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Linux/arch/x86/um/tls_64.c

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  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 }
 20 

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