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[PATCH] deprecate the tasklist_lock export 

Drivers have no business looking at the task list and thus using this lock.
 The only possibly modular users left are:

 arch/ia64/kernel/mca.c
 drivers/edac/edac_mc.c
 fs/binfmt_elf.c

which I'll send out fixes for soon.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Christoph Hellwig 2006-03-24 03:18:33 -08:00 committed by Linus Torvalds
parent 554b7c801e
commit de62a97ef5
1 changed files with 11 additions and 0 deletions
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Documentation/feature-removal-schedule.txt
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@ -185,6 +185,17 @@ Who: Jean Delvare <khali@linux-fr.org>
--------------------------- ---------------------------
What: remove EXPORT_SYMBOL(tasklist_lock)
When: August 2006
Files: kernel/fork.c
Why: tasklist_lock protects the kernel internal task list. Modules have
no business looking at it, and all instances in drivers have been due
to use of too-lowlevel APIs. Having this symbol exported prevents
moving to more scalable locking schemes for the task list.
Who: Christoph Hellwig <hch@lst.de>
---------------------------
What: mount/umount uevents What: mount/umount uevents
When: February 2007 When: February 2007
Why: These events are not correct, and do not properly let userspace know Why: These events are not correct, and do not properly let userspace know