Patch "cpupowerutils: bench - Fix cpu online check" has been added to the 4.9-stable tree

Patch "cpupowerutils: bench - Fix cpu online check" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    cpupowerutils: bench - Fix cpu online check

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     cpupowerutils-bench-fix-cpu-online-check.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Thu Feb  1 13:58:04 CET 2018
From: Abhishek Goel <huntbag@linux.vnet.ibm.com>
Date: Tue, 7 Nov 2017 15:17:55 +0530
Subject: cpupowerutils: bench - Fix cpu online check

From: Abhishek Goel <huntbag@linux.vnet.ibm.com>


[ Upstream commit 53d1cd6b125fb9d69303516a1179ebc3b72f797a ]

cpupower_is_cpu_online was incorrectly checking for 0. This patch fixes
this by checking for 1 when the cpu is online.

Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 tools/power/cpupower/bench/system.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor,
 
 	dprintf("set %s as cpufreq governor\n", governor);
 
-	if (cpupower_is_cpu_online(cpu) != 0) {
+	if (cpupower_is_cpu_online(cpu) != 1) {
 		perror("cpufreq_cpu_exists");
 		fprintf(stderr, "error: cpu %u does not exist\n", cpu);
 		return -1;


Patches currently in stable-queue which might be from huntbag@linux.vnet.ibm.com are

queue-4.9/cpupowerutils-bench-fix-cpu-online-check.patch
queue-4.9/cpupower-fix-cpupower-working-when-cpu0-is-offline.patch