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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2018-01-12 03:37:16 +0100
committerPaul Mackerras <paulus@ozlabs.org>2018-01-19 02:10:21 +0100
commit9b9b13a6d1537ddc4caccd6f1c41b78edbc08437 (patch)
tree6f276be60ff3f994a9c2bd47b1ff2afcbc734586 /arch/powerpc/kvm/book3s_pr.c
parentKVM: PPC: Book3S HV: Make xive_pushed a byte, not a word (diff)
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KVM: PPC: Book3S HV: Keep XIVE escalation interrupt masked unless ceded
This works on top of the single escalation support. When in single escalation, with this change, we will keep the escalation interrupt disabled unless the VCPU is in H_CEDE (idle). In any other case, we know the VCPU will be rescheduled and thus there is no need to take escalation interrupts in the host whenever a guest interrupt fires. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/powerpc/kvm/book3s_pr.c')
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