<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-stable.git/drivers/input/misc, branch v3.12.64</title>
<subtitle>Linux kernel stable tree</subtitle>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/'/>
<entry>
<title>Input: uinput - handle compat ioctl for UI_SET_PHYS</title>
<updated>2016-06-15T07:32:10+00:00</updated>
<author>
<name>Ricky Liang</name>
<email>jcliang@chromium.org</email>
</author>
<published>2016-05-20T17:58:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=4d0c18529fda944d298d34e7565111335410fc25'/>
<id>4d0c18529fda944d298d34e7565111335410fc25</id>
<content type='text'>
commit affa80bd97f7ca282d1faa91667b3ee9e4c590e6 upstream.

When running a 32-bit userspace on a 64-bit kernel, the UI_SET_PHYS
ioctl needs to be treated with special care, as it has the pointer
size encoded in the command.

Signed-off-by: Ricky Liang &lt;jcliang@chromium.org&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit affa80bd97f7ca282d1faa91667b3ee9e4c590e6 upstream.

When running a 32-bit userspace on a 64-bit kernel, the UI_SET_PHYS
ioctl needs to be treated with special care, as it has the pointer
size encoded in the command.

Signed-off-by: Ricky Liang &lt;jcliang@chromium.org&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Input: max8997-haptic - fix NULL pointer dereference</title>
<updated>2016-05-16T14:29:24+00:00</updated>
<author>
<name>Marek Szyprowski</name>
<email>m.szyprowski@samsung.com</email>
</author>
<published>2016-05-09T16:31:47+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=c93dc2bdc3aabcffeffe91f40828ba92560806d1'/>
<id>c93dc2bdc3aabcffeffe91f40828ba92560806d1</id>
<content type='text'>
commit 6ae645d5fa385f3787bf1723639cd907fe5865e7 upstream.

NULL pointer derefence happens when booting with DTB because the
platform data for haptic device is not set in supplied data from parent
MFD device.

The MFD device creates only platform data (from Device Tree) for itself,
not for haptic child.

Unable to handle kernel NULL pointer dereference at virtual address 0000009c
pgd = c0004000
	[0000009c] *pgd=00000000
	Internal error: Oops: 5 [#1] PREEMPT SMP ARM
	(max8997_haptic_probe) from [&lt;c03f9cec&gt;] (platform_drv_probe+0x4c/0xb0)
	(platform_drv_probe) from [&lt;c03f8440&gt;] (driver_probe_device+0x214/0x2c0)
	(driver_probe_device) from [&lt;c03f8598&gt;] (__driver_attach+0xac/0xb0)
	(__driver_attach) from [&lt;c03f67ac&gt;] (bus_for_each_dev+0x68/0x9c)
	(bus_for_each_dev) from [&lt;c03f7a38&gt;] (bus_add_driver+0x1a0/0x218)
	(bus_add_driver) from [&lt;c03f8db0&gt;] (driver_register+0x78/0xf8)
	(driver_register) from [&lt;c0101774&gt;] (do_one_initcall+0x90/0x1d8)
	(do_one_initcall) from [&lt;c0a00dbc&gt;] (kernel_init_freeable+0x15c/0x1fc)
	(kernel_init_freeable) from [&lt;c06bb5b4&gt;] (kernel_init+0x8/0x114)
	(kernel_init) from [&lt;c0107938&gt;] (ret_from_fork+0x14/0x3c)

Signed-off-by: Marek Szyprowski &lt;m.szyprowski@samsung.com&gt;
Fixes: 104594b01ce7 ("Input: add driver support for MAX8997-haptic")
[k.kozlowski: Write commit message, add CC-stable]
Signed-off-by: Krzysztof Kozlowski &lt;k.kozlowski@samsung.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 6ae645d5fa385f3787bf1723639cd907fe5865e7 upstream.

NULL pointer derefence happens when booting with DTB because the
platform data for haptic device is not set in supplied data from parent
MFD device.

The MFD device creates only platform data (from Device Tree) for itself,
not for haptic child.

Unable to handle kernel NULL pointer dereference at virtual address 0000009c
pgd = c0004000
	[0000009c] *pgd=00000000
	Internal error: Oops: 5 [#1] PREEMPT SMP ARM
	(max8997_haptic_probe) from [&lt;c03f9cec&gt;] (platform_drv_probe+0x4c/0xb0)
	(platform_drv_probe) from [&lt;c03f8440&gt;] (driver_probe_device+0x214/0x2c0)
	(driver_probe_device) from [&lt;c03f8598&gt;] (__driver_attach+0xac/0xb0)
	(__driver_attach) from [&lt;c03f67ac&gt;] (bus_for_each_dev+0x68/0x9c)
	(bus_for_each_dev) from [&lt;c03f7a38&gt;] (bus_add_driver+0x1a0/0x218)
	(bus_add_driver) from [&lt;c03f8db0&gt;] (driver_register+0x78/0xf8)
	(driver_register) from [&lt;c0101774&gt;] (do_one_initcall+0x90/0x1d8)
	(do_one_initcall) from [&lt;c0a00dbc&gt;] (kernel_init_freeable+0x15c/0x1fc)
	(kernel_init_freeable) from [&lt;c06bb5b4&gt;] (kernel_init+0x8/0x114)
	(kernel_init) from [&lt;c0107938&gt;] (ret_from_fork+0x14/0x3c)

Signed-off-by: Marek Szyprowski &lt;m.szyprowski@samsung.com&gt;
Fixes: 104594b01ce7 ("Input: add driver support for MAX8997-haptic")
[k.kozlowski: Write commit message, add CC-stable]
Signed-off-by: Krzysztof Kozlowski &lt;k.kozlowski@samsung.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Input: ati_remote2 - fix crashes on detecting device with invalid descriptor</title>
<updated>2016-04-11T14:44:25+00:00</updated>
<author>
<name>Vladis Dronov</name>
<email>vdronov@redhat.com</email>
</author>
<published>2016-03-23T18:53:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=ca216547bc4a3e7d73043f4d9b42d6461cf3067f'/>
<id>ca216547bc4a3e7d73043f4d9b42d6461cf3067f</id>
<content type='text'>
commit 950336ba3e4a1ffd2ca60d29f6ef386dd2c7351d upstream.

The ati_remote2 driver expects at least two interfaces with one
endpoint each. If given malicious descriptor that specify one
interface or no endpoints, it will crash in the probe function.
Ensure there is at least two interfaces and one endpoint for each
interface before using it.

The full disclosure: http://seclists.org/bugtraq/2016/Mar/90

Reported-by: Ralf Spenneberg &lt;ralf@spenneberg.net&gt;
Signed-off-by: Vladis Dronov &lt;vdronov@redhat.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 950336ba3e4a1ffd2ca60d29f6ef386dd2c7351d upstream.

The ati_remote2 driver expects at least two interfaces with one
endpoint each. If given malicious descriptor that specify one
interface or no endpoints, it will crash in the probe function.
Ensure there is at least two interfaces and one endpoint for each
interface before using it.

The full disclosure: http://seclists.org/bugtraq/2016/Mar/90

Reported-by: Ralf Spenneberg &lt;ralf@spenneberg.net&gt;
Signed-off-by: Vladis Dronov &lt;vdronov@redhat.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Input: ims-pcu - sanity check against missing interfaces</title>
<updated>2016-04-11T14:44:25+00:00</updated>
<author>
<name>Oliver Neukum</name>
<email>oneukum@suse.com</email>
</author>
<published>2016-03-17T21:00:17+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=b18626baf7a8b5bef098204516641b0701419d85'/>
<id>b18626baf7a8b5bef098204516641b0701419d85</id>
<content type='text'>
commit a0ad220c96692eda76b2e3fd7279f3dcd1d8a8ff upstream.

A malicious device missing interface can make the driver oops.
Add sanity checking.

Signed-off-by: Oliver Neukum &lt;ONeukum@suse.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit a0ad220c96692eda76b2e3fd7279f3dcd1d8a8ff upstream.

A malicious device missing interface can make the driver oops.
Add sanity checking.

Signed-off-by: Oliver Neukum &lt;ONeukum@suse.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Input: powermate - fix oops with malicious USB descriptors</title>
<updated>2016-04-11T14:44:09+00:00</updated>
<author>
<name>Josh Boyer</name>
<email>jwboyer@fedoraproject.org</email>
</author>
<published>2016-03-14T16:33:40+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=4f5d9400a57200b8a9f6a683a7beadd159ac09e1'/>
<id>4f5d9400a57200b8a9f6a683a7beadd159ac09e1</id>
<content type='text'>
commit 9c6ba456711687b794dcf285856fc14e2c76074f upstream.

