Messages in this thread | | | Date | Thu, 31 Jul 2003 19:30:51 -0400 | From | Joe Korty <> | Subject | Re: [PATCH] protect migration/%d etc from sched_setaffinity |
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On Fri, Aug 01, 2003 at 01:17:34AM +0200, Andi Kleen wrote: > Joe Korty <joe.korty@ccur.com> writes: > > > > diff -Nura linux-2.6.0-test2/include/linux/sched.h.orig linux-2.6.0-test2/include/linux/sched.h > > --- linux-2.6.0-test2/include/linux/sched.h.orig 2003-07-27 12:57:39.000000000 -0400 > > +++ linux-2.6.0-test2/include/linux/sched.h 2003-07-31 15:52:25.000000000 -0400 > > @@ -488,6 +488,7 @@ > > #define PF_LESS_THROTTLE 0x01000000 /* Throttle me less: I clena memory */ > > #define PF_SYNCWRITE 0x00200000 /* I am doing a sync write */ > > #define PF_READAHEAD 0x00400000 /* I am doing read-ahead */ > > +#define PF_CPULOCK 0x00800000 /* lock users out from changing cpus_allowed */ > > It would be probably better to just check for ->mm == NULL > > This should catch all kernel threads that use daemonize > > -Andi
That is what Robert suggested and it is acceptable to me, though suboptimal..it blocks every daemon, not just the ones that have to be blocked for system survivability. Joe - 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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