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If all the CPUs in an SNC node are > taken offline, just remove the SNC directory for that node. In > non-SNC mode, or when the last SNC node directory is removed, > remove the L3 monitor directory. > > Signed-off-by: Tony Luck > --- > arch/x86/kernel/cpu/resctrl/rdtgroup.c | 39 +++++++++++++++++++++----- > 1 file changed, 32 insertions(+), 7 deletions(-) > > diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c > index 2591a6876232..14482d88b68c 100644 > --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c > +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c > @@ -3008,20 +3008,45 @@ static int mon_addfile(struct kernfs_node *parent_kn, const char *name, > > /* > * Remove all subdirectories of mon_data of ctrl_mon groups > - * and monitor groups with given domain id. > + * and monitor groups for the given domain. In SNC mode just I do not think we want the Intel architecture specific "SNC" to be a "mode" of resctrl fs. That means all architectures need a "SNC mode". How about something like (please feel free to improve): Remove files and directories containing "sum" of domain data when last domain being summed is removed. With mention of "SNC mode" removed: | Reviewed-by: Reinette Chatre Reinette