From: Zhaoyang Liu <[email protected]> This patch does away with spinlock in mwifiex_wmm_get_highest_priolist_ptr in order to improve TP.
Signed-off-by: Zhaoyang Liu <[email protected]> Signed-off-by: Avinash Patil <[email protected]> --- drivers/net/wireless/mwifiex/wmm.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 2d14dd5..a6db12c 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -944,14 +944,11 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, struct mwifiex_ra_list_tbl *ptr; struct mwifiex_tid_tbl *tid_ptr; atomic_t *hqp; - unsigned long flags_bss, flags_ra; + unsigned long flags_ra; int i, j; /* check the BSS with highest priority first */ for (j = adapter->priv_num - 1; j >= 0; --j) { - spin_lock_irqsave(&adapter->bss_prio_tbl[j].bss_prio_lock, - flags_bss); - /* iterate over BSS with the equal priority */ list_for_each_entry(adapter->bss_prio_tbl[j].bss_prio_cur, &adapter->bss_prio_tbl[j].bss_prio_head, @@ -987,19 +984,15 @@ mwifiex_wmm_get_highest_priolist_ptr(struct mwifiex_adapter *adapter, } } - spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock, - flags_bss); } return NULL; found: - /* holds bss_prio_lock / ra_list_spinlock */ + /* holds ra_list_spinlock */ if (atomic_read(hqp) > i) atomic_set(hqp, i); spin_unlock_irqrestore(&priv_tmp->wmm.ra_list_spinlock, flags_ra); - spin_unlock_irqrestore(&adapter->bss_prio_tbl[j].bss_prio_lock, - flags_bss); *priv = priv_tmp; *tid = tos_to_tid[i]; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
