This patch adds support for waking up the device on
finding better RSSI. Threshold RSSI value will be
configured by application.
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds code to report wakeup reason to cfg80211
when system is resumed.
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds support for wakeup when configured
network is detected.
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch adds informative messages in wake up on
magic packet, disconnect, pattern configuration paths.
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch add sched scan support for mwifiex, include cfg80211
sched_scan_start/sched_scan_stop handler, corresponding bgscan
command path and event handler.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
It's been observed that driver's power state goes out
of sync with firmware in some corner cases. When this
happens, driver tries to download the data to firmware
assuming it's awake which causes Tx data timeout.
Main thread will process interrupt as soon as interrupt
handler fills 'int_status' variable.
This patch fixes the race issue by updating 'int_status'
at the end of mwifiex_interrupt_status().
Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Newer pcie chipsets (8997 onwards) support MSIx. This
patch enables it.
Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
wlcore_read/wlcore_write can return negative values so it should
be assigned to signed variable.
The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].
[1]: http://permalink.gmane.org/gmane.linux.kernel/2120705
Fixes: 3719c17e18 ("wlcore/wl18xx: fw logger over sdio")
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This patch add 'verext' debugfs item, which can be used to
get detailed chip specific information from our firmware.
Examples:
echo "1" > /sys/kernel/debug/mwifiex/mlan0/verext
cat /sys/kernel/debug/mwifiex/mlan0/verext
Signed-off-by: Shengzhen Li <szli@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The port_open flag is not applicable for IBSS mode. IBSS data
path was broken when port_open flag was introduced.
This patch fixes the problem by correcting the checks.
Fixes: 5c8946330a ("mwifiex: enable traffic only when port is open")
Signed-off-by: chunfan chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Same chip is being used by WLAN as well as bluetooth
drivers. Each driver needs to check during initialisation
if firmware is already active or it needs to be freshly
downloaded. If one driver has started downloading the
firmware, other finds the winner flag as false.
mwifiex_check_fw_status() checks firmware status and also
check if WLAN is the winner for firmware downloading.
Once we detect that other interface is downloading
the firmware, we call this routine again with max
poll count to wait until firmware is ready.
This patch splits the routine to avoid checking
winner status unnecessarily multiple times and ensures
that correct messages are displayed to user.
Firmware status poll count is also increased to 150.
Signed-off-by: Chunfan Chen <jeffc@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Add DT support for the wl1271 SPI WiFi.
Add documentation file for the wl1271 SPI WiFi.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Acked-by: Rob Herring <robh@kernel.org>
Tested-By: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The power function uses a consumer regulator access to update the WiFi
enable GPIO value.
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Tested-By: Sebastian Reichel <sre@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Pull networking fixes from David Miller:
"A quick set of bug fixes after there initial networking merge:
1) Netlink multicast group storage allocator only was tested with
nr_groups equal to 1, make it work for other values too. From
Matti Vaittinen.
2) Check build_skb() return value in macb and hip04_eth drivers, from
Weidong Wang.
3) Don't leak x25_asy on x25_asy_open() failure.
4) More DMA map/unmap fixes in 3c59x from Neil Horman.
5) Don't clobber IP skb control block during GSO segmentation, from
Konstantin Khlebnikov.
6) ECN helpers for ipv6 don't fixup the checksum, from Eric Dumazet.
7) Fix SKB segment utilization estimation in xen-netback, from David
Vrabel.
8) Fix lockdep splat in bridge addrlist handling, from Nikolay
Aleksandrov"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
bgmac: Fix reversed test of build_skb() return value.
bridge: fix lockdep addr_list_lock false positive splat
net: smsc: Add support h8300
xen-netback: free queues after freeing the net device
xen-netback: delete NAPI instance when queue fails to initialize
xen-netback: use skb to determine number of required guest Rx requests
net: sctp: Move sequence start handling into sctp_transport_get_idx()
ipv6: update skb->csum when CE mark is propagated
net: phy: turn carrier off on phy attach
net: macb: clear interrupts when disabling them
sctp: support to lookup with ep+paddr in transport rhashtable
net: hns: fixes no syscon error when init mdio
dts: hisi: fixes no syscon fault when init mdio
net: preserve IP control block during GSO segmentation
fsl/fman: Delete one function call "put_device" in dtsec_config()
hip04_eth: fix missing error handle for build_skb failed
3c59x: fix another page map/single unmap imbalance
3c59x: balance page maps and unmaps
x25_asy: Free x25_asy on x25_asy_open() failure.
mlxsw: fix SWITCHDEV_OBJ_ID_PORT_MDB
...
