Messages in this thread | | | Subject | Re: [patch 2/3] add new macros to make percpu readmostly section correctly align | From | Shaohua Li <> | Date | Tue, 14 Dec 2010 09:08:44 +0800 |
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On Mon, 2010-12-13 at 17:47 +0800, Tejun Heo wrote: > Hello, > > On 12/13/2010 01:41 AM, Shaohua Li wrote: > >> Why add another set of macros? Can't you just make the default one > >> aligned? > > how to do it without changing all arch code? There isn't cache line size > > macro for all arch which could be used in vmlinux.lds.h, IIRC. > > Can't we get around that with some ifdefferies? And even if we'll > have to change lds on every arch, I think we better do it that way. I don't understand what you mean. defining a cachine line size macro for all archs? There is such macro, but using it in vmlinux.ld.h always report error. There is some other defines which can't be included in a link script. > It's not like the problem exists only on x86, right? yes, though currently only x86 has it.
Thanks, Shaohua
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