Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Brian King
On 04/21/2010 05:49 PM, Michael Neuling wrote: > In message <4bcf78e5.9020...@linux.vnet.ibm.com> you wrote: >> On 04/21/2010 04:03 PM, Michael Neuling wrote: >>> In message <4bcf029b.1020...@linux.vnet.ibm.com> you wrote: On 04/21/2010 08:35 AM, Michael Ellerman wrote: > On Tue, 2010-04-2

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Michael Neuling
In message <4bcf78e5.9020...@linux.vnet.ibm.com> you wrote: > On 04/21/2010 04:03 PM, Michael Neuling wrote: > > In message <4bcf029b.1020...@linux.vnet.ibm.com> you wrote: > >> On 04/21/2010 08:35 AM, Michael Ellerman wrote: > >>> On Tue, 2010-04-20 at 22:15 -0500, Brian King wrote: > On 04/2

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Brian King
On 04/21/2010 04:03 PM, Michael Neuling wrote: > In message <4bcf029b.1020...@linux.vnet.ibm.com> you wrote: >> On 04/21/2010 08:35 AM, Michael Ellerman wrote: >>> On Tue, 2010-04-20 at 22:15 -0500, Brian King wrote: On 04/20/2010 09:04 PM, Michael Neuling wrote: > In message <201004210154

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Michael Neuling
In message <4bcf029b.1020...@linux.vnet.ibm.com> you wrote: > On 04/21/2010 08:35 AM, Michael Ellerman wrote: > > On Tue, 2010-04-20 at 22:15 -0500, Brian King wrote: > >> On 04/20/2010 09:04 PM, Michael Neuling wrote: > >>> In message <201004210154.o3l1sxar001...@d01av04.pok.ibm.com> you wrote: >

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Brian King
On 04/21/2010 08:35 AM, Michael Ellerman wrote: > On Tue, 2010-04-20 at 22:15 -0500, Brian King wrote: >> On 04/20/2010 09:04 PM, Michael Neuling wrote: >>> In message <201004210154.o3l1sxar001...@d01av04.pok.ibm.com> you wrote: Since there is nothing to stop an IPI from occurring to an >

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-21 Thread Michael Ellerman
On Tue, 2010-04-20 at 22:15 -0500, Brian King wrote: > On 04/20/2010 09:04 PM, Michael Neuling wrote: > > In message <201004210154.o3l1sxar001...@d01av04.pok.ibm.com> you wrote: > >> > >> Since there is nothing to stop an IPI from occurring to an > >> offline CPU, rather than printing a warning to

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-20 Thread Brian King
On 04/20/2010 09:04 PM, Michael Neuling wrote: > In message <201004210154.o3l1sxar001...@d01av04.pok.ibm.com> you wrote: >> >> Since there is nothing to stop an IPI from occurring to an >> offline CPU, rather than printing a warning to the logs, >> just ignore the IPI. This was seen while stress te

Re: [PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-20 Thread Michael Neuling
In message <201004210154.o3l1sxar001...@d01av04.pok.ibm.com> you wrote: > > Since there is nothing to stop an IPI from occurring to an > offline CPU, rather than printing a warning to the logs, > just ignore the IPI. This was seen while stress testing > SMT enable/disable. This seems like a recip

[PATCH 1/1] powerpc: Ignore IPIs to offline CPUs

2010-04-20 Thread Brian King
Since there is nothing to stop an IPI from occurring to an offline CPU, rather than printing a warning to the logs, just ignore the IPI. This was seen while stress testing SMT enable/disable. Signed-off-by: Brian King --- arch/powerpc/platforms/pseries/xics.c |3 ++- 1 file changed, 2 inse