[PATCH] arm64: Expose ID_AA64ISAR1_EL1.XS to sanitised feature consumers

Catalin Marinas catalin.marinas at arm.com
Fri Nov 1 08:35:41 PDT 2024


On Thu, Oct 31, 2024 at 08:35:19AM +0000, Marc Zyngier wrote:
> Despite KVM now being able to deal with XS-tagged TLBIs, we still don't
> expose these feature bits to KVM.
> 
> Plumb in the feature in ID_AA64ISAR1_EL1.
> 
> Fixes: 0feec7769a63 ("KVM: arm64: nv: Add handling of NXS-flavoured TLBI operations")
> Signed-off-by: Marc Zyngier <maz at kernel.org>

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

Happy for this to go in as a fix via the kvm tree but let me know if I
should pick it up instead.

-- 
Catalin



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