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author | Jamie Iles <jamie.iles@picochip.com> | 2010-02-02 20:23:15 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-02-12 17:23:43 +0000 |
commit | 0f4f0672ac950c96cffaf84a666d35e817d7c3ca (patch) | |
tree | cb4c1ec72f7842622c636a76f5ca519f3f3e8ea8 /arch/arm/Kconfig | |
parent | 74d2e4f8d79ae0c4b6ec027958d5b18058662eea (diff) | |
download | op-kernel-dev-0f4f0672ac950c96cffaf84a666d35e817d7c3ca.zip op-kernel-dev-0f4f0672ac950c96cffaf84a666d35e817d7c3ca.tar.gz |
ARM: 5899/2: arm: provide a mechanism to reserve performance counters
To add support for perf events and to allow the hardware counters to be
shared with oprofile, we need a way to reserve access to the pmu
(performance monitor unit). Platforms with PMU interrupts should
register the interrupts in arch/arm/kernel/pmu.c
Signed-off-by: Jamie Iles <jamie.iles@picochip.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r-- | arch/arm/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 233a222..9e08891 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -863,6 +863,11 @@ config XSCALE_PMU depends on CPU_XSCALE && !XSCALE_PMU_TIMER default y +config CPU_HAS_PMU + depends on CPU_V6 || CPU_V7 || XSCALE_PMU + default y + bool + if !MMU source "arch/arm/Kconfig-nommu" endif |