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caif: Use rcu_read_lock in CAIF mux layer.

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Replace spin_lock with rcu_read_lock when accessing lists to layers
and cache. While packets are in flight rcu_read_lock should not be held,
instead ref-counters are used in combination with RCU.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
sjur.brandeland@stericsson.com
2011-05-13 02:43:59 +00:00
committed by David S. Miller
parent 1b1cb1f78a
commit 0b1e9738de
3 changed files with 85 additions and 44 deletions
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2
include/net/caif/cffrml.h
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@@ -12,5 +12,7 @@ struct cffrml;
struct cflayer *cffrml_create(u16 phyid, bool DoFCS);
void cffrml_set_uplayer(struct cflayer *this, struct cflayer *up);
void cffrml_set_dnlayer(struct cflayer *this, struct cflayer *dn);
void cffrml_put(struct cflayer *layr);
void cffrml_hold(struct cflayer *layr);
#endif /* CFFRML_H_ */