diff options
| author | Sander Vanheule <sander@svanheule.net> | 2021-12-18 11:05:10 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2021-12-21 13:51:39 +0100 |
| commit | 047ff68b43d4dc912dd89d8e156e74af9f69ca93 (patch) | |
| tree | a49d94d2b82ce3001b9debdd70a302df69722a41 /arch/mips | |
| parent | 95339b70677dc6f9a2d669c4716058e71b8dc1c7 (diff) | |
MIPS: only register MT SMP ops if MT is supported
Verify that the current CPU actually supports multi-threading before
registering MT SMP ops, instead of unconditionally registering them if
the kernel is compiled with CONFIG_MIPS_MT_SMP.
Suggested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/smp-ops.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h index 65618ff1280c..864aea803984 100644 --- a/arch/mips/include/asm/smp-ops.h +++ b/arch/mips/include/asm/smp-ops.h @@ -101,6 +101,9 @@ static inline int register_vsmp_smp_ops(void) #ifdef CONFIG_MIPS_MT_SMP extern const struct plat_smp_ops vsmp_smp_ops; + if (!cpu_has_mipsmt) + return -ENODEV; + register_smp_ops(&vsmp_smp_ops); return 0; |