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica Gupta,
Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling, Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
- cxl: Fix possible idr warning when contexts are released from Vaibhav Jain
- cxl: use correct operator when writing pcie config space values from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma Krishnan
- Freescale updates from Scott: Highlights include moving QE code out of
arch/powerpc (to be shared with arm), device tree updates, and minor fixes.
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Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Core:
- Ground work for the new Power9 MMU from Aneesh Kumar K.V
- Optimise FP/VMX/VSX context switching from Anton Blanchard
Misc:
- Various cleanups from Krzysztof Kozlowski, John Ogness, Rashmica
Gupta, Russell Currey, Gavin Shan, Daniel Axtens, Michael Neuling,
Andrew Donnellan
- Allow wrapper to work on non-english system from Laurent Vivier
- Add rN aliases to the pt_regs_offset table from Rashmica Gupta
- Fix module autoload for rackmeter & axonram drivers from Luis de
Bethencourt
- Include KVM guest test in all interrupt vectors from Paul Mackerras
- Fix DSCR inheritance over fork() from Anton Blanchard
- Make value-returning atomics & {cmp}xchg* & their atomic_ versions
fully ordered from Boqun Feng
- Print MSR TM bits in oops messages from Michael Neuling
- Add TM signal return & invalid stack selftests from Michael Neuling
- Limit EPOW reset event warnings from Vipin K Parashar
- Remove the Cell QPACE code from Rashmica Gupta
- Append linux_banner to exception information in xmon from Rashmica
Gupta
- Add selftest to check if VSRs are corrupted from Rashmica Gupta
- Remove broken GregorianDay() from Daniel Axtens
- Import Anton's context_switch2 benchmark into selftests from
Michael Ellerman
- Add selftest script to test HMI functionality from Daniel Axtens
- Remove obsolete OPAL v2 support from Stewart Smith
- Make enter_rtas() private from Michael Ellerman
- PPR exception cleanups from Michael Ellerman
- Add page soft dirty tracking from Laurent Dufour
- Add support for Nvlink NPUs from Alistair Popple
- Add support for kexec on 476fpe from Alistair Popple
- Enable kernel CPU dlpar from sysfs from Nathan Fontenot
- Copy only required pieces of the mm_context_t to the paca from
Michael Neuling
- Add a kmsg_dumper that flushes OPAL console output on panic from
Russell Currey
- Implement save_stack_trace_regs() to enable kprobe stack tracing
from Steven Rostedt
- Add HWCAP bits for Power9 from Michael Ellerman
- Fix _PAGE_PTE breaking swapoff from Aneesh Kumar K.V
- Fix _PAGE_SWP_SOFT_DIRTY breaking swapoff from Hugh Dickins
- scripts/recordmcount.pl: support data in text section on powerpc
from Ulrich Weigand
- Handle R_PPC64_ENTRY relocations in modules from Ulrich Weigand
cxl:
- cxl: Fix possible idr warning when contexts are released from
Vaibhav Jain
- cxl: use correct operator when writing pcie config space values
from Andrew Donnellan
- cxl: Fix DSI misses when the context owning task exits from Vaibhav
Jain
- cxl: fix build for GCC 4.6.x from Brian Norris
- cxl: use -Werror only with CONFIG_PPC_WERROR from Brian Norris
- cxl: Enable PCI device ID for future IBM CXL adapter from Uma
Krishnan
Freescale:
- Freescale updates from Scott: Highlights include moving QE code out
of arch/powerpc (to be shared with arm), device tree updates, and
minor fixes"
* tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (149 commits)
powerpc/module: Handle R_PPC64_ENTRY relocations
scripts/recordmcount.pl: support data in text section on powerpc
powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages
powerpc/mm: fix _PAGE_SWP_SOFT_DIRTY breaking swapoff
powerpc/mm: Fix _PAGE_PTE breaking swapoff
cxl: Enable PCI device ID for future IBM CXL adapter
cxl: use -Werror only with CONFIG_PPC_WERROR
cxl: fix build for GCC 4.6.x
powerpc: Add HWCAP bits for Power9
powerpc/powernv: Reserve PE#0 on NPU
powerpc/powernv: Change NPU PE# assignment
powerpc/powernv: Fix update of NVLink DMA mask
powerpc/powernv: Remove misleading comment in pci.c
powerpc: Implement save_stack_trace_regs() to enable kprobe stack tracing
powerpc: Fix build break due to paca mm_context_t changes
cxl: Fix DSI misses when the context owning task exits
MAINTAINERS: Update Scott Wood's e-mail address
powerpc/powernv: Fix minor off-by-one error in opal_mce_check_early_recovery()
powerpc: Fix style of self-test config prompts
powerpc/powernv: Only delay opal_rtc_read() retry when necessary
...
