diff options
| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2023-05-21 23:31:22 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2023-06-09 10:34:14 +0200 |
| commit | 96cb8ae28c652e7ef0633b1c0786eb0f529ed516 (patch) | |
| tree | 3490ae910dca2655c0fd16b9ece2d4974dc9e886 /arch/mips/kernel/smp-mt.c | |
| parent | dfbd992e0ef2319b869bf69fe649d34d2dc49e4b (diff) | |
MIPS: Rework smt cmdline parameters
Provide a generic smt parameters interface aligned with s390
to allow users to limit smt usage and threads per core.
It replaced previous undocumented "nothreads" parameter for
smp-cps which is ambiguous and does not cover smp-mt.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel/smp-mt.c')
| -rw-r--r-- | arch/mips/kernel/smp-mt.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c index 5f04a0141068..7729cc733421 100644 --- a/arch/mips/kernel/smp-mt.c +++ b/arch/mips/kernel/smp-mt.c @@ -46,7 +46,8 @@ static void __init smvp_copy_vpe_config(void) static unsigned int __init smvp_vpe_init(unsigned int tc, unsigned int mvpconf0, unsigned int ncpu) { - if (tc > ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT)) + if (tc >= smp_max_threads || + (tc > ((mvpconf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT))) return ncpu; /* Deactivate all but VPE 0 */ |