The powermate driver expects at least one valid USB endpoint in its
probe function.  If given malicious descriptors that specify 0 for
the number of endpoints, it will crash.  Validate the number of
endpoints on the interface before using them.

The full report for this issue can be found here:
http://seclists.org/bugtraq/2016/Mar/85

Reported-by: Ralf Spenneberg &lt;ralf@spenneberg.net&gt;
Signed-off-by: Josh Boyer &lt;jwboyer@fedoraproject.org&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 9c6ba456711687b794dcf285856fc14e2c76074f upstream.

The powermate driver expects at least one valid USB endpoint in its
probe function.  If given malicious descriptors that specify 0 for
the number of endpoints, it will crash.  Validate the number of
endpoints on the interface before using them.

The full report for this issue can be found here:
http://seclists.org/bugtraq/2016/Mar/85

Reported-by: Ralf Spenneberg &lt;ralf@spenneberg.net&gt;
Signed-off-by: Josh Boyer &lt;jwboyer@fedoraproject.org&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Input: twl4030-pwrbutton - ensure a wakeup event is recorded.</title>
<updated>2015-04-27T17:59:56+00:00</updated>
<author>
<name>NeilBrown</name>
<email>neilb@suse.de</email>
</author>
<published>2014-11-07T23:46:56+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=d236e5ed00d0921c57dc7b41cde4227af7e3567d'/>
<id>d236e5ed00d0921c57dc7b41cde4227af7e3567d</id>
<content type='text'>
commit c42bfd7f6cd26e8f712fc184460e32845d928d17 upstream.

This button is treated as a wakeup source, so we need to initialise it
correctly.

Without the device_init_wakeup() call, dev-&gt;power.wakeup will
be NULL, and pm_wakeup_event() will do nothing.

Signed-off-by: NeilBrown &lt;neilb@suse.de&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit c42bfd7f6cd26e8f712fc184460e32845d928d17 upstream.

This button is treated as a wakeup source, so we need to initialise it
correctly.

Without the device_init_wakeup() call, dev-&gt;power.wakeup will
be NULL, and pm_wakeup_event() will do nothing.

Signed-off-by: NeilBrown &lt;neilb@suse.de&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Input: sirfsoc-onkey - fix GPL v2 license string typo</title>
<updated>2015-04-27T17:59:56+00:00</updated>
<author>
<name>Bjorn Helgaas</name>
<email>bhelgaas@google.com</email>
</author>
<published>2014-07-18T17:05:38+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=5dce3f12f1c3483ce4732f1f6452fbc31d84b3c5'/>
<id>5dce3f12f1c3483ce4732f1f6452fbc31d84b3c5</id>
<content type='text'>
commit 67f4aef20055afec73e37e7752bc6cc74fa01dea upstream.

Per license_is_gpl_compatible(), the MODULE_LICENSE() string for GPL v2 is
"GPL v2", not "GPLv2".  Use "GPL v2" so this module doesn't taint the
kernel.

Signed-off-by: Bjorn Helgaas &lt;bhelgaas@google.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 67f4aef20055afec73e37e7752bc6cc74fa01dea upstream.

Per license_is_gpl_compatible(), the MODULE_LICENSE() string for GPL v2 is
"GPL v2", not "GPLv2".  Use "GPL v2" so this module doesn't taint the
kernel.

Signed-off-by: Bjorn Helgaas &lt;bhelgaas@google.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Input - arizona-haptics: Fix double lock of dapm_mutex</title>
<updated>2014-03-05T16:13:54+00:00</updated>
<author>
<name>Charles Keepax</name>
<email>ckeepax@opensource.wolfsonmicro.com</email>
</author>
<published>2014-02-18T15:22:12+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=29e63f5f124dec97ee372cbab05611494f413adc'/>
<id>29e63f5f124dec97ee372cbab05611494f413adc</id>
<content type='text'>
commit c4204960e9d0ba99459dbf1db918f99a45e7a62a upstream.

snd_soc_dapm_sync takes the dapm_mutex internally, but we currently take
it externally as well. This patch fixes this.