- Fixes in AMD xgbe reset, spapr structure padding, type 1 flags
(Dan Carpenter, Alexey Kardashevskiy, Pierre Morel)
- Re-introduce no-iommu mode, with a user this time (Alex Williamson)
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Merge tag 'vfio-v4.5-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Fixes in AMD xgbe reset, spapr structure padding, type 1 flags (Dan
Carpenter, Alexey Kardashevskiy, Pierre Morel)
- Re-introduce no-iommu mode, with a user this time (Alex Williamson)
* tag 'vfio-v4.5-rc1' of git://github.com/awilliam/linux-vfio:
vfio/iommu_type1: make use of info.flags
vfio: Include No-IOMMU mode
vfio: Add explicit alignments in vfio_iommu_spapr_tce_create
VFIO: platform: reset: fix a warning message condition
kerberized NFSv4.1 mounts, and Scott Mayhew's work addressing ACK storms
that can affect some high-availability NFS setups.
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Merge tag 'nfsd-4.5' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
"Smaller bugfixes and cleanup, including a fix for a failures of
kerberized NFSv4.1 mounts, and Scott Mayhew's work addressing ACK
storms that can affect some high-availability NFS setups"
* tag 'nfsd-4.5' of git://linux-nfs.org/~bfields/linux:
nfsd: add new io class tracepoint
nfsd: give up on CB_LAYOUTRECALLs after two lease periods
nfsd: Fix nfsd leaks sunrpc module references
lockd: constify nlmsvc_binding structure
lockd: use to_delayed_work
nfsd: use to_delayed_work
Revert "svcrdma: Do not send XDR roundup bytes for a write chunk"
lockd: Register callbacks on the inetaddr_chain and inet6addr_chain
nfsd: Register callbacks on the inetaddr_chain and inet6addr_chain
sunrpc: Add a function to close temporary transports immediately
nfsd: don't base cl_cb_status on stale information
nfsd4: fix gss-proxy 4.1 mounts for some AD principals
nfsd: fix unlikely NULL deref in mach_creds_match
nfsd: minor consolidation of mach_cred handling code
nfsd: helper for dup of possibly NULL string
svcrpc: move some initialization to common code
nfsd: fix a warning message
nfsd: constify nfsd4_callback_ops structure
nfsd: recover: constify nfsd4_client_tracking_ops structures
svcrdma: Do not send XDR roundup bytes for a write chunk
Pull vfs regression fix from Al Viro:
"Fix for braino introduced in vfs.git#work.misc"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
amdkfd: Copy from the proper user command pointer
Mostly clustered-raid1 and raid5 journal updates.
one Y2038 fix and other minor stuff.
One patch removes me from the MAINTAINERS file and adds a record of
my md maintainership to Credits.
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Merge tag 'md/4.5' of git://neil.brown.name/md
Pull md updates from Neil Brown:
"Mostly clustered-raid1 and raid5 journal updates. one Y2038 fix and
other minor stuff.
One patch removes me from the MAINTAINERS file and adds a record of my
md maintainership to Credits"
Many thanks to Neil, who has been around for a _looong_ time.
