fib_lookup() forces FIB_LOOKUP_NOREF flag, while fib_table_lookup()
does not.
This patch solves the typical message at reboot time or device
dismantle :
unregister_netdevice: waiting for eth0 to become free. Usage count = 4
Fixes: 3bfd847203 ("net: Use passed in table for nexthop lookups")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Ahern <dsa@cumulusnetworks.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case perf IRQ is the highest of the medium-level IRQs, and is alone
on its level, it may be treated as NMI:
- LOCKLEVEL is defined to be one level less than EXCM level,
- IRQ masking never lowers current IRQ level,
- new fake exception cause code, EXCCAUSE_MAPPED_NMI is assigned to that
IRQ; new second level exception handler, do_nmi, assigned to it
handles it as NMI,
- atomic operations in configurations without s32c1i still need to mask
all interrupts.
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
There's no way _switch_to can produce double exceptions now, don't
enter/leave EXC_TABLE_FIXUP critical section.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
call12 can't be safely used as the first call in the inline function,
because the compiler does not extend the stack frame of the bounding
function accordingly, which may result in corruption of local variables.
If a call needs to be done, do call8 first followed by call12.
For pure assembly code in _switch_to increase stack frame size of the
bounding function.
Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
entry.s only disables IRQs on hardware IRQ, move trace_hardirqs_off call
into do_interrupt. Check actual intlevel that will be restored on return
from exception handler to decide if trace_hardirqs_on should be called.
Annotate IRQ on/off points in the TIF_* handling loop on return from
exception handler.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Xtensa Performance Monitor Module has up to 8 32 bit wide performance
counters. Each counter may be enabled independently and can count any
single type of hardware performance events. Event counting may be enabled
and disabled globally (per PMM).
Each counter has status register with bits indicating if the counter has
been overflown and may be programmed to raise profiling IRQ on overflow.
This IRQ is used to rewind counters and allow for counting more than 2^32
samples for counting events and to report samples for sampling events.
For more details see Tensilica Debug User's Guide, chapter 8
"Performance monitor module".
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
1) includes all the drm/msm side of things for upstream kernel working
on dragonboard 410c (still some pending work on adv7533 bridge chip)
2) initial support for msm8x94 (snapdragon 810)
3) support for msm8x74v1 (in addition to existing v2 support)
4) support for dma planes on mdp5 (additional planes that cannot scale/csc)
5) more yuv format support for mdp5 (single plane vyuy/uyvy/yuyv/yvyu,
two plane nv16/nv61, and three plane yuv420/yvu420)
6) rotation support for mdp5
7) initial hdcp support
8) fixes, etc
* 'msm-next' of git://people.freedesktop.org/~robclark/linux: (46 commits)
drm/msm/dsi: Introduce DSI configuration module
drm/msm/dsi: Make each PHY type compilation independent
drm/msm/dsi: Split PHY drivers to separate files
drm/msm/dsi: Return void from msm_dsi_phy_disable()
drm/msm/dsi: Specify bitmask to set source PLL
drm/msm/mdp: Clear pending interrupt status before enable interrupt
drm/msm/mdp5: Add rotation (hflip/vflip) support to MDP5 planes (v2)
drm/msm: add calls to prepare and unprepare panel
drm/msm/dsi: Modify dsi manager bridge ops to work with external bridges
drm/msm/dsi: Allow dsi to connect to an external bridge
drm/msm/dsi: Create a helper to check if there is a connected device
drm/msm/dsi: Refer to connected device as 'device' instead of 'panel'
drm/msm/dsi: Make TE gpio optional
drm/msm: mdp4 lvds: get panel node via of graph parsing
drm/msm: dsi host: Use device graph parsing to parse connected panel
drm/msm: dsi host: add missing of_node_put()
drm/msm: Enable clocks during enable/disable_vblank() callbacks
drm/msm/mdp5: Add support for msm8x74v1
drm/msm/mdp5: Add DMA pipe planes for MDP5
drm/msm/mdp: Add capabilities to MDP planes (v2)
...
Old oprofile interface will share user stack tracing with new perf
interface. Move oprofile user/kernel stack tracing to stacktrace.c to
make it possible.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Restore original a0 in the kernel exception stack frame. This way it
looks like the frame that got interrupt/exception did alloca (copy a0 and
a1 spilled under old stack to the new location as well) to save registers
and then did a call to handler.
The point where interrupt/exception was taken is not in the stack chain,
only in pt_regs (call4 from that address can be simulated to keep it in
the stack trace).
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Bunch more fixes for 4.3, most of it skl fallout. It's not quite all yet,
there's still a few more patches pending to enable DDI-E correctly on skl.
Also included the dpms atomic work from Maarten since atomic is just a
pain and not including would cause piles of conflicts right from the
start.
