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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2cc81c6992
In resctrl filesystem, mount options exist to enable L3/L2 CDP and MBA Software Controller features if the platform supports them: mount -t resctrl resctrl [-o cdp[,cdpl2][,mba_MBps]] /sys/fs/resctrl But currently only "cdp" option is displayed in /proc/mounts. "cdpl2" and "mba_MBps" options are not shown even when they are active. Before: # mount -t resctrl resctrl -o cdp,mba_MBps /sys/fs/resctrl # grep resctrl /proc/mounts /sys/fs/resctrl /sys/fs/resctrl resctrl rw,relatime,cdp 0 0 After: # mount -t resctrl resctrl -o cdp,mba_MBps /sys/fs/resctrl # grep resctrl /proc/mounts /sys/fs/resctrl /sys/fs/resctrl resctrl rw,relatime,cdp,mba_MBps 0 0 Signed-off-by: Xiaochen Shen <xiaochen.shen@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: "H Peter Anvin" <hpa@zytor.com> Cc: "Tony Luck" <tony.luck@intel.com> Link: https://lkml.kernel.org/r/1536796118-60135-1-git-send-email-fenghua.yu@intel.com |
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