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authorGleb Natapov <gleb@redhat.com>2013-04-28 12:50:07 +0300
committerGleb Natapov <gleb@redhat.com>2013-04-28 12:50:07 +0300
commit064d1afaa5a60fc391d0b4b77599fc8f63f99cd3 (patch)
tree2e640cdfa50b0048c52e021f07a8b24560251b26 /arch/powerpc/sysdev/xics/icp-native.c
parent730dca42c1d363c939da18c1499c7327c66e2b37 (diff)
parent8b78645c93b5d469e8006d68dbc92edc2640c654 (diff)
Merge git://github.com/agraf/linux-2.6.git kvm-ppc-next into queue
Diffstat (limited to 'arch/powerpc/sysdev/xics/icp-native.c')
-rw-r--r--arch/powerpc/sysdev/xics/icp-native.c8
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 48861d3fcd0..20b328bb494 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();