Messages in this thread | | | Date | Wed, 17 Feb 2010 14:57:42 +0100 | From | Michal Marek <> | Subject | Re: [PATCH 2/5] bitops: compile time optimization for hweight_long(CONSTANT) |
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On 12.2.2010 20:05, H. Peter Anvin wrote: > On 02/12/2010 09:47 AM, Borislav Petkov wrote: >> >> However, this is generic code and for the above to work we have to >> enforce x86-specific CFLAGS for it. What is the preferred way to do >> that? >> > > That's a question for Michal and the kbuild list. Michal?
(I was offline last week).
The _preferred_ way probably is not to do it :), but otherwise you can set CFLAGS_hweight.o depending on CONFIG_X86(_32|_64), just like you do in arch/x86/lib/Makefile already.
Michal
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