Messages in this thread | | | Date | Wed, 22 May 2013 11:11:56 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] kernel/sched/core.c: need return NULL when BUG() is defined as empty. |
| |
On Mon, May 20, 2013 at 03:48:53PM +0800, Chen Gang wrote: > > When neither CONFIG_BUG nor HAVE_ARCH_BUG is defined, need let function > return failure value ('NULL') instead of random value.
What will such a kernel do? Happily continue running whenever we hit a BUG? that seems like a particularly bad idea. Should we not have a stub BUG() function like:
void BUG(void) __attribute__((noreturn)) { local_irq_disable(); while (1) ; }
Which would at least halt things?
| |