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Searched refs:tsk (Results 1 – 25 of 277) sorted by relevance

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/arch/mn10300/include/asm/
Dfpu.h36 static inline void set_using_fpu(struct task_struct *tsk) in set_using_fpu() argument
41 : "i"(THREAD_USING_FPU), "a"(&tsk->thread.fpu_flags) in set_using_fpu()
45 static inline void clear_using_fpu(struct task_struct *tsk) in clear_using_fpu() argument
50 : "i"(THREAD_USING_FPU), "a"(&tsk->thread.fpu_flags) in clear_using_fpu()
54 #define is_using_fpu(tsk) ((tsk)->thread.fpu_flags & THREAD_USING_FPU) argument
63 static inline void unlazy_fpu(struct task_struct *tsk) in unlazy_fpu() argument
67 if (tsk->thread.fpu_flags & THREAD_HAS_FPU) { in unlazy_fpu()
68 fpu_save(&tsk->thread.fpu_state); in unlazy_fpu()
69 tsk->thread.fpu_flags &= ~THREAD_HAS_FPU; in unlazy_fpu()
70 tsk->thread.uregs->epsw &= ~EPSW_FE; in unlazy_fpu()
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/arch/mips/include/asm/
Ddsp.h43 #define __save_dsp(tsk) \ argument
45 tsk->thread.dsp.dspr[0] = mfhi1(); \
46 tsk->thread.dsp.dspr[1] = mflo1(); \
47 tsk->thread.dsp.dspr[2] = mfhi2(); \
48 tsk->thread.dsp.dspr[3] = mflo2(); \
49 tsk->thread.dsp.dspr[4] = mfhi3(); \
50 tsk->thread.dsp.dspr[5] = mflo3(); \
51 tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK); \
54 #define save_dsp(tsk) \ argument
57 __save_dsp(tsk); \
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Dfpu.h170 static inline void lose_fpu_inatomic(int save, struct task_struct *tsk) in lose_fpu_inatomic() argument
174 save_msa(tsk); in lose_fpu_inatomic()
175 tsk->thread.fpu.fcr31 = in lose_fpu_inatomic()
179 clear_tsk_thread_flag(tsk, TIF_USEDMSA); in lose_fpu_inatomic()
183 _save_fp(tsk); in lose_fpu_inatomic()
190 KSTK_STATUS(tsk) &= ~ST0_CU1; in lose_fpu_inatomic()
191 clear_tsk_thread_flag(tsk, TIF_USEDFPU); in lose_fpu_inatomic()
239 static inline void save_fp(struct task_struct *tsk) in save_fp() argument
242 _save_fp(tsk); in save_fp()
245 static inline void restore_fp(struct task_struct *tsk) in restore_fp() argument
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/arch/mn10300/kernel/
Dfpu.c38 struct task_struct *tsk = current; in fpu_exception() local
47 if (!is_using_fpu(tsk)) in fpu_exception()
54 info.si_addr = (void *) tsk->thread.uregs->pc; in fpu_exception()
57 unlazy_fpu(tsk); in fpu_exception()
59 fpcr = tsk->thread.fpu_state.fpcr; in fpu_exception()
70 force_sig_info(SIGFPE, &info, tsk); in fpu_exception()
78 struct task_struct *tsk = current; in fpu_setup_sigcontext() local
80 if (!is_using_fpu(tsk)) in fpu_setup_sigcontext()
90 if (tsk->thread.fpu_flags & THREAD_HAS_FPU) { in fpu_setup_sigcontext()
91 fpu_save(&tsk->thread.fpu_state); in fpu_setup_sigcontext()
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/arch/sh/kernel/cpu/
Dfpu.c11 int init_fpu(struct task_struct *tsk) in init_fpu() argument
13 if (tsk_used_math(tsk)) { in init_fpu()
14 if ((boot_cpu_data.flags & CPU_HAS_FPU) && tsk == current) in init_fpu()
15 unlazy_fpu(tsk, task_pt_regs(tsk)); in init_fpu()
22 if (!tsk->thread.xstate) { in init_fpu()
23 tsk->thread.xstate = kmem_cache_alloc(task_xstate_cachep, in init_fpu()
25 if (!tsk->thread.xstate) in init_fpu()
30 struct sh_fpu_hard_struct *fp = &tsk->thread.xstate->hardfpu; in init_fpu()
34 struct sh_fpu_soft_struct *fp = &tsk->thread.xstate->softfpu; in init_fpu()
39 set_stopped_child_used_math(tsk); in init_fpu()
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/arch/sh/kernel/cpu/sh4/
Dfpu.c44 void save_fpu(struct task_struct *tsk) in save_fpu() argument
87 :"0"((char *)(&tsk->thread.xstate->hardfpu.status)), in save_fpu()
94 void restore_fpu(struct task_struct *tsk) in restore_fpu() argument
137 :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG) in restore_fpu()
231 struct task_struct *tsk = current; in ieee_fpe_handler() local
