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List:       xen-devel
Subject:    Re: [Xen-devel] Tapdisk2 problem
From:       Daniel Stodden <daniel.stodden () citrix ! com>
Date:       2010-08-15 21:54:43
Message-ID: 1281909283.2427.183.camel () ramone ! somacoma ! net
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On Sun, 2010-08-15 at 16:48 -0400, Keir Fraser wrote:
> On 15/08/2010 21:36, "Daniel Stodden" <daniel.stodden@citrix.com> wrote:
> 
> > On Sun, 2010-08-15 at 16:28 -0400, Keir Fraser wrote:
> >> On 15/08/2010 20:35, "Daniel Stodden" <daniel.stodden@citrix.com> wrote:
> >> 
> >>> The problem is that the kernel has those changes. What's going to happen
> >>> is that if tapdisk2 anticipates the ring 'message' at offset 17, not 16
> >>> as intended, it will fail to find/clear the ring message, while the
> >>> kernel will keep it spinning through select(), and that's what you're
> >>> seeing.
> >>> 
> >>> Keir, okay to just pull that stuff?
> >> 
> >> What stuff to where?
> > 
> > changeset:   21707:feee0abed6aa
> > user:        Keir Fraser <keir.fraser@citrix.com>
> > date:        Fri Jul 02 18:58:02 2010 +0100
> > summary:     blktap2: make protocol specific usage of shared sring
> > explicit
> > 
> > Into 4.0.1.
> 
> Okay, done.

Thanks!


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