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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 13:56:48 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-02 13:56:48 +0200
commit0e509f537f8ddd89f237e62f77818dbdbc8be395 (patch)
tree4e747a1cad81d0c085d435923366bcce30484bc8 /drivers/base
parentf8ae07f4b8bfde0f33761e1a1aaee45a4e85e9d6 (diff)
parent672c0c5173427e6b3e2a9bbb7be51ceeec78093a (diff)
downloadlinux-0e509f537f8ddd89f237e62f77818dbdbc8be395.tar.bz2
Merge 5.18-rc5 into driver-core-next
We need the kernfs/driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/arch_topology.c11
-rw-r--r--drivers/base/dd.c1
-rw-r--r--drivers/base/topology.c10
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 1d6636ebaac5..f73b836047cf 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -667,6 +667,15 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
core_mask = &cpu_topology[cpu].llc_sibling;
}
+ /*
+ * For systems with no shared cpu-side LLC but with clusters defined,
+ * extend core_mask to cluster_siblings. The sched domain builder will
+ * then remove MC as redundant with CLS if SCHED_CLUSTER is enabled.
+ */
+ if (IS_ENABLED(CONFIG_SCHED_CLUSTER) &&
+ cpumask_subset(core_mask, &cpu_topology[cpu].cluster_sibling))
+ core_mask = &cpu_topology[cpu].cluster_sibling;
+
return core_mask;
}
@@ -684,7 +693,7 @@ void update_siblings_masks(unsigned int cpuid)
for_each_online_cpu(cpu) {
cpu_topo = &cpu_topology[cpu];
- if (cpuid_topo->llc_id == cpu_topo->llc_id) {
+ if (cpu_topo->llc_id != -1 && cpuid_topo->llc_id == cpu_topo->llc_id) {
cpumask_set_cpu(cpu, &cpuid_topo->llc_sibling);
cpumask_set_cpu(cpuid, &cpu_topo->llc_sibling);
}
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 152d3e6bfc06..39c70fc0f4cb 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -296,6 +296,7 @@ int driver_deferred_probe_check_state(struct device *dev)
return -EPROBE_DEFER;
}
+EXPORT_SYMBOL_GPL(driver_deferred_probe_check_state);
static void deferred_probe_timeout_work_func(struct work_struct *work)
{
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index e9d1efcda89b..ac6ad9ab67f9 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -152,9 +152,19 @@ static struct attribute *default_attrs[] = {
NULL
};
+static umode_t topology_is_visible(struct kobject *kobj,
+ struct attribute *attr, int unused)
+{
+ if (attr == &dev_attr_ppin.attr && !topology_ppin(kobj_to_dev(kobj)->id))
+ return 0;
+
+ return attr->mode;
+}
+
static const struct attribute_group topology_attr_group = {
.attrs = default_attrs,
.bin_attrs = bin_attrs,
+ .is_visible = topology_is_visible,
.name = "topology"
};