perf/x86: Add a few more comments
authorPeter Zijlstra <peterz@infradead.org>
Mon, 24 Feb 2014 11:26:21 +0000 (12:26 +0100)
committerIngo Molnar <mingo@kernel.org>
Thu, 27 Feb 2014 11:43:25 +0000 (12:43 +0100)
commitc347a2f1793e285b0812343e715bb7e953dbdf68
tree5a1566147ac559f5eb9c76eb5eb4fb479728a213
parentfdded676c3ef680bf1abc415d307d7e69a6768d1
perf/x86: Add a few more comments

Add a few comments on the ->add(), ->del() and ->*_txn()
implementation.

Requested-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-he3819318c245j7t5e1e22tr@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
arch/x86/kernel/cpu/perf_event.c
arch/x86/kernel/cpu/perf_event.h