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| author | Marc Zyngier <maz@kernel.org> | 2021-11-26 11:36:43 +0000 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-12-01 13:11:22 +0000 |
| commit | 00e228b31596c6bf5f08b5ef76f80cb26e620f02 (patch) | |
| tree | 8378343e10643acd94b838a1f7daddc28cc0f598 /arch/arm64/include | |
| parent | d58071a8a76d779eedab38033ae4c821c30295a5 (diff) | |
| download | linux-00e228b31596c6bf5f08b5ef76f80cb26e620f02.tar.bz2 | |
KVM: arm64: Add minimal handling for the ARMv8.7 PMU
When running a KVM guest hosted on an ARMv8.7 machine, the host
kernel complains that it doesn't know about the architected number
of events.
Fix it by adding the PMUver code corresponding to PMUv3 for ARMv8.7.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Tested-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211126115533.217903-1-maz@kernel.org
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/sysreg.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 16b3f1a1d468..615dd6278f8b 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -937,6 +937,7 @@ #define ID_AA64DFR0_PMUVER_8_1 0x4 #define ID_AA64DFR0_PMUVER_8_4 0x5 #define ID_AA64DFR0_PMUVER_8_5 0x6 +#define ID_AA64DFR0_PMUVER_8_7 0x7 #define ID_AA64DFR0_PMUVER_IMP_DEF 0xf #define ID_AA64DFR0_PMSVER_8_2 0x1 |