*/
static int rdtgroup_init_alloc(struct rdtgroup *rdtgrp)
{
+ struct rdt_resource *r_cdp = NULL;
+ struct rdt_domain *d_cdp = NULL;
u32 used_b = 0, unused_b = 0;
u32 closid = rdtgrp->closid;
struct rdt_resource *r;
unsigned long tmp_cbm;
enum rdtgrp_mode mode;
struct rdt_domain *d;
+ u32 peer_ctl, *ctrl;
int i, ret;
- u32 *ctrl;
for_each_alloc_enabled_rdt_resource(r) {
/*
if (r->rid == RDT_RESOURCE_MBA)
continue;
list_for_each_entry(d, &r->domains, list) {
+ rdt_cdp_peer_get(r, d, &r_cdp, &d_cdp);
d->have_new_ctrl = false;
d->new_ctrl = r->cache.shareable_bits;
used_b = r->cache.shareable_bits;
mode = rdtgroup_mode_by_closid(i);
if (mode == RDT_MODE_PSEUDO_LOCKSETUP)
break;
- used_b |= *ctrl;
+ /*
+ * If CDP is active include peer
+ * domain's usage to ensure there
+ * is no overlap with an exclusive
+ * group.
+ */
+ if (d_cdp)
+ peer_ctl = d_cdp->ctrl_val[i];
+ else
+ peer_ctl = 0;
+ used_b |= *ctrl | peer_ctl;
if (mode == RDT_MODE_SHAREABLE)
- d->new_ctrl |= *ctrl;
+ d->new_ctrl |= *ctrl | peer_ctl;
}
}
if (d->plr && d->plr->cbm > 0)