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| /openbmc/linux/tools/testing/selftests/resctrl/ |
| H A D | resctrlfs.c | diff a3611fbc6e58c147bdd409b356baf15ddf57271e Tue Mar 16 21:22:46 CDT 2021 Fenghua Yu <fenghua.yu@intel.com> selftests/resctrl: Check for resctrl mount point only if resctrl FS is supported
check_resctrlfs_support() does the following
1. Checks if the platform supports resctrl file system or not by looking
for resctrl in /proc/filesystems
2. Calls opendir() on default resctrl file system path
(i.e. /sys/fs/resctrl)
3. Checks if resctrl file system is mounted or not by looking at
/proc/mounts
Steps 2 and 3 will fail if the platform does not support resctrl file
system. So, there is no need to check for them if step 1 fails.
Fix this by returning immediately if the platform does not support
resctrl file system.
Tested-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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