On Mon, 4 Jun 2012, Srivatsa S. Bhat wrote: > On 06/04/2012 04:02 PM, Thomas Gleixner wrote: > I can add the prototype w/o the __weak prefix and the #ifndef magic in > include/linux/smpboot.h (which I will, and include it in v2). > > However, I can't get rid of the #ifndef magic in kernel/smpboot.c because > it will cause build failures on x86. > > I addressed this same issue in another email: > https://lkml.org/lkml/2012/6/3/33 > In short, to avoid breaking build on x86. > We wanted to follow the x86 convention of having static inline functions in > arch/x86/include/asm/smp.h and use the smp_ops structure to route the calls > to x86 or xen as appropriate (see patch 4 in this series). Oh no. That's not really a good argument. There is no reason why this _must_ be an inline function on x86. It can be a proper function in arch/x86/kernel/smpboot.c as well. The alternative solution is to generalize the smp_ops approach and get rid of the weak implementations completely. Thanks, tglx -- 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