Messages in this thread | | | Date | Thu, 08 Jun 2006 08:46:28 +0200 | From | Gerd Hoffmann <> | Subject | Re: 2.6.17-rc6-mm1 |
| |
Andi Kleen wrote: > I don't see an explicit check in alternatives.c for the main kernel > vs init sections and with CPU hotplug the alternatives can be applied > arbitarily after the system has booted. So it would just stomp > over the init text pages which are used for something else now.
very close to the end of the file:
alternatives_smp_module_add(NULL, "core kernel", __smp_locks, __smp_locks_end, _text, _etext);
The core kernel is just a "special" module (where we keep track of the .text section boundaries too), and LOCKs outside the _text -> _etext range are never ever patched.
cheers,
Gerd
-- Gerd Hoffmann <kraxel@suse.de> http://www.suse.de/~kraxel/julika-dora.jpeg - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |