Re: [Xen-devel] preparing for 4.2.2 and 4.1.5 / libxl blktap2 patches

[Pasi Kärkkäinen <pasik@xxxxxx>]

IanJ: ping? 2/3 of the blktap2 bugfix patches listed below are not yet applied 
to 4.2 branch.. 

(all three patches below have passed xen-unstable/master automated tests).


Thanks,

-- Pasi

On Wed, Apr 03, 2013 at 09:42:23PM +0300, Pasi Kärkkäinen wrote:
> On Wed, Mar 27, 2013 at 07:51:05AM -0500, Dr. Greg Wettstein wrote:
> > > 
> > > So these patches still need to be applied to Xen 4.2 branch:
> > > 
> > > "[PATCH] libxl: don't launch more than one tapdisk process for each disk"
> > > http://xenbits.xen.org/gitweb/?p=3Dxen.git;a=3Dcommit;h=3Dec398660e89ca18bb=
> > > 8d061d5047d682bd383778a
> > > 
> > > Xen 4.2 backport of the above patch is here:
> > > http://lists.xen.org/archives/html/xen-devel/2013-03/msg00778.html
> > > 
> > > And now there's other tapdisk patch in xen-unstable aswell:
> > > 
> > > "tools: Retry blktap2 tapdisk message on interrupt":
> > > http://xenbits.xen.org/gitweb/?p=3Dxen.git;a=3Dcommit;h=3D6cffb2b469a55032a=
> > > 2900ccb8776c0082f346758
> > > 
> > > Both are needed in Xen 4.2 branch, please backport/apply before next Xen 
> > > 4.=
> > > 2.2-rc !
> > > 
> > > I'm asking because we've seen these problems with the CentOS 6 Xen 4.2 
> > > rpms,
> > > and it'd be good to get them fixed in upstream Xen 4.2 aswell.
> > 
> > Ian raised a good point with respect to the read/write system calls in
> > the blktap2 control plane needing to handle EINTR as well.  We've
> > never seen this issue in the field but it should be handled.
> > 
> > I will see if I can get a patch spun today on top of my last patch to
> > add that if no one beats me to it.
> > 
> 
> Ok, thanks! So that patch is now in master/xen-unstable aswell.
> 
> IanJ: These three patches from master need to be applied to Xen 4.2 branch. 
> Let's do it now before Xen 4.2.2-rc2.
> 
> 
> "libxl: don't launch more than one tapdisk process for each disk":
> http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=ec398660e89ca18bb8d061d5047d682bd383778a
> (Xen 4.2 backport: 
> http://lists.xen.org/archives/html/xen-devel/2013-03/msg00778.html)
> 
> "tools: Retry blktap2 tapdisk message on interrupt":
> http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=6cffb2b469a55032a2900ccb8776c0082f346758
> 
> "tools/blktap2: Handle read/write interrupts in blktap2 control plane.":
> http://xenbits.xen.org/gitweb/?p=xen.git;a=commit;h=a5c800142cfc82159fcb85b47116cf296caebcc5
> 
> 
> Thanks! 
> 
> 
> -- Pasi
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel