[PATCH 1/1] [RFCv2] arm: add half-word __xchg

Russell King - ARM Linux linux at arm.linux.org.uk
Sat Mar 27 20:18:20 EDT 2010


On Sun, Mar 28, 2010 at 12:14:29AM +0000, Jamie Lokier wrote:
> But seeing as this is for ARM only at present, I'd just change the
> types to u32 and be done with it.  It does seem like a good thing to
> go to asm-generic eventually though.

Which is why having it use __alignof__ now would be a good idea - it
avoids someone blindly copying the code and then there being a subtle
bug in it.

I was wondering if a generic PTR_ALIGN(type, ptr) macro would be a
good idea too.



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