Messages in this thread | | | Date | Mon, 29 Sep 2008 14:59:17 -0700 | From | dean gaudet <> | Subject | Re: Faster getcpu() and sched_getcpu() |
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[attempting resend in plain-text only because thunderbird lost the battle vs. vger]
dean gaudet wrote: > Andi Kleen wrote: >> On Mon, Sep 29, 2008 at 11:01:26AM -0700, Pardo wrote: >> >>>> [Maybe disable frame pointers for vsyscall.c and the vdso?] >>>> >>> IIRC, some vsyscall.c code needs them enabled, so Dean's earlier patch split >>> >> >> I don't think it really needs it. >> >> >>> vsyscall.c, creating a vsyscall_user.c for code which can run without them. >>> Seem reasonable? >>> >> >> Seems unnecessarily complicated. >> > > i disagree that it's complicated to have two files, and disagree that > it's unnecessary to have two files. > > userland code does not have the same limitations/conventions as kernel > code. the ABIs are completely different. > > -dean
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