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(parent: c8b06e3) | patch
arm64: cpufeature: allow for version discrepancy in PMU implementations
authorWill Deacon <will.deacon@arm.com>
Mon, 25 Jul 2016 15:17:52 +0000 (16:17 +0100)
committerWill Deacon <will.deacon@arm.com>
Tue, 10 Jan 2017 14:27:56 +0000 (14:27 +0000)
commitb20d1ba3cf4b99dc47ea3e1102399e4728386783
treef5784c903abb5cfbeb721e66485e27fbe160377ctree | snapshot (tar.gz zip)
parentc8b06e3fddddaae1a87ed479edcb8b3d85caecc7commit | diff
arm64: cpufeature: allow for version discrepancy in PMU implementations

Perf already supports multiple PMU instances for heterogeneous systems,
so there's no need to be strict in the cpufeature checking, particularly
as the PMU extension is optional in the architecture.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/kernel/cpufeature.c diff | blob | blame | history