Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 23 Oct 2012 10:21:55 -0500
From:      Bryan Drewery <bdrewery@FreeBSD.org>
To:        Andre Oppermann <andre@FreeBSD.org>
Cc:        svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org
Subject:   Re: svn commit: r241931 - in head/sys: conf kern
Message-ID:  <5086B613.4060804@FreeBSD.org>
In-Reply-To: <5086B24C.9000606@freebsd.org>
References:  <201210231419.q9NEJjYH082863@svn.freebsd.org> <20121023144211.GX70741@FreeBSD.org> <5086B24C.9000606@freebsd.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On 10/23/2012 10:05 AM, Andre Oppermann wrote:
> There shouldn't be any users.  Zero copy send is broken and
> responsible for random kernel crashes.  Zero copy receive isn't
> supported by any modern driver.  Both are useless to dangerous.

I enabled this a few weeks ago, not knowing it was useless/dangerous.

Perhaps an entry in UPDATING to note that this has been renamed and that
it may not actually be useful?

Also, zero_copy(9) needs updating, as it references ZERO_COPY_SOCKETS.


-- 
Regards,
Bryan Drewery
bdrewery@freenode/EFNet



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5086B613.4060804>