xref: /openbmc/linux/arch/x86/um/tls_64.c (revision e2c75e76)
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