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authorPaolo Bonzini <pbonzini@redhat.com>2017-07-26 15:19:01 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2017-07-26 19:04:56 +0200
commit7b5e0a4e82bf5a451b57586cd4401f0907fcf68c (patch)
treef3a170d3864b407e25c03cca6de9c71b41c06dd3 /arch
parentKVM: LAPIC: Fix reentrancy issues with preempt notifiers (diff)
parentKVM: PPC: Book3S HV: Fix host crash on changing HPT size (diff)
downloadlinux-7b5e0a4e82bf5a451b57586cd4401f0907fcf68c.tar.xz
linux-7b5e0a4e82bf5a451b57586cd4401f0907fcf68c.zip
Merge branch 'kvm-ppc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into kvm-master
Two commits which fix host crashes. Signed-off-by: Paolo BOnzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kvm/book3s_64_mmu_hv.c4
-rw-r--r--arch/powerpc/kvm/book3s_hv.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 8cb0190e2a73..b42812e014c0 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -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)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 0b436df746fc..359c79cdf0cc 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -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);