diff options
| author | Niklas Cassel <niklas.cassel@axis.com> | 2015-01-15 16:41:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-05-13 05:14:22 -0700 |
| commit | 5bd1f3713cd795cdd750b869f98674b40748ef92 (patch) | |
| tree | 9fe0b6c054334bde48b97a15428c27b9ee836c08 | |
| parent | b9b1a2af5a6aa82944f80c03152ddeecc86d91a8 (diff) | |
MIPS: smp-cps: cpu_set FPU mask if FPU present
Commit 90db024f140d0d6ad960cc5f090e3c8ed890ca55 upstream.
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 bed7590e475f..d5589bedd0a4 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) |