diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2018-04-12 02:47:36 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-04-13 04:57:27 +0300 |
| commit | bc05f9bcd8cb62f935625850e535da183b4a07c0 (patch) | |
| tree | 108ab26457240b7ac7f1dd6d7eee2edac1d0e410 /drivers | |
| parent | 5496295aefe86995e41398b0f76de601308fc3f5 (diff) | |
| download | linux-bc05f9bcd8cb62f935625850e535da183b4a07c0.tar.xz | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c index f7b958181126..cb28ac03e4ca 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_mutex.c @@ -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; |