From: Avi Kivity <avi@redhat.com>
To: Sheng Yang <sheng@linux.intel.com>
Cc: kvm@vger.kernel.org, Alex Williamson <alex.williamson@hp.com>
Subject: Re: [PATCH 1/1] kvm: don't check per-vector mask bit before enable MSI-X
Date: Thu, 09 Apr 2009 18:29:28 +0300 [thread overview]
Message-ID: <49DE1458.8090300@redhat.com> (raw)
In-Reply-To: <1239241259-23146-1-git-send-email-sheng@linux.intel.com>
Sheng Yang wrote:
> Some driver(e.g. bnx2) do the following to enable MSI-X:
> 1. Mask all vectors.
> 2. Write the msg data and address.
> 3. Enable MSI-X
> 4. Unmask all the vectors.
>
> For this, check per-vector mask bit before enable MSI-X would cause device
> fail to enable MSI-X. So now we only determine the availability of vector
> by if msg_data is zero.
>
Applied, thanks.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
prev parent reply other threads:[~2009-04-09 15:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-09 1:40 [PATCH 1/1] kvm: don't check per-vector mask bit before enable MSI-X Sheng Yang
2009-04-09 15:29 ` Avi Kivity [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=49DE1458.8090300@redhat.com \
--to=avi@redhat.com \
--cc=alex.williamson@hp.com \
--cc=kvm@vger.kernel.org \
--cc=sheng@linux.intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.