Re: [PATCH]PCI:disable resource decode in PCI BAR detection

[Greg KH <gregkh@suse.de>]

On Thu, Sep 13, 2007 at 01:55:36AM -0600, Matthew Wilcox wrote:
> On Thu, Sep 13, 2007 at 03:24:46PM +0800, Shaohua Li wrote:
> > On Thu, 2007-09-13 at 01:31 -0600, Matthew Wilcox wrote:
> > > You missed the part where we have to avoid doing this for host bridges ...
> > > 
> > > http://marc.info/?l=linux-kernel&m=118809338631160&w=2
> > > 
> > > (I believe it's now queued in Greg's tree, and possibly Andrew's tree
> > > too)
> > Hmm, I don't know there is already a fix for this, so waste a whole
> > morning :(. yes, your patch looks better.
> 
> Yes, this bug is causing a lot of people to waste time.  I fielded an
> internal request for this patch this afternoon.  I appreciate we're
> post-rc6 at this point, but it does rather suck to be releasing a kernel
> which freezes on boot on this class of machines.

But it's not like the kernel every worked on this class of machines,
right?  This is not something that was a regression from what I can see.

> Unfortunately if this patch does cause any machine to break, these will
> be machines that worked fine up until this point, so that would be a
> regression, which is worse.  Life sucks.

If, after a while, you think the change should go into the -stable tree,
I have no objection.

thanks,

greg k-h