Re: [PATCH v10 08/40] arm64/gcs: Provide put_user_gcs()

From: Catalin Marinas
Date: Fri Aug 16 2024 - 07:13:22 EST


On Thu, Aug 01, 2024 at 01:06:35PM +0100, Mark Brown wrote:
> In order for EL1 to write to an EL0 GCS it must use the GCSSTTR instruction
> rather than a normal STTR. Provide a put_user_gcs() which does this.
>
> Reviewed-by: Thiago Jung Bauermann <thiago.bauermann@xxxxxxxxxx>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>

Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>