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Re: [Qemu-devel] [PATCH v3 2/2] hostmem-file: reject invalid pmem file s
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] [PATCH v3 2/2] hostmem-file: reject invalid pmem file sizes |
Date: |
Fri, 8 Mar 2019 14:53:36 -0300 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
On Thu, Feb 14, 2019 at 11:10:04AM +0800, Stefan Hajnoczi wrote:
> Guests started with NVDIMMs larger than the underlying host file produce
> confusing errors inside the guest. This happens because the guest
> accesses pages beyond the end of the file.
>
> Check the pmem file size on startup and print a clear error message if
> the size is invalid.
>
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1669053
> Cc: Wei Yang <address@hidden>
> Cc: Zhang Yi <address@hidden>
> Cc: Eduardo Habkost <address@hidden>
> Cc: Igor Mammedov <address@hidden>
> Signed-off-by: Stefan Hajnoczi <address@hidden>
I've just noticed this wasn't picked up on my previous pull
request. I'm queueing this on machine-next, now.
--
Eduardo
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