233 if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_CAUSE_ERROR)) in ieee_fpe_handler()
235 denormal_to_double(&tsk->thread.xstate->hardfpu, in ieee_fpe_handler()
244 struct task_struct *tsk = current; in ieee_fpe_handler() local
251 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
252 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
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/arch/powerpc/kernel/
Dsignal.c103 static void do_signal(struct task_struct *tsk) in do_signal() argument
110 BUG_ON(tsk != current); in do_signal()
115 check_syscall_restart(tsk->thread.regs, &ksig.ka, ksig.sig > 0); in do_signal()
120 tsk->thread.regs->trap = 0; in do_signal()
130 if (tsk->thread.hw_brk.address && tsk->thread.hw_brk.type) in do_signal()
131 __set_breakpoint(&tsk->thread.hw_brk); in do_signal()
134 thread_change_pc(tsk, tsk->thread.regs); in do_signal()
138 ret = handle_rt_signal32(&ksig, oldset, tsk); in do_signal()
140 ret = handle_signal32(&ksig, oldset, tsk); in do_signal()
142 ret = handle_rt_signal64(&ksig, oldset, tsk); in do_signal()
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Dsignal_64.c95 struct task_struct *tsk, int signr, sigset_t *set, in setup_sigcontext() argument
110 struct pt_regs *regs = tsk->thread.regs; in setup_sigcontext()
114 BUG_ON(tsk != current); in setup_sigcontext()
120 if (tsk->thread.used_vr) { in setup_sigcontext()
121 flush_altivec_to_thread(tsk); in setup_sigcontext()
123 err |= __copy_to_user(v_regs, &tsk->thread.vr_state, in setup_sigcontext()
136 tsk->thread.vrsave = vrsave; in setup_sigcontext()
143 flush_fp_to_thread(tsk); in setup_sigcontext()
145 err |= copy_fpr_to_user(&sc->fp_regs, tsk); in setup_sigcontext()
158 if (tsk->thread.used_vsr && ctx_has_vsx_region) { in setup_sigcontext()
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Dprocess.c80 static void check_if_tm_restore_required(struct task_struct *tsk) in check_if_tm_restore_required() argument
88 if (tsk == current && tsk->thread.regs && in check_if_tm_restore_required()
89 MSR_TM_ACTIVE(tsk->thread.regs->msr) && in check_if_tm_restore_required()
91 tsk->thread.ckpt_regs.msr = tsk->thread.regs->msr; in check_if_tm_restore_required()
102 static inline void check_if_tm_restore_required(struct task_struct *tsk) { } in check_if_tm_restore_required() argument
153 void __giveup_fpu(struct task_struct *tsk) in __giveup_fpu() argument
157 save_fpu(tsk); in __giveup_fpu()
158 msr = tsk->thread.regs->msr; in __giveup_fpu()
164 tsk->thread.regs->msr = msr; in __giveup_fpu()
167 void giveup_fpu(struct task_struct *tsk) in giveup_fpu() argument
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/arch/sh/include/asm/
Dfpu.h27 #define save_fpu(tsk) do { } while (0) argument
28 #define restore_fpu(tsk) do { } while (0) argument
45 static inline void __unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) in __unlazy_fpu() argument
47 if (task_thread_info(tsk)->status & TS_USEDFPU) { in __unlazy_fpu()
48 task_thread_info(tsk)->status &= ~TS_USEDFPU; in __unlazy_fpu()
49 save_fpu(tsk); in __unlazy_fpu()
52 tsk->thread.fpu_counter = 0; in __unlazy_fpu()
55 static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs) in unlazy_fpu() argument
58 __unlazy_fpu(tsk, regs); in unlazy_fpu()
62 static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs) in clear_fpu() argument
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Dswitch_to_32.h7 #define is_dsp_enabled(tsk) \ argument
8 (!!(tsk->thread.dsp_status.status & SR_DSP))
10 #define __restore_dsp(tsk) \ argument
13 (u32 *)&tsk->thread.dsp_status; \
33 #define __save_dsp(tsk) \ argument
36 (u32 *)&tsk->thread.dsp_status + 14; \
59 #define is_dsp_enabled(tsk) (0) argument
60 #define __save_dsp(tsk) do { } while (0) argument
61 #define __restore_dsp(tsk) do { } while (0) argument
/arch/arc/include/asm/
Dprocessor.h81 #define KSTK_EIP(tsk) (task_pt_regs(tsk)->ret) argument
82 #define KSTK_ESP(tsk) (task_pt_regs(tsk)->sp) argument
