locking/barriers: Convert users of lockless_dereference() to READ_ONCE()
READ_ONCE() now has an implicit smp_read_barrier_depends() call, so it can be used instead of lockless_dereference() without any change in semantics. Signed-off-by:Will Deacon <will.deacon@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1508840570-22169-4-git-send-email-will.deacon@arm.com Signed-off-by:
Ingo Molnar <mingo@kernel.org>
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- arch/x86/events/core.c 1 addition, 1 deletionarch/x86/events/core.c
- arch/x86/include/asm/mmu_context.h 2 additions, 2 deletionsarch/x86/include/asm/mmu_context.h
- arch/x86/kernel/ldt.c 1 addition, 1 deletionarch/x86/kernel/ldt.c
- drivers/md/dm-mpath.c 10 additions, 10 deletionsdrivers/md/dm-mpath.c
- fs/dcache.c 2 additions, 2 deletionsfs/dcache.c
- fs/overlayfs/ovl_entry.h 1 addition, 1 deletionfs/overlayfs/ovl_entry.h
- fs/overlayfs/readdir.c 1 addition, 1 deletionfs/overlayfs/readdir.c
- include/linux/rculist.h 2 additions, 2 deletionsinclude/linux/rculist.h
- include/linux/rcupdate.h 2 additions, 2 deletionsinclude/linux/rcupdate.h
- kernel/events/core.c 2 additions, 2 deletionskernel/events/core.c
- kernel/seccomp.c 1 addition, 1 deletionkernel/seccomp.c
- kernel/task_work.c 1 addition, 1 deletionkernel/task_work.c
- mm/slab.h 1 addition, 1 deletionmm/slab.h
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