Re: [PATCH] powerpc: Bring all threads online prior to migration/hibernation

2013-05-01 Thread Nathan Fontenot
On 04/26/2013 04:32 PM, Robert Jennings wrote: With this patch before a migration/hibernation all threads present but not online will be brought online. After migration/hibernation those threads are taken back offline. During migration/hibernation all online CPUs must call H_JOIN, this is

Re: [PATCH] powerpc: Bring all threads online prior to migration/hibernation

2013-05-01 Thread Srivatsa S. Bhat
On 04/27/2013 03:02 AM, Robert Jennings wrote: With this patch before a migration/hibernation all threads present but not online will be brought online. After migration/hibernation those threads are taken back offline. During migration/hibernation all online CPUs must call H_JOIN, this is

Re: [PATCH] powerpc: Bring all threads online prior to migration/hibernation

2013-05-01 Thread Benjamin Herrenschmidt
On Wed, 2013-05-01 at 10:25 -0500, Nathan Fontenot wrote: On 04/26/2013 04:32 PM, Robert Jennings wrote: With this patch before a migration/hibernation all threads present but not online will be brought online. After migration/hibernation those threads are taken back offline. During

Re: [PATCH] powerpc: Bring all threads online prior to migration/hibernation

2013-05-01 Thread Robert Jennings
* Benjamin Herrenschmidt (b...@kernel.crashing.org) wrote: On Wed, 2013-05-01 at 10:25 -0500, Nathan Fontenot wrote: On 04/26/2013 04:32 PM, Robert Jennings wrote: With this patch before a migration/hibernation all threads present but not online will be brought online. After

[PATCH] powerpc: Bring all threads online prior to migration/hibernation

2013-04-26 Thread Robert Jennings
With this patch before a migration/hibernation all threads present but not online will be brought online. After migration/hibernation those threads are taken back offline. During migration/hibernation all online CPUs must call H_JOIN, this is required by the hypervisor. Without this patch,