* tag 'md/4.5' of git://neil.brown.name/md: (26 commits)
md/raid: only permit hot-add of compatible integrity profiles
Remove myself as MD Maintainer, and add to Credits.
raid5-cache: handle journal hotadd in quiesce
MD: add journal with array suspended
md: set MD_HAS_JOURNAL in correct places
md: Remove 'ready' field from mddev.
md: remove unnecesary md_new_event_inintr
raid5: allow r5l_io_unit allocations to fail
raid5-cache: use a mempool for the metadata block
raid5-cache: use a bio_set
raid5-cache: add journal hot add/remove support
drivers: md: use ktime_get_real_seconds()
md: avoid warning for 32-bit sector_t
raid5-cache: free meta_page earlier
raid5-cache: simplify r5l_move_io_unit_list
md: update comment for md_allow_write
md-cluster: update comments for MD_CLUSTER_SEND_LOCKED_ALREADY
md-cluster: Protect communication with mutexes
md-cluster: Defer MD reloading to mddev->thread
md-cluster: update the documentation
...
Aside from a fix for a spurious warning (which caused more problems than
it fixed in the fixing really) this is all driver updates, including new
drivers for Dialog PV88060/90 and TI LM363x and TPS65086 devices. The
qcom_smd driver has had PM8916 and PMA8084 support added.
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Merge tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"Aside from a fix for a spurious warning (which caused more problems
than it fixed in the fixing really) this is all driver updates,
including new drivers for Dialog PV88060/90 and TI LM363x and TPS65086
devices. The qcom_smd driver has had PM8916 and PMA8084 support
added"
* tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (36 commits)
regulator: core: remove some dead code
regulator: core: use dev_to_rdev
regulator: lp872x: Get rid of duplicate reference to DVS GPIO
regulator: lp872x: Add missing of_match in regulators descriptions
regulator: axp20x: Fix GPIO LDO enable value for AXP22x
regulator: lp8788: constify regulator_ops structures
regulator: wm8*: constify regulator_ops structures
regulator: da9*: constify regulator_ops structures
regulator: mt6311: Use REGCACHE_RBTREE
regulator: tps65917/palmas: Add bypass ops for LDOs with bypass capability
regulator: qcom-smd: Add support for PMA8084
regulator: qcom-smd: Add PM8916 support
soc: qcom: documentation: Update SMD/RPM Docs
regulator: pv88090: logical vs bitwise AND typo
regulator: pv88090: Fix irq leak
regulator: pv88090: new regulator driver
regulator: wm831x-ldo: Use platform_register/unregister_drivers()
regulator: wm831x-dcdc: Use platform_register/unregister_drivers()
regulator: lp8788-ldo: Use platform_register/unregister_drivers()
regulator: core: Fix nested locking of supplies
...
8f1d57c172 ("amdkfd: don't open-code memdup_user()") mistakenly uses
an uninitialized local pointer, gcc complains:
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c: In function ‘kfd_ioctl_dbg_address_watch’:
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c:562:12: warning: ‘args_buff’ may be used uninitialized in this function [-Wmaybe-uninitialized]
args_buff = memdup_user(args_buff,
^
Fix it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull mailbox fixlet from Jussi Brar.
* 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: constify mbox_chan_ops structure
David Vrabel says:
====================
xen-netback: use skb to determine number of required (etc.)
"xen-netback: use skb to determine number of required" plus two other
minor fixes I found down the back of the sofa.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
If a queue still has a NAPI instance added to the net device, freeing
the queues early results in a use-after-free.
The shouldn't ever happen because we disconnect and tear down all queues
before freeing the net device, but doing this makes it obviously safe.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When xenvif_connect() fails it may leave a stale NAPI instance added to
the device. Make sure we delete it in the error path.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using the MTU or GSO size to determine the number of required guest Rx
requests for an skb was subtly broken since these value may change at
runtime.
After 1650d5455b (xen-netback: always
fully coalesce guest Rx packets) we always fully pack a packet into
its guest Rx slots. Calculating the number of required slots from the
packet length is then easy.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sctp/proc.c: In function ‘sctp_transport_get_idx’:
net/sctp/proc.c:313: warning: ‘obj’ may be used uninitialized in this function
This is currently a false positive, as all callers check for a zero
offset first, and handle this case in the exact same way.
Move the check and handling into sctp_transport_get_idx() to kill the
compiler warning, and avoid future bugs.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a tunnel decapsulates the outer header, it has to comply
with RFC 6080 and eventually propagate CE mark into inner header.
