linux-kernel - Re: [Xen-devel] Re: [Revert] Re: [PATCH] mm: sync vmalloc address space page tables in alloc_vm

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Date:	Tue, 8 Nov 2011 15:01:53 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	David Vrabel <david.vrabel@...rix.com>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"namhyung@...il.com" <namhyung@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"rientjes@...gle.com" <rientjes@...gle.com>,
	"paulmck@...ux.vnet.ibm.com" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [Xen-devel] Re: [Revert] Re: [PATCH] mm: sync vmalloc address
 space page tables in alloc_vm_area()

On Mon, 7 Nov 2011 15:36:13 -0500
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:

> > > > 
> > > > oookay, I queued this for 3.1 and tagged it for a 3.0.x backport.  I
> > > > *think* that's the outcome of this discussion, for the short-term?
> > > 
> > > <nods> Yup. Thanks!
> > 
> > Hey Andrew,
> > 
> > The long term outcome is the patchset that David worked on. I've sent
> > a GIT PULL to Linus to pick up the Xen related patches that switch over
> > the users of the right API:
> > 
> >  (xen) stable/vmalloc-3.2 for Linux 3.2-rc0
> > 
> > (https://lkml.org/lkml/2011/10/29/82)
> 
> And Linus picked it up.

I've no idea what's going on here.

> .. snip..
> > 
> > Also, not sure what you thought of this patch below?
> 
> Patch included as attachment for easier review..

The patch "xen: map foreign pages for shared rings by updating the PTEs
directly" (whcih looks harnless enough) is not present in 3.2-rc1 or linux-next.

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