Re: [PATCH v2] modpost: fix unwanted VMLINUX_SYMBOL_STR expansion

From: Rusty Russell
Date: Sun Apr 28 2013 - 23:18:57 EST

James Hogan <james.hogan@xxxxxxxxxx> writes:
> Commit a4b6a77b77ba4f526392612c2365797fab956014 ("module: fix symbol
> versioning with symbol prefixes") broke the MODVERSIONS loading of any
> module using memcmp (e.g. ipv6) on x86_32, as it's defined to
> __builtin_memcmp which is expanded by VMLINUX_SYMBOL_STR. Use
> __VMLINUX_SYMBOL_STR instead which doesn't expand the argument.
> Reported-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Reported-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Signed-off-by: James Hogan <james.hogan@xxxxxxxxxx>
> Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Tested-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Tested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
> I've corrected commit message tags for Rusty's convenience.
> Updated Reported-by to include Andy
> Taken the liberty of adding Tetsuo's Tested-by


Thanks especially for chasing this: I was away for a few days last week.

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