[MIPS] FPU affinity for MT ASE.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 19b8e4b31b79..57770902b9ae 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -150,6 +150,11 @@ void plat_smp_setup(void)
         unsigned long val;
         int i, num;
 
+#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 */
         if (!cpu_has_mipsmt)
                 return;
 
@@ -312,6 +317,12 @@ void prom_smp_finish(void)
 {
         write_c0_compare(read_c0_count() + (8* mips_hpt_frequency/HZ));
 
+#ifdef CONFIG_MIPS_MT_FPAFF
+        /* If we have an FPU, enroll ourselves in the FPU-full mask */
+        if (cpu_has_fpu)
+                cpu_set(smp_processor_id(), mt_fpu_cpumask);
+#endif /* CONFIG_MIPS_MT_FPAFF */
+
         local_irq_enable();
 }