The patch titled
hotplug cpu: documentation addition to downing a cpu
has been added to the -mm tree. Its filename is
hotplug-cpu-migrate-a-task-within-its-cpuset-doc.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: hotplug cpu: documentation addition to downing a cpu
From: Cliff Wickman <cpw@xxxxxxx>
Signed-off-by: Cliff Wickman <cpw@xxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Christoph Lameter <clameter@xxxxxxx>
Cc: Paul Jackson <pj@xxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/cpu-hotplug.txt | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
diff -puN Documentation/cpu-hotplug.txt~hotplug-cpu-migrate-a-task-within-its-cpuset-doc Documentation/cpu-hotplug.txt
--- a/Documentation/cpu-hotplug.txt~hotplug-cpu-migrate-a-task-within-its-cpuset-doc
+++ a/Documentation/cpu-hotplug.txt
@@ -220,7 +220,9 @@ A: The following happen, listed in no pa
CPU_DOWN_PREPARE or CPU_DOWN_PREPARE_FROZEN, depending on whether or not the
CPU is being offlined while tasks are frozen due to a suspend operation in
progress
-- All process is migrated away from this outgoing CPU to a new CPU
+- All processes are migrated away from this outgoing CPU to new CPUs.
+ The new CPU is chosen from each process' current cpuset, which may be
+ a subset of all online CPUs.
- All interrupts targeted to this CPU is migrated to a new CPU
- timers/bottom half/task lets are also migrated to a new CPU
- Once all services are migrated, kernel calls an arch specific routine
_
Patches currently in -mm which might be from cpw@xxxxxxx are
do-cpu_dead-migrating-under-read_locktasklist-instead-of-write_lock_irqtasklist.patch
migration_callcpu_dead-use-spin_lock_irq-instead-of-task_rq_lock.patch
hotplug-cpu-migrate-a-task-within-its-cpuset.patch
hotplug-cpu-migrate-a-task-within-its-cpuset-doc.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
