Messages in this thread | | | From | Will Deacon <> | Subject | Re: [PATCH] arm64: perf: Fix 64-bit event counter read truncation | Date | Wed, 10 Mar 2021 11:39:19 +0000 |
| |
On Tue, 9 Mar 2021 17:44:12 -0700, Rob Herring wrote: > Commit 0fdf1bb75953 ("arm64: perf: Avoid PMXEV* indirection") changed > armv8pmu_read_evcntr() to return a u32 instead of u64. The result is > silent truncation of the event counter when using 64-bit counters. Given > the offending commit appears to have passed thru several folks, it seems > likely this was a bad rebase after v8.5 PMU 64-bit counters landed.
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: perf: Fix 64-bit event counter read truncation https://git.kernel.org/arm64/c/7bb8bc6eb550
Cheers, -- Will
https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
| |