> >> static void rdt_get_sdciae_alloc_cfg(struct rdt_resource *r)
> >> {
> >> r->cache.io_alloc_capable = true;
> >> + resctrl_file_fflags_init("io_alloc",
> >> + RFTYPE_CTRL_INFO | RFTYPE_RES_CACHE);
> >> }
> >
> > I think those fflags will make this file appear in all info cache directories
> > (L2 and L3).
> >
> > Presumably you only want this file (and "io_alloc_cbm" added by next
> > patch) in the L3 directory.
>
> Could you please elaborate why this file should only be in L3 directory? I do not see
> the problem with having it in L2. "io_alloc" communicates to user space if this I/O alloc
> feature is supported and does so with its content as opposed to its existence. For L2
> it will indicate that the feature is not supported.
Good point. I withdraw my comment.
-Tony
