From d2782505fbe3055f983c772a448ac5cb419f9df7 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Mon, 26 Oct 2020 09:51:11 +0000 Subject: [PATCH] KVM: arm64: Drop useless PAN setting on host EL1 to EL2 transition Setting PSTATE.PAN when entering EL2 on nVHE doesn't make much sense as this bit only means something for translation regimes that include EL0. This obviously isn't the case in the nVHE case, so let's drop this setting. Signed-off-by: Marc Zyngier Reviewed-by: Vladimir Murzin Link: https://lore.kernel.org/r/20201026095116.72051-4-maz@kernel.org --- arch/arm64/kvm/hyp/nvhe/host.S | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S index ff9a0f547b9f0..ed27f06a31ba2 100644 --- a/arch/arm64/kvm/hyp/nvhe/host.S +++ b/arch/arm64/kvm/hyp/nvhe/host.S @@ -17,8 +17,6 @@ SYM_FUNC_START(__host_exit) get_host_ctxt x0, x1 - ALTERNATIVE(nop, SET_PSTATE_PAN(1), ARM64_HAS_PAN, CONFIG_ARM64_PAN) - /* Store the host regs x2 and x3 */ stp x2, x3, [x0, #CPU_XREG_OFFSET(2)] -- 2.30.2