Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-02-05 Thread Michael Ellerman
Michael Bringmann writes: > See below. > > On 1/31/19 3:53 PM, Michael Bringmann wrote: >> On 1/30/19 11:38 PM, Michael Ellerman wrote: >>> Michael Bringmann writes: This patch is to check for cede'ed CPUs during LPM. Some extreme tests encountered a problem ehere Linux has put some th

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-02-05 Thread Michael Ellerman
Tyrel Datwyler writes: > On 01/31/2019 02:21 PM, Tyrel Datwyler wrote: >> On 01/31/2019 01:53 PM, Michael Bringmann wrote: >>> On 1/30/19 11:38 PM, Michael Ellerman wrote: Michael Bringmann writes: > This patch is to check for cede'ed CPUs during LPM. Some extreme > tests encountere

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-02-01 Thread Michael Bringmann
See below. On 1/31/19 3:53 PM, Michael Bringmann wrote: > On 1/30/19 11:38 PM, Michael Ellerman wrote: >> Michael Bringmann writes: >>> This patch is to check for cede'ed CPUs during LPM. Some extreme >>> tests encountered a problem ehere Linux has put some threads to >>> sleep (possibly to save

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-01-31 Thread Tyrel Datwyler
On 01/31/2019 02:21 PM, Tyrel Datwyler wrote: > On 01/31/2019 01:53 PM, Michael Bringmann wrote: >> On 1/30/19 11:38 PM, Michael Ellerman wrote: >>> Michael Bringmann writes: This patch is to check for cede'ed CPUs during LPM. Some extreme tests encountered a problem ehere Linux has put

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-01-31 Thread Michael Bringmann
On 1/31/19 4:21 PM, Tyrel Datwyler wrote: > On 01/31/2019 01:53 PM, Michael Bringmann wrote: >> On 1/30/19 11:38 PM, Michael Ellerman wrote: >>> Michael Bringmann writes: This patch is to check for cede'ed CPUs during LPM. Some extreme tests encountered a problem ehere Linux has put som

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-01-31 Thread Tyrel Datwyler
On 01/31/2019 01:53 PM, Michael Bringmann wrote: > On 1/30/19 11:38 PM, Michael Ellerman wrote: >> Michael Bringmann writes: >>> This patch is to check for cede'ed CPUs during LPM. Some extreme >>> tests encountered a problem ehere Linux has put some threads to >>> sleep (possibly to save energy

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-01-31 Thread Michael Bringmann
On 1/30/19 11:38 PM, Michael Ellerman wrote: > Michael Bringmann writes: >> This patch is to check for cede'ed CPUs during LPM. Some extreme >> tests encountered a problem ehere Linux has put some threads to >> sleep (possibly to save energy or something), LPM was attempted, >> and the Linux kern

Re: [PATCH v02] powerpc/pseries: Check for ceded CPU's during LPAR migration

2019-01-30 Thread Michael Ellerman
Michael Bringmann writes: > This patch is to check for cede'ed CPUs during LPM. Some extreme > tests encountered a problem ehere Linux has put some threads to > sleep (possibly to save energy or something), LPM was attempted, > and the Linux kernel didn't awaken the sleeping threads, but issued >