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authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2009-07-02 20:08:31 -0400
committerDave Jones <davej@redhat.com>2009-07-06 21:38:28 -0400
commit37c90e8887efd218dc4af949b7f498ca2da4af9f (patch)
tree437ba6c24556b22e5094f206e62711cabfb6586e /Documentation/feature-removal-schedule.txt
parent7d26e2d5e2da37e92c6c7644b26b294dedd8c982 (diff)
[CPUFREQ] Mark policy_rwsem as going static in cpufreq.c wont be exported
lock_policy_rwsem_* and unlock_policy_rwsem_* routines in cpufreq.c are currently exported to drivers. Improper use of those locks can result in deadlocks and it is better to keep the locks localized. Two previous in-kernel users of these interfaces (ondemand and conservative), do not use this interfaces any more. Schedule them for removal. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'Documentation/feature-removal-schedule.txt')
-rw-r--r--Documentation/feature-removal-schedule.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index f8cd450be9aa..09e031c55887 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -458,3 +458,13 @@ Why: Remove the old legacy 32bit machine check code. This has been
458 but the old version has been kept around for easier testing. Note this 458 but the old version has been kept around for easier testing. Note this
459 doesn't impact the old P5 and WinChip machine check handlers. 459 doesn't impact the old P5 and WinChip machine check handlers.
460Who: Andi Kleen <andi@firstfloor.org> 460Who: Andi Kleen <andi@firstfloor.org>
461
462----------------------------
463
464What: lock_policy_rwsem_* and unlock_policy_rwsem_* will not be
465 exported interface anymore.
466When: 2.6.33
467Why: cpu_policy_rwsem has a new cleaner definition making it local to
468 cpufreq core and contained inside cpufreq.c. Other dependent
469 drivers should not use it in order to safely avoid lockdep issues.
470Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>