Re: [PATCH] arm_pmu: Validate single/group leader events
From: Will Deacon
Date: Wed Apr 13 2022 - 07:46:29 EST
On Fri, 8 Apr 2022 15:33:30 -0500, Rob Herring wrote:
> In the case where there is only a cycle counter available (i.e.
> PMCR_EL0.N is 0) and an event other than CPU cycles is opened, the open
> should fail as the event can never possibly be scheduled. However, the
> event validation when an event is opened is skipped when the group
> leader is opened. Fix this by always validating the group leader events.
>
>
> [...]
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm_pmu: Validate single/group leader events
https://git.kernel.org/arm64/c/e5c23779f93d
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev