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Mark functions MatchSrcIpAddress(), MatchDestIpAddress() and MatchTos()
as static in Qos.c because they are not used outside this file.
This eliminates the following warnings in Qos.c:
drivers/staging/bcm/Qos.c:27:6: warning: no previous prototype for ‘MatchSrcIpAddress’ [-Wmissing-prototypes]
drivers/staging/bcm/Qos.c:61:6: warning: no previous prototype for ‘MatchDestIpAddress’ [-Wmissing-prototypes]
drivers/staging/bcm/Qos.c:94:6: warning: no previous prototype for ‘MatchTos’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mark functions t3e3_set_loopback(), t3e3_reg_read(), t3e3_reg_write(),
t3e3_port_get(), t3e3_port_set(), t3e3_port_get_stats() and
t3e3_port_del_stats() as static in ctrl.c because they are not used
outside this file.
This eliminates the following warnings in ctrl.c:
drivers/staging/sbe-2t3e3/ctrl.c:34:6: warning: no previous prototype for ‘t3e3_set_loopback’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:98:6: warning: no previous prototype for ‘t3e3_reg_read’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:135:6: warning: no previous prototype for ‘t3e3_reg_write’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:167:6: warning: no previous prototype for ‘t3e3_port_get’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:172:6: warning: no previous prototype for ‘t3e3_port_set’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:219:6: warning: no previous prototype for ‘t3e3_port_get_stats’ [-Wmissing-prototypes]
drivers/staging/sbe-2t3e3/ctrl.c:285:6: warning: no previous prototype for ‘t3e3_port_del_stats’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Mark function smtcfb_setmode() as static in sm7xxfb.c because it is not
used outside this file.
This eliminates the following warning in sm7xxfb.c:
drivers/staging/sm7xxfb/sm7xxfb.c:588:6: warning: no previous prototype for ‘smtcfb_setmode’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Acked-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Include appropriate header file in dgap/dgap_parse.h in dgap_parse.c
because functions dgap_parsefile(), dgap_config_get_useintr(),
dgap_config_get_altpin(), dgap_find_config(),
dgap_config_get_number_of_ports(), dgap_create_config_string() and
dgap_get_config_letters() have their prototype declarations in the
header file.
This eliminates the following warnings in dgap_parse.c:
drivers/staging/dgap/dgap_parse.c:125:5: warning: no previous prototype for ‘dgap_parsefile’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1101:6: warning: no previous prototype for ‘dgap_config_get_useintr’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1128:6: warning: no previous prototype for ‘dgap_config_get_altpin’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1157:15: warning: no previous prototype for ‘dgap_find_config’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1223:6: warning: no previous prototype for ‘dgap_config_get_number_of_ports’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1252:7: warning: no previous prototype for ‘dgap_create_config_string’ [-Wmissing-prototypes]
drivers/staging/dgap/dgap_parse.c:1311:7: warning: no previous prototype for ‘dgap_get_config_letters’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Include appropriate header file dgap/dgap_trace.h in dgap_trace.c
because function dgap_tracer_free() have its prototype declaration in
the header file.
This eliminates the following warning in dgap_trace.c:
drivers/staging/dgap/dgap_trace.c:181:6: warning: no previous prototype for ‘dgap_tracer_free’ [-Wmissing-prototypes]
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch declares the function of_get_tve_mode
as a static one to fix this sparse warning:
drivers/staging/imx-drm/imx-tve.c:563:11: warning: \
symbol 'of_get_tve_mode' was not declared. \
Should it be static?
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid that bus_unregister() triggers a use-after-free with
CONFIG_DEBUG_KOBJECT_RELEASE=y. This patch avoids that the
following sequence triggers a kernel crash with memory poisoning
enabled:
* bus_register()
* driver_register()
* driver_unregister()
* bus_unregister()
The above sequence causes the bus private data to be freed from
inside the bus_unregister() call although it is not guaranteed in
that function that the reference count on the bus private data has
dropped to zero. As an example, with CONFIG_DEBUG_KOBJECT_RELEASE=y
the ${bus}/drivers kobject is still holding a reference on
bus->p->subsys.kobj via its parent pointer at the time the bus
private data is freed. Fix this by deferring freeing the bus private
data until the last kobject_put() call on bus->p->subsys.kobj.
