From: David Ahern <dsahern@gmail.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: bhelgaas@google.com, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] pci: Account for virtual buses in pci_acs_path_enabled
Date: Sun, 05 Aug 2012 22:51:53 -0600 [thread overview]
Message-ID: <501F4D69.9060100@gmail.com> (raw)
In-Reply-To: <20120804181445.6598.6505.stgit@bling.home>
On 8/4/12 12:19 PM, Alex Williamson wrote:
> It's possible to have buses without an associated bridge
> (bus->self == NULL). SR-IOV can generate such buses. When
> we find these, skip to the parent bus to look for the next
> ACS test.
>
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> ---
>
> David Ahern reported an oops from iommu drivers passing NULL into
> this function for the same mistake. Harden this function against
> assuming bus->self is valid as well. David, please include this
> patch as well as the iommu patches in your testing.
Tested-by: David Ahern <dsahern@gmail.com>
next prev parent reply other threads:[~2012-08-06 4:51 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-04 18:19 [PATCH] pci: Account for virtual buses in pci_acs_path_enabled Alex Williamson
2012-08-06 4:51 ` David Ahern [this message]
2012-08-06 5:30 ` Bjorn Helgaas
2012-08-06 5:55 ` Alex Williamson
2012-08-06 20:47 ` Bjorn Helgaas
2012-08-07 21:50 ` Don Dutile
2012-08-08 6:00 ` Bjorn Helgaas
2012-08-08 13:51 ` David Ahern
2012-08-08 15:24 ` Alex Williamson
2012-08-08 19:33 ` Don Dutile
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=501F4D69.9060100@gmail.com \
--to=dsahern@gmail.com \
--cc=alex.williamson@redhat.com \
--cc=bhelgaas@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).