From 90db024f140d0d6ad960cc5f090e3c8ed890ca55 Mon Sep 17 00:00:00 2001 From: Niklas Cassel Date: Thu, 15 Jan 2015 16:41:13 +0100 Subject: [PATCH] MIPS: smp-cps: cpu_set FPU mask if FPU present 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 Cc: paul.burton@imgtec.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8948/ Signed-off-by: Ralf Baechle --- arch/mips/kernel/smp-cps.c | 6 ++++++ 1 file changed, 6 insertions(+) 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)