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Re: [Qemu-devel] [PATCH 0/4 v4] block, arm: Fix buffered flash writes on
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 0/4 v4] block, arm: Fix buffered flash writes on VExpress |
Date: |
Wed, 20 Nov 2013 09:27:22 +0000 |
On 20 November 2013 09:22, Stefan Hajnoczi <address@hidden> wrote:
> On Tue, Oct 22, 2013 at 09:35:52AM -0700, Roy Franz wrote:
>> This patchset fixes buffered flash writes on the VExpress
>> platform. Buffered writes should now work properly on platforms whose
>> flash interface width is different from the device width. The default
>> is for the device-width to be set to the interface width, so platforms
>> that can benefit from this change will need to be updated. This patchset
>> updates the configuration for the VExpress platform which requires it.
>> UEFI firmware uses buffered writes for persistent variable storage,
>> and this patchset enables this usage on QEMU.
> Looks okay on quick review.
>
> I want to confirm: live migration is not supported?
I don't know if you meant anything special by putting "live"
in there, but migration and save/restore is absolutely supposed
to be supported on the vexpress platform and the pflash
devices (they're in the x86 PC model too...)
-- PMM