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MIPS: only register MT SMP ops if MT is supported

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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>
This commit is contained in:
Sander Vanheule 2021-12-18 11:05:10 +01:00 committed by Thomas Bogendoerfer
parent 95339b7067
commit 047ff68b43
1 changed files with 3 additions and 0 deletions
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3
arch/mips/include/asm/smp-ops.h
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@ -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;