linux-kernel - [PATCH 3/6] tools thermal tmon: Use -O3 instead of -O1 if available

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Date:   Wed, 12 Dec 2018 11:25:34 +0100
From:   Jiri Olsa <jolsa@...nel.org>
To:     lkml <linux-kernel@...r.kernel.org>
Cc:     Brian Norris <computersforpeace@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Markus Mayer <mmayer@...adcom.com>,
        "Herton R. Krzesinski" <herton@...hat.com>
Subject: [PATCH 3/6] tools thermal tmon: Use -O3 instead of -O1 if available

Using -O3 instead of -O1 if it's supported by compiler.

Cc: Brian Norris <computersforpeace@...il.com>
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: Markus Mayer <mmayer@...adcom.com>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/thermal/tmon/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/thermal/tmon/Makefile b/tools/thermal/tmon/Makefile
index 89a2444c1df2..59e417ec3e13 100644
--- a/tools/thermal/tmon/Makefile
+++ b/tools/thermal/tmon/Makefile
@@ -6,7 +6,7 @@ VERSION = 1.0
 
 BINDIR=usr/bin
 WARNFLAGS=-Wall -Wshadow -W -Wformat -Wimplicit-function-declaration -Wimplicit-int
-override CFLAGS+= -O1 ${WARNFLAGS}
+override CFLAGS+= $(call cc-option,-O3,-O1) ${WARNFLAGS}
 # Add "-fstack-protector" only if toolchain supports it.
 override CFLAGS+= $(call cc-option,-fstack-protector-strong)
 CC?= $(CROSS_COMPILE)gcc
-- 
2.17.2