redonkable/alistair23-linux
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Merge branch 'kvm-ppc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master

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Two commits which fix host crashes.

Signed-off-by: Paolo BOnzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2017-07-26 15:19:01 +02:00
parent 1d518c6820 ef42719814
commit 7b5e0a4e82
2 changed files with 5 additions and 1 deletions
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4
arch/powerpc/kvm/book3s_64_mmu_hv.c
View file

@ -164,8 +164,10 @@ long kvmppc_alloc_reset_hpt(struct kvm *kvm, int order)
goto out;
}
if (kvm->arch.hpt.virt)
if (kvm->arch.hpt.virt) {
kvmppc_free_hpt(&kvm->arch.hpt);
kvmppc_rmap_reset(kvm);
}
err = kvmppc_allocate_hpt(&info, order);
if (err < 0)

2
arch/powerpc/kvm/book3s_hv.c
View file

@ -3211,6 +3211,8 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
run->fail_entry.hardware_entry_failure_reason = 0;
return -EINVAL;
}
/* Enable TM so we can read the TM SPRs */
mtmsr(mfmsr() | MSR_TM);
current->thread.tm_tfhar = mfspr(SPRN_TFHAR);
current->thread.tm_tfiar = mfspr(SPRN_TFIAR);
current->thread.tm_texasr = mfspr(SPRN_TEXASR);