diff options
| author | Marc Zyngier <[email protected]> | 2020-10-26 09:51:11 +0000 |
|---|---|---|
| committer | Marc Zyngier <[email protected]> | 2020-10-29 19:49:03 +0000 |
| commit | d2782505fbe3055f983c772a448ac5cb419f9df7 (patch) | |
| tree | f9abcc688110e6df6f5ff239e14447afb41968da | |
| parent | b6d6db4de86f5b1be9bbe59c73302538301915c7 (diff) | |
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 <[email protected]>
Reviewed-by: Vladimir Murzin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | arch/arm64/kvm/hyp/nvhe/host.S | 2 |
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)] |