On Mon, Apr 18, 2005 at 05:37:09PM +0900, Takashi Ikebe wrote: > As you said, if we can migrate the data to new process without > stopping service, it is OK, but the real applications need to > takeover data very much(sometimes it's over gigabyte....depends on > service, and causes service disruption...).
man mmap man 5 ipc > So, live patching seems reasonable to us. That still doesn't tell me why it's necessary to do something so complicated > 2. Activate the patch modules with pannus -a command. > - stop the target process and check current instruction not to conflict. > - if it is not conflict, overwrite the jump assembly to function's > entrypoiny where you want to fix, to patch module's one. > - restart the process. there is a still a stop/start here why not just hand the state of to a different process? how is that slower? > Will this be answer?? maybe, but i'm far from convinced it's necessary and therefore warrants a big ugly kernel patch - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
