Convert XScale performance monitor unit (PMU) interrupt used by
oprofile to IRQF_NODELAY. PMU results not useful if ISR is run as
thread.
Signed-off-by: Kevin Hilman <[email protected]>
Index: dev/arch/arm/oprofile/op_model_xscale.c
===================================================================
--- dev.orig/arch/arm/oprofile/op_model_xscale.c
+++ dev/arch/arm/oprofile/op_model_xscale.c
@@ -383,8 +383,9 @@ static int xscale_pmu_start(void)
{
int ret;
u32 pmnc = read_pmnc();
+ int irq_flags = IRQF_DISABLED | IRQF_NODELAY;
- ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, IRQF_DISABLED,
+ ret = request_irq(XSCALE_PMU_IRQ, xscale_pmu_interrupt, irq_flags,
"XScale PMU", (void *)results);
if (ret < 0) {
--
-
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