x86/kernel/process_64.c

71 	unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs;
72 	unsigned long d0, d1, d2, d3, d6, d7;
164 static noinstr unsigned long __rdgsbase_inactive(void)
166 	unsigned long gsbase;
213 static noinstr void __wrgsbase_inactive(unsigned long gsbase)
298 	unsigned long flags;
319 					    unsigned long prev_base,
321 					    unsigned long next_base,
412 unsigned long x86_fsgsbase_read_task(struct task_struct *task,
416 	unsigned long base;
455 unsigned long x86_gsbase_read_cpu_inactive(void)
457 	unsigned long gsbase;
460 		unsigned long flags;
472 void x86_gsbase_write_cpu_inactive(unsigned long gsbase)
475 		unsigned long flags;
485 unsigned long x86_fsbase_read_task(struct task_struct *task)
487 	unsigned long fsbase;
500 unsigned long x86_gsbase_read_task(struct task_struct *task)
502 	unsigned long gsbase;
515 void x86_fsbase_write_task(struct task_struct *task, unsigned long fsbase)
522 void x86_gsbase_write_task(struct task_struct *task, unsigned long gsbase)
530 start_thread_common(struct pt_regs *regs, unsigned long new_ip,
531 		    unsigned long new_sp,
582 start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
785 static long prctl_map_vdso(const struct vdso_image *image, unsigned long addr)
793 	return (long)image->size;
801 static int prctl_enable_tagged_addr(struct mm_struct *mm, unsigned long nr_bits)
843 long do_arch_prctl_64(struct task_struct *task, int option, unsigned long arg2)
906 		unsigned long base = x86_fsbase_read_task(task);
908 		ret = put_user(base, (unsigned long __user *)arg2);
912 		unsigned long base = x86_gsbase_read_task(task);
914 		ret = put_user(base, (unsigned long __user *)arg2);
933 				(unsigned long __user *)arg2);
943 			return put_user(0, (unsigned long __user *)arg2);
945 			return put_user(LAM_U57_BITS, (unsigned long __user *)arg2);
961 SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
963 	long ret;
973 COMPAT_SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
979 unsigned long KSTK_ESP(struct task_struct *task)