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authorMarc Zyngier <maz@kernel.org>2024-01-22 21:13:42 +0300
committerOliver Upton <oliver.upton@linux.dev>2024-02-08 18:12:45 +0300
commitc21df6e43f0ed51903738ee34cdb2ec2f978024d (patch)
treef285dbf59f74f014fed3748eadbd79f06acbd7c8 /arch/arm64/kvm/sys_regs.c
parent3944382fa6f22b54fd399632b1af92c28123979b (diff)
downloadlinux-c21df6e43f0ed51903738ee34cdb2ec2f978024d.tar.xz
KVM: arm64: Expose ID_AA64MMFR4_EL1 to guests
We can now expose ID_AA64MMFR4_EL1 to guests, and let NV guests understand that they cannot really switch HCR_EL2.E2H to 0 on some platforms. Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240122181344.258974-9-maz@kernel.org Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/kvm/sys_regs.c')
-rw-r--r--arch/arm64/kvm/sys_regs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 88b8fbeafaa0..08a9571fa809 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -2350,7 +2350,7 @@ static const struct sys_reg_desc sys_reg_descs[] = {
ID_AA64MMFR2_EL1_NV |
ID_AA64MMFR2_EL1_CCIDX)),
ID_SANITISED(ID_AA64MMFR3_EL1),
- ID_UNALLOCATED(7,4),
+ ID_SANITISED(ID_AA64MMFR4_EL1),
ID_UNALLOCATED(7,5),
ID_UNALLOCATED(7,6),
ID_UNALLOCATED(7,7),