diff mbox series

[v2,10/19] KVM: arm64: expose ID_AA64MMFR3_EL1 to guests

Message ID 20230413110513.243326-11-joey.gouly@arm.com (mailing list archive)
State New, archived
Headers show
Series Permission Indirection Extension | expand

Commit Message

Joey Gouly April 13, 2023, 11:05 a.m. UTC 
Now that KVM context switches the appropriate registers, expose ID_AA64MMFR3_EL1
to guests to allow them to use the new features.

Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
---
 arch/arm64/kvm/sys_regs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Catalin Marinas April 13, 2023, 4:15 p.m. UTC | #1 
On Thu, Apr 13, 2023 at 12:05:04PM +0100, Joey Gouly wrote:
> Now that KVM context switches the appropriate registers, expose ID_AA64MMFR3_EL1
> to guests to allow them to use the new features.
> 
> Signed-off-by: Joey Gouly <joey.gouly@arm.com>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Oliver Upton <oliver.upton@linux.dev>
> Cc: James Morse <james.morse@arm.com>
> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> Cc: Zenghui Yu <yuzenghui@huawei.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
diff mbox series

Patch

diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 6e92821b0bea..e98d8daa95de 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -1851,7 +1851,7 @@  static const struct sys_reg_desc sys_reg_descs[] = {
 	ID_SANITISED(ID_AA64MMFR0_EL1),
 	ID_SANITISED(ID_AA64MMFR1_EL1),
 	ID_SANITISED(ID_AA64MMFR2_EL1),
-	ID_UNALLOCATED(7,3),
+	ID_SANITISED(ID_AA64MMFR3_EL1),
 	ID_UNALLOCATED(7,4),
 	ID_UNALLOCATED(7,5),
 	ID_UNALLOCATED(7,6),