| Message ID | 1486427736.4850.103.camel@kernel.crashing.org (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
> Otherwise KVM will fail to pass them through to the host
OK, so this is:
Fixes: d74361881f0d ("powerpc/xics: Add ICP OPAL backend")
But seeing as the KVM support is only going into v4.11, I won't tag it
for stable.
Paul do you want me to put this in the topic branch?
cheers
On Tue, 2017-02-07 at 00:35:36 UTC, Benjamin Herrenschmidt wrote: > Otherwise KVM will fail to pass them through to the host > > Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Applied to powerpc fixes, thanks. https://git.kernel.org/powerpc/c/f83e6862047e1e371bdc5d512dd6ca cheers
diff --git a/arch/powerpc/sysdev/xics/icp-opal.c b/arch/powerpc/sysdev/xics/icp-opal.c index c96c0cb..f9670ea 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(); }
Otherwise KVM will fail to pass them through to the host Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> --- arch/powerpc/sysdev/xics/icp-opal.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)