Signed-off-by: Charles Keepax &lt;ckeepax@opensource.wolfsonmicro.com&gt;
Signed-off-by: Mark Brown &lt;broonie@linaro.org&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit c4204960e9d0ba99459dbf1db918f99a45e7a62a upstream.

snd_soc_dapm_sync takes the dapm_mutex internally, but we currently take
it externally as well. This patch fixes this.

Signed-off-by: Charles Keepax &lt;ckeepax@opensource.wolfsonmicro.com&gt;
Signed-off-by: Mark Brown &lt;broonie@linaro.org&gt;
Signed-off-by: Jiri Slaby &lt;jslaby@suse.cz&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>xen/pvhvm: If xen_platform_pci=0 is set don't blow up (v4).</title>
<updated>2014-02-13T21:50:10+00:00</updated>
<author>
<name>Konrad Rzeszutek Wilk</name>
<email>konrad.wilk@oracle.com</email>
</author>
<published>2013-11-26T20:05:40+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=d7c80b2d79624efd8fb6c2bfb44bd41ea2831cd4'/>
<id>d7c80b2d79624efd8fb6c2bfb44bd41ea2831cd4</id>
<content type='text'>
commit 51c71a3bbaca868043cc45b3ad3786dd48a90235 upstream.

The user has the option of disabling the platform driver:
00:02.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)

which is used to unplug the emulated drivers (IDE, Realtek 8169, etc)
and allow the PV drivers to take over. If the user wishes
to disable that they can set:

  xen_platform_pci=0
  (in the guest config file)

or
  xen_emul_unplug=never
  (on the Linux command line)

except it does not work properly. The PV drivers still try to
load and since the Xen platform driver is not run - and it
has not initialized the grant tables, most of the PV drivers
stumble upon:

input: Xen Virtual Keyboard as /devices/virtual/input/input5
input: Xen Virtual Pointer as /devices/virtual/input/input6M
------------[ cut here ]------------
kernel BUG at /home/konrad/ssd/konrad/linux/drivers/xen/grant-table.c:1206!
invalid opcode: 0000 [#1] SMP
Modules linked in: xen_kbdfront(+) xenfs xen_privcmd
CPU: 6 PID: 1389 Comm: modprobe Not tainted 3.13.0-rc1upstream-00021-ga6c892b-dirty #1
Hardware name: Xen HVM domU, BIOS 4.4-unstable 11/26/2013
RIP: 0010:[&lt;ffffffff813ddc40&gt;]  [&lt;ffffffff813ddc40&gt;] get_free_entries+0x2e0/0x300
Call Trace:
 [&lt;ffffffff8150d9a3&gt;] ? evdev_connect+0x1e3/0x240
 [&lt;ffffffff813ddd0e&gt;] gnttab_grant_foreign_access+0x2e/0x70
 [&lt;ffffffffa0010081&gt;] xenkbd_connect_backend+0x41/0x290 [xen_kbdfront]
 [&lt;ffffffffa0010a12&gt;] xenkbd_probe+0x2f2/0x324 [xen_kbdfront]
 [&lt;ffffffff813e5757&gt;] xenbus_dev_probe+0x77/0x130
 [&lt;ffffffff813e7217&gt;] xenbus_frontend_dev_probe+0x47/0x50
 [&lt;ffffffff8145e9a9&gt;] driver_probe_device+0x89/0x230
 [&lt;ffffffff8145ebeb&gt;] __driver_attach+0x9b/0xa0
 [&lt;ffffffff8145eb50&gt;] ? driver_probe_device+0x230/0x230
 [&lt;ffffffff8145eb50&gt;] ? driver_probe_device+0x230/0x230
 [&lt;ffffffff8145cf1c&gt;] bus_for_each_dev+0x8c/0xb0
 [&lt;ffffffff8145e7d9&gt;] driver_attach+0x19/0x20
 [&lt;ffffffff8145e260&gt;] bus_add_driver+0x1a0/0x220
 [&lt;ffffffff8145f1ff&gt;] driver_register+0x5f/0xf0
 [&lt;ffffffff813e55c5&gt;] xenbus_register_driver_common+0x15/0x20
 [&lt;ffffffff813e76b3&gt;] xenbus_register_frontend+0x23/0x40
 [&lt;ffffffffa0015000&gt;] ? 0xffffffffa0014fff
 [&lt;ffffffffa001502b&gt;] xenkbd_init+0x2b/0x1000 [xen_kbdfront]
 [&lt;ffffffff81002049&gt;] do_one_initcall+0x49/0x170