* tag 'drm-intel-next-fixes-2015-08-16' of git://anongit.freedesktop.org/drm-intel: (67 commits)
drm/i915: Per-DDI I_boost override
drm/i915/skl: WaIgnoreDDIAStrap is forever, always init DDI A
drm/i915: fix checksum write for automated test reply
drm/i915: Contain the WA_REG macro
drm/i915: Remove the failed context from the fpriv->context_idr
drm/i915: Report IOMMU enabled status for GPU hangs
drm/i915: Check idle to active before processing CSQ
drm/i915: Set alternate aux for DDI-E
drm/i915: Set power domain for DDI-E
drm/i915: fix stolen bios_reserved checks
drm/i915: Use masked write for Context Status Buffer Pointer
drm/i915/skl WaDisableSbeCacheDispatchPortSharing
drm/i915: Spam less on dp aux send/receive problems
drm/i915: Handle return value in intel_pin_and_fence_fb_obj, v2.
drm/i915: Only update mode related state if a modeset happened.
drm/i915: Remove connectors_active.
drm/i915: Remove connectors_active from intel_dp.c, v2.
drm/i915: Remove connectors_active from sanitization, v2.
drm/i915: Get rid of dpms handling.
drm/i915: Make crtc checking use the atomic state, v2.
...
Functions, Structs and Parameters definitions on kernel documentation
are pure cosmetic, it only highlights the element.
To ease the navigation in the documentation we should use <links> inside
those tags so readers can easily jump between methods directly.
This was discussed in 2014[1] and is implemented by getting a list
of <refentries> from the DocBook XML to generate a database. Then it looks
for <function>,<structnames> and <paramdef> tags that matches the ones in
the database. As it only links existent references, no broken links are
added.
[1] - lists.freedesktop.org/archives/dri-devel/2014-August/065404.html
Signed-off-by: Danilo Cesar Lemes de Paula <danilo.cesar@collabora.co.uk>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Stephan Mueller <smueller@chronox.de>
Cc: Michal Marek <mmarek@suse.cz>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This patch plugs the leak of irq_bitmap, allocated as part of
initialization of cxl_context struct; during the call to
afu_allocate_irqs. The bitmap is now release during the call to function
afu_release_irqs.
Reported-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
CONFIG_CXL_EEH is for CXL's EEH related code.
Other drivers can depend on or #ifdef on this symbol to configure
PERST behaviour, allowing CXL to participate in the EEH process.
Reviewed-by: Cyril Bur <cyrilbur@gmail.com>
Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
NFC_ATTR_VENDOR_DATA is an optional vendor_cmd argument.
The current code was potentially using a non existing argument
leading to potential catastrophic results.
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
spi phy needs to use ndlc_recv at every spi transaction causing
"unknown packet control byte" error message each time the header
is 00. Make this silent.
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
A smallish batch of fixes, a little more than expected this late, but
all fixes are contained to their platforms and seem reasonably low risk:
- A somewhat large SMP fix for ux500 that still seemed warranted to include here
- OMAP DT fixes for pbias regulator specification that broke due to some DT
reshuffling
- PCIe IRQ routing bugfix for i.MX
- Networking fixes for keystone
- Runtime PM for OMAP GPMC
- A couple of error path bug fixes for exynos
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Merge tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A smallish batch of fixes, a little more than expected this late, but
all fixes are contained to their platforms and seem reasonably low
risk:
- a somewhat large SMP fix for ux500 that still seemed warranted to
include here
- OMAP DT fixes for pbias regulator specification that broke due to
some DT reshuffling
- PCIe IRQ routing bugfix for i.MX
- networking fixes for keystone
- runtime PM for OMAP GPMC
- a couple of error path bug fixes for exynos"
* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
ARM: dts: keystone: fix the clock node for mdio
memory: omap-gpmc: Don't try to save uninitialized GPMC context
ARM: imx6: correct i.MX6 PCIe interrupt routing
ARM: ux500: add an SMP enablement type and move cpu nodes
ARM: dts: dra7: Fix broken pbias device creation
ARM: dts: OMAP5: Fix broken pbias device creation
ARM: dts: OMAP4: Fix broken pbias device creation
ARM: dts: omap243x: Fix broken pbias device creation
ARM: EXYNOS: fix double of_node_put() on error path
ARM: EXYNOS: Fix potentian kfree() of ro memory
Pull MIPS bugfix from Ralf Baechle:
"Only a single MIPS fix - the math when invoking syscall_trace_enter
was wrong"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: Fix seccomp syscall argument for MIPS64
st21nfcb does support another phy than i2c: spi.
st21nfcc does not support spi as the spi ios are used
by the AMS RF booster.
st21nfcb is not following NCI NFC Forum recommendations for spi
but rely on ST prioritary protocol ndlc as for i2c.
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
PCB_SYNC different than PCB_TYPE_SUPERVISOR or PCB_TYPE_DATAFRAME
should be discarded.
