From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 04/13] perf/hw_breakpoint: Remove superfluous bp->attr.disabled = 0 Date: Mon, 3 Sep 2018 11:52:15 -0300 Message-ID: <20180903145224.12318-5-acme@kernel.org> References: <20180903145224.12318-1-acme@kernel.org> Return-path: In-Reply-To: <20180903145224.12318-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Jiri Olsa , Alexander Shishkin , David Ahern , Milind Chabbi , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa Once the breakpoint was succesfully modified, the attr->disabled value is in bp->attr.disabled. So there's no reason to set it again, removing that. Signed-off-by: Jiri Olsa Acked-by: Frederic Weisbecker Acked-by: Oleg Nesterov Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: David Ahern Cc: Milind Chabbi Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180827091228.2878-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- kernel/events/hw_breakpoint.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/events/hw_breakpoint.c b/kernel/events/hw_breakpoint.c index fb229d9c7f3c..3e560d7609fd 100644 --- a/kernel/events/hw_breakpoint.c +++ b/kernel/events/hw_breakpoint.c @@ -526,10 +526,9 @@ int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *att if (err) return err; - if (!attr->disabled) { + if (!attr->disabled) perf_event_enable(bp); - bp->attr.disabled = 0; - } + return 0; } EXPORT_SYMBOL_GPL(modify_user_hw_breakpoint); -- 2.14.4