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5 Commits
Author SHA1 Message Date
Ingo Molnar 1fb00c6cbd [PATCH] work around ppc64 bootup bug by making mutex-debugging save/restore irqs 
It seems ppc64 wants to lock mutexes in early bootup code, with interrupts
disabled, and they expect interrupts to stay disabled, else they crash.

Work around this bug by making mutex debugging variants save/restore irq
flags.

Signed-off-by: Ingo Molnar <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2006-06-26 09:58:16 -07:00
Ingo Molnar 02706647a4 [PATCH] mutex: trivial whitespace cleanups 
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2006-01-10 14:27:59 -08:00
Ingo Molnar c544bdb199 [PATCH] mark mutex_lock*() as might_sleep() 
Mark mutex_lock() and mutex_lock_interruptible() as might_sleep()
functions.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2006-01-10 13:20:47 -08:00
Ingo Molnar 73165b88ff [PATCH] fix i386 mutex fastpath on FRAME_POINTER && !DEBUG_MUTEXES 
Call the mutex slowpath more conservatively - e.g.  FRAME_POINTERS can
change the calling convention, in which case a direct branch to the
slowpath becomes illegal.  Bug found by Hugh Dickins.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
 2006-01-10 13:20:47 -08:00
Ingo Molnar 6053ee3b32 [PATCH] mutex subsystem, core 
mutex implementation, core files: just the basic subsystem, no users of it.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Arjan van de Ven <[email protected]>
 2006-01-09 15:59:19 -08:00