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authorLinus Torvalds <torvalds@linux-foundation.org>2014-09-06 23:42:12 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2014-09-06 23:42:12 (GMT)
commit2b12164b55e76e421c069de2cdf6b04c077983f1 (patch)
treec69425aaef9da5ef21d79eb6f0ba51334b64fd00 /arch/arm64
parent56c228546ed866d46cf957674f7ecb39eb2b2b56 (diff)
parent02a68d0503fa470abff8852e10b1890df5730a08 (diff)
downloadlinux-2b12164b55e76e421c069de2cdf6b04c077983f1.tar.xz
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini: "A smattering of bug fixes across most architectures" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: powerpc/kvm/cma: Fix panic introduces by signed shift operation KVM: s390/mm: Fix guest storage key corruption in ptep_set_access_flags KVM: s390/mm: Fix storage key corruption during swapping arm/arm64: KVM: Complete WFI/WFE instructions ARM/ARM64: KVM: Nuke Hyp-mode tlbs before enabling MMU KVM: s390/mm: try a cow on read only pages for key ops KVM: s390: Fix user triggerable bug in dead code
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/kvm/handle_exit.c2
-rw-r--r--arch/arm64/kvm/hyp-init.S4
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kvm/handle_exit.c b/arch/arm64/kvm/handle_exit.c
index e28be51..34b8bd0 100644
--- a/arch/arm64/kvm/handle_exit.c
+++ b/arch/arm64/kvm/handle_exit.c
@@ -66,6 +66,8 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run)
else
kvm_vcpu_block(vcpu);
+ kvm_skip_instr(vcpu, kvm_vcpu_trap_il_is32bit(vcpu));
+
return 1;
}
diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S
index d968796..c319116 100644
--- a/arch/arm64/kvm/hyp-init.S
+++ b/arch/arm64/kvm/hyp-init.S
@@ -80,6 +80,10 @@ __do_hyp_init:
msr mair_el2, x4
isb
+ /* Invalidate the stale TLBs from Bootloader */
+ tlbi alle2
+ dsb sy
+
mrs x4, sctlr_el2
and x4, x4, #SCTLR_EL2_EE // preserve endianness of EL2
ldr x5, =SCTLR_EL2_FLAGS