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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Anthony Liguori <aliguori@us.ibm.com>, Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] Re: [PATCH 1/4] Add a scatter-gather list type and accessors
Date: Wed, 4 Feb 2009 23:49:56 +0000	[thread overview]
Message-ID: <200902042349.57668.paul@codesourcery.com> (raw)
In-Reply-To: <4989EC29.9050705@us.ibm.com>

> > +    if (qsg->nsg == qsg->nalloc) {
> > +        qsg->nalloc = 2 * qsg->nalloc + 1;
>
> Do you really want exponential growth verses linear growth?  The sg
> lists should be relatively small so linear growth should be fine.

If they're small it shouldn't make a any real difference...

Paul

  parent reply	other threads:[~2009-02-04 23:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-04 12:25 [Qemu-devel] [PATCH 0/4] Block DMA helpers Avi Kivity
2009-02-04 12:25 ` [Qemu-devel] [PATCH 1/4] Add a scatter-gather list type and accessors Avi Kivity
2009-02-04 19:27   ` [Qemu-devel] " Anthony Liguori
2009-02-04 20:30     ` Avi Kivity
2009-02-04 20:36       ` Anthony Liguori
2009-02-04 20:46         ` Avi Kivity
2009-02-04 20:50           ` Anthony Liguori
2009-02-04 21:03             ` Avi Kivity
2009-02-04 23:58           ` Paul Brook
2009-02-05  7:25             ` Avi Kivity
2009-02-05  0:29         ` M. Warner Losh
2009-02-05  1:56           ` Anthony Liguori
2009-02-04 23:49     ` Paul Brook [this message]
2009-02-04 12:25 ` [Qemu-devel] [PATCH 2/4] Add qemu_iovec_reset() Avi Kivity
2009-02-04 12:25 ` [Qemu-devel] [PATCH 3/4] Introduce block dma helpers Avi Kivity
2009-02-04 19:29   ` [Qemu-devel] " Anthony Liguori
2009-02-04 12:25 ` [Qemu-devel] [PATCH 4/4] Convert IDE to use new " Avi Kivity

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