linux-kernel - Re: [PATCH] virtio_blk: use noop elevator by default

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]

Message-ID: <20080826143900.GM20055@kernel.dk>
Date:	Tue, 26 Aug 2008 16:39:01 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Fernando Luis Vázquez Cao 
	<fernando@....ntt.co.jp>
Cc:	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] virtio_blk: use noop elevator by default

On Tue, Aug 26 2008, Fernando Luis Vázquez Cao wrote:
> Hi Rusty,
> 
> Would it make sense to use noop by default? After all we do not know
> what is behind the backend driver and the hypervisor is likely to do its
> own scheduling anyway. I guess this is the reason the Xen guys took this
> approach.
> 
> What do you think about the patch below?

I plan to include some variant of disk profiling for 2.6.28 which will
let eg CFQ turn off idling for such device types, I think that is a
better solution.

-- 
Jens Axboe

--
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/