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From: Jan Kiszka <jan.kiszka@siemens.com>
To: Avi Kivity <avi@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [PATCH] memory: transaction API
Date: Thu, 21 Jul 2011 12:38:13 +0200	[thread overview]
Message-ID: <4E280195.5040003@siemens.com> (raw)
In-Reply-To: <1311243679-18403-1-git-send-email-avi@redhat.com>

On 2011-07-21 12:21, Avi Kivity wrote:
> Allow changes to the memory hierarchy to be accumulated and
> made visible all at once.  This reduces computational effort,
> especially when an accelerator (e.g. kvm) is involved.
> 
> Useful when a single register update causes multiple changes
> to an address space.

That's simple to implement in the core, but complicates life for the
users, at least for the simple "update this region" use case.

Do we have transactional scenarios during runtime where multiple memory
regions are reconfigured?

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

  reply	other threads:[~2011-07-21 10:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-21 10:21 [PATCH] memory: transaction API Avi Kivity
2011-07-21 10:38 ` Jan Kiszka [this message]
2011-07-21 12:05   ` Avi Kivity
2011-07-21 12:08     ` Avi Kivity
2011-07-21 12:09     ` Jan Kiszka
2011-07-21 12:13       ` Avi Kivity
2011-07-21 12:52         ` Jan Kiszka
2011-07-21 12:58           ` Avi Kivity
2011-07-21 13:17             ` Jan Kiszka
2011-07-21 13:50               ` Avi Kivity
2011-07-21 14:32                 ` Jan Kiszka
2011-07-21 14:39                   ` Avi Kivity
2011-07-21 15:05                     ` Jan Kiszka
2011-07-21 15:11                       ` Avi Kivity
2011-07-21 11:04 ` Ferry Huberts
2011-07-21 12:07   ` Avi Kivity
2011-07-21 12:26     ` Ferry Huberts
2011-07-21 12:46       ` Avi Kivity
2011-07-21 12:56         ` Ferry Huberts

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