Re: mmiotrace fixes in stable kernels

Re: mmiotrace fixes in stable kernels

[Ingo Molnar]

(Greg Cc:-ed)

* karol herbst <karolherbst@gmail.com> wrote:

> I am sure this is the only one, but I never checked if anything else
> is needed. Maybe to be sure it would be safe to just add it to 4.5 and
> 4.4, because I am sure it works there without needing anything else
> and most distributions have already packages for 4.4 or newer.
> 
> Thanks
> 
> Karol
> 
> 2016-04-23 13:05 GMT+02:00 Ingo Molnar <mingo@kernel.org>:
> >
> > * karol herbst <karolherbst@gmail.com> wrote:
> >
> >> Hi Ingo,
> >>
> >> thanks for merging my mmiotrace fix :) As it seems it helps quite a
> >> lot and I was wondering if it would be able to merge the fix for older
> >> kernels as well.
> >
> > Sure. Do we only need:
> >
> >   cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")
> >
> > ... or are other fixes necessary as well?

Ok.

Greg, mind picking up upstream commit:

   cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")

for -stable v4.3, v4.4 and v4.5? I checked that it cherry-picked fine. (I have not 
performed a functional test on the other hand, maybe Karol wants to do that?)

Thanks,

	Ingo

Re: mmiotrace fixes in stable kernels

[karol herbst]

Well I use the patch on top of 4.5 on my system and I know it works on
4.4, because other tested it there, too.

Karol

2016-04-25 9:39 GMT+02:00 Ingo Molnar <mingo@kernel.org>:
>
> (Greg Cc:-ed)
>
> * karol herbst <karolherbst@gmail.com> wrote:
>
>> I am sure this is the only one, but I never checked if anything else
>> is needed. Maybe to be sure it would be safe to just add it to 4.5 and
>> 4.4, because I am sure it works there without needing anything else
>> and most distributions have already packages for 4.4 or newer.
>>
>> Thanks
>>
>> Karol
>>
>> 2016-04-23 13:05 GMT+02:00 Ingo Molnar <mingo@kernel.org>:
>> >
>> > * karol herbst <karolherbst@gmail.com> wrote:
>> >
>> >> Hi Ingo,
>> >>
>> >> thanks for merging my mmiotrace fix :) As it seems it helps quite a
>> >> lot and I was wondering if it would be able to merge the fix for older
>> >> kernels as well.
>> >
>> > Sure. Do we only need:
>> >
>> >   cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")
>> >
>> > ... or are other fixes necessary as well?
>
> Ok.
>
> Greg, mind picking up upstream commit:
>
>    cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")
>
> for -stable v4.3, v4.4 and v4.5? I checked that it cherry-picked fine. (I have not
> performed a functional test on the other hand, maybe Karol wants to do that?)
>
> Thanks,
>
>         Ingo

Re: mmiotrace fixes in stable kernels

[Greg KH]

On Mon, Apr 25, 2016 at 09:39:51AM +0200, Ingo Molnar wrote:
> 
> (Greg Cc:-ed)
> 
> * karol herbst <karolherbst@gmail.com> wrote:
> 
> > I am sure this is the only one, but I never checked if anything else
> > is needed. Maybe to be sure it would be safe to just add it to 4.5 and
> > 4.4, because I am sure it works there without needing anything else
> > and most distributions have already packages for 4.4 or newer.
> > 
> > Thanks
> > 
> > Karol
> > 
> > 2016-04-23 13:05 GMT+02:00 Ingo Molnar <mingo@kernel.org>:
> > >
> > > * karol herbst <karolherbst@gmail.com> wrote:
> > >
> > >> Hi Ingo,
> > >>
> > >> thanks for merging my mmiotrace fix :) As it seems it helps quite a
> > >> lot and I was wondering if it would be able to merge the fix for older
> > >> kernels as well.
> > >
> > > Sure. Do we only need:
> > >
> > >   cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")
> > >
> > > ... or are other fixes necessary as well?
> 
> Ok.
> 
> Greg, mind picking up upstream commit:
> 
>    cfa52c0cfa4d ("x86/mm/kmmio: Fix mmiotrace for hugepages")
> 
> for -stable v4.3, v4.4 and v4.5? I checked that it cherry-picked fine. (I have not 
> performed a functional test on the other hand, maybe Karol wants to do that?)

Now queued up, thanks.

greg k-h