Hello Kohei. On Fri, Jul 24, 2026 at 06:40:56PM +0900, Kohei Enju wrote: > Arm CCA MECIDs are limited platform resources. Add a misc cgroup > resource to allow the system administrator to account for and limit > their use. > > The cca_mec resource represents the number of Realm VMs using the > private MEC policy. Each such Realm consumes one MECID. Charge the > resource when the Realm is created, and uncharge it when the Realm is > successfully destroyed. > > Realms using the shared MEC policy don't consume this resource. > > Signed-off-by: Kohei Enju > --- > arch/arm64/include/asm/kvm_rmi.h | 2 ++ > arch/arm64/kvm/rmi.c | 44 +++++++++++++++++++++++++++++++- > drivers/firmware/arm_rmm/rmi.c | 4 +++ (mainly for this) > include/linux/misc_cgroup.h | 4 +++ > kernel/cgroup/misc.c | 4 +++ > 5 files changed, 57 insertions(+), 1 deletion(-) Conditional Acked-by: Michal Koutný (it makes sense along the other arches' miscresurces) Why? I see this [1] (or followup) needs to be added first. Thanks, Michal [1] https://lore.kernel.org/r/20260715142739.80398-4-steven.price@arm.com/