From: David Miller <davem@davemloft.net>
To: dborkman@redhat.com
Cc: alexander.h.duyck@intel.com, netdev@vger.kernel.org
Subject: Re: [PATCH v2 net-next] ixgbe: flush when in xmit_more mode and under descriptor pressure
Date: Wed, 27 Aug 2014 23:18:14 -0700 (PDT) [thread overview]
Message-ID: <20140827.231814.2270210172570593864.davem@davemloft.net> (raw)
In-Reply-To: <1409074458-17989-1-git-send-email-dborkman@redhat.com>
From: Daniel Borkmann <dborkman@redhat.com>
Date: Tue, 26 Aug 2014 19:34:18 +0200
> When xmit_more mode is being used and the ring is about to
> become full or the stack has stopped the ring, enforce a tail
> pointer write to the hw. Otherwise, we could risk a TX hang.
>
> Code suggested by Alexander Duyck.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
> ---
> v1->v2:
> - Worked in Alex' feedback; in accordance w/ Alex, sending out v2
> - Rerun tests, looks good
Applied, thanks Daniel.
I'll make similar mods to igb and vhost_net soon.
next prev parent reply other threads:[~2014-08-28 6:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-26 17:34 [PATCH v2 net-next] ixgbe: flush when in xmit_more mode and under descriptor pressure Daniel Borkmann
2014-08-28 6:18 ` David Miller [this message]
2014-08-28 11:46 ` Daniel Borkmann
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=20140827.231814.2270210172570593864.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=alexander.h.duyck@intel.com \
--cc=dborkman@redhat.com \
--cc=netdev@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).