Ian, should we apply the backport from
64141da587241301ce8638cc945f8b67853156ec to squeeze for bug #613634 et
al?
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
05-01-2011, 11:33 AM
Ian Campbell
Bug#613634: vmalloc: eagerly clear ptes on vunmap
On Sat, 2011-04-30 at 17:34 +0100, Ben Hutchings wrote:
> Ian, should we apply the backport from
> 64141da587241301ce8638cc945f8b67853156ec to squeeze for bug #613634 et
> al?
It's already in SVN for 2.6.32-34, seems to be in the changelog twice
even, once closing #614400 and then again closing #613634, which are
merged.
Ian.
--
Ian Campbell
I am currently transitioning to a new OpenPGP key, please see:
http://www.hellion.org.uk/key-transition-2011-04-27-2F6BCD59-to-79074FA8.txt
Never call a man a fool. Borrow from him.
05-01-2011, 03:51 PM
Ben Hutchings
Bug#613634: vmalloc: eagerly clear ptes on vunmap
On Sun, 2011-05-01 at 12:33 +0100, Ian Campbell wrote:
> On Sat, 2011-04-30 at 17:34 +0100, Ben Hutchings wrote:
> > Ian, should we apply the backport from
> > 64141da587241301ce8638cc945f8b67853156ec to squeeze for bug #613634 et
> > al?
>
> It's already in SVN for 2.6.32-34, seems to be in the changelog twice
> even, once closing #614400 and then again closing #613634, which are
> merged.
Oh right, it's applied to the xen-featureset kernels. But isn't it also
applicable to non-xen-featureset kernels which can run in domU?
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
05-02-2011, 10:57 AM
Ian Campbell
Bug#613634: vmalloc: eagerly clear ptes on vunmap
On Sun, 2011-05-01 at 16:51 +0100, Ben Hutchings wrote:
> On Sun, 2011-05-01 at 12:33 +0100, Ian Campbell wrote:
> > On Sat, 2011-04-30 at 17:34 +0100, Ben Hutchings wrote:
> > > Ian, should we apply the backport from
> > > 64141da587241301ce8638cc945f8b67853156ec to squeeze for bug #613634 et
> > > al?
> >
> > It's already in SVN for 2.6.32-34, seems to be in the changelog twice
> > even, once closing #614400 and then again closing #613634, which are
> > merged.
>
> Oh right, it's applied to the xen-featureset kernels.
So it is, I'd forgotten that.
> But isn't it also
> applicable to non-xen-featureset kernels which can run in domU?
Yes. I initially confused it with the vmalloc_sync_all fixes which
really only impact domains running backend drivers (since that's the
only real user of that code path). The vunmap thing is indeed more
generically useful to fix so I think it should go into the generic
flavours too.
Want me to take a look at that?
Ian.
--
Ian Campbell
I am currently transitioning to a new OpenPGP key, please see:
http://www.hellion.org.uk/key-transition-2011-04-27-2F6BCD59-to-79074FA8.txt
That must be wonderful: I don't understand it at all.
-- Moliere
05-04-2011, 12:23 PM
Ian Campbell
Bug#613634: vmalloc: eagerly clear ptes on vunmap
On Mon, 2011-05-02 at 11:57 +0100, Ian Campbell wrote:
> On Sun, 2011-05-01 at 16:51 +0100, Ben Hutchings wrote:
> > On Sun, 2011-05-01 at 12:33 +0100, Ian Campbell wrote:
> > > On Sat, 2011-04-30 at 17:34 +0100, Ben Hutchings wrote:
> > > > Ian, should we apply the backport from
> > > > 64141da587241301ce8638cc945f8b67853156ec to squeeze for bug #613634 et
> > > > al?
> > >
> > > It's already in SVN for 2.6.32-34, seems to be in the changelog twice
> > > even, once closing #614400 and then again closing #613634, which are
> > > merged.
> >
> > Oh right, it's applied to the xen-featureset kernels.
>
> So it is, I'd forgotten that.
>
> > But isn't it also
> > applicable to non-xen-featureset kernels which can run in domU?
>
> Yes. I initially confused it with the vmalloc_sync_all fixes which
> really only impact domains running backend drivers (since that's the
> only real user of that code path). The vunmap thing is indeed more
> generically useful to fix so I think it should go into the generic
> flavours too.
>
> Want me to take a look at that?
I'll check this in to svn shortly for 2.6.32-35. Unfortunately I missed
the 2.6.32-34 boat.
Ian.
--
Ian Campbell
Current Noise: Gojira - Ocean Planet
Isn't air travel wonderful? Breakfast in London, dinner in New York,
luggage in Brazil.
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