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%3Ba=su...
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