[PATCH] KVM: arm64: Don't zero the cycle count register when PMCR_EL0.P is set

Marc Zyngier maz at kernel.org
Fri Jun 18 06:21:23 PDT 2021


On Fri, 18 Jun 2021 11:51:39 +0100, Alexandru Elisei wrote:
> According to ARM DDI 0487G.a, page D13-3895, setting the PMCR_EL0.P bit to
> 1 has the following effect:
> 
> "Reset all event counters accessible in the current Exception level, not
> including PMCCNTR_EL0, to zero."
> 
> Similar behaviour is described for AArch32 on page G8-7022. Make it so.

Applied to kvm-arm64/pmu-fixes, thanks!

[1/1] KVM: arm64: Don't zero the cycle count register when PMCR_EL0.P is set
      commit: 2a71fabf6a1bc9162a84e18d6ab991230ca4d588

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.





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