Displaying 7 results from an estimated 7 matches for "time_is_before_jiffies".
2008 Jul 14
1
[PATCH] stopmachine: add stopmachine_timeout
On Monday 14 July 2008 21:51:25 Christian Borntraeger wrote:
> Am Montag, 14. Juli 2008 schrieb Hidetoshi Seto:
> > + /* Wait all others come to life */
> > + while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
> > + if (time_is_before_jiffies(limit))
> > + goto timeout;
> > + cpu_relax();
> > + }
> > +
>
> Hmm. I think this could become interesting on virtual machines. The
> hypervisor might be to busy to schedule a specific cpu at certain load
> scenarios. This would cause a failure even if the cp...
2008 Jul 14
1
[PATCH] stopmachine: add stopmachine_timeout
On Monday 14 July 2008 21:51:25 Christian Borntraeger wrote:
> Am Montag, 14. Juli 2008 schrieb Hidetoshi Seto:
> > + /* Wait all others come to life */
> > + while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
> > + if (time_is_before_jiffies(limit))
> > + goto timeout;
> > + cpu_relax();
> > + }
> > +
>
> Hmm. I think this could become interesting on virtual machines. The
> hypervisor might be to busy to schedule a specific cpu at certain load
> scenarios. This would cause a failure even if the cp...
2013 Aug 26
0
[PATCH] bridge: separate querier and query timer into IGMP/IPv4 and MLD/IPv6 ones
...03,11 +509,31 @@ static inline bool br_multicast_is_router(struct net_bridge *br)
timer_pending(&br->multicast_router_timer));
}
-static inline bool br_multicast_querier_exists(struct net_bridge *br)
+static inline bool br_ip4_multicast_querier_exists(struct net_bridge *br)
{
- return time_is_before_jiffies(br->multicast_querier_delay_time) &&
+ return time_is_before_jiffies(br->ip4_multicast_querier_delay_time) &&
(br->multicast_querier ||
- timer_pending(&br->multicast_querier_timer));
+ timer_pending(&br->ip4_multicast_querier_timer));
+}
+
+static...
2008 Jul 16
2
[PATCH] stopmachine: add stopmachine_timeout v2
...+ cpus_clear(prepared_cpus);
get_cpu();
for_each_online_cpu(i)
wake_up_process(threads[i]);
+ /* Wait all others come to life */
+ if (stopmachine_timeout) {
+ limit = jiffies + msecs_to_jiffies(stopmachine_timeout);
+ while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
+ if (time_is_before_jiffies(limit))
+ goto timeout;
+ cpu_relax();
+ }
+ }
+
/* This will release the thread on our CPU. */
put_cpu();
wait_for_completion(&finished);
@@ -169,10 +195,32 @@ kill_threads:
for_each_online_cpu(i)
if (threads[i])
kthread_stop(threads[i]);
+ atomic_set(&num_threads, 0);...
2008 Jul 16
2
[PATCH] stopmachine: add stopmachine_timeout v2
...+ cpus_clear(prepared_cpus);
get_cpu();
for_each_online_cpu(i)
wake_up_process(threads[i]);
+ /* Wait all others come to life */
+ if (stopmachine_timeout) {
+ limit = jiffies + msecs_to_jiffies(stopmachine_timeout);
+ while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
+ if (time_is_before_jiffies(limit))
+ goto timeout;
+ cpu_relax();
+ }
+ }
+
/* This will release the thread on our CPU. */
put_cpu();
wait_for_completion(&finished);
@@ -169,10 +195,32 @@ kill_threads:
for_each_online_cpu(i)
if (threads[i])
kthread_stop(threads[i]);
+ atomic_set(&num_threads, 0);...
2008 Jul 17
1
[PATCH] stopmachine: add stopmachine_timeout v4
...+ cpus_clear(prepared_cpus);
get_cpu();
for_each_online_cpu(i)
wake_up_process(threads[i]);
+ /* Wait all others come to life */
+ if (stopmachine_timeout) {
+ limit = jiffies + msecs_to_jiffies(stopmachine_timeout);
+ while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
+ if (time_is_before_jiffies(limit))
+ goto timeout;
+ cpu_relax();
+ }
+ }
+
/* This will release the thread on our CPU. */
put_cpu();
wait_for_completion(&finished);
@@ -169,10 +195,32 @@ kill_threads:
for_each_online_cpu(i)
if (threads[i])
kthread_stop(threads[i]);
+ atomic_set(&num_threads, 0);...
2008 Jul 17
1
[PATCH] stopmachine: add stopmachine_timeout v4
...+ cpus_clear(prepared_cpus);
get_cpu();
for_each_online_cpu(i)
wake_up_process(threads[i]);
+ /* Wait all others come to life */
+ if (stopmachine_timeout) {
+ limit = jiffies + msecs_to_jiffies(stopmachine_timeout);
+ while (cpus_weight(prepared_cpus) != num_online_cpus() - 1) {
+ if (time_is_before_jiffies(limit))
+ goto timeout;
+ cpu_relax();
+ }
+ }
+
/* This will release the thread on our CPU. */
put_cpu();
wait_for_completion(&finished);
@@ -169,10 +195,32 @@ kill_threads:
for_each_online_cpu(i)
if (threads[i])
kthread_stop(threads[i]);
+ atomic_set(&num_threads, 0);...