Irrelevant data may be forwarded up to the ndlc state machine by
phys like spi to prevent missing potential data during "write"
transactions.
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
When receiving a NDLC PCB_SYNC_ACK the pending data was never
removed from ack_pending_q and cleared.
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
st_nci_hci_load_session() calls kfree_skb() on unitialized
variables skb_pipe_info and skb_pipe_list if the call to
nci_hci_connect_gate() failed. Reword the error path to not use
these variables when they are not initialized. While at it, there
seemed to be a memory leak because skb_pipe_info was only freed
once, after the for-loop, even though several ones were created
by nci_hci_send_cmd.
Cc: stable@vger.kernel.org
Acked-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
st21nfca_hci_load_session() calls kfree_skb() on unitialized
variables skb_pipe_info and skb_pipe_list if the call to
nfc_hci_connect_gate() failed. Reword the error path to not use
these variables when they are not initialized. While at it, there
seemed to be a memory leak because skb_pipe_info was only freed
once, after the for-loop, even though several ones were created
by nfc_hci_send_cmd.
Fixes: ec03ff1a8f
("NFC: st21nfca: Remove skb_pipe_list and skb_pipe_info
useless allocation")
Cc: stable@vger.kernel.org
Acked-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Due to a copy and paste error st_nci_i2c_read still contains
st21nfca header comment.
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Replace ST21NFCB with ST_NCI or st21nfcb with st_nci as it
was forgotten in commit "nfc: st-nci: Rename st21nfcb to st-nci"
ed06aeefda
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Merge x86 fixes from Ingo Molnar:
"Two followup fixes related to the previous LDT fix"
Also applied a further FPU emulation fix from Andy Lutomirski to the
branch before actually merging it.
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
x86/ldt: Further fix FPU emulation
x86/ldt: Correct FPU emulation access to LDT
x86/ldt: Correct LDT access in single stepping logic
fuse_dev_ioctl() performed fuse_get_dev() on a user-supplied fd,
leading to a type confusion issue. Fix it by checking file->f_op.
Signed-off-by: Jann Horn <jann@thejh.net>
Acked-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
These are necessary to get the NIC card working on all Keystone
EVMs. Couple of boards are nroken without these two fixes.
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Merge tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into fixes
ARM: Couple of Keysyone MDIO DTS fixes for 4.2-rc6+
These are necessary to get the NIC card working on all Keystone
EVMs. Couple of boards are broken without these two fixes.
* tag 'keystone-dts-late-fixes-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
ARM: dts: keystone: Fix the mdio bindings by moving it to soc specific file
ARM: dts: keystone: fix the clock node for mdio
Signed-off-by: Olof Johansson <olof@lixom.net>
Shut up this compiler warning that I get during the daily build:
horus3a.c: In function 'horus3a_set_params':
horus3a.c:308:24: warning: 'rolloff' may be used uninitialized in this function [-Wmaybe-uninitialized]
symbol_rate * (100 + rolloff), 200000) + 5;
^
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Wall time obtained from do_gettimeofday is susceptible to sudden jumps due to
user setting the time or due to NTP.
Monotonic time is constantly increasing time better suited for comparing two
timestamps.
Signed-off-by: Abhilash Jindal <klock.android@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Wall time obtained from do_gettimeofday is susceptible to sudden jumps due to
user setting the time or due to NTP.
Monotonic time is constantly increasing time better suited for comparing two
timestamps.
Signed-off-by: Abhilash Jindal <klock.android@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Header claims GPL v2, so make the MODULE_LICENSE reflect that properly.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
In videobuf_setup reject buffers that are too small for the configured
format. Fixes v4l2-compliance issue.
Signed-off-by: Rob Taylor <rob.taylor@codethink.co.uk>
Reviewed-by: William Towle <william.towle@codethink.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Adapt rcar_vin_querycap() so that cap->bus_info is populated with
something meaningful/unique.
Signed-off-by: Rob Taylor <rob.taylor@codethink.co.uk>
Signed-off-by: William Towle <william.towle@codethink.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This adds V4L2_MBUS_FMT_RGB888_1X24 input format support
which is used by the ADV7612 chip.
Modified to use MEDIA_BUS_FMT_* constants
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Signed-off-by: William Towle <william.towle@codethink.co.uk>
Reviewed-by: Rob Taylor <rob.taylor@codethink.co.uk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commits moves the Intersil/Techwell PCI vendor ID, and
the device IDs for the TW68 PCI video capture cards.
This will allow to support future Intersil/Techwell devices
without duplicating the IDs.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
On the place of the source entity name, the sink entity name was printed.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Platforms using the OMAP3 ISP have all switched to DT, drop platform
data support.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Convert g2d_userptr_get_dma_addr() to pin pages using get_vaddr_frames().
This removes the knowledge about vmas and mmap_sem locking from exynos
driver. Also it fixes a problem that the function has been mapping user
provided address without holding mmap_sem.
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