.. snip..

which is hardly nice. This patch fixes this by having each
PV driver check for:
 - if running in PV, then it is fine to execute (as that is their
   native environment).
 - if running in HVM, check if user wanted 'xen_emul_unplug=never',
   in which case bail out and don't load any PV drivers.
 - if running in HVM, and if PCI device 5853:0001 (xen_platform_pci)
   does not exist, then bail out and not load PV drivers.
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=ide-disks',
   then bail out for all PV devices _except_ the block one.
   Ditto for the network one ('nics').
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=unnecessary'
   then load block PV driver, and also setup the legacy IDE paths.
   In (v3) make it actually load PV drivers.

Reported-by: Sander Eikelenboom &lt;linux@eikelenboom.it
Reported-by: Anthony PERARD &lt;anthony.perard@citrix.com&gt;
Reported-and-Tested-by: Fabio Fantoni &lt;fabio.fantoni@m2r.biz&gt;
Signed-off-by: Konrad Rzeszutek Wilk &lt;konrad.wilk@oracle.com&gt;
[v2: Add extra logic to handle the myrid ways 'xen_emul_unplug'
can be used per Ian and Stefano suggestion]
[v3: Make the unnecessary case work properly]
[v4: s/disks/ide-disks/ spotted by Fabio]
Reviewed-by: Stefano Stabellini &lt;stefano.stabellini@eu.citrix.com&gt;
Acked-by: Bjorn Helgaas &lt;bhelgaas@google.com&gt; [for PCI parts]
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 51c71a3bbaca868043cc45b3ad3786dd48a90235 upstream.

The user has the option of disabling the platform driver:
00:02.0 Unassigned class [ff80]: XenSource, Inc. Xen Platform Device (rev 01)

which is used to unplug the emulated drivers (IDE, Realtek 8169, etc)
and allow the PV drivers to take over. If the user wishes
to disable that they can set:

  xen_platform_pci=0
  (in the guest config file)

or
  xen_emul_unplug=never
  (on the Linux command line)

except it does not work properly. The PV drivers still try to
load and since the Xen platform driver is not run - and it
has not initialized the grant tables, most of the PV drivers
stumble upon:

input: Xen Virtual Keyboard as /devices/virtual/input/input5
input: Xen Virtual Pointer as /devices/virtual/input/input6M
------------[ cut here ]------------
kernel BUG at /home/konrad/ssd/konrad/linux/drivers/xen/grant-table.c:1206!
invalid opcode: 0000 [#1] SMP
Modules linked in: xen_kbdfront(+) xenfs xen_privcmd
CPU: 6 PID: 1389 Comm: modprobe Not tainted 3.13.0-rc1upstream-00021-ga6c892b-dirty #1
Hardware name: Xen HVM domU, BIOS 4.4-unstable 11/26/2013
RIP: 0010:[&lt;ffffffff813ddc40&gt;]  [&lt;ffffffff813ddc40&gt;] get_free_entries+0x2e0/0x300
Call Trace:
 [&lt;ffffffff8150d9a3&gt;] ? evdev_connect+0x1e3/0x240
 [&lt;ffffffff813ddd0e&gt;] gnttab_grant_foreign_access+0x2e/0x70
 [&lt;ffffffffa0010081&gt;] xenkbd_connect_backend+0x41/0x290 [xen_kbdfront]
 [&lt;ffffffffa0010a12&gt;] xenkbd_probe+0x2f2/0x324 [xen_kbdfront]
 [&lt;ffffffff813e5757&gt;] xenbus_dev_probe+0x77/0x130
 [&lt;ffffffff813e7217&gt;] xenbus_frontend_dev_probe+0x47/0x50
 [&lt;ffffffff8145e9a9&gt;] driver_probe_device+0x89/0x230
 [&lt;ffffffff8145ebeb&gt;] __driver_attach+0x9b/0xa0
 [&lt;ffffffff8145eb50&gt;] ? driver_probe_device+0x230/0x230
 [&lt;ffffffff8145eb50&gt;] ? driver_probe_device+0x230/0x230
 [&lt;ffffffff8145cf1c&gt;] bus_for_each_dev+0x8c/0xb0
 [&lt;ffffffff8145e7d9&gt;] driver_attach+0x19/0x20
 [&lt;ffffffff8145e260&gt;] bus_add_driver+0x1a0/0x220
 [&lt;ffffffff8145f1ff&gt;] driver_register+0x5f/0xf0
 [&lt;ffffffff813e55c5&gt;] xenbus_register_driver_common+0x15/0x20
 [&lt;ffffffff813e76b3&gt;] xenbus_register_frontend+0x23/0x40
 [&lt;ffffffffa0015000&gt;] ? 0xffffffffa0014fff
 [&lt;ffffffffa001502b&gt;] xenkbd_init+0x2b/0x1000 [xen_kbdfront]
 [&lt;ffffffff81002049&gt;] do_one_initcall+0x49/0x170

