diff options
| author | Gregory CLEMENT <gregory.clement@bootlin.com> | 2025-04-13 21:12:32 +0200 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2025-04-27 09:45:15 +0200 |
| commit | 76c43eb507bc1162850fdae6cc44790d1c9a83ea (patch) | |
| tree | 93e84ed84c138180d1810a68777248f55b5c557d /arch/mips/include/asm | |
| parent | 0f4ae7c6ecb89bfda026d210dcf8216fb67d2333 (diff) | |
MIPS: SMP: Implement parallel CPU bring up for EyeQ
Added support for starting CPUs in parallel on EyeQ to speed up boot time.
On EyeQ5, booting 8 CPUs is now ~90ms faster.
On EyeQ6, booting 32 CPUs is now ~650ms faster.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/include/asm')
| -rw-r--r-- | arch/mips/include/asm/topology.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/include/asm/topology.h b/arch/mips/include/asm/topology.h index 0673d2d0f2e6..5158c802eb65 100644 --- a/arch/mips/include/asm/topology.h +++ b/arch/mips/include/asm/topology.h @@ -16,6 +16,9 @@ #define topology_core_id(cpu) (cpu_core(&cpu_data[cpu])) #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) #define topology_sibling_cpumask(cpu) (&cpu_sibling_map[cpu]) + +extern struct cpumask __cpu_primary_thread_mask; +#define cpu_primary_thread_mask ((const struct cpumask *)&__cpu_primary_thread_mask) #endif #endif /* __ASM_TOPOLOGY_H */ |