Re: [Qemu-devel] Para-virtualized ram-based filesystem?

2011-04-17 Thread Ritchie, Stuart
On 4/16/11 1:52 AM, "Stefan Hajnoczi" wrote: >On Sat, Apr 16, 2011 at 1:27 AM, Brad Hards wrote: >> On Saturday 16 April 2011 09:58:32 Ritchie, Stuart wrote: >>> How does that sound? >> As a general user: Confusing. >> >> Is there a con

Re: [Qemu-devel] Para-virtualized ram-based filesystem?

2011-04-17 Thread Ritchie, Stuart
On 4/17/11 5:43 AM, "Avi Kivity" wrote: >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 >> &g

Re: [Qemu-devel] Para-virtualized ram-based filesystem?

2011-04-15 Thread Ritchie, Stuart
On 4/15/11 2:43 PM, "Anthony Liguori" wrote: >On 04/15/2011 04:09 PM, Ritchie, Stuart wrote: >> Hi all, >> >> Has anyone looked at implementing a para-virtualized ram-based >>filesystem >> for qemu? Or any similar dynamic memory mapping techniques for

[Qemu-devel] Para-virtualized ram-based filesystem?

2011-04-15 Thread Ritchie, Stuart
Hi all, Has anyone looked at implementing a para-virtualized ram-based filesystem for qemu? Or any similar dynamic memory mapping techniques for running guests? What I had in mind would be a convenient, zero-copy mechanism for sharing dynamically allocated, memory mapped files between host and g