[PATCH v2] arm64: cpufeature: Warn if we attempt to read a zero width field
Will Deacon
will at kernel.org
Mon Mar 7 14:03:28 PST 2022
On Mon, 7 Mar 2022 18:08:59 +0000, Mark Brown wrote:
> Add a WARN_ON_ONCE() when extracting a field if no width is specified. This
> should never happen outside of development since it will be triggered with
> or without the feature so long as the relevant ID register is present. If
> the warning triggers hope that the field was the standard 4 bits wide and
> soldier on.
>
>
> [...]
Applied to arm64 (for-next/fpsimd), thanks!
[1/1] arm64: cpufeature: Warn if we attempt to read a zero width field
https://git.kernel.org/arm64/c/f2c281204b47
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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