[RFC PATCH v2 5/5] arm: perf: Use FIQ to handle PMU events.

Using FIQ (if it is available) gives perf a better insight into the system by allowing code run with interrupts disabled to be profiled. Signed-off-by: Daniel Thompson --- arch/arm/include/asm/pmu.h | 2 ++ arch/arm/kernel/perf_event.c | 2 +- arch/arm/kernel/perf_event_cpu.c | 14

[RFC PATCH v2 5/5] arm: perf: Use FIQ to handle PMU events.

Using FIQ (if it is available) gives perf a better insight into the system by allowing code run with interrupts disabled to be profiled. Signed-off-by: Daniel Thompson daniel.thomp...@linaro.org --- arch/arm/include/asm/pmu.h | 2 ++ arch/arm/kernel/perf_event.c | 2 +-