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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Baptiste Reynal <b.reynal@virtualopensystems.com>
Cc: Jani.Kokkonen@huawei.com, tech@virtualopensystems.com,
	Claudio.Fontana@huawei.com, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [RFC v2 0/6] QEMU shared-memory backend
Date: Thu, 31 Mar 2016 10:14:52 +0100	[thread overview]
Message-ID: <20160331091452.GF32185@stefanha-x1.localdomain> (raw)
In-Reply-To: <1458292438-13909-1-git-send-email-b.reynal@virtualopensystems.com>

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On Fri, Mar 18, 2016 at 10:13:52AM +0100, Baptiste Reynal wrote:
> A new memory backend, the shared memory backend, based on
> the file memory backend.
> 
> This new backend allows a master QEMU instance to share a part of
> his main memory whith a slave QEMU instance. It is then possible to load
> a firmware on this memory and trigger the slave boot using a SDM
> signal.
> 
> Such new backend enables, on a master side, to allocate the whole
> memory as shareable (e.g. /dev/shm, or hugetlbfs).

How is this different from qemu -mem-path which can be used for
hugetlbfs?

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  parent reply	other threads:[~2016-03-31  9:15 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-18  9:13 [Qemu-devel] [RFC v2 0/6] QEMU shared-memory backend Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 1/6] backend: shared memory backend Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 2/6] migration: add shared migration type Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 3/6] hw/misc: sdm signal shboot Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 4/6] qemu: slave machine flag Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 5/6] hw/arm: boot Baptiste Reynal
2016-03-18  9:13 ` [Qemu-devel] [RFC v2 6/6] qemu: numa Baptiste Reynal
2016-03-22 14:14 ` [Qemu-devel] [RFC v2 0/6] QEMU shared-memory backend Markus Armbruster
2016-03-22 14:54   ` Baptiste Reynal
2016-04-07 16:27     ` Markus Armbruster
2016-04-08 12:52       ` Baptiste Reynal
2016-04-08 13:59         ` Markus Armbruster
2016-03-31  9:14 ` Stefan Hajnoczi [this message]
2016-04-05 12:00   ` Baptiste Reynal
2016-04-06  8:57     ` Stefan Hajnoczi
2016-04-06 13:47       ` Igor Mammedov
2016-04-08 12:46         ` Baptiste Reynal

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