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SubjectRe: [PATCH] x86: drop REG_OUT macro from hweight functions
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On July 30, 2019 1:08:43 AM PDT, Peter Zijlstra <peterz@infradead.org> wrote:
>On Mon, Jul 29, 2019 at 11:44:17PM +0300, Alexey Dobriyan wrote:
>> On Mon, Jul 29, 2019 at 12:04:47PM +0200, Peter Zijlstra wrote:
>> > +#define _ASM_ARG1B __ASM_FORM_RAW(dil)
>> > +#define _ASM_ARG2B __ASM_FORM_RAW(sil)
>> > +#define _ASM_ARG3B __ASM_FORM_RAW(dl)
>> > +#define _ASM_ARG4B __ASM_FORM_RAW(cl)
>> > +#define _ASM_ARG5B __ASM_FORM_RAW(r8b)
>> > +#define _ASM_ARG6B __ASM_FORM_RAW(r9b)
>>
>> I preprocessed percpu code once to see what precisely it does because
>> it was easier than wading through forest of macroes.
>
>Per cpu is easy, try reading the tracepoint code ;-)

Sometimes it's the .s file one ends up wanting to check out...
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.

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