It turns out IP6_ECN_set_ce() does not correctly update skb->csum
for CHECKSUM_COMPLETE packets, triggering infamous "hw csum failure"
messages and stack traces.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull UDF fixes and quota cleanups from Jan Kara:
"Several UDF fixes and some minor quota cleanups"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Check output buffer length when converting name to CS0
udf: Prevent buffer overrun with multi-byte characters
quota: constify qtree_fmt_operations structures
udf: avoid uninitialized variable use
udf: Fix lost indirect extent block
udf: Factor out code for creating indirect extent
udf: limit the maximum number of indirect extents in a row
udf: limit the maximum number of TD redirections
fs: make quota/dquot.c explicitly non-modular
fs: make quota/netlink.c explicitly non-modular
The operstate of a networking device initially IF_OPER_UNKNOWN aka
"unknown", updated on carrier state changes (with carrier state being on
by default). This means it will stay unknown unless the carrier state
goes to off at some point, which is not the case if the phy is already
up/connected at startup.
Explicitly turn off the carrier on phy attach, leaving the phy state
machine to turn the carrier on when it has done the initial negotiation.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Disabling interrupts with the IDR register does not stop the macb hardware
from asserting its interrupt line if there are interrupts pending. Always
clear the interrupts using ISR, and be sure to write it on hardware that
is not read-to-clear, like Zynq. Not doing so will cause interrupts when
the driver doesn't expect them.
Signed-off-by: Nathan Sullivan <nathan.sullivan@ni.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge first patch-bomb from Andrew Morton:
- A few hotfixes which missed 4.4 becasue I was asleep. cc'ed to
-stable
- A few misc fixes
- OCFS2 updates
- Part of MM. Including pretty large changes to page-flags handling
and to thp management which have been buffered up for 2-3 cycles now.
I have a lot of MM material this time.
[ It turns out the THP part wasn't quite ready, so that got dropped from
this series - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (117 commits)
zsmalloc: reorganize struct size_class to pack 4 bytes hole
mm/zbud.c: use list_last_entry() instead of list_tail_entry()
zram/zcomp: do not zero out zcomp private pages
zram: pass gfp from zcomp frontend to backend
zram: try vmalloc() after kmalloc()
zram/zcomp: use GFP_NOIO to allocate streams
mm: add tracepoint for scanning pages
drivers/base/memory.c: fix kernel warning during memory hotplug on ppc64
mm/page_isolation: use macro to judge the alignment
mm: fix noisy sparse warning in LIBCFS_ALLOC_PRE()
mm: rework virtual memory accounting
include/linux/memblock.h: fix ordering of 'flags' argument in comments
mm: move lru_to_page to mm_inline.h
Documentation/filesystems: describe the shared memory usage/accounting
memory-hotplug: don't BUG() in register_memory_resource()
hugetlb: make mm and fs code explicitly non-modular
mm/swapfile.c: use list_for_each_entry_safe in free_swap_count_continuations
mm: /proc/pid/clear_refs: no need to clear VM_SOFTDIRTY in clear_soft_dirty_pmd()
mm: make sure isolate_lru_page() is never called for tail page
vmstat: make vmstat_updater deferrable again and shut down on idle
...
Now, when we sendmsg, we translate the ep to laddr by selecting the
first element of the list, and then do a lookup for a transport.
But sctp_hash_cmp() will compare it against asoc addr_list, which may
be a subset of ep addr_list, meaning that this chosen laddr may not be
there, and thus making it impossible to find the transport.
So we fix it by using ep + paddr to lookup transports in hashtable. In
sctp_hash_cmp, if .ep is set, we will check if this ep == asoc->ep,
or we will do the laddr check.
Fixes: d6c0256a60 ("sctp: add the rhashtable apis for sctp global transport hashtable")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reported-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Reoder the pages_per_zspage field in struct size_class which can
eliminate the 4 bytes hole between it and stats field.
Signed-off-by: Weijie Yang <weijie.yang@samsung.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
list_last_entry*( has been defined in list.h, so replace
list_tail_entry() with it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Cc: Seth Jennings <sjennings@variantweb.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Do not __GFP_ZERO allocated zcomp ->private pages. We keep allocated
streams around and use them for read/write requests, so we supply a
zeroed out ->private to compression algorithm as a scratch buffer only
once -- the first time we use that stream. For the rest of IO requests
served by this stream ->private usually contains some temporarily data
from the previous requests.
