[PATCH v11 39/40] kselftest/arm64: Add coverage for the ZA ptrace interface

[Catalin Marinas]

On Mon, Feb 07, 2022 at 03:21:08PM +0000, Mark Brown wrote:
> Add some basic coverage for the ZA ptrace interface, including walking
> through all the vector lengths supported in the system.  Unlike SVE
> doing syscalls does not discard the ZA state so when we set data in ZA
> we run the child process briefly, having it add one to each byte in ZA
> in order to validate that both the vector size and data are being read
> and written as expected when the process runs.
> 
> Signed-off-by: Mark Brown <broonie at kernel.org>

Acked-by: Catalin Marinas <catalin.marinas at arm.com>