diff options
| author | Niklas Cassel <niklas.cassel@axis.com> | 2015-01-15 16:41:13 +0100 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2015-05-17 19:12:35 -0400 |
| commit | 8a77ae3ed6c300797d7b93de79434a6fe5f6e42e (patch) | |
| tree | debd7ed24d274c7f70f933efdb6f73359faa4ae8 | |
| parent | 718bce368d0981291524c3ec07848121f1aac2fe (diff) | |
MIPS: smp-cps: cpu_set FPU mask if FPU present
[ Upstream commit 90db024f140d0d6ad960cc5f090e3c8ed890ca55 ]
If we have an FPU, enroll ourselves in the FPU-full mask.
Matching the MT_SMP and CMP implementations of smp_setup.
Signed-off-by: Niklas Cassel <niklass@axis.com>
Cc: paul.burton@imgtec.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8948/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
| -rw-r--r-- | arch/mips/kernel/smp-cps.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index e6e16a1d4add..0854f17829f3 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -88,6 +88,12 @@ static void __init cps_smp_setup(void) /* Make core 0 coherent with everything */ write_gcr_cl_coherence(0xff); + +#ifdef CONFIG_MIPS_MT_FPAFF + /* If we have an FPU, enroll ourselves in the FPU-full mask */ + if (cpu_has_fpu) + cpu_set(0, mt_fpu_cpumask); +#endif /* CONFIG_MIPS_MT_FPAFF */ } static void __init cps_prepare_cpus(unsigned int max_cpus) |