/*
 * 	atalk_proc.c - proc support for Appletalk
 *
 * 	Copyright(c) Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the
 *	Free Software Foundation, version 2.
 */

#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <net/net_namespace.h>
#include <net/sock.h>
#include <linux/atalk.h>
#include <linux/export.h>


static __inline__ struct atalk_iface *atalk_get_interface_idx(loff_t pos)
{
	struct atalk_iface *i;

	for (i = atalk_interfaces; pos && i; i = i->next)
		--pos;

	return i;
}

static void *atalk_seq_interface_start(struct seq_file *seq, loff_t *pos)
	__acquires(atalk_interfaces_lock)
{
	loff_t l = *pos;

	read_lock_bh(&atalk_interfaces_lock);
	return l ? atalk_get_interface_idx(--l) : SEQ_START_TOKEN;
}

static void *atalk_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
{
	struct atalk_iface *i;

	++*pos;
	if (v == SEQ_START_TOKEN) {
		i = NULL;
		if (atalk_interfaces)
			i = atalk_interfaces;
		goto out;
	}
	i = v;
	i = i->next;
out:
	return i;
}

static void atalk_seq_interface_stop(struct seq_file *seq, void *v)
	__releases(atalk_interfaces_lock)
{
	read_unlock_bh(&atalk_interfaces_lock);
}

static int atalk_seq_interface_show(struct seq_file *seq, void *v)
{
	struct atalk_iface *iface;

	if (v == SEQ_START_TOKEN) {
		seq_puts(seq, "Interface        Address   Networks  "
			      "Status\n");
		goto out;
	}

	iface = v;
	seq_printf(seq, "%-16s %04X:%02X  %04X-%04X  %d\n",
		   iface->dev->name, ntohs(iface->address.s_net),
		   iface->address.s_node, ntohs(iface->nets.nr_firstnet),
		   ntohs(iface->nets.nr_lastnet), iface->status);
out:
	return 0;
}

static __inline__ struct atalk_route *atalk_get_route_idx(loff_t pos)
{
	struct atalk_route *r;

	for (r = atalk_routes; pos && r; r = r->next)
		--pos;

	return r;
}

static void *atalk_seq_route_start(struct seq_file *seq, loff_t *pos)
	__acquires(atalk_routes_lock)
{
	loff_t l = *pos;

	read_lock_bh(&atalk_routes_lock);
	return l ? atalk_get_route_idx(--l) : SEQ_START_TOKEN;
}

static void *atalk_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
	struct atalk_route *r;

	++*pos;
	if (v == SEQ_START_TOKEN) {
		r = NULL;
		if (atalk_routes)
			r = atalk_routes;
		goto out;
	}
	r = v;
	r = r->next;
out:
	return r;
}

static void atalk_seq_route_stop(struct seq_file *seq, void *v)
	__releases(atalk_routes_lock)
{
	read_unlock_bh(&atalk_routes_lock);
}

static int atalk_seq_route_show(struct seq_file *seq, void *v)
{
	struct atalk_route *rt;

	if (v == SEQ_START_TOKEN) {
		seq_puts(seq, "Target        Router  Flags Dev\n");
		goto out;
	}

	if (atrtr_default.dev) {
		rt = &atrtr_default;
		seq_printf(seq, "Default     %04X:%02X  %-4d  %s\n",
			       ntohs(rt->gateway.s_net), rt->gateway.s_node,
			       rt->flags, rt->dev->name);
	}

	rt = v;
	seq_printf(seq, "%04X:%02X     %04X:%02X  %-4d  %s\n",
		   ntohs(rt->target.s_net), rt->target.s_node,
		   ntohs(rt->gateway.s_net), rt->gateway.s_node,
		   rt->flags, rt->dev->name);
out:
	return 0;
}

static void *atalk_seq_socket_start(struct seq_file *seq, loff_t *pos)
	__acquires(atalk_sockets_lock)
{
	read_lock_bh(&atalk_sockets_lock);
	return seq_hlist_start_head(&atalk_sockets, *pos);
}

static void *atalk_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_hlist_next(v, &atalk_sockets, pos);
}

static void atalk_seq_socket_stop(struct seq_file *seq, void *v)
	__releases(atalk_sockets_lock)
{
	read_unlock_bh(&atalk_sockets_lock);
}

static int atalk_seq_socket_show(struct seq_file *seq, void *v)
{
	struct sock *s;
	struct atalk_sock *at;

