POWER9 PMU stops after idle workaround

Michael Ellerman michael at ellerman.id.au
Thu Sep 14 06:45:20 AEST 2017


Yeah I messed up the subject when comitting, from memory, so I had to rebase and force push.

I think this is it:

https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=09539f9b123652e969894d6299ae0df2fe12cb5d

cheers



On 14 September 2017 2:11:16 am AEST, "Michal Suchánek" <msuchanek at suse.de> wrote:
>On Thu,  3 Aug 2017 20:19:38 +1000 (AEST)
>Michael Ellerman <patch-notifications at ellerman.id.au> wrote:
>
>> On Thu, 2017-07-20 at 01:53:22 UTC, Nicholas Piggin wrote:
>> > POWER9 DD2 PMU can stop after a state-loss idle in some conditions.
>> > 
>> > A solution is to set then clear MMCRA[60] after wake from
>state-loss
>> > idle.
>> > 
>> > Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
>> > Acked-by: Madhavan Srinivasan <maddy at linux.vnet.ibm.com>
>> > Reviewed-by: Vaidyanathan Srinivasan <svaidy at linux.vnet.ibm.com>
>> > Acked-by: Anton Blanchard <anton at samba.org>  
>> 
>> Applied to powerpc fixes, thanks.
>> 
>> https://git.kernel.org/powerpc/c/bdd21ddb919d28f9c62cdc6286cac9
>> 
>> cheers
>
>Not there anymore. I see this only in the merge branch.
>
>Thanks
>
>Michal

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