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authorPaolo Bonzini <pbonzini@redhat.com>2016-07-11 18:10:06 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2016-07-11 18:10:06 +0200
commit6d5315b3a60cc9b136b86b4dafeb73bf272d24c0 (patch)
treee84da27738b855bd268fec8f1ae23cec5f019dab /arch/powerpc/kvm/book3s_pr.c
parent8391ce447f18476273331399a7f5930e5494bf46 (diff)
parentfd7bacbca47a86a6f418440d8a5d7b7edbb2f8f9 (diff)
Merge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD
Diffstat (limited to 'arch/powerpc/kvm/book3s_pr.c')
-rw-r--r--arch/powerpc/kvm/book3s_pr.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 6a66c5ff0827..b6cd730c33ef 100644
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -1049,7 +1049,17 @@ int kvmppc_handle_exit_pr(struct kvm_run *run, struct kvm_vcpu *vcpu,
int emul;
program_interrupt:
- flags = vcpu->arch.shadow_srr1 & 0x1f0000ull;
+ /*
+ * shadow_srr1 only contains valid flags if we came here via
+ * a program exception. The other exceptions (emulation assist,
+ * FP unavailable, etc.) do not provide flags in SRR1, so use
+ * an illegal-instruction exception when injecting a program
+ * interrupt into the guest.
+ */
+ if (exit_nr == BOOK3S_INTERRUPT_PROGRAM)
+ flags = vcpu->arch.shadow_srr1 & 0x1f0000ull;
+ else
+ flags = SRR1_PROGILL;
emul = kvmppc_get_last_inst(vcpu, INST_GENERIC, &last_inst);
if (emul != EMULATE_DONE) {