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| author | Ionela Voinescu <ionela.voinescu@arm.com> | 2020-03-05 10:06:21 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2020-03-06 17:02:49 +0100 |
| commit | 2c9d45b43c39e26fd2a73f2203321cdaee98b58b (patch) | |
| tree | 296a8b9aea33f75c713c408765ffe935bad920bd /arch/riscv | |
| parent | Linux 5.6-rc3 (diff) | |
| download | linux-2c9d45b43c39e26fd2a73f2203321cdaee98b58b.tar.xz linux-2c9d45b43c39e26fd2a73f2203321cdaee98b58b.zip | |
arm64: add support for the AMU extension v1
The activity monitors extension is an optional extension introduced
by the ARMv8.4 CPU architecture. This implements basic support for
version 1 of the activity monitors architecture, AMUv1.
This support includes:
- Extension detection on each CPU (boot, secondary, hotplugged)
- Register interface for AMU aarch64 registers
Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/riscv')
0 files changed, 0 insertions, 0 deletions