sh: Fix up the FPU emulation build.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -25,6 +25,7 @@ void fpu_state_restore(struct pt_regs *regs);
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#define save_fpu(tsk) do { } while (0)
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#define release_fpu(regs) do { } while (0)
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#define grab_fpu(regs) do { } while (0)
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#define fpu_state_restore(regs) do { } while (0)
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#endif
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@ -300,13 +300,11 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
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{
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struct thread_struct *next_t = &next->thread;
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#if defined(CONFIG_SH_FPU)
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unlazy_fpu(prev, task_pt_regs(prev));
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/* we're going to use this soon, after a few expensive things */
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if (next->fpu_counter > 5)
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prefetch(&next_t->fpu.hard);
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#endif
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#ifdef CONFIG_MMU
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/*
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@ -337,15 +335,13 @@ __switch_to(struct task_struct *prev, struct task_struct *next)
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#endif
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}
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#if defined(CONFIG_SH_FPU)
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/* If the task has used fpu the last 5 timeslices, just do a full
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/*
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* If the task has used fpu the last 5 timeslices, just do a full
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* restore of the math state immediately to avoid the trap; the
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* chances of needing FPU soon are obviously high now
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*/
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if (next->fpu_counter > 5) {
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if (next->fpu_counter > 5)
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fpu_state_restore(task_pt_regs(next));
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}
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#endif
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return prev;
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}
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