Re: [Bug #14949] drm_vm.c:drm_mmap: possible circular locking dependency detected

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On Tuesday 02 February 2010, Borislav Petkov wrote:
> (Adding Greg to Cc:)
> 
> On Tue, Feb 02, 2010 at 09:46:45PM +0100, Rafael J. Wysocki wrote:
> > On Monday 01 February 2010, Borislav Petkov wrote:
> > > On Mon, Feb 1, 2010 at 1:22 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > > > This message has been generated automatically as a part of a report
> > > > of recent regressions.
> > > >
> > > > The following bug entry is on the current list of known regressions
> > > > from 2.6.32.  Please verify if it still should be listed and let me know
> > > > (either way).
> > > >
> > > >
> > > > Bug-Entry       : http://bugzilla.kernel.org/show_bug.cgi?id=14949
> > > > Subject         : drm_vm.c:drm_mmap: possible circular locking dependency detected
> > > > Submitter       : Borislav Petkov <petkovbb@xxxxxxxxxxxxxx>
> > > > Date            : 2009-12-26 9:45 (37 days old)
> > > > References      : http://marc.info/?l=linux-kernel&m=126182073616279&w=4
> > > > Handled-By      : Eric W. Biederman <ebiederm@xxxxxxxxxxxxxxxxxx>
> > > > Patch           : http://patchwork.kernel.org/patch/70461/
> > > 
> > > Yes, this is fixed.
> > 
> > Do you mean "fixed" as "the fix is in the Linus' tree" or "fixed" as "the
> > patch fixed it for me"?
> 
> Rather the second one, i.e. it fixes it for me. The patch is named
> 
> sysfs-cache-the-last-sysfs_dirent-to-improve-readdir-scalability-v2.patch
> 
> and is "stuck" in Greg's tree. Judging by the quilt series¹, the patch
> is slated for submission after 2.6.33. This late in the game for .32,
> I'm guessing maybe a stable backport after .33 is out?

I guess so.  Thanks!

Rafael
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