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From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: Kevin Wolf <kwolf@redhat.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Jason Baron <jbaron@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>,
	Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [Qemu-devel] On block interface types in general, IF_AHCI in particular
Date: Wed, 31 Oct 2012 17:48:33 +0100	[thread overview]
Message-ID: <50915661.5060105@redhat.com> (raw)
In-Reply-To: <F213F13B-B266-4831-B326-903E482C6896@suse.de>

Il 31/10/2012 17:05, Alexander Graf ha scritto:
> That's the same reasoning that we used for cache=writethrough. It
> just plain sucks. Why can't we just drop Windows XP from the out of
> box experience and get everyone to at least 80% performance, rather
> than having a compatible, but completely useless VM.

And a few years later we did change the default.

1.2 uses writeback by default.

Really, the solution is a proper UI that says "XP? IDE is that
direction.  2k8? AHCI is that direction.  Linux? virtio be it" and does
it automatically for the user.

Paolo

  parent reply	other threads:[~2012-10-31 16:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-30 14:43 [Qemu-devel] On block interface types in general, IF_AHCI in particular Markus Armbruster
2012-10-30 15:16 ` Jason Baron
2012-10-30 16:31 ` Paolo Bonzini
2012-10-30 17:04   ` Kevin Wolf
2012-10-30 19:03     ` Anthony Liguori
2012-10-30 21:12     ` Anthony Liguori
2012-10-31 13:58       ` Markus Armbruster
2012-10-31 14:01         ` Peter Maydell
2012-10-31 14:09         ` Paolo Bonzini
2012-10-31 14:20         ` Markus Armbruster
2012-10-31 14:40           ` Paolo Bonzini
2012-10-31 14:43             ` Alexander Graf
2012-10-31 14:46               ` Paolo Bonzini
2012-10-31 16:00               ` Anthony Liguori
2012-10-31 16:05                 ` Alexander Graf
2012-10-31 16:46                   ` Anthony Liguori
2012-10-31 16:57                     ` Alexander Graf
2012-10-31 18:32                       ` Anthony Liguori
2012-10-31 16:48                   ` Paolo Bonzini [this message]
2012-10-31 16:21         ` Kevin Wolf
2012-10-31 16:32           ` Paolo Bonzini
2012-10-31 16:35             ` Alexander Graf
2012-10-31 16:50               ` Paolo Bonzini
2012-11-01  8:50   ` Gerd Hoffmann

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