Re: [PATCH 00/18] KVM: arm64: Support FEAT_PMUv3 on Apple hardware

[Will Deacon]

On Tue, 17 Dec 2024 13:20:30 -0800, Oliver Upton wrote:
> One of the interesting features of some Apple M* parts is an IMPDEF trap
> that routes EL1/EL0 accesses of the PMUv3 registers to EL2. This allows
> a hypervisor to emulate an architectural PMUv3 on top of the IMPDEF PMU
> hardware present in the CPU.
> 
> And if you squint, this _might_ look like a CPU erratum :-)
> 
> [...]

Applied the branch events patch to will (for-next/perf), thanks!

[03/18] drivers/perf: apple_m1: Map generic branch events
        https://git.kernel.org/will/c/4575353d82e2

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev