KVM: arm64: Advertise support for FEAT_DoubleFault2

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

KVM's external abort injection now respects the exception routing
wreckage due to FEAT_DoubleFault2. Advertise the feature.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-23-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>

Oliver Upton 9 months ago a3c4a00d 075c2dc7

-2

1 changed file

expand all

arch

arm64

kvm

sys_regs.c

-2

arch/arm64/kvm/sys_regs.c

··· 1613 1613 val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_GCS); 1614 1614 val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_THE); 1615 1615 val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_MTEX); 1616 - val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_DF2); 1617 1616 val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_PFAR); 1618 1617 val &= ~ARM64_FEATURE_MASK(ID_AA64PFR1_EL1_MPAM_frac); 1619 1618 break; ··· 2883 2884 ID_AA64PFR0_EL1_FP)), 2884 2885 ID_FILTERED(ID_AA64PFR1_EL1, id_aa64pfr1_el1, 2885 2886 ~(ID_AA64PFR1_EL1_PFAR | 2886 - ID_AA64PFR1_EL1_DF2 | 2887 2887 ID_AA64PFR1_EL1_MTEX | 2888 2888 ID_AA64PFR1_EL1_THE | 2889 2889 ID_AA64PFR1_EL1_GCS |