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Re: [Qemu-devel] [PATCH] pflash_cfi01: fix per device sector length in C

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] pflash_cfi01: fix per device sector length in CFI table
Date: Fri, 27 Jan 2017 14:31:16 +0000

On 12 January 2017 at 11:36, Andrew Jones <address@hidden> wrote:
> On Thu, Jan 12, 2017 at 10:42:41AM +0000, Peter Maydell wrote:
>> Thanks for the patch. I haven't checked against the pflash spec yet,
>> but this looks like it's probably the right thing.
>> The only two machines which use a setup with multiple devices (ie
>> which specify device_width to the pflash_cfi01) are vexpress and virt.
>> For all other machines this patch leaves the behaviour unchanged.
>> Q: do we need to have some kind of nasty hack so that pre-2.9 virt
>> still gets the old broken values in the CFI table, for version and
>> migration compatibility? Ccing Drew for an opinion...
> I'm pretty sure we need the nasty hack, but I'm also Ccing David for
> his opinion.

So given our decision about not needing the back-compat property
for the UEFI table entry, do we still agree that we need one here?

-- PMM

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