[PATCHv2 1/7] arm: perf: factor arm_pmu core out to drivers
Will Deacon
will.deacon at arm.com
Tue Jun 16 09:17:28 PDT 2015
Hi Mark,
On Thu, Jun 11, 2015 at 05:44:14PM +0100, Mark Rutland wrote:
> To enable sharing of the arm_pmu code with arm64, this patch factors it
> out to drivers/perf/. A new drivers/perf directory is added for
> performance monitor drivers to live under.
>
> MAINTAINERS is updated accordingly, with myself added as a reviewer as
> suggested by Will Deacon. The wildcard for arch/arm is updated to cover
> perf_regs.c and perf_callchain.c, which were added previously without a
> corresponding MAINTAINERS update.
>
> Signed-off-by: Mark Rutland <mark.rutland at arm.com>
> Cc: Arnaldo Carvalho de Melo <acme at kernel.org>
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: Ingo Molnar <mingo at redhat.com>
> Cc: Linus Walleij <linus.walleij at linaro.org>
> Cc: Paul Mackerras <paulus at samba.org>
> Cc: Peter Zijlstra <a.p.zijlstra at chello.nl>
> Cc: Russell King <linux at arm.linux.org.uk>
> Cc: Will Deacon <will.deacon at arm.com>
> ---
> MAINTAINERS | 6 ++++--
Can you put the MAINTAINERS changes in a separate patch, please?
> arch/arm/Kconfig | 8 ++------
> arch/arm/kernel/Makefile | 3 +--
> arch/arm/kernel/perf_event_v6.c | 2 +-
> arch/arm/kernel/perf_event_v7.c | 2 +-
> arch/arm/kernel/perf_event_xscale.c | 2 +-
> arch/arm/mach-ux500/cpu-db8500.c | 2 +-
> drivers/Kconfig | 2 ++
> drivers/Makefile | 1 +
> drivers/perf/Kconfig | 14 ++++++++++++++
> drivers/perf/Makefile | 1 +
> arch/arm/kernel/perf_event.c => drivers/perf/arm_pmu.c | 2 +-
> arch/arm/include/asm/pmu.h => include/linux/perf/arm_pmu.h | 4 ++--
I wonder whether that's such a good name for the subsystem. We already
have a bunch of perf_* headers directly under include/linux/ for the perf
core interfaces, so maybe drivers/pmu/ would be better?
Will
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