Re: [Xen-devel] [PATCH 2/2] hvmloader: remove timestamp from vgabios

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 03/02/15 16:18, Ian Campbell wrote:
> On Tue, 2015-02-03 at 16:06 +0000, Andrew Cooper wrote:
>> On 03/02/15 15:54, Olaf Hering wrote:
>>> Including a timestamp into the binary makes it impossible to get
>>> reproducible binaries. Remove the timestamp because it carries no
>>> valuable info.
>>>
>>> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
>>> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
>>> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
>>> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
>>> Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
>> In this case, it would appear that the vgabios_date symbol is completely
>> unused inside the binary.  Good riddance!
> I think it is actually used because the string at vgabios_version
> (deliberately) falls through.

Oh - so it does.  (I misread that as an .asciz).

>
> Olof, you just removed the nul terminator used there AFAICT. At best
> this means that the vgabios_copyright is printed twice.

In which case the 0a/0d and NUL characters need to stay, although the
single space above vgabios_date can be discarded.

~Andrew

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