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Two bugfixes for arm64. I will have another pull request next week,

Browse source 
but otherwise things are calm.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Two bugfixes for arm64.  I will have another pull request next week,
  but otherwise things are calm"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  arm64: KVM: Fix HCR setting for 32bit guests
  arm64: KVM: Fix TLB invalidation by IPA/VMID
This commit is contained in:
Linus Torvalds 2015-01-15 10:54:30 +13:00
commit 48c53db220
3 changed files with 3 additions and 1 deletions
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2
arch/arm64/include/asm/kvm_emulate.h
View file

@ -41,6 +41,8 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu)
{
vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS;
if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features))
vcpu->arch.hcr_el2 &= ~HCR_RW;
}
static inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu)

1
arch/arm64/kvm/hyp.S
View file

@ -1014,6 +1014,7 @@ ENTRY(__kvm_tlb_flush_vmid_ipa)
* Instead, we invalidate Stage-2 for this IPA, and the
* whole of Stage-1. Weep...
*/
lsr x1, x1, #12
tlbi ipas2e1is, x1
/*
* We have to ensure completion of the invalidation at Stage-2,

1
arch/arm64/kvm/reset.c
View file

@ -90,7 +90,6 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
if (!cpu_has_32bit_el1())
return -EINVAL;
cpu_reset = &default_regs_reset32;
vcpu->arch.hcr_el2 &= ~HCR_RW;
} else {
cpu_reset = &default_regs_reset;
}