From: Marc Zyngier Date: Wed, 1 Apr 2026 10:36:09 +0000 (+0100) Subject: KVM: arm64: Correctly plumb ID_AA64PFR2_EL1 into pkvm idreg handling X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=be46a408f376df31762e8a9914dc6d082755e686;p=thirdparty%2Fkernel%2Flinux.git KVM: arm64: Correctly plumb ID_AA64PFR2_EL1 into pkvm idreg handling While we now compute ID_AA64PFR2_EL1 to a glorious 0, we never use that data and instead return the 0 that corresponds to an allocated idreg. Not a big deal, but we might as well be consistent. Reviewed-by: Sascha Bischoff Fixes: 5aefaf11f9af5 ("KVM: arm64: gic: Hide GICv5 for protected guests") Link: https://sashiko.dev/#/patchset/20260319154937.3619520-1-sascha.bischoff%40arm.com Link: https://patch.msgid.link/20260401103611.357092-15-maz@kernel.org Signed-off-by: Marc Zyngier --- diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c index b40fd01ebf329..be6f420388a14 100644 --- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c +++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c @@ -439,7 +439,7 @@ static const struct sys_reg_desc pvm_sys_reg_descs[] = { /* CRm=4 */ AARCH64(SYS_ID_AA64PFR0_EL1), AARCH64(SYS_ID_AA64PFR1_EL1), - ID_UNALLOCATED(4,2), + AARCH64(SYS_ID_AA64PFR2_EL1), ID_UNALLOCATED(4,3), AARCH64(SYS_ID_AA64ZFR0_EL1), ID_UNALLOCATED(4,5),