/*********************************************************************
 *                
 * Filename:      irda.h
 * Version:       1.0
 * Description:   IrDA common include file for kernel internal use
 * Status:        Stable
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Tue Dec  9 21:13:12 1997
 * Modified at:   Fri Jan 28 13:16:32 2000
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 * 
 *     Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
 *     Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
 *      
 *     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; either version 2 of 
 *     the License, or (at your option) any later version.
 *  
 *     Neither Dag Brattli nor University of Tromsø admit liability nor
 *     provide warranty for any of this software. This material is 
 *     provided "AS-IS" and at no charge.
 *     
 ********************************************************************/

#ifndef NET_IRDA_H
#define NET_IRDA_H

#include <linux/skbuff.h>		/* struct sk_buff */
#include <linux/kernel.h>
#include <linux/if.h>			/* sa_family_t in <linux/irda.h> */
#include <linux/irda.h>

typedef __u32 magic_t;

#ifndef TRUE
#define TRUE 1
#endif

#ifndef FALSE 
#define FALSE 0
#endif

/* Hack to do small backoff when setting media busy in IrLAP */
#ifndef SMALL
#define SMALL 5
#endif

#ifndef IRDA_MIN /* Lets not mix this MIN with other header files */
#define IRDA_MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif

#ifndef IRDA_ALIGN
#  define IRDA_ALIGN __attribute__((aligned))
#endif

#ifdef CONFIG_IRDA_DEBUG
#define IRDA_ASSERT(expr, func) \
do { if(!(expr)) { \
	printk( "Assertion failed! %s:%s:%d %s\n", \
		__FILE__,__func__,__LINE__,(#expr) ); \
	func } } while (0)
#define IRDA_ASSERT_LABEL(label)	label
#else
#define IRDA_ASSERT(expr, func) do { (void)(expr); } while (0)
#define IRDA_ASSERT_LABEL(label)
#endif /* CONFIG_IRDA_DEBUG */

/*
 *  Magic numbers used by Linux-IrDA. Random numbers which must be unique to 
 *  give the best protection
 */

#define IRTTY_MAGIC        0x2357
#define LAP_MAGIC          0x1357
#define LMP_MAGIC          0x4321
#define LMP_LSAP_MAGIC     0x69333
#define LMP_LAP_MAGIC      0x3432
#define IRDA_DEVICE_MAGIC  0x63454
#define IAS_MAGIC          0x007
#define TTP_MAGIC          0x241169
#define TTP_TSAP_MAGIC     0x4345
#define IROBEX_MAGIC       0x341324
#define HB_MAGIC           0x64534
#define IRLAN_MAGIC        0x754
#define IAS_OBJECT_MAGIC   0x34234
#define IAS_ATTRIB_MAGIC   0x45232
#define IRDA_TASK_MAGIC    0x38423

#define IAS_DEVICE_ID 0x0000 /* Defined by IrDA, IrLMP section 4.1 (page 68) */
#define IAS_PNP_ID    0xd342
#define IAS_OBEX_ID   0x34323
#define IAS_IRLAN_ID  0x34234
#define IAS_IRCOMM_ID 0x2343
#define IAS_IRLPT_ID  0x9876

struct net_device;
struct packet_type;

void irda_proc_register(void);
void irda_proc_unregister(void);

int irda_sysctl_register(void);
void irda_sysctl_unregister(void);

int irsock_init(void);
void irsock_cleanup(void);

int irda_nl_register(void);
void irda_nl_unregister(void);

int irlap_driver_rcv(struct sk_buff *skb, struct net_device *dev,
		     struct packet_type *ptype, struct net_device *orig_dev);

#endif /* NET_IRDA_H */
i-pkt.h?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>ncsi-pkt.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Benjamin Herrenschmidt &lt;benh@kernel.crashing.org&gt;</td><td class='right'>2017-02-03 17:10:28 +1100</td></tr>
<tr><th>committer</th><td>Michael Ellerman &lt;mpe@ellerman.id.au&gt;</td><td class='right'>2017-02-08 23:36:29 +1100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ncsi/ncsi-pkt.h?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>d7df2443cd5f67fc6ee7c05a88e4996e8177f91b</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/ncsi/ncsi-pkt.h?id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>098a7c0ca4fceb8a65cb1f693c9d71990388933d</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/ncsi/ncsi-pkt.h?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>net/ncsi/ncsi-pkt.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/ncsi/ncsi-pkt.h?h=nds-private-remove&amp;id=a0615a16f7d0ceb5804d295203c302d496d8ee91'>a0615a16f7d0ceb5804d295203c302d496d8ee91</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/ncsi/ncsi-pkt.h?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b&amp;id2=a0615a16f7d0ceb5804d295203c302d496d8ee91'>diff</a>)</td></tr></table>
<div class='commit-subject'>powerpc/mm: Fix spurrious segfaults on radix with autonuma</div><div class='commit-msg'>When autonuma (Automatic NUMA balancing) marks a PTE inaccessible it
clears all the protection bits but leave the PTE valid.

With the Radix MMU, an attempt at executing from such a PTE will
take a fault with bit 35 of SRR1 set "SRR1_ISI_N_OR_G".

It is thus incorrect to treat all such faults as errors. We should
pass them to handle_mm_fault() for autonuma to deal with. The case
of pages that are really not executable is handled by the existing
test for VM_EXEC further down.

That leaves us with catching the kernel attempts at executing user
pages. We can catch that earlier, even before we do find_vma.

It is never valid on powerpc for the kernel to take an exec fault
to begin with. So fold that test with the existing test for the
kernel faulting on kernel addresses to bail out early.

Fixes: 1d18ad026844 ("powerpc/mm: Detect instruction fetch denied and report")
Signed-off-by: Benjamin Herrenschmidt &lt;benh@kernel.crashing.org&gt;
Reviewed-by: Aneesh Kumar K.V &lt;aneesh.kumar@linux.vnet.ibm.com&gt;
Acked-by: Balbir Singh &lt;bsingharora@gmail.com&gt;
Signed-off-by: Michael Ellerman &lt;mpe@ellerman.id.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=d7df2443cd5f67fc6ee7c05a88e4996e8177f91b'>Diffstat</a> (limited to 'net/ncsi/ncsi-pkt.h')</div><table summary='diffstat' class='diffstat'>