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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
commit | 6d6b89bd2e316b78d668f761d380837b81fa71ef (patch) | |
tree | 7e63c58611fc6181153526abbdafdd846ed1a19d /drivers/net/cxgb3/sge.c | |
parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
parent | 2507c05ff55fbf38326b08ed27eaed233bc75042 (diff) | |
download | blackbird-op-linux-6d6b89bd2e316b78d668f761d380837b81fa71ef.tar.gz blackbird-op-linux-6d6b89bd2e316b78d668f761d380837b81fa71ef.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'drivers/net/cxgb3/sge.c')
-rw-r--r-- | drivers/net/cxgb3/sge.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 318a018ca7c5..048205903741 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -480,6 +480,7 @@ static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q) { if (q->pend_cred >= q->credits / 4) { q->pend_cred = 0; + wmb(); t3_write_reg(adap, A_SG_KDOORBELL, V_EGRCNTX(q->cntxt_id)); } } @@ -2286,11 +2287,14 @@ static int process_responses(struct adapter *adap, struct sge_qset *qs, while (likely(budget_left && is_new_response(r, q))) { int packet_complete, eth, ethpad = 2, lro = qs->lro_enabled; struct sk_buff *skb = NULL; - u32 len, flags = ntohl(r->flags); - __be32 rss_hi = *(const __be32 *)r, - rss_lo = r->rss_hdr.rss_hash_val; + u32 len, flags; + __be32 rss_hi, rss_lo; + rmb(); eth = r->rss_hdr.opcode == CPL_RX_PKT; + rss_hi = *(const __be32 *)r; + rss_lo = r->rss_hdr.rss_hash_val; + flags = ntohl(r->flags); if (unlikely(flags & F_RSPD_ASYNC_NOTIF)) { skb = alloc_skb(AN_PKT_SIZE, GFP_ATOMIC); @@ -2501,7 +2505,10 @@ static int process_pure_responses(struct adapter *adap, struct sge_qset *qs, refill_rspq(adap, q, q->credits); q->credits = 0; } - } while (is_new_response(r, q) && is_pure_response(r)); + if (!is_new_response(r, q)) + break; + rmb(); + } while (is_pure_response(r)); if (sleeping) check_ring_db(adap, qs, sleeping); @@ -2535,6 +2542,7 @@ static inline int handle_responses(struct adapter *adap, struct sge_rspq *q) if (!is_new_response(r, q)) return -1; + rmb(); if (is_pure_response(r) && process_pure_responses(adap, qs, r) == 0) { t3_write_reg(adap, A_SG_GTS, V_RSPQ(q->cntxt_id) | V_NEWTIMER(q->holdoff_tmr) | V_NEWINDEX(q->cidx)); |