Messages in this thread | | | Date | Tue, 30 Jul 2019 06:42:51 -0700 | Subject | Re: [PATCH] x86: drop REG_OUT macro from hweight functions | From | hpa@zytor ... |
| |
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.
| |