From: Avi Kivity <avi@redhat.com>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: Konstantin Khlebnikov <khlebnikov@parallels.com>,
"penberg@kernel.org" <penberg@kernel.org>,
"mingo@elte.hu" <mingo@elte.hu>,
"asias.hejun@gmail.com" <asias.hejun@gmail.com>,
"gorcunov@gmail.com" <gorcunov@gmail.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH 1/2 V2] kvm tools: Add scatter-gather variants of IO functions
Date: Sun, 17 Apr 2011 15:49:45 +0300 [thread overview]
Message-ID: <4DAAE1E9.8000502@redhat.com> (raw)
In-Reply-To: <1303038717.3017.18.camel@stimpy>
On 04/17/2011 02:11 PM, Sasha Levin wrote:
> I don't think it's worth delaying the next readv() to run through
> read_in_full, and whats more, the part we're going to read again is
> probably sitting in the file cache anyway.
If you have a file cache. High performance often means bypassing the
cache, and in those cases submitting guest requests exactly as the guest
passed them is important.
--
error compiling committee.c: too many arguments to function
prev parent reply other threads:[~2011-04-17 12:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-16 15:05 [PATCH 1/2 V2] kvm tools: Add scatter-gather variants of IO functions Sasha Levin
2011-04-16 15:05 ` [PATCH 2/2 V2] kvm tools: Add scatter-gather support for disk images Sasha Levin
2011-04-16 18:40 ` [PATCH 1/2 V2] kvm tools: Add scatter-gather variants of IO functions Konstantin Khlebnikov
2011-04-16 20:33 ` Sasha Levin
2011-04-17 9:19 ` Avi Kivity
2011-04-17 10:03 ` Konstantin Khlebnikov
2011-04-17 10:22 ` Sasha Levin
2011-04-17 10:34 ` Konstantin Khlebnikov
2011-04-17 11:11 ` Sasha Levin
2011-04-17 12:49 ` Avi Kivity [this message]
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