linux-kernel - Re: [PATCH] virtio-net: move sg off stack

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <201004061244.29187.rusty@rustcorp.com.au>
Date:	Tue, 6 Apr 2010 12:44:28 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	David Miller <davem@...emloft.net>
Cc:	mst@...hat.com, jpirko@...hat.com, xma@...ibm.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio-net: move sg off stack

On Fri, 2 Apr 2010 12:56:48 pm David Miller wrote:
> From: "Michael S. Tsirkin" <mst@...hat.com>
> Date: Wed, 31 Mar 2010 15:41:58 +0300
> 
> > Move sg structure off stack and into virtnet_info structure.
> > This helps remove extra sg_init_table calls as well as reduce
> > stack usage.
> > 
> > Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
> > ---
> > 
> > Compile-tested only for now.
> > Shirley, Rusty Russell, does this fix CONFIG_DEBUG_SG=y for you?

Yes, this fixes the BUG_ON() for me (trivial changes to base on Linus'
tree only).

Thanks,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/