On Sat, 2013-01-26 at 01:45 +0100, Frederic Weisbecker wrote: > > diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c [] > > @@ -282,7 +282,7 @@ static __always_inline bool > > steal_account_process_tick(void) [] > > - return st; > > + return !!st; > > I would expect gcc to perform the semantic "!!" cast implicitly. I > just did some basic tests locally and it does. > I prefer to be paranoid and not do any assumption though, unless I'm > told gcc always guarantees this correct implicit cast. I'm queuing > this patch and will send it to Ingo.
It's unnecessary. 6.3.1.2p1: "When any scalar value is converted to _Bool, the result is 0 if the value compares equal to 0; otherwise, the result is 1." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
