linux-kernel - Re: [PATCH 2.6.20.3] Flush writes to MSI-X table

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Date:	Fri, 23 Mar 2007 17:30:30 -0700
From:	Greg KH <gregkh@...e.de>
To:	"Williams, Mitch A" <mitch.a.williams@...el.com>
Cc:	"Kok, Auke-jan H" <auke-jan.h.kok@...el.com>,
	linux-kernel@...r.kernel.org, mingo@...hat.com,
	"Ronciak, John" <john.ronciak@...el.com>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Subject: Re: [PATCH 2.6.20.3] Flush writes to MSI-X table

On Fri, Mar 23, 2007 at 05:28:02PM -0700, Greg KH wrote:
> On Fri, Mar 23, 2007 at 05:24:23PM -0700, Williams, Mitch A wrote:
> > Greg KH wrote:
> > >Well, I'm sure you can agree that it is _very_ late in the 2.6.21
> > >release cycle to expect to get this in for that kernel.  How about
> > >waiting for 2.6.22 and if it's a big deal, getting it into the
> > >2.6.21-stable tree if needed.
> > >
> > >So far I have not seen any bug reports that this patch would fix, have
> > >you?
> > 
> > Well, I've seen several bug reports on this issue -- but they're all
> > internal to Intel.
> > 
> > However, we do have here a real bug, which shows up on real hardware,
> > which will be released soon.  Obviously, I can't discuss release
> > schedules, but "soon" is a good word to use.  You might find out more if
> > you read The Register (wink, wink).
> 
> Ok, but again, as this is something that no one outside of a company can
> see, it doesn't really make sense to rush it into the kernel.
> 
> > Given the time frame for release of 2.6.21, I'd be fine with skipping
> > 2.6.20.x, and putting this in 2.6.21.  But we really don't want to wait
> > for 2.6.22.
> 
> I think it needs to wait, especially given that there is no public
> hardware yet.
> 
> I'll add this to my queue.

No, nevermind, I'll wait till it hits linux-pci and gets review from the
people there, as there are a _ton_ of other pending MSI patches that you
will need to be aware of, as they might conflict with this patch.
Please see the linux-pci archives for details of them.

thanks,

greg k-h
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