[PATCH] arm64/ptrace: Clarify documentation of VL configuration via ptrace

Catalin Marinas catalin.marinas at arm.com
Tue Nov 12 08:10:19 PST 2024


On Wed, 06 Nov 2024 17:41:32 +0000, Mark Brown wrote:
> When we configure SVE, SSVE or ZA via ptrace we allow the user to configure
> the vector length and specify any of the flags that are accepted when
> configuring via prctl(). This includes the S[VM]E_SET_VL_ONEXEC flag which
> defers the configuration of the VL until an exec(). We don't do anything to
> limit the provision of register data as part of configuring the _ONEXEC VL
> but as a function of the VL enumeration support we do this will be
> interpreted using the vector length currently configured for the process.
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64/ptrace: Clarify documentation of VL configuration via ptrace
      https://git.kernel.org/arm64/c/c0139f6cbb1f

-- 
Catalin




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