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| author | Ralf Baechle <ralf@linux-mips.org> | 2006-07-12 13:25:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-07-12 13:58:57 -0700 |
| commit | c19c4b9c9acb4ab6f5477ae9ca2c0a8619f19c7a (patch) | |
| tree | 3aaf3c6e4bc9dd797af434b6767c3da5732a6ba1 /net/ax25/ax25_ds_subr.c | |
| parent | da952315c9c625bd513c6162613fd3fd01d91aae (diff) | |
| download | kernel_samsung_tuna-c19c4b9c9acb4ab6f5477ae9ca2c0a8619f19c7a.zip kernel_samsung_tuna-c19c4b9c9acb4ab6f5477ae9ca2c0a8619f19c7a.tar.gz kernel_samsung_tuna-c19c4b9c9acb4ab6f5477ae9ca2c0a8619f19c7a.tar.bz2 | |
[AX.25]: Optimize AX.25 socket list lock
Right now all uses of the ax25_list_lock lock are _bh locks but knowing
some code is only ever getting invoked from _bh context we can better.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ax25/ax25_ds_subr.c')
| -rw-r--r-- | net/ax25/ax25_ds_subr.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ax25/ax25_ds_subr.c b/net/ax25/ax25_ds_subr.c index 1d4ab64..4d22d44 100644 --- a/net/ax25/ax25_ds_subr.c +++ b/net/ax25/ax25_ds_subr.c @@ -80,7 +80,7 @@ void ax25_ds_enquiry_response(ax25_cb *ax25) ax25_start_t3timer(ax25); ax25_ds_set_timer(ax25->ax25_dev); - spin_lock_bh(&ax25_list_lock); + spin_lock(&ax25_list_lock); ax25_for_each(ax25o, node, &ax25_list) { if (ax25o == ax25) continue; @@ -106,7 +106,7 @@ void ax25_ds_enquiry_response(ax25_cb *ax25) if (ax25o->state != AX25_STATE_0) ax25_start_t3timer(ax25o); } - spin_unlock_bh(&ax25_list_lock); + spin_unlock(&ax25_list_lock); } void ax25_ds_establish_data_link(ax25_cb *ax25) @@ -162,13 +162,13 @@ static int ax25_check_dama_slave(ax25_dev *ax25_dev) int res = 0; struct hlist_node *node; - spin_lock_bh(&ax25_list_lock); + spin_lock(&ax25_list_lock); ax25_for_each(ax25, node, &ax25_list) if (ax25->ax25_dev == ax25_dev && (ax25->condition & AX25_COND_DAMA_MODE) && ax25->state > AX25_STATE_1) { res = 1; break; } - spin_unlock_bh(&ax25_list_lock); + spin_unlock(&ax25_list_lock); return res; } |