.. snip..

which is hardly nice. This patch fixes this by having each
PV driver check for:
 - if running in PV, then it is fine to execute (as that is their
   native environment).
 - if running in HVM, check if user wanted 'xen_emul_unplug=never',
   in which case bail out and don't load any PV drivers.
 - if running in HVM, and if PCI device 5853:0001 (xen_platform_pci)
   does not exist, then bail out and not load PV drivers.
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=ide-disks',
   then bail out for all PV devices _except_ the block one.
   Ditto for the network one ('nics').
 - (v2) if running in HVM, and if the user wanted 'xen_emul_unplug=unnecessary'
   then load block PV driver, and also setup the legacy IDE paths.
   In (v3) make it actually load PV drivers.

Reported-by: Sander Eikelenboom &lt;linux@eikelenboom.it
Reported-by: Anthony PERARD &lt;anthony.perard@citrix.com&gt;
Reported-and-Tested-by: Fabio Fantoni &lt;fabio.fantoni@m2r.biz&gt;
Signed-off-by: Konrad Rzeszutek Wilk &lt;konrad.wilk@oracle.com&gt;
[v2: Add extra logic to handle the myrid ways 'xen_emul_unplug'
can be used per Ian and Stefano suggestion]
[v3: Make the unnecessary case work properly]
[v4: s/disks/ide-disks/ spotted by Fabio]
Reviewed-by: Stefano Stabellini &lt;stefano.stabellini@eu.citrix.com&gt;
Acked-by: Bjorn Helgaas &lt;bhelgaas@google.com&gt; [for PCI parts]
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;

</pre>
</div>
</content>
</entry>
<entry>
<title>Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input</title>
<updated>2013-10-31T17:38:59+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2013-10-31T17:38:59+00:00</published>
<link rel='alternate' type='text/html' href='https://git.tavy.me/linux-stable.git/commit/?id=026f8f612a137324869b6dbdf1d526d176e1766e'/>
<id>026f8f612a137324869b6dbdf1d526d176e1766e</id>
<content type='text'>
Pull input updates from Dmitry Torokhov:
 "A bit later than I would want, but the changes are very minor - a few
  new device IDs for new hardware in existing drivers, fix for battery
  in Wacom devices not be considered system battery and cause emergency
  hibernations, and a couple of other bug fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: ALPS - add support for model found on Dell XT2
  Input: wacom - add support for ISDv4 0x10E sensor
  Input: wacom - add support for ISDv4 0x10F sensor
  Input: wacom - export battery scope
  Input: cm109 - convert high volume dev_err() to dev_err_ratelimited()
  Input: move name/timer init to input_alloc_dev()
  Input: i8042 - i8042_flush fix for a full 8042 buffer
  Input: pxa27x_keypad - fix NULL pointer dereference
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull input updates from Dmitry Torokhov:
 "A bit later than I would want, but the changes are very minor - a few
  new device IDs for new hardware in existing drivers, fix for battery
  in Wacom devices not be considered system battery and cause emergency
  hibernations, and a couple of other bug fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: ALPS - add support for model found on Dell XT2
  Input: wacom - add support for ISDv4 0x10E sensor
  Input: wacom - add support for ISDv4 0x10F sensor
  Input: wacom - export battery scope
  Input: cm109 - convert high volume dev_err() to dev_err_ratelimited()
  Input: move name/timer init to input_alloc_dev()
  Input: i8042 - i8042_flush fix for a full 8042 buffer
  Input: pxa27x_keypad - fix NULL pointer dereference
</pre>
</div>
</content>
</entry>
</feed>
