On Wed, 13 Nov 2013, David Vrabel wrote:
> On 13/11/13 01:48, Anthony Liguori wrote:
> > From: Anthony Liguori
> >
> > Commit 5dc03639 switched blkback to also add m2p override entries
> > when mapping grant pages but history seems to have forgotten why
> > this is useful if it ever was.
> >
> >
On Tue, 2013-11-12 at 17:48 -0800, Anthony Liguori wrote:
> See http://article.gmane.org/gmane.linux.kernel/1590932 for a full
> analysis of current users.
Silly nit: Please can you include the message ID in case this goes away,
or use a URL which includes the ID already so it can be translated if
On 13/11/13 01:48, Anthony Liguori wrote:
> From: Anthony Liguori
>
> Commit 5dc03639 switched blkback to also add m2p override entries
> when mapping grant pages but history seems to have forgotten why
> this is useful if it ever was.
>
> The blkback driver does not need m2p override entries to
On Tue, Nov 12, 2013 at 05:48:56PM -0800, Anthony Liguori wrote:
> From: Anthony Liguori
>
> Commit 5dc03639 switched blkback to also add m2p override entries
> when mapping grant pages but history seems to have forgotten why
> this is useful if it ever was.
>
> The blkback driver does not need
From: Anthony Liguori
Commit 5dc03639 switched blkback to also add m2p override entries
when mapping grant pages but history seems to have forgotten why
this is useful if it ever was.
The blkback driver does not need m2p override entries to exist
and there is significant overhead due to the lock
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