Messages in this thread | | | Date | Mon, 4 Jun 2012 15:18:56 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH 01/27] smpboot: Provide a generic method to boot secondary processors |
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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
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