2013/1/26 Joe Perches <j...@perches.com>: > 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."
Ok then I'll ignore this patch. If somebody oppose, raise your hand. Thanks. -- 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/
