[PATCH v2 01/10] arm64: Expand ESR_ELx_WFx_ISS_TI to match its ARMv8.7 definition

Catalin Marinas catalin.marinas at arm.com
Wed Apr 20 10:24:51 PDT 2022


On Tue, Apr 19, 2022 at 07:27:46PM +0100, Marc Zyngier wrote:
> Starting with FEAT_WFXT in ARMv8.7, the TI field in the ISS
> that is reported on a WFx trap is expanded by one bit to
> allow the description of WFET and WFIT.
> 
> Special care is taken to exclude the WFxT bit from the mask
> used to match WFI so that it also matches WFIT when trapped from
> EL0.
> 
> Reviewed-by: Joey Gouly <joey.gouly at arm.com>
> Signed-off-by: Marc Zyngier <maz at kernel.org>

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



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