linux-kernel - Re: [PATCH] virtio_blk: allow re-reading config space at runtime

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Tue, 18 Jan 2011 13:27:51 +0100
From:	Christoph Hellwig <hch@....de>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio_blk: allow re-reading config space at runtime

On Tue, Jan 18, 2011 at 11:38:50AM +1030, Rusty Russell wrote:
> I think we need to do better than this.  What would it take?

I don't think we have much choice.  We're getting called from irq
context, so we'll need to allocate memory to offload things.  That's
unless we keep a thread around that we just need to wake up, which
would be a huge waste of ressources.

--
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/