88 #define TSK_K_ESP(tsk) (tsk->thread.ksp) argument
90 #define TSK_K_REG(tsk, off) (*((unsigned long *)(TSK_K_ESP(tsk) + \ argument
93 #define TSK_K_BLINK(tsk) TSK_K_REG(tsk, 4) argument
94 #define TSK_K_FP(tsk) TSK_K_REG(tsk, 0) argument
/arch/arm64/kernel/
Dstacktrace.c44 int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame) in unwind_frame() argument
51 if (!tsk) in unwind_frame()
52 tsk = current; in unwind_frame()
54 if (!on_accessible_stack(tsk, fp)) in unwind_frame()
61 if (tsk->ret_stack && in unwind_frame()
74 frame->pc = tsk->ret_stack[frame->graph--].ret; in unwind_frame()
91 void notrace walk_stackframe(struct task_struct *tsk, struct stackframe *frame, in walk_stackframe() argument
99 ret = unwind_frame(tsk, frame); in walk_stackframe()
151 static noinline void __save_stack_trace(struct task_struct *tsk, in __save_stack_trace() argument
157 if (!try_get_task_stack(tsk)) in __save_stack_trace()
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/arch/arc/kernel/
Dstacktrace.c44 static void seed_unwind_frame_info(struct task_struct *tsk, in seed_unwind_frame_info() argument
52 if (tsk == NULL && regs == NULL) { in seed_unwind_frame_info()
76 frame_info->task = tsk; in seed_unwind_frame_info()
78 frame_info->regs.r27 = TSK_K_FP(tsk); in seed_unwind_frame_info()
79 frame_info->regs.r28 = TSK_K_ESP(tsk); in seed_unwind_frame_info()
80 frame_info->regs.r31 = TSK_K_BLINK(tsk); in seed_unwind_frame_info()
101 frame_info->task = tsk; in seed_unwind_frame_info()
114 arc_unwind_core(struct task_struct *tsk, struct pt_regs *regs, in arc_unwind_core() argument
122 seed_unwind_frame_info(tsk, regs, &frame_info); in arc_unwind_core()
223 noinline void show_stacktrace(struct task_struct *tsk, struct pt_regs *regs) in show_stacktrace() argument
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/arch/ia64/include/asm/
Dthread_info.h46 #define INIT_THREAD_INFO(tsk) \ argument
48 .task = &tsk, \
58 #define alloc_thread_stack_node(tsk, node) \ argument
59 ((unsigned long *) ((char *) (tsk) + IA64_TASK_SIZE))
60 #define task_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE)) argument
63 #define alloc_thread_stack_node(tsk, node) ((unsigned long *) 0) argument
64 #define task_thread_info(tsk) ((struct thread_info *) 0) argument
66 #define free_thread_stack(tsk) /* nothing */ argument
67 #define task_stack_page(tsk) ((void *)(tsk)) argument
91 #define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER) argument
/arch/powerpc/include/asm/
Dprocessor.h133 #define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \ argument
381 #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs) argument
385 #define KSTK_EIP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) argument
386 #define KSTK_ESP(tsk) ((tsk)->thread.regs? (tsk)->thread.regs->gpr[1]: 0) argument
389 #define GET_FPEXC_CTL(tsk, adr) get_fpexc_mode((tsk), (adr)) argument
390 #define SET_FPEXC_CTL(tsk, val) set_fpexc_mode((tsk), (val)) argument
392 extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
393 extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
395 #define GET_ENDIAN(tsk, adr) get_endian((tsk), (adr)) argument
396 #define SET_ENDIAN(tsk, val) set_endian((tsk), (val)) argument
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/arch/sh/kernel/cpu/sh5/
Dfpu.c19 void save_fpu(struct task_struct *tsk) in save_fpu() argument
57 : "r" (&tsk->thread.xstate->hardfpu) in save_fpu()
61 void restore_fpu(struct task_struct *tsk) in restore_fpu() argument
100 : "r" (&tsk->thread.xstate->hardfpu) in restore_fpu()
106 struct task_struct *tsk = current; in do_fpu_error() local
110 force_sig(SIGFPE, tsk); in do_fpu_error()
/arch/arm64/include/asm/
Dstacktrace.h34 extern int unwind_frame(struct task_struct *tsk, struct stackframe *frame);
35 extern void walk_stackframe(struct task_struct *tsk, struct stackframe *frame,
37 extern void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk);