	if (v == SEQ_START_TOKEN) {
		seq_printf(seq, "Type Local_addr  Remote_addr Tx_queue "
				"Rx_queue St UID\n");
		goto out;
	}

	s = sk_entry(v);
	at = at_sk(s);

	seq_printf(seq, "%02X   %04X:%02X:%02X  %04X:%02X:%02X  %08X:%08X "
			"%02X %u\n",
		   s->sk_type, ntohs(at->src_net), at->src_node, at->src_port,
		   ntohs(at->dest_net), at->dest_node, at->dest_port,
		   sk_wmem_alloc_get(s),
		   sk_rmem_alloc_get(s),
		   s->sk_state,
		   from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
out:
	return 0;
}

static const struct seq_operations atalk_seq_interface_ops = {
	.start  = atalk_seq_interface_start,
	.next   = atalk_seq_interface_next,
	.stop   = atalk_seq_interface_stop,
	.show   = atalk_seq_interface_show,
};

static const struct seq_operations atalk_seq_route_ops = {
	.start  = atalk_seq_route_start,
	.next   = atalk_seq_route_next,
	.stop   = atalk_seq_route_stop,
	.show   = atalk_seq_route_show,
};

static const struct seq_operations atalk_seq_socket_ops = {
	.start  = atalk_seq_socket_start,
	.next   = atalk_seq_socket_next,
	.stop   = atalk_seq_socket_stop,
	.show   = atalk_seq_socket_show,
};

static int atalk_seq_interface_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &atalk_seq_interface_ops);
}

static int atalk_seq_route_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &atalk_seq_route_ops);
}

static int atalk_seq_socket_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &atalk_seq_socket_ops);
}

static const struct file_operations atalk_seq_interface_fops = {
	.owner		= THIS_MODULE,
	.open		= atalk_seq_interface_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static const struct file_operations atalk_seq_route_fops = {
	.owner		= THIS_MODULE,
	.open		= atalk_seq_route_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static const struct file_operations atalk_seq_socket_fops = {
	.owner		= THIS_MODULE,
	.open		= atalk_seq_socket_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static struct proc_dir_entry *atalk_proc_dir;

int __init atalk_proc_init(void)
{
	struct proc_dir_entry *p;
	int rc = -ENOMEM;

	atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net);
	if (!atalk_proc_dir)
		goto out;

	p = proc_create("interface", S_IRUGO, atalk_proc_dir,
			&atalk_seq_interface_fops);
	if (!p)
		goto out_interface;

	p = proc_create("route", S_IRUGO, atalk_proc_dir,
			&atalk_seq_route_fops);
	if (!p)
		goto out_route;

	p = proc_create("socket", S_IRUGO, atalk_proc_dir,
			&atalk_seq_socket_fops);
	if (!p)
		goto out_socket;

	p = proc_create("arp", S_IRUGO, atalk_proc_dir, &atalk_seq_arp_fops);
	if (!p)
		goto out_arp;

	rc = 0;
out:
	return rc;
out_arp:
	remove_proc_entry("socket", atalk_proc_dir);
out_socket:
	remove_proc_entry("route", atalk_proc_dir);
out_route:
	remove_proc_entry("interface", atalk_proc_dir);
out_interface:
	remove_proc_entry("atalk", init_net.proc_net);
	goto out;
}

void __exit atalk_proc_exit(void)
{
	remove_proc_entry("interface", atalk_proc_dir);
	remove_proc_entry("route", atalk_proc_dir);
	remove_proc_entry("socket", atalk_proc_dir);
	remove_proc_entry("arp", atalk_proc_dir);
	remove_proc_entry("atalk", init_net.proc_net);
}
ocode patch for later
application.

Now, when we suspend to RAM, the loaded microcode gets cleared so we
need to reload but there's no patch saved in the cache.

Removing the optimization fixes this issue and all is fine and dandy.

Fixes: 06b8534cb728 ("x86/microcode: Rework microcode loading")
Signed-off-by: Borislav Petkov &lt;bp@suse.de&gt;
Reviewed-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Link: http://lkml.kernel.org/r/20170120202955.4091-2-bp@alien8.de
Signed-off-by: Thomas Gleixner &lt;tglx@linutronix.de&gt;

</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=c26665ab5c49ad3e142e0f054ca3204f259ba09c'>Diffstat</a> (limited to 'include/net/bluetooth')</div><table summary='diffstat' class='diffstat'>