The kernel oops triggered by the above sequence and with memory
poisoning enabled and that is fixed by this patch is as follows:
general protection fault: 0000 [#1] PREEMPT SMP
CPU: 3 PID: 2711 Comm: kworker/3:32 Tainted: G W O 3.13.0-rc4-debug+ #1
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Workqueue: events kobject_delayed_cleanup
task: ffff880037f866d0 ti: ffff88003b638000 task.ti: ffff88003b638000
Call Trace:
[<ffffffff81263105>] ? kobject_get_path+0x25/0x100
[<ffffffff81264354>] kobject_uevent_env+0x134/0x600
[<ffffffff8126482b>] kobject_uevent+0xb/0x10
[<ffffffff81262fa2>] kobject_delayed_cleanup+0xc2/0x1b0
[<ffffffff8106c047>] process_one_work+0x217/0x700
[<ffffffff8106bfdb>] ? process_one_work+0x1ab/0x700
[<ffffffff8106c64b>] worker_thread+0x11b/0x3a0
[<ffffffff8106c530>] ? process_one_work+0x700/0x700
[<ffffffff81074b70>] kthread+0xf0/0x110
[<ffffffff81074a80>] ? insert_kthread_work+0x80/0x80
[<ffffffff815673bc>] ret_from_fork+0x7c/0xb0
[<ffffffff81074a80>] ? insert_kthread_work+0x80/0x80
Code: 89 f8 48 89 e5 f6 82 c0 27 63 81 20 74 15 0f 1f 44 00 00 48 83 c0 01 0f b6 10 f6 82 c0 27 63 81 20 75 f0 5d c3 66 0f 1f 44 00 00 <80> 3f 00 55 48 89 e5 74 15 48 89 f8 0f 1f 40 00 48 83 c0 01 80
RIP [<ffffffff81267ed0>] strlen+0x0/0x30
RSP <ffff88003b639c70>
---[ end trace 210f883ef80376aa ]---
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Avoid that sparse reports the following warning on __fw_free_buf():
drivers/base/firmware_class.c:230:9: warning: context imbalance in '__fw_free_buf' - unexpected unlock
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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in ko_KR
The update did not applied on Korean translation although it applied on
English documentation. Apply it on Korean translation now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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English version HOWTO updated the versioning but Korean version didn't.
Update it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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English version HOWTO updated the address but Korean version didn't.
Update it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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English version HOWTO updated the link but Korean version didn't. Update
it now.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The nwbutton driver uses interruptible_sleep_on to wait for buttons
getting pressed after we enter the read() function, which is inherently
racy and cannot be fixed by using wait_event without changing the
driver's user space interface.
Instead, this patch just uses an open-coded variant of the same
interruptible_sleep_on() call, so the driver behavior doesn't change
but we remove the sleep_on family from the kernel.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix syntax errors in comments and debug strings
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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nfc_nfc_free unlink clients from the device list
and has to be called under mei mutex
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When reset is caused by hbm protocol mismatch or timeout
we might end up in an endless reset loop and hbm protocol
will never sync
Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes a potential deadlock in case of a firmware
initiated reset
mei_reset has a dialog with the interrupt thread hence
it has to be run from an another work item
Most of the mei_resets were called from mei_hbm_dispatch
which is called in interrupt thread context so this
function underwent major revamp. The error code is
propagated to the interrupt thread and if needed
the reset is scheduled from there.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case of error, the function device_create_with_groups()
returns ERR_PTR() and never returns NULL. The NULL test in
the return value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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dma_addr_t was not used, where it should have been used.
Some format strings were not optimal.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The header which contained the declaration for kcalloc() was not
inlcuded.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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mei_deinit()
Building mei-amt-version.o triggers a GCC warning:
Documentation/misc-devices/mei/mei-amt-version.c: In function 'main':
Documentation/misc-devices/mei/mei-amt-version.c:103:5: warning: 'acmd.fd' is used uninitialized in this function [-Wuninitialized]
if (cl->fd != -1)
^
Documentation/misc-devices/mei/mei-amt-version.c:443:21: note: 'acmd.fd' was declared here
struct amt_host_if acmd;
^
GCC is correct. See, the call chain that GCC detects must be
main()
amt_host_if_init()
mei_init()
mei_deinit()
But when we enter mei_deinit() struct amt_host_if acmd is still
unitialized. That makes the test for (effectively) amt_host_if->mei_cl->fd
bogus.
But it turns out that call of mei_deinit() isn't needed at all. All of
the members of mei_cl will be set later in mei_init() and none will be
used before they are set. So we can simply drop this call of
mei_deinit().
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Reported-by: David Howells <dhowells@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of remaining bytes of a failing copy_to_user, the flash-update
ioctl is returning now -EFAULT. In addtion Dan discovered user triggerable
dev_errs(). Those I removed now from card_dev.c too. Some dev_infos()
were deleted and some others turned into dev_dbgs().
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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interruptible_sleep_on_timeout is deprecated and going away soon.
The use in the sgi-xp driver leaves me puzzled, so I'd prefer not
to touch it. This patch replaces it with an open-coded prepare_to_wait
and finish_wait pair, which should be completely equivalent, so it
doesn't fix an existing race, but lets us get away with removing
the function so we can not get any new users.
