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-rw-r--r--include/asm-mips/system.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index bb0b289dbc9e..9b3a8dd2c3db 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -44,7 +44,7 @@ struct task_struct;
44 * different thread. 44 * different thread.
45 */ 45 */
46 46
47#define switch_to(prev,next,last) \ 47#define __mips_mt_fpaff_switch_to(prev) \
48do { \ 48do { \
49 if (cpu_has_fpu && \ 49 if (cpu_has_fpu && \
50 (prev->thread.mflags & MF_FPUBOUND) && \ 50 (prev->thread.mflags & MF_FPUBOUND) && \
@@ -52,24 +52,22 @@ do { \
52 prev->thread.mflags &= ~MF_FPUBOUND; \ 52 prev->thread.mflags &= ~MF_FPUBOUND; \
53 prev->cpus_allowed = prev->thread.user_cpus_allowed; \ 53 prev->cpus_allowed = prev->thread.user_cpus_allowed; \
54 } \ 54 } \
55 if (cpu_has_dsp) \
56 __save_dsp(prev); \
57 next->thread.emulated_fp = 0; \ 55 next->thread.emulated_fp = 0; \
58 (last) = resume(prev, next, task_thread_info(next)); \
59 if (cpu_has_dsp) \
60 __restore_dsp(current); \
61} while(0) 56} while(0)
62 57
63#else 58#else
59#define __mips_mt_fpaff_switch_to(prev) do { (prev); } while (0)
60#endif
61
64#define switch_to(prev,next,last) \ 62#define switch_to(prev,next,last) \
65do { \ 63do { \
64 __mips_mt_fpaff_switch_to(prev); \
66 if (cpu_has_dsp) \ 65 if (cpu_has_dsp) \
67 __save_dsp(prev); \ 66 __save_dsp(prev); \
68 (last) = resume(prev, next, task_thread_info(next)); \ 67 (last) = resume(prev, next, task_thread_info(next)); \
69 if (cpu_has_dsp) \ 68 if (cpu_has_dsp) \
70 __restore_dsp(current); \ 69 __restore_dsp(current); \
71} while(0) 70} while(0)
72#endif
73 71
74/* 72/*
75 * On SMP systems, when the scheduler does migration-cost autodetection, 73 * On SMP systems, when the scheduler does migration-cost autodetection,