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authorKristina Martsenko <kristina.martsenko@arm.com>2023-05-09 15:22:29 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2023-06-05 17:05:31 +0100
commitb1319c0e955933eae918a8a95c5361378ca86968 (patch)
tree5cb8845e718eeccec9aa599e77a87962035eea03 /arch/arm64/include/asm/kvm_arm.h
parentf32c053b9806e42209d40e9ce7ed6f7f8be3be3b (diff)
arm64: mops: don't disable host MOPS instructions from EL2
To allow nVHE host EL0 and EL1 to use FEAT_MOPS instructions, configure EL2 to not cause these instructions to be treated as UNDEFINED. A VHE host is unaffected by this control. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Kristina Martsenko <kristina.martsenko@arm.com> Link: https://lore.kernel.org/r/20230509142235.3284028-6-kristina.martsenko@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/kvm_arm.h')
-rw-r--r--arch/arm64/include/asm/kvm_arm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 7bb2fbddda54..d2d4f4cd12b8 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -94,7 +94,7 @@
#define HCR_HOST_VHE_FLAGS (HCR_RW | HCR_TGE | HCR_E2H)
#define HCRX_GUEST_FLAGS (HCRX_EL2_SMPME)
-#define HCRX_HOST_FLAGS 0
+#define HCRX_HOST_FLAGS (HCRX_EL2_MSCEn)
/* TCR_EL2 Registers bits */
#define TCR_EL2_RES1 ((1U << 31) | (1 << 23))