From: Rusty Russell <rusty@rustcorp.com.au>
To: Marcelo Tosatti <marcelo@kvack.org>
Cc: kvm-devel <kvm-devel@lists.sourceforge.net>
Subject: Re: [PATCH] virtio-blk: allow more than one in-flight request
Date: Fri, 28 Mar 2008 10:22:54 +1100 [thread overview]
Message-ID: <200803281022.54952.rusty@rustcorp.com.au> (raw)
In-Reply-To: <20080327162948.GB8659@dmt>
On Friday 28 March 2008 03:29:48 Marcelo Tosatti wrote:
> Allow more than one in-flight request in the virtio ring. This allows
> the host driver to submit requests in parallel.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
For a moment, I thought this was true and felt very stupid :)
For the record, the mempool_alloc becomes kmalloc with fallback to the pool.
We only need one because we can make progress with one request at a time if
we have to.
Cheers,
Rusty.
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prev parent reply other threads:[~2008-03-27 23:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-27 16:29 [PATCH] virtio-blk: allow more than one in-flight request Marcelo Tosatti
2008-03-27 17:45 ` Christian Borntraeger
2008-03-27 20:30 ` Marcelo Tosatti
2008-03-27 23:22 ` Rusty Russell [this message]
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