From: Avi Kivity <avi@redhat.com>
To: "Ritchie, Stuart" <Stuart.Ritchie@tellabs.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Para-virtualized ram-based filesystem?
Date: Sun, 17 Apr 2011 15:43:11 +0300 [thread overview]
Message-ID: <4DAAE05F.5050902@redhat.com> (raw)
In-Reply-To: <C9CE0E24.B9B3%Stuart.Ritchie@tellabs.com>
On 04/16/2011 02:58 AM, Ritchie, Stuart wrote:
> >
> >You can do this with ivshmem today. You give it a path to a shared
> >memory file, and then there's a path in sysfs that you can mmap() in
> >userspace in the guest.
>
> Please correct me if I am wrong, but with ivshmem you must to manage your
> world within a single, fixed size region. I appreciate the simplicity of
> mapping the whole region all in one go, but our requirements are a bit
> different. Even if you could pass multiple -device ivshmem instances,
> it's still a fixed environment. Right?
>
You could place a read-only filesystem (say iso9660) in the region and
mount it; it will then appear as a complete filesystem.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2011-04-17 12:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-15 21:09 [Qemu-devel] Para-virtualized ram-based filesystem? Ritchie, Stuart
2011-04-15 21:43 ` Anthony Liguori
2011-04-15 23:58 ` Ritchie, Stuart
2011-04-16 0:27 ` Brad Hards
2011-04-16 8:52 ` Stefan Hajnoczi
2011-04-16 8:54 ` Stefan Hajnoczi
2011-04-18 4:12 ` Ritchie, Stuart
2011-04-17 12:43 ` Avi Kivity [this message]
2011-04-18 3:28 ` Ritchie, Stuart
2011-04-18 6:31 ` Avi Kivity
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