[PATCH] arm64: perf: Fix 64-bit event counter read truncation

[Will Deacon]

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
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