Release 4.14 arch/cris/kernel/ptrace.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/arch/cris/kernel/ptrace.c
 *
 * Parts taken from the m68k port.
 *
 * Copyright (c) 2000, 2001, 2002 Axis Communications AB
 *
 * Authors:   Bjorn Wesen
 *
 */

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/user.h>
#include <linux/tracehook.h>

#include <linux/uaccess.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/processor.h>


/* notification of userspace execution resumption
 * - triggered by current->work.notify_resume
 */
extern int do_signal(int canrestart, struct pt_regs *regs);




void do_notify_resume(int canrestart, struct pt_regs *regs,
		      __u32 thread_info_flags)
{
	/* deal with pending signal delivery */
	if (thread_info_flags & _TIF_SIGPENDING)
		do_signal(canrestart,regs);

	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
		clear_thread_flag(TIF_NOTIFY_RESUME);
		tracehook_notify_resume(regs);
	}
}

Contributors
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David Howells
18
37.50%
1
33.33%
Mikael Starvik
16
33.33%
1
33.33%
Linus Torvalds
14
29.17%
1
33.33%
Total
48
100.00%
3
100.00%



void do_work_pending(int syscall, struct pt_regs *regs,
		     unsigned int thread_flags)
{
	do {
		if (likely(thread_flags & _TIF_NEED_RESCHED)) {
			schedule();
		} else {
			if (unlikely(!user_mode(regs)))
				return;
			local_irq_enable();
			if (thread_flags & _TIF_SIGPENDING) {
				do_signal(syscall, regs);
				syscall = 0;
			} else {
				clear_thread_flag(TIF_NOTIFY_RESUME);
				tracehook_notify_resume(regs);
			}
		}
		local_irq_disable();
		thread_flags = current_thread_info()->flags;
	} while (thread_flags & _TIF_WORK_MASK);
}
Contributors
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Rabin Vincent
101
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1
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Total
101
100.00%
1
100.00%

Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Rabin Vincent
101
50.25%
1
11.11%
Linus Torvalds
51
25.37%
3
33.33%
Mikael Starvik
26
12.94%
1
11.11%
David Howells
21
10.45%
2
22.22%
Jesper Nilsson
1
0.50%
1
11.11%
Greg Kroah-Hartman
1
0.50%
1
11.11%
Total
201
100.00%
9
100.00%
Directory: arch/cris/kernel

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