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authorJakub Kicinski <kuba@kernel.org>2022-05-05 13:03:18 -0700
committerJakub Kicinski <kuba@kernel.org>2022-05-05 13:03:18 -0700
commitc8227d568ddf2f38a8806fdcd2e20b9e11747d9a (patch)
treec49664124eb6d39839107f0e116499deef8ff5c5 /drivers/base/arch_topology.c
parentnet: sparx5: Add handling of host MDB entries (diff)
parentMerge tag 'net-5.18-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadwireguard-linux-c8227d568ddf2f38a8806fdcd2e20b9e11747d9a.tar.xz
wireguard-linux-c8227d568ddf2f38a8806fdcd2e20b9e11747d9a.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
tools/testing/selftests/net/forwarding/Makefile f62c5acc800e ("selftests/net/forwarding: add missing tests to Makefile") 50fe062c806e ("selftests: forwarding: new test, verify host mdb entries") https://lore.kernel.org/all/20220502111539.0b7e4621@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/base/arch_topology.c')
-rw-r--r--drivers/base/arch_topology.c11
1 files changed, 10 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);
}