
+	 * platforms that can have the PMU interrupts raised as an NMI, this
 	 * will not work.
 	 */
 	perf_event_do_pending();