Re: [FIX PATCH v2 0/2] Fix powerpc,numa: Fix memory_hotplug_max()

2016-06-13 Thread Bharata B Rao
On Tue, Jun 14, 2016 at 03:19:27PM +1000, Michael Ellerman wrote:
> On Tue, 2016-06-14 at 10:16 +0530, Bharata B Rao wrote:
> > On Thu, May 12, 2016 at 07:04:13PM +0530, Bharata B Rao wrote:
> > > This patchset fixes memory_hotplug_max() routine to return correct
> > > value of maximum hotpluggable address.
> > > 
> > > In this version, whitespace fixes are separated into a different patch.
> > > 
> > > v2: 
> > > https://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg103342.html
> > > 
> > > Bharata B Rao (2):
> > >   powerpc,numa: Fix whitespace in hot_add_drconf_memory_max()
> > >   powerpc,numa: Fix memory_hotplug_max()
> > > 
> > >  arch/powerpc/mm/numa.c | 36 ++--
> > >  1 file changed, 26 insertions(+), 10 deletions(-)
> > 
> > Can this fix be considered for inclusion ? Should I be posting this against
> > latest git now ?
> 
> No that's fine, it still applies cleanly.
> 
> Have you tested this on PowerVM ?

No. Let me grab a PowerVM box, test and get back.

> 
> Has this always been broken, or did we break it in a particular commit? If the
> latter can you tell me which commit.

memory_hotplug_max() got introduced in cd34206e9 and has been buggy since then.
Just that it got exposed by memory hotplug and DDW features on PowerKVM.

> 
> Should we be sending this to stable?

I am not sure as only PowerKVM is affected with the introducion of DDW feature
in yet-to-be-released QEMU-2.7. Even there, we are working around the problem
within QEMU itself, but better to fix this in the kernel once.

Regards,
Bharata.

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Re: [FIX PATCH v2 0/2] Fix powerpc,numa: Fix memory_hotplug_max()

2016-06-13 Thread Michael Ellerman
On Tue, 2016-06-14 at 10:16 +0530, Bharata B Rao wrote:
> On Thu, May 12, 2016 at 07:04:13PM +0530, Bharata B Rao wrote:
> > This patchset fixes memory_hotplug_max() routine to return correct
> > value of maximum hotpluggable address.
> > 
> > In this version, whitespace fixes are separated into a different patch.
> > 
> > v2: 
> > https://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg103342.html
> > 
> > Bharata B Rao (2):
> >   powerpc,numa: Fix whitespace in hot_add_drconf_memory_max()
> >   powerpc,numa: Fix memory_hotplug_max()
> > 
> >  arch/powerpc/mm/numa.c | 36 ++--
> >  1 file changed, 26 insertions(+), 10 deletions(-)
> 
> Can this fix be considered for inclusion ? Should I be posting this against
> latest git now ?

No that's fine, it still applies cleanly.

Have you tested this on PowerVM ?

Has this always been broken, or did we break it in a particular commit? If the
latter can you tell me which commit.

Should we be sending this to stable?

cheers

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Re: [FIX PATCH v2 0/2] Fix powerpc,numa: Fix memory_hotplug_max()

2016-06-13 Thread Bharata B Rao
On Thu, May 12, 2016 at 07:04:13PM +0530, Bharata B Rao wrote:
> This patchset fixes memory_hotplug_max() routine to return correct
> value of maximum hotpluggable address.
> 
> In this version, whitespace fixes are separated into a different patch.
> 
> v2: https://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg103342.html
> 
> Bharata B Rao (2):
>   powerpc,numa: Fix whitespace in hot_add_drconf_memory_max()
>   powerpc,numa: Fix memory_hotplug_max()
> 
>  arch/powerpc/mm/numa.c | 36 ++--
>  1 file changed, 26 insertions(+), 10 deletions(-)

Can this fix be considered for inclusion ? Should I be posting this against
latest git now ?

Regards,
Bharata.

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[FIX PATCH v2 0/2] Fix powerpc,numa: Fix memory_hotplug_max()

2016-05-12 Thread Bharata B Rao
This patchset fixes memory_hotplug_max() routine to return correct
value of maximum hotpluggable address.

In this version, whitespace fixes are separated into a different patch.

v2: https://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg103342.html

Bharata B Rao (2):
  powerpc,numa: Fix whitespace in hot_add_drconf_memory_max()
  powerpc,numa: Fix memory_hotplug_max()

 arch/powerpc/mm/numa.c | 36 ++--
 1 file changed, 26 insertions(+), 10 deletions(-)

-- 
2.1.0

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