https://github.com/torvalds/linux
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Tip revision: 8834f5600cf3c8db365e18a3d5cac2c2780c81e5 authored by Linus Torvalds on 03 February 2019, 21:48:04 UTC
Linux 5.0-rc5
Tip revision: 8834f56
tls_64.c
// SPDX-License-Identifier: GPL-2.0
#include <linux/sched.h>
#include <asm/ptrace-abi.h>

void clear_flushed_tls(struct task_struct *task)
{
}

int arch_copy_tls(struct task_struct *t)
{
	/*
	 * If CLONE_SETTLS is set, we need to save the thread id
	 * (which is argument 5, child_tid, of clone) so it can be set
	 * during context switches.
	 */
	t->thread.arch.fs = t->thread.regs.regs.gp[R8 / sizeof(long)];

	return 0;
}
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