arch/x86/um/tls_64.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/sched.h>
   3 #include <asm/ptrace-abi.h>
   4
   5 void clear_flushed_tls(struct task_struct *task)
   6 {
   7 }
   8
   9 int arch_copy_tls(struct task_struct *t)
  10 {
  11         /*
  12          * If CLONE_SETTLS is set, we need to save the thread id
  13          * (which is argument 5, child_tid, of clone) so it can be set
  14          * during context switches.
  15          */
  16         t->thread.arch.fs = t->thread.regs.regs.gp[R8 / sizeof(long)];
  17
  18         return 0;
  19 }