52 static inline bool on_task_stack(struct task_struct *tsk, unsigned long sp) in on_task_stack() argument
54 unsigned long low = (unsigned long)task_stack_page(tsk); in on_task_stack()
78 static inline bool on_accessible_stack(struct task_struct *tsk, unsigned long sp) in on_accessible_stack() argument
80 if (on_task_stack(tsk, sp)) in on_accessible_stack()
82 if (tsk != current || preemptible()) in on_accessible_stack()
/arch/sh/kernel/
Ddumpstack.c129 void show_trace(struct task_struct *tsk, unsigned long *sp, in show_trace() argument
137 unwind_stack(tsk, regs, sp, &print_trace_ops, ""); in show_trace()
141 if (!tsk) in show_trace()
142 tsk = current; in show_trace()
144 debug_show_held_locks(tsk); in show_trace()
147 void show_stack(struct task_struct *tsk, unsigned long *sp) in show_stack() argument
151 if (!tsk) in show_stack()
152 tsk = current; in show_stack()
153 if (tsk == current) in show_stack()
156 sp = (unsigned long *)tsk->thread.sp; in show_stack()
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/arch/x86/um/asm/
Dprocessor.h14 #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP) argument
15 #define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP) argument
16 #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP) argument
/arch/c6x/include/asm/
Dprocessor.h99 #define thread_saved_ksp(tsk) \ argument
100 (*(unsigned long *)&(tsk)->thread.b15_14)
101 #define thread_saved_dp(tsk) \ argument
102 (*(((unsigned long *)&(tsk)->thread.b15_14) + 1))
104 #define thread_saved_ksp(tsk) \ argument
105 (*(((unsigned long *)&(tsk)->thread.b15_14) + 1))
106 #define thread_saved_dp(tsk) \ argument
107 (*(unsigned long *)&(tsk)->thread.b15_14)
/arch/score/include/asm/
Dprocessor.h97 #define kstk_tos(tsk) \ argument
98 ((unsigned long)task_stack_page(tsk) + THREAD_SIZE - 32)
99 #define task_pt_regs(tsk) ((struct pt_regs *)kstk_tos(tsk) - 1) argument
101 #define KSTK_EIP(tsk) (task_pt_regs(tsk)->cp0_epc) argument
102 #define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[29]) argument
/arch/powerpc/mm/
Dmmu_context.c19 static inline void switch_mm_pgdir(struct task_struct *tsk, in switch_mm_pgdir() argument
23 tsk->thread.pgdir = mm->pgd; in switch_mm_pgdir()
26 static inline void switch_mm_pgdir(struct task_struct *tsk, in switch_mm_pgdir() argument
33 static inline void switch_mm_pgdir(struct task_struct *tsk, in switch_mm_pgdir() argument
47 struct task_struct *tsk) in switch_mm_irqs_off() argument
77 switch_mm_pgdir(tsk, next); in switch_mm_irqs_off()
97 switch_mmu_context(prev, next, tsk); in switch_mm_irqs_off()
/arch/metag/include/asm/
Dprocessor.h138 #define thread_saved_pc(tsk) \ argument
139 ((unsigned long)(tsk)->thread.kernel_context->CurrPC)
140 #define thread_saved_sp(tsk) \ argument
141 ((unsigned long)(tsk)->thread.kernel_context->AX[0].U0)
142 #define thread_saved_fp(tsk) \ argument
143 ((unsigned long)(tsk)->thread.kernel_context->AX[1].U0)
147 #define KSTK_EIP(tsk) (task_pt_regs(tsk)->ctx.CurrPC) argument
148 #define KSTK_ESP(tsk) (task_pt_regs(tsk)->ctx.AX[0].U0) argument
196 extern void show_trace(struct task_struct *tsk, unsigned long *sp,
/arch/sh/kernel/cpu/sh2a/
Dfpu.c30 void save_fpu(struct task_struct *tsk) in save_fpu() argument
55 : "0" ((char *)(&tsk->thread.xstate->hardfpu.status)), in save_fpu()
63 void restore_fpu(struct task_struct *tsk) in restore_fpu() argument
87 : "0" (tsk->thread.xstate), "r" (FPSCR_RCHG) in restore_fpu()
457 struct task_struct *tsk = current; in ieee_fpe_handler() local
459 if ((tsk->thread.xstate->hardfpu.fpscr & FPSCR_FPU_ERROR)) { in ieee_fpe_handler()
461 denormal_to_double (&tsk->thread.xstate->hardfpu, in ieee_fpe_handler()
469 struct task_struct *tsk = current; in ieee_fpe_handler() local
476 hx = tsk->thread.xstate->hardfpu.fp_regs[n]; in ieee_fpe_handler()
477 hy = tsk->thread.xstate->hardfpu.fp_regs[m]; in ieee_fpe_handler()
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