In order to remove the typical sleep_on race, one would have to
replace the call with wait_event_interruptible_timeout and add
a condition to wait for. The fact that there is a one-jiffy timeout
suggests that we don't actually expect to get woken up properly
and the caller just uses this as a short sleeping function
if it doesn't wake up properly.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Cliff Whickman <cpw@sgi.com>
Acked-by: Robin Holt <robinmholt@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When we are doing compliance test with xHCI, we found that if we
enable CONFIG_USB_SUSPEND and plug in a bad device which causes
over-current condition to the root port, software will not be noticed.
The reason is that current code don't set hub->change_bits in
hub_activate() when over-current happens, and then hub_events() will
not check the port status because it thinks nothing changed.
If CONFIG_USB_SUSPEND is disabled, the interrupt pipe of the hub will
report the change and set hub->event_bits, and then hub_events() will
check what events happened.In this case over-current can be detected.
Signed-off-by: Shen Guang <shenguang10@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Current Intel SOC cores use a MailBox Interface (MBI) to provide access to
configuration registers on devices (called units) connected to the system
fabric. This is a support driver that implements access to this interface on
those platforms that can enumerate the device using PCI. Initial support is for
BayTrail, for which port definitons are provided. This is a requirement for
implementing platform specific features (e.g. RAPL driver requires this to
perform platform specific power management using the registers in PUNIT).
Dependant modules should select IOSF_MBI in their respective Kconfig
configuraiton. Serialized access is handled by all exported routines with
spinlocks.
The API includes 3 functions for access to unit registers:
int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr)
int iosf_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr)
int iosf_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask)
port: indicating the unit being accessed
opcode: the read or write port specific opcode
offset: the register offset within the port
mdr: the register data to be read, written, or modified
mask: bit locations in mdr to change
Returns nonzero on error
Note: GPU code handles access to the GFX unit. Therefore access to that unit
with this driver is disallowed to avoid conflicts.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: http://lkml.kernel.org/r/1389216471-734-1-git-send-email-david.e.box@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
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Helge Deller noted a few weeks ago problems with the AIO support on
parisc. This change is the result of numerous iterations on how best to
deal with this problem.
The solution adopted here is to provide full cache coherency in a
uniform manner on all parisc systems. This involves calling
flush_dcache_page() on kmap operations and flush_kernel_dcache_page() on
kunmap operations. As a result, the copy_user_page() and
clear_user_page() functions can be removed and the overall code is
simpler.
The change ensures that both userspace and kernel aliases to a mapped
page are invalidated and flushed. This is necessary for the correct
operation of PA8800 and PA8900 based systems which do not support
inequivalent aliases.
With this change, I have observed no cache related issues on c8000 and
rp3440. It is now possible for example to do kernel builds with "-j64"
on four way systems.
On systems using XFS file systems, the patch recently posted by Mikulas
Patocka to "fix crash using XFS on loopback" is needed to avoid a hang
caused by an uninitialized lock passed to flush_dcache_page() in the
page struct.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v3.9+
Signed-off-by: Helge Deller <deller@gmx.de>
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* hisi/soc:
ARM: dts: rename hi4511 dts file
ARM: hisi: remove init_time
ARM: hisi: rename hi3xxx to hisi
ARM: dts: enable clock binding on Hi3620
ARM: hi3xxx: add hotplug support
ARM: hi3xxx: add smp support
ARM: config: add defconfig for Hi3xxx
ARM: config: enable hi3xxx in multi_v7_defconfig
ARM: dts: enable hi4511 with device tree
ARM: hi3xxx: add board support with device tree
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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trace.h was included twice. Remove duplicate inclusion.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
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The THP code in KVM/ARM is a bit restrictive in not allowing a THP
to be used if the VMA is not 2MB aligned. Actually, it is not so much
the VMA that matters, but the associated memslot:
A process can perfectly mmap a region with no particular alignment
restriction, and then pass a 2MB aligned address to KVM. In this
case, KVM will only use this 2MB aligned region, and will ignore
the range between vma->vm_start and memslot->userspace_addr.
It can also choose to place this memslot at whatever alignment it
wants in the IPA space. In the end, what matters is the relative
alignment of the user space and IPA mappings with respect to a
2M page. They absolutely must be the same if you want to use THP.
Cc: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
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This reverts commit 30666249eae3b04875d514dea557d1ab1468c006, as it
depended on a previous patch that I rejected, causing a build error
here. Sorry about that.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Peter Chen <peter.chen@freescale.com>
Cc: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After free_loaded_vmcs executes, the "loaded_vmcs" structure
is kfreed, and now vmx->loaded_vmcs points to a kfreed area.
Subsequent free_loaded_vmcs then attempts to manipulate
vmx->loaded_vmcs.
