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KVM: PPC: Book3S HV: Fix machine check delivery to guest

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The code that delivered a machine check to the guest after handling
it in real mode failed to load up r11 before calling kvmppc_msr_interrupt,
which needs the old MSR value in r11 so it can see the transactional
state there.  This adds the missing load.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Paul Mackerras 2014-05-26 19:48:41 +10:00 committed by Alexander Graf
parent 9bc01a9bc7
commit 000a25ddb7
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kvm/book3s_hv_rmhandlers.S
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@ -2144,6 +2144,7 @@ machine_check_realmode:
beq mc_cont
/* If not, deliver a machine check. SRR0/1 are already set */
li r10, BOOK3S_INTERRUPT_MACHINE_CHECK
ld r11, VCPU_MSR(r9)
bl kvmppc_msr_interrupt
b fast_interrupt_c_return