[Crash-utility] Why module's global symbol cannot be displayed in crash? [ARM]

Mika Westerberg mika.westerberg at iki.fi
Mon Mar 25 18:18:58 UTC 2013


On Mon, Mar 25, 2013 at 12:08:30PM -0400, Dave Anderson wrote:
> Actually, I think this part of the patch should be changed to be
> "THIS_KERNEL_VERSION >= LINUX(3,3,0)":
> 
> +		if (THIS_KERNEL_VERSION >= LINUX(3,2,0) ||
> +		    symbol_exists("idmap_pgd"))
> +			machdep->flags |= IDMAP_PGD;
> +
> 
> because:
> 
>  $ git describe --contains 2c8951ab0c337cb198236df07ad55f9dd4892c26
>  v3.3-rc1~18^2~3^2~15^2~2
>  $

Ah, good point.

> If you download the base linux-3.2.tar.gz and linux-3.3.tar.gz files,
> you'll set that "idmap_pgd" does not exist in linux-3.2, but it does
> show up in linux-3.3.  
> 
> I'll change that...

Thanks!




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