Hi Wolfgang,
On 03/09/11 22:13, Wolfgang Denk wrote:
> Dear Graeme Russ,
>
> In message <1315048903-23217-1-git-send-email-graeme.r...@gmail.com> you
> wrote:
>> The CRC is generated by:
>> - Pre-processing common.h (which includes global_data.h after all the
>> board, arch and SoC defines are set)
>> - Searches for a chunk of text delimited by 'typedef struct global_data {'
>> and '} gd_t;'
>> - Strips all blank lines and whitespaces (pre-processor already took care
>> of comments)
>> - Pipes the result through 'tools/gencrc32header/gencrc32header'
>
> Sorry, but I don't consider this an even halfway robust or reliable
> method. Minor changes to the text formatting, changes to remove for
> example the typedef, renames of fields or appending additional fields
> will all break this, while tere will actually be no problems with the
> code.
>
> THis is a level of make-believe security that is fragile, and I doubt
> if it's really useful, or needed.
>
>
> It's a nice idea, but the problem it addresses is mostly a theoretical
> one - has anybody seen any actual bug reports that this has ever been
> a real problem?
Back the original question that spawned this - asked several times and
never answered - Does a modification to the Global Data structure trigger
an increment of XF_VERSION?
If the answer is No, then no problems, dropping this is OK by me
However, if the answer is 'yes', what do we do about the #ifdefs?
Regards,
Graeme
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