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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-02-07 11:35:36 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-02-09 15:51:21 +1100
commitf83e6862047e1e371bdc5d512dd6cabe8a3965b8 (patch)
treebccad1dfc0b25d5dc810a00e950468a80b2643f3
parent9b256714979fad61ae11d90b53cf67dd5e6484eb (diff)
powerpc/powernv: Properly set "host-ipi" on IPIs
Otherwise KVM will fail to pass them through to the host Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
-rw-r--r--arch/powerpc/sysdev/xics/icp-opal.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/sysdev/xics/icp-opal.c b/arch/powerpc/sysdev/xics/icp-opal.c
index c96c0cb95d87..f9670eabfcfa 100644
--- a/arch/powerpc/sysdev/xics/icp-opal.c
+++ b/arch/powerpc/sysdev/xics/icp-opal.c
@@ -120,14 +120,16 @@ static void icp_opal_cause_ipi(int cpu, unsigned long data)
{
int hw_cpu = get_hard_smp_processor_id(cpu);
+ kvmppc_set_host_ipi(cpu, 1);
opal_int_set_mfrr(hw_cpu, IPI_PRIORITY);
}
static irqreturn_t icp_opal_ipi_action(int irq, void *dev_id)
{
- int hw_cpu = hard_smp_processor_id();
+ int cpu = smp_processor_id();
- opal_int_set_mfrr(hw_cpu, 0xff);
+ kvmppc_set_host_ipi(cpu, 0);
+ opal_int_set_mfrr(get_hard_smp_processor_id(cpu), 0xff);
return smp_ipi_demux();
}