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| /linux-master/kernel/rcu/ | ||
| H A D | update.c | diff 61f38db3 Sun Apr 27 00:15:35 MDT 2014 Rik van Riel <riel@redhat.com> rcu: Provide API to suppress stall warnings while sysrc runs Some sysrq handlers can run for a long time, because they dump a lot of data onto a serial console. Having RCU stall warnings pop up in the middle of them only makes the problem worse. This commit provides rcu_sysrq_start() and rcu_sysrq_end() APIs to temporarily suppress RCU CPU stall warnings while a sysrq request is handled. Signed-off-by: Rik van Riel <riel@redhat.com> [ paulmck: Fix TINY_RCU build error. ] Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> diff 61f38db3 Sun Apr 27 00:15:35 MDT 2014 Rik van Riel <riel@redhat.com> rcu: Provide API to suppress stall warnings while sysrc runs Some sysrq handlers can run for a long time, because they dump a lot of data onto a serial console. Having RCU stall warnings pop up in the middle of them only makes the problem worse. This commit provides rcu_sysrq_start() and rcu_sysrq_end() APIs to temporarily suppress RCU CPU stall warnings while a sysrq request is handled. Signed-off-by: Rik van Riel <riel@redhat.com> [ paulmck: Fix TINY_RCU build error. ] Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
| /linux-master/include/linux/ | ||
| H A D | rcupdate.h | diff 61f38db3 Sun Apr 27 00:15:35 MDT 2014 Rik van Riel <riel@redhat.com> rcu: Provide API to suppress stall warnings while sysrc runs Some sysrq handlers can run for a long time, because they dump a lot of data onto a serial console. Having RCU stall warnings pop up in the middle of them only makes the problem worse. This commit provides rcu_sysrq_start() and rcu_sysrq_end() APIs to temporarily suppress RCU CPU stall warnings while a sysrq request is handled. Signed-off-by: Rik van Riel <riel@redhat.com> [ paulmck: Fix TINY_RCU build error. ] Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> diff 61f38db3 Sun Apr 27 00:15:35 MDT 2014 Rik van Riel <riel@redhat.com> rcu: Provide API to suppress stall warnings while sysrc runs Some sysrq handlers can run for a long time, because they dump a lot of data onto a serial console. Having RCU stall warnings pop up in the middle of them only makes the problem worse. This commit provides rcu_sysrq_start() and rcu_sysrq_end() APIs to temporarily suppress RCU CPU stall warnings while a sysrq request is handled. Signed-off-by: Rik van Riel <riel@redhat.com> [ paulmck: Fix TINY_RCU build error. ] Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> |
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