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From: Arn <cse.syslab@gmail.com>
To: "Avi Kivity" <avi@qumranet.com>
Cc: kvm@vger.kernel.org
Subject: Re: Sharing variables/memory between host and guest ?
Date: Mon, 14 Jul 2008 17:43:04 -0400	[thread overview]
Message-ID: <896ae46a0807141443p78df612csb5801d8ae7af17ca@mail.gmail.com> (raw)
In-Reply-To: <4879D494.7020803@qumranet.com>

>> How can one share memory (a few variables not necessarily a page)
>> between host/hypervisor and guest VM ?
>>
> If you use the -mem-path qemu option, all guest memory will be in a file on
> tmpfs.  You can mmap that file and access all guest memory.  Of course, this
> is hitting the problem with a fairly bit hammer; more refined approaches are
> possible.

Could you outline the other approaches ?

Thanks
arn

  reply	other threads:[~2008-07-14 21:43 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-12  0:16 Sharing variables/memory between host and guest ? Arn
2008-07-12 12:33 ` Dor Laor
2008-07-12 21:03   ` Arn
2008-07-12 21:15     ` Eric Van Hensbergen
2008-07-12 21:59       ` Arn
2008-07-12 22:06         ` Eric Van Hensbergen
2008-07-13 10:10 ` Avi Kivity
2008-07-14 21:43   ` Arn [this message]
2008-07-19  8:29     ` Avi Kivity

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