[PATCH] ARM: Avoid discarding sections that might have SMP_ON_UP fixups

Russell King - ARM Linux linux at arm.linux.org.uk
Thu Feb 10 07:56:24 EST 2011


On Wed, Feb 09, 2011 at 02:22:11PM +0000, Russell King - ARM Linux wrote:
> On Wed, Jan 26, 2011 at 05:25:35PM +0000, Dave P. Martin wrote:
> > SMP_ON_UP fixups lead to vmlinux link errors if those sections are
> > discarded at link-time.  In particular this may happen for built-in
> > __exit stuff.
> > 
> > This patch modifies the vmlinux linker script to reduce the amount
> > of discarded sections, and tries to make sure that __exit sections
> > are kept in.
> > 
> > This is a hack and probably wrong!  Further discussion is needed.  
> 
> Can you send the configuration which you see this problem with?
> I've tried to build a kernel which inlines the spinlocks, but I find
> that's not possible, so I'm doubting whether any fix is required for
> mainline.

Any news on this, or can it not be reproduced?



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