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authorFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 23:08:43 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-09-23 23:08:43 +0200
commitd7a4b414eed51f1653bb05ebe84122bf9a7ae18b (patch)
treebd6603a0c27de4c138a1767871897e9cd3e1a1d2 /arch/sparc/kernel/pcr.c
parent1f0ab40976460bc4673fa204ce917a725185d8f2 (diff)
parenta724eada8c2a7b62463b73ccf73fd0bb6e928aeb (diff)
Merge commit 'linus/master' into tracing/kprobes
Conflicts: kernel/trace/Makefile kernel/trace/trace.h kernel/trace/trace_event_types.h kernel/trace/trace_export.c Merge reason: Sync with latest significant tracing core changes.
Diffstat (limited to 'arch/sparc/kernel/pcr.c')
-rw-r--r--arch/sparc/kernel/pcr.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/sparc/kernel/pcr.c b/arch/sparc/kernel/pcr.c
index 1ae8cdd7e70..2d94e7a03af 100644
--- a/arch/sparc/kernel/pcr.c
+++ b/arch/sparc/kernel/pcr.c
@@ -7,13 +7,15 @@
#include <linux/init.h>
#include <linux/irq.h>
+#include <linux/perf_event.h>
+
#include <asm/pil.h>
#include <asm/pcr.h>
#include <asm/nmi.h>
/* This code is shared between various users of the performance
* counters. Users will be oprofile, pseudo-NMI watchdog, and the
- * perf_counter support layer.
+ * perf_event support layer.
*/
#define PCR_SUN4U_ENABLE (PCR_PIC_PRIV | PCR_STRACE | PCR_UTRACE)
@@ -34,10 +36,20 @@ unsigned int picl_shift;
*/
void deferred_pcr_work_irq(int irq, struct pt_regs *regs)
{
+ struct pt_regs *old_regs;
+
clear_softint(1 << PIL_DEFERRED_PCR_WORK);
+
+ old_regs = set_irq_regs(regs);
+ irq_enter();
+#ifdef CONFIG_PERF_EVENTS
+ perf_event_do_pending();
+#endif
+ irq_exit();
+ set_irq_regs(old_regs);
}
-void schedule_deferred_pcr_work(void)
+void set_perf_event_pending(void)
{
set_softint(1 << PIL_DEFERRED_PCR_WORK);
}