Messages in this thread | | | Date | Sun, 17 Feb 2008 11:46:13 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [RFC] [PATCH] x86: Use ELF section to list CPU vendor specific code (Linux Tiny) |
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Ingo Molnar wrote: > * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > >> Le Mon, 11 Feb 2008 16:54:30 -0800, >> "H. Peter Anvin" <hpa@zytor.com> a écrit : >> >>> b) would be my first choice, and yes, it would be a good thing to >>> have a generalized mechanism for this. For the registrant, it's >>> pretty easy: just add a macro that adds a pointer to a named >>> section. We then need a way to get the base address and length of >>> each such section in order to be able to execute each function in >>> sequence. >> You'll find below a tentative patch that implements this. Tuple >> (vendor, pointer to cpu_dev structure) are stored in a >> x86cpuvendor.init section of the kernel, which is then read by the >> generic CPU code in arch/x86/kernel/cpu/common.c to fill the >> cpu_devs[] function. > > thanks, i've picked this up into x86.git. It all looks much cleaner and > much more maintainable now. Peter, any objections? >
Looks great to me.
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