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| author |   Oliver Upton <oliver.upton@linux.dev> | 2025-03-05 12:30:40 -0800 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-03-11 12:54:30 -0700 |
| commit | e1231aacb065b2594d6f4833896aedc142fbd1d6 (patch) | |
| tree | eec5c562d7f212f51c510b56202bbe921cb43227 /scripts/lib/kdoc/kdoc_output.py | |
| parent | KVM: arm64: Provide 1 event counter on IMPDEF hardware (diff) | |
| download | linux-rng-e1231aacb065b2594d6f4833896aedc142fbd1d6.tar.xz linux-rng-e1231aacb065b2594d6f4833896aedc142fbd1d6.zip | |
arm64: Enable IMP DEF PMUv3 traps on Apple M*
Apple M1 and M2 CPUs support IMPDEF traps of the PMUv3 sysregs, allowing
a hypervisor to virtualize an architectural PMU for a VM. Flip the
appropriate bit in HACR_EL2 on supporting hardware.
Tested-by: Janne Grunau <j@jannau.net>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250305203040.428448-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_output.py')
0 files changed, 0 insertions, 0 deletions