On Fri, Feb 21, 2014 at 12:09:57PM -0500, Waiman Long wrote: > On 02/21/2014 12:08 PM, Waiman Long wrote: > >On 02/21/2014 07:12 AM, Peter Zijlstra wrote: > >> > >>Why is this x86 only code? > > > >The code is making use of the fact that byte write is atomic which is true > >in x86 and probably in a few other architectures. I could pull these codes > >into the generic qspinlock.c file and set a flag in the asm header file to > >activate it if it is what you want. > > > >-Longman > > BTW, I also assume that 8-bit and 16-bit cmpxchg() and xchg() are available. Right, screw Alpha :-) Just pull it into the generic code; its far too much code to replicate per arch. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
