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Commit f83e6862 authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt Committed by Michael Ellerman
Browse files

powerpc/powernv: Properly set "host-ipi" on IPIs 



Otherwise KVM will fail to pass them through to the host

Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 9b256714

arch/powerpc/sysdev/xics/icp-opal.c

+4 −2
Original line number Diff line number Diff line
@@ -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();

}