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Re: [Qemu-devel] [RFC 0/7] Rework vhost memory region updates
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [RFC 0/7] Rework vhost memory region updates |
Date: |
Fri, 1 Dec 2017 10:02:20 +0000 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Wed, Nov 29, 2017 at 06:50:19PM +0000, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Hi,
> This is an experimental set that reworks the way the vhost
> code handles changes in physical address space layout that
> came from a discussion with Igor.
>
> Instead of updating and trying to merge sections of address
> space on each add/remove callback, we wait until the commit phase
> and go through and rebuild a list by walking the Flatview of
> memory and end up producing an ordered list.
> We compare the list to the old list to trigger updates.
>
> Note, only very lightly tested so far, I'm just trying to see if it's
> the right shape.
The cover letter doesn't mention why this change is necessary. It would
be helpful to know :).
Stefan
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- Re: [Qemu-devel] [RFC 0/7] Rework vhost memory region updates,
Stefan Hajnoczi <=