Messages in this thread | | | Date | Thu, 19 Feb 2004 21:32:34 -0000 (WET) | Subject | Re: Hot kernel change | From | "Carlos Silva" <> |
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> On Thu, 19 Feb 2004 13:33:43 -0000 (WET) "Carlos Silva" > <r3pek@r3pek.homelinux.org> wrote: > > | hi, > | > | i would like to know if isn't it possible to implement a hot kernel > | change, i mean, without reboot. i would do it myself if i had the > knoledge > | to do it but i'm starting with kernel-level programing now. i think it > | would be possible if we make something like M$'s OS do when it > hibernates, > | copy all the memory, registers, etc to the disc and then put all back > | again. > | > | am i dreaming or this is possible? :) > > The kexec patch is basically "linux reboots linux". > It bypasses the firmware/BIOS to do the reboot. > > Patches for 2.6.0 and 2.6.1 are here (I haven't updated for > 2.6.2 or 2.6.3 yet): > http://developer.osdl.org/rddunlap/kexec/ > > Patches for some 2.5.x kernels are here: > http://www.xmission.com/~ebiederm/files/kexec/ > > kexec does reduce reboot time quite a bit on some machines, but > there is still a noticeable pause. >
well, what can i say? this is nice, really nice :) but still reboots the machine... :D but it's a thing that i will test when a patch for the 2.6.3 kernel gets out. - 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/
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