Commit bc05f9bc authored Apr 11, 2018 by Jakub Kicinski Committed by David S. Miller Apr 12, 2018

nfp: print a message when mutex wait is interrupted



When waiting for an NFP mutex is interrupted print a message
to make root causing later error messages easier.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5496295a

drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -211,8 +211,11 @@ int nfp_cpp_mutex_lock(struct nfp_cpp_mutex *mutex)
		break;

		err = msleep_interruptible(timeout_ms);
		if (err != 0)
		if (err != 0) {
		nfp_info(mutex->cpp,
		"interrupted waiting for NFP mutex\n");
		return -ERESTARTSYS;
		}

		if (time_is_before_eq_jiffies(warn_at)) {
		warn_at = jiffies + NFP_MUTEX_WAIT_NEXT_WARN * HZ;