On Mon, 16 Jun 2014, Bart Van Assche wrote: > Evaluating a macro argument only if certain configuration options > have been selected is confusing and error-prone. Hence always > evaluate the second argument of spin_lock_nested() and > spin_lock_nest_lock(). > > This patch has the intentional side effect that it avoids that the > following warning is reported for netif_addr_lock_nested() when > building with CONFIG_DEBUG_LOCK_ALLOC=n and with W=1: > > include/linux/netdevice.h: In function 'netif_addr_lock_nested': > include/linux/netdevice.h:2865:6: warning: variable 'subclass' set but not > used [-Wunused-but-set-variable] > int subclass = SINGLE_DEPTH_NESTING; > ^ > > Signed-off-by: Bart Van Assche <bvanass...@acm.org> > Cc: Ingo Molnar <mi...@kernel.org> > Cc: Peter Zijlstra <a.p.zijls...@chello.nl> > Cc: David S. Miller <da...@davemloft.net>
Acked-by: David Rientjes <rient...@google.com> -- 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/
