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author | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
commit | 1e5f8a308551b9816588e12bb795aeadebe37c4a (patch) | |
tree | bd71fc796fed24a3b7cc99df4a1d1bdaecc2b387 /arch/arm/kernel | |
parent | a5e37de90e67ac1072a9a44bd0cec9f5e98ded08 (diff) | |
parent | 46cf053efec6a3a5f343fead837777efe8252a46 (diff) | |
download | lwn-1e5f8a308551b9816588e12bb795aeadebe37c4a.tar.gz lwn-1e5f8a308551b9816588e12bb795aeadebe37c4a.zip |
Merge tag 'v5.5-rc3' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/smp.c | 4 | ||||
-rw-r--r-- | arch/arm/kernel/topology.c | 10 |
2 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 4b0bab2607e4..46e1be9e57a8 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -240,6 +240,10 @@ int __cpu_disable(void) if (ret) return ret; +#ifdef CONFIG_GENERIC_ARCH_TOPOLOGY + remove_cpu_topology(cpu); +#endif + /* * Take this CPU offline. Once we clear this, we can't return, * and we must not schedule until we're ready to give up the cpu. diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index 3a4dde081c13..b5adaf744630 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -196,9 +196,8 @@ void store_cpu_topology(unsigned int cpuid) struct cpu_topology *cpuid_topo = &cpu_topology[cpuid]; unsigned int mpidr; - /* If the cpu topology has been already set, just return */ - if (cpuid_topo->core_id != -1) - return; + if (cpuid_topo->package_id != -1) + goto topology_populated; mpidr = read_cpuid_mpidr(); @@ -231,14 +230,15 @@ void store_cpu_topology(unsigned int cpuid) cpuid_topo->package_id = -1; } - update_siblings_masks(cpuid); - update_cpu_capacity(cpuid); pr_info("CPU%u: thread %d, cpu %d, socket %d, mpidr %x\n", cpuid, cpu_topology[cpuid].thread_id, cpu_topology[cpuid].core_id, cpu_topology[cpuid].package_id, mpidr); + +topology_populated: + update_siblings_masks(cpuid); } static inline int cpu_corepower_flags(void) |