Messages in this thread | | | Date | Wed, 5 Jul 2006 14:09:48 -0700 | From | "Siddha, Suresh B" <> | Subject | Re: [patch] sched: fix macro -> inline function conversion bug |
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On Wed, Jul 05, 2006 at 10:02:45PM +0200, Ingo Molnar wrote: > > * Siddha, Suresh B <suresh.b.siddha@intel.com> wrote: > > > - if (sd && sd->flags & flag) > > + if (sd && !(sd->flags & flag)) > > use test_sd_flag() here, as i did in my fix patch. > > > -#define test_sd_flag(sd, flag) ((sd && sd->flags & flag) ? 1 : 0) > > +#define test_sd_flag(sd, flag) ((sd && (sd->flags & flag)) ? 1 : 0) > > remove the 'sd' check in test_sd_flag. In the other cases we know that > there's an sd. (it's usually a sign of spaghetti code if tests like this > include a check for the existence of the object checked)
In other cases, we are passing sd->parent as the first argument to test_sd_flag(). We know that there is a 'sd' but not sure about sd->parent or sd->child.
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