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author | Olof Johansson <olof@lixom.net> | 2012-09-16 22:24:53 -0400 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-16 22:24:53 -0400 |
commit | d1226e8f98f130918265fb5b4dddcb60b783eb34 (patch) | |
tree | 5272a7828311a9b336d15c005704cf27b083d41c /net/core/netpoll.c | |
parent | cccc277ba840f32d252a785ab1df686fdc0f49f5 (diff) | |
parent | 47d85ec2a23552fd3d8b56778a23a5a843c5b9b1 (diff) |
Merge tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Kevin Hilman <khilman@ti.com>:
Updates for omap_device layer for v3.7.
Allows omap_device layer to keep track of driver bound status in order
to make more intelligent decisions about idling unused devices.
* tag 'devel-omap-device-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: omap_device: idle devices with no driver bound
ARM: OMAP: omap_device: don't attempt late suspend if no driver bound
ARM: OMAP: omap_device: keep track of driver bound status
+ sync to 3.6-rc5
Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r-- | net/core/netpoll.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 346b1eb83a1f..e4ba3e70c174 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c | |||
@@ -168,24 +168,16 @@ static void poll_napi(struct net_device *dev) | |||
168 | struct napi_struct *napi; | 168 | struct napi_struct *napi; |
169 | int budget = 16; | 169 | int budget = 16; |
170 | 170 | ||
171 | WARN_ON_ONCE(!irqs_disabled()); | ||
172 | |||
173 | list_for_each_entry(napi, &dev->napi_list, dev_list) { | 171 | list_for_each_entry(napi, &dev->napi_list, dev_list) { |
174 | local_irq_enable(); | ||
175 | if (napi->poll_owner != smp_processor_id() && | 172 | if (napi->poll_owner != smp_processor_id() && |
176 | spin_trylock(&napi->poll_lock)) { | 173 | spin_trylock(&napi->poll_lock)) { |
177 | rcu_read_lock_bh(); | ||
178 | budget = poll_one_napi(rcu_dereference_bh(dev->npinfo), | 174 | budget = poll_one_napi(rcu_dereference_bh(dev->npinfo), |
179 | napi, budget); | 175 | napi, budget); |
180 | rcu_read_unlock_bh(); | ||
181 | spin_unlock(&napi->poll_lock); | 176 | spin_unlock(&napi->poll_lock); |
182 | 177 | ||
183 | if (!budget) { | 178 | if (!budget) |
184 | local_irq_disable(); | ||
185 | break; | 179 | break; |
186 | } | ||
187 | } | 180 | } |
188 | local_irq_disable(); | ||
189 | } | 181 | } |
190 | } | 182 | } |
191 | 183 | ||