tls_64.c

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#include <linux/sched.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;
}