Lines Matching full:fpu
3 * x86 FPU boot time init code:
5 #include <asm/fpu/internal.h>
37 fpstate_init_soft(¤t->thread.fpu.state.soft); in fpu__init_cpu_generic()
44 * Enable all supported FPU features. Called when a CPU is brought online:
65 pr_info("x86/fpu: Probing for FPU: FSW=0x%04hx FCW=0x%04hx\n", fsw, fcw); in fpu__probe_without_cpuid()
82 pr_emerg("x86/fpu: Giving up, no FPU found and no math emulation present\n"); in fpu__init_system_early_generic()
90 * Boot time FPU feature detection code:
119 * Once per bootup FPU initialization sequences that will run on most x86 CPUs:
124 * Set up the legacy init FPU context. (xstate init might overwrite this in fpu__init_system_generic()
133 * Size of the FPU context state. All tasks in the system use the
152 * We append the 'struct fpu' to the task_struct:
162 task_size -= sizeof(((struct task_struct *)0)->thread.fpu.state); in fpu__init_task_struct_size()
171 * We dynamically size 'struct fpu', so we require that in fpu__init_task_struct_size()
177 CHECK_MEMBER_AT_END_OF(struct fpu, state); in fpu__init_task_struct_size()
178 CHECK_MEMBER_AT_END_OF(struct thread_struct, fpu); in fpu__init_task_struct_size()
185 * Set up the user and kernel xstate sizes based on the legacy FPU context size.
227 /* Legacy code to initialize eager fpu mode. */
238 * FPU state that is later cloned into all processes:
245 * The FPU has to be operational for some of the in fpu__init_system()
246 * later FPU init activities: in fpu__init_system()