arm64: perf: Move PMUv3 driver to drivers/perf

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Having the ARM PMUv3 driver sitting in arch/arm64/kernel is getting
in the way of being able to use perf on ARMv8 cores running a 32bit
kernel, such as 32bit KVM guests.

This patch moves it into drivers/perf/arm_pmuv3.c, with an include
file in include/linux/perf/arm_pmuv3.h. The only thing left in
arch/arm64 is some mundane perf stuff.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Zaid Al-Bassam <zalbassam@google.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230317195027.3746949-2-zalbassam@google.com
Signed-off-by: Will Deacon <will@kernel.org>

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This commit is contained in:

Marc Zyngier 2023-03-17 15:50:20 -04:00 • committed by Will Deacon

parent e8d018dd02

commit 7755cec63a

8 changed files with 1739 additions and 1718 deletions

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2

include/kvm/arm_pmu.h

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258

include/linux/perf/arm_pmuv3.h

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