On Wed, Jun 01, 2022 at 04:26:27PM +0100, Marc Zyngier wrote:
On Wed, 01 Jun 2022 14:51:39 +0100,
Sasha Levin <sashal@xxxxxxxxxx> wrote:
From: Marc Zyngier <maz@xxxxxxxxxx>
[ Upstream commit 6a437208cb942a2dd98f7e1c3fd347ed3d425ffc ]
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@xxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Link: https://lore.kernel.org/r/20220419182755.601427-2-maz@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
Please do not backport this patch. It achieves nothing on its own, and
the kernel isn't broken without it.
I'll drop this and the other ones you've pointed out.
Also, please do not AUTOSEL KVM/arm64 patches that are not tagged with
a Cc stable.
Happily!
--
Thanks,
Sasha
