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4 commits

Author SHA1 Message Date
Peter Zijlstra
10cd706d18 lockdep: x86_64: connect the sysexit hook 
Run the lockdep_sys_exit hook after all other C code on the syscall
return path.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2007-10-11 22:11:12 +02:00
Nick Piggin
df1bdc0667 x86: fence oostores on 64-bit 
movnt* instructions are not strongly ordered with respect to other stores,
so if we are to assume stores are strongly ordered in the rest of the 64
bit code, we must fence these off (see similar examples in 32 bit code).

[ The AMD memory ordering document seems to say that nontemporal stores can
  also pass earlier regular stores, so maybe we need sfences _before_
  movnt* everywhere too? ]

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2007-10-12 18:41:21 -07:00
Thomas Gleixner
185f3d3890 x86_64: move lib 
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2007-10-11 11:17:08 +02:00
Thomas Gleixner
44f0257fc3 i386: move lib 
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 2007-10-11 11:16:33 +02:00