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authorMarc Zyngier <maz@kernel.org>2020-10-26 09:51:11 +0000
committerMarc Zyngier <maz@kernel.org>2020-10-29 19:49:03 +0000
commitd2782505fbe3055f983c772a448ac5cb419f9df7 (patch)
treef9abcc688110e6df6f5ff239e14447afb41968da /arch
parentb6d6db4de86f5b1be9bbe59c73302538301915c7 (diff)
downloadlinux-stericsson-d2782505fbe3055f983c772a448ac5cb419f9df7.tar.gz
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 <maz@kernel.org> Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com> Link: https://lore.kernel.org/r/20201026095116.72051-4-maz@kernel.org
Diffstat (limited to 'arch')
-rw-r--r--arch/arm64/kvm/hyp/nvhe/host.S2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/host.S b/arch/arm64/kvm/hyp/nvhe/host.S
index ff9a0f547b9f..ed27f06a31ba 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)]