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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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f7e9077a16
The PID of the stub process can be obtained from current_mm_id(). There is no need to track it via userspace_pid[]. Stop doing that to simplify the code. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Link: https://patch.msgid.link/20250711065021.2535362-4-tiwei.bie@linux.dev Signed-off-by: Johannes Berg <johannes.berg@intel.com>
38 lines
870 B
C
38 lines
870 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
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*/
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#include <linux/stddef.h>
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#include <linux/module.h>
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#include <linux/fs.h>
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#include <linux/ptrace.h>
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#include <linux/sched/mm.h>
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#include <linux/sched/task.h>
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#include <linux/sched/task_stack.h>
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#include <linux/slab.h>
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#include <asm/current.h>
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#include <asm/processor.h>
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#include <linux/uaccess.h>
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#include <as-layout.h>
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#include <mem_user.h>
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#include <registers.h>
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#include <skas.h>
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#include <os.h>
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void flush_thread(void)
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{
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arch_flush_thread(¤t->thread.arch);
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get_safe_registers(current_pt_regs()->regs.gp,
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current_pt_regs()->regs.fp);
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}
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void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
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{
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PT_REGS_IP(regs) = eip;
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PT_REGS_SP(regs) = esp;
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clear_thread_flag(TIF_SINGLESTEP);
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}
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EXPORT_SYMBOL(start_thread);
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