Switch the order to avoid the problem.
https://bugzilla.redhat.com/show_bug.cgi?id=1047892
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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fix the 'vcpi' typos when apic_debug is enabled.
Signed-off-by: Chen Fan <chen.fan.fnst@cn.fujitsu.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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The function kvm_io_bus_read_cookie is defined but never used
in current in-tree code.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Running 'make namespacecheck' found lots of functions that
should be declared static, since only used in one file.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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According to Table C-1 of Intel SDM 3C, a VM exit happens on an I/O instruction when
"use I/O bitmaps" VM-execution control was 0 _and_ the "unconditional I/O exiting"
VM-execution control was 1. So we can't just check "unconditional I/O exiting" alone.
This patch was improved by suggestion from Jan Kiszka.
Reviewed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Zhihui Zhang <zzhsuny@gmail.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next
Sarah writes:
xhci: Urgent bug fixes for usb-next and 3.14.
Hi Greg,
Please queue these two patches to usb-next for 3.14.
An xHCI driver fix for USB ethernet devices that went into 3.13 and 3.12
stable is causing usb-storage to go into an infinite loop, and these two
patches fix the issue. I would like these to get into 3.14-rc1 so we
can avoid any potential data corruption for users.
Sarah Sharp
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third round of new drivers, features and cleanups for IIO in the 3.14 cycle.
One new driver a spot of new functionality and a cleanup.
* New driver for the Capella CM32181 ambient light sensor. This is the first
driver directly from Kevin at Capella with more already in the pipeline.
* Support for configurable predividers on the mxs lradc
* Convert a field to a bitmap in mxs lradc instead of using an array of
unsigned longs to store boolean values.
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
The following patchset contains three Netfilter updates, they are:
* Fix wrong usage of skb_header_pointer in the DCCP protocol helper that
has been there for quite some time. It was resulting in copying the dccp
header to a pointer allocated in the stack. Fortunately, this pointer
provides room for the dccp header is 4 bytes long, so no crashes have been
reported so far. From Daniel Borkmann.
* Use format string to print in the invocation of nf_log_packet(), again
in the DCCP helper. Also from Daniel Borkmann.
* Revert "netfilter: avoid get_random_bytes call" as prandom32 does not
guarantee enough entropy when being calling this at boot time, that may
happen when reloading the rule.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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CONFIG_SND_SOC_DMAENGINE_PCM was renamed to CONFIG_SND_DMAENGINE_PCM
recently. And yet we don't have to select it since
CONFIG_SND_GENERIC_DMAENGINE_PCM selects the dependency by itself, so
just rip it off.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Florian Meier <florian.meier@koalo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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If a broadcast packet is coming from a client marked as
isolated, then mark the skb using the isolation mark so
that netfilter (or any other application) can recognise
them.
The mark is written in the skb based on the mask value:
only bits set in the mask are substitued by those in the
mark value
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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The AP isolation status may be evaluated in different spots.
Create an helper function to avoid code duplication.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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Change the AP isolation mechanism to not only "isolate" WIFI
clients but also all those marked with the more generic
"isolation flag" (BATADV_TT_CLIENT_ISOLA).
The result is that when AP isolation is on any unicast
packet originated by an "isolated" client and directed to
another "isolated" client is dropped at the source node.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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Print the new BATADV_TT_CLIENT_ISOLA flag properly in the
Local and Global Translation Table output.
The character 'I' is used in the flags column to indicate
that the entry is marked as isolated.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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A client sending packets which mark matches the value
configured via sysfs has to be identified as isolated using
the TT_CLIENT_ISOLA flag.
The match is mask based, meaning that only bits set in the
mask are compared with those in the mark value.
If the configured mask is equal to 0 no operation is
performed.
Such flag is then advertised within the classic client
announcement mechanism.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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This attribute can be used to set and read the value and the
mask of the skb mark which will be used to classify the
source non-mesh client as ISOLATED. In this way a client can
be advertised as such and the mark can potentially be
restored at the receiving node before delivering the skb.
This can be helpful for creating network wide netfilter
policies.
This sysfs file expects a string of the shape "$mark/$mask".
Where $mark has to be a 32-bit number in any base, while
$mask must be a 32bit mask expressed in hex base. Only bits
in $mark covered by the bitmask are really stored.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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In different situations it is possible that the DHCP server
or client uses broadcast Ethernet frames to send messages
to each other. The GW component in batman-adv takes care of
using bat-unicast packets to bring broadcast DHCP
Discover/Requests to the "best" server.
On the way back the DHCP server usually sends unicasts,
but upon client request it may decide to use broadcasts as
well.
This patch improves the GW component so that it now snoops
and sends as unicast all the DHCP packets, no matter if they
were generated by a DHCP server or client.
Signed-off-by: Antonio Quartulli <antonio@open-mesh.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
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