diff mbox series

[v2,1/5] KVM: arm64: Don't zero VTTBR in __tlb_switch_to_host()

Message ID 20231012205422.3924618-2-oliver.upton@linux.dev (mailing list archive)
State New, archived
Headers show
Series KVM: arm64: Load stage-2 in vcpu_load() on VHE | expand

Commit Message

Oliver Upton Oct. 12, 2023, 8:54 p.m. UTC 
HCR_EL2.TGE=0 is sufficient to disable stage-2 translation, so there's
no need to explicitly zero VTTBR_EL2.

Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
---
 arch/arm64/kvm/hyp/vhe/tlb.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm64/kvm/hyp/vhe/tlb.c b/arch/arm64/kvm/hyp/vhe/tlb.c
index 46bd43f61d76..f3f2e142e4f4 100644
--- a/arch/arm64/kvm/hyp/vhe/tlb.c
+++ b/arch/arm64/kvm/hyp/vhe/tlb.c
@@ -66,7 +66,6 @@  static void __tlb_switch_to_host(struct tlb_inv_context *cxt)
 	 * We're done with the TLB operation, let's restore the host's
 	 * view of HCR_EL2.
 	 */
-	write_sysreg(0, vttbr_el2);
 	write_sysreg(HCR_HOST_VHE_FLAGS, hcr_el2);
 	isb();