diff options
Diffstat (limited to 'arch/powerpc/sysdev/xics')
| -rw-r--r-- | arch/powerpc/sysdev/xics/icp-native.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c index 89db29d17c25..7cd728b3b5e4 100644 --- a/arch/powerpc/sysdev/xics/icp-native.c +++ b/arch/powerpc/sysdev/xics/icp-native.c @@ -51,6 +51,12 @@ static struct icp_ipl __iomem *icp_native_regs[NR_CPUS]; static inline unsigned int icp_native_get_xirr(void) { int cpu = smp_processor_id(); + unsigned int xirr; + + /* Handled an interrupt latched by KVM */ + xirr = kvmppc_get_xics_latch(); + if (xirr) + return xirr; return in_be32(&icp_native_regs[cpu]->xirr.word); } @@ -138,6 +144,7 @@ static unsigned int icp_native_get_irq(void) static void icp_native_cause_ipi(int cpu, unsigned long data) { + kvmppc_set_host_ipi(cpu, 1); icp_native_set_qirr(cpu, IPI_PRIORITY); } @@ -151,6 +158,7 @@ static irqreturn_t icp_native_ipi_action(int irq, void *dev_id) { int cpu = smp_processor_id(); + kvmppc_set_host_ipi(cpu, 0); icp_native_set_qirr(cpu, 0xff); return smp_ipi_demux(); |