Peter Zijlstra c7f2e3cd6c perf: Optimize ring-buffer write by depending on control dependencies ...

Remove a full barrier from the ring-buffer write path by relying on
a control dependency to order a LOAD -> STORE scenario.

Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-8alv40z6ikk57jzbaobnxrjl@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

2013-12-11 15:53:22 +01:00

..

callchain.c

…

core.c

perf: Add active_entry list head to struct perf_event

2013-11-27 11:16:38 +01:00

hw_breakpoint.c

…

internal.h

perf: Fix arch_perf_out_copy_user default

2013-11-06 12:34:25 +01:00

Makefile

…

ring_buffer.c

perf: Optimize ring-buffer write by depending on control dependencies

2013-12-11 15:53:22 +01:00

uprobes.c

uprobes: Document xol_area and arch_uprobe->insn/ixol

2013-11-20 16:31:07 +01:00