arm64: KVM: VHE: Clear HCR_TGE when invalidating guest TLBs
When invalidating guest TLBs, special care must be taken to actually shoot the guest TLBs and not the host ones if we're running on a VHE system. This is controlled by the HCR_EL2.TGE bit, which we forget to clear before invalidating TLBs. Address the issue by introducing two wrappers (__tlb_switch_to_guest and __tlb_switch_to_host) that take care of both the VTTBR_EL2 and HCR_EL2.TGE switching. Reported-by:Tomasz Nowicki <tnowicki@caviumnetworks.com> Tested-by:
Tomasz Nowicki <tnowicki@caviumnetworks.com> Reviewed-by:
Christoffer Dall <cdall@linaro.org> Cc: stable@vger.kernel.org Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com>
parent
c1ae3cfa
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