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KVM: arm64: Don't zero VTTBR in __tlb_switch_to_host()

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HCR_EL2.TGE=0 is sufficient to disable stage-2 translation, so there's
no need to explicitly zero VTTBR_EL2.

Link: https://lore.kernel.org/r/20231018233212.2888027-2-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton
2023-10-18 23:32:08 +00:00
parent 6465e260f4
commit 38ce26bf26
1 changed files with 0 additions and 1 deletions
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1
arch/arm64/kvm/hyp/vhe/tlb.c
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@@ -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();