LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: stable@kernel.org, linux-kernel@vger.kernel.org,
	linux-pci@vger.kernel.org,
	Peter Chubb <peterc@gelato.unsw.edu.au>,
	jbarnes@virtuousgeek.org, matthew@wil.cx
Subject: Re: [stable] [patch] fix 64-vbit prefetchable memory resource BARs
Date: Mon, 3 Nov 2008 12:47:26 -0800	[thread overview]
Message-ID: <20081103204726.GB19936@kroah.com> (raw)
In-Reply-To: <200811031342.11018.bjorn.helgaas@hp.com>

On Mon, Nov 03, 2008 at 02:42:10PM -0600, Bjorn Helgaas wrote:
> On Sunday 12 October 2008 06:49:04 pm Peter Chubb wrote:
> > Since patch 6ac665c63dcac8fcec534a1d224ecbb8b867ad59
> > my infiniband controller hasn't worked.  This is because it has
> > 64-bit prefetchable memory, which was mistakenly being  taken to be
> > 32-bit memory.  The resource flags in this case are
> > PCI_BASE_ADDRESS_MEM_TYPE_64|PCI_BASE_ADDRESS_MEM_PREFETCH.
> > 
> > This patch checks only for the PCI_BASE_ADDRESS_MEM_TYPE_64 bit; thus
> > whether the region is prefetchable or not is ignored.  This fixes my
> > Infiniband.
> 
> I think this patch needs to be put in a 2.6.27-stable release.
> 
> Without it, we ignore the upper bits of 64-bit prefetchable BARs.
> 
> This is commit e354597cce8d219d135d65e585dc4f30323486b9 in Linus's
> tree.

Thanks for the info, we will queue it up.

greg k-h

      reply	other threads:[~2008-11-03 20:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-13  0:49 Peter Chubb
2008-10-13  1:34 ` Matthew Wilcox
2008-10-15 10:05 ` Jesse Barnes
2008-11-03 20:42 ` Bjorn Helgaas
2008-11-03 20:47   ` Greg KH [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20081103204726.GB19936@kroah.com \
    --to=greg@kroah.com \
    --cc=bjorn.helgaas@hp.com \
    --cc=jbarnes@virtuousgeek.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=matthew@wil.cx \
    --cc=peterc@gelato.unsw.edu.au \
    --cc=stable@kernel.org \
    --subject='Re: [stable] [patch] fix 64-vbit prefetchable memory resource BARs' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).