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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-02-07 01:35:36 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-02-09 05:51:21 +0100 |
| commit | f83e6862047e1e371bdc5d512dd6cabe8a3965b8 (patch) | |
| tree | bccad1dfc0b25d5dc810a00e950468a80b2643f3 /arch/powerpc/sysdev | |
| parent | powerpc/powernv: Fix CPU hotplug to handle waking on HVI (diff) | |
| download | linux-f83e6862047e1e371bdc5d512dd6cabe8a3965b8.tar.xz linux-f83e6862047e1e371bdc5d512dd6cabe8a3965b8.zip | |
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>
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/xics/icp-opal.c | 6 |
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(); } |