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Each zcomp backend uses own gfp flag but it's pointless because the
context they could be called is driven by upper layer(ie, zcomp
frontend). As well, zcomp frondend could call them in different
context. One context(ie, zram init part) is it should be better to make
sure successful allocation other context(ie, further stream allocation
part for accelarating I/O speed) is just optional so let's pass gfp down
from driver (ie, zcomp frontend) like normal MM convention.
[sergey.senozhatsky@gmail.com: add missing __vmalloc zero and highmem gfps]
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When we're using LZ4 multi compression streams for zram swap, we found
out page allocation failure message in system running test. That was
not only once, but a few(2 - 5 times per test). Also, some failure
cases were continually occurring to try allocation order 3.
In order to make parallel compression private data, we should call
kzalloc() with order 2/3 in runtime(lzo/lz4). But if there is no order
2/3 size memory to allocate in that time, page allocation fails. This
patch makes to use vmalloc() as fallback of kmalloc(), this prevents
page alloc failure warning.
After using this, we never found warning message in running test, also
It could reduce process startup latency about 60-120ms in each case.
For reference a call trace :
Binder_1: page allocation failure: order:3, mode:0x10c0d0
CPU: 0 PID: 424 Comm: Binder_1 Tainted: GW 3.10.49-perf-g991d02b-dirty #20
Call trace:
dump_backtrace+0x0/0x270
show_stack+0x10/0x1c
dump_stack+0x1c/0x28
warn_alloc_failed+0xfc/0x11c
__alloc_pages_nodemask+0x724/0x7f0
__get_free_pages+0x14/0x5c
kmalloc_order_trace+0x38/0xd8
zcomp_lz4_create+0x2c/0x38
zcomp_strm_alloc+0x34/0x78
zcomp_strm_multi_find+0x124/0x1ec
zcomp_strm_find+0xc/0x18
zram_bvec_rw+0x2fc/0x780
zram_make_request+0x25c/0x2d4
generic_make_request+0x80/0xbc
submit_bio+0xa4/0x15c
__swap_writepage+0x218/0x230
swap_writepage+0x3c/0x4c
shrink_page_list+0x51c/0x8d0
shrink_inactive_list+0x3f8/0x60c
shrink_lruvec+0x33c/0x4cc
shrink_zone+0x3c/0x100
try_to_free_pages+0x2b8/0x54c
__alloc_pages_nodemask+0x514/0x7f0
__get_free_pages+0x14/0x5c
proc_info_read+0x50/0xe4
vfs_read+0xa0/0x12c
SyS_read+0x44/0x74
DMA: 3397*4kB (MC) 26*8kB (RC) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB
0*512kB 0*1024kB 0*2048kB 0*4096kB = 13796kB
[minchan@kernel.org: change vmalloc gfp and adding comment about gfp]
[sergey.senozhatsky@gmail.com: tweak comments and styles]
Signed-off-by: Kyeongdon Kim <kyeongdon.kim@lge.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Acked-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We can end up allocating a new compression stream with GFP_KERNEL from
within the IO path, which may result is nested (recursive) IO
operations. That can introduce problems if the IO path in question is a
reclaimer, holding some locks that will deadlock nested IOs.
Allocate streams and working memory using GFP_NOIO flag, forbidding
recursive IO and FS operations.
An example:
inconsistent {IN-RECLAIM_FS-W} -> {RECLAIM_FS-ON-W} usage.
git/20158 [HC0[0]:SC0[0]:HE1:SE1] takes:
(jbd2_handle){+.+.?.}, at: start_this_handle+0x4ca/0x555
{IN-RECLAIM_FS-W} state was registered at:
__lock_acquire+0x8da/0x117b
lock_acquire+0x10c/0x1a7
start_this_handle+0x52d/0x555
jbd2__journal_start+0xb4/0x237
__ext4_journal_start_sb+0x108/0x17e
ext4_dirty_inode+0x32/0x61
__mark_inode_dirty+0x16b/0x60c
iput+0x11e/0x274
__dentry_kill+0x148/0x1b8
shrink_dentry_list+0x274/0x44a
prune_dcache_sb+0x4a/0x55
super_cache_scan+0xfc/0x176
shrink_slab.part.14.constprop.25+0x2a2/0x4d3
shrink_zone+0x74/0x140
kswapd+0x6b7/0x930
kthread+0x107/0x10f
ret_from_fork+0x3f/0x70
irq event stamp: 138297
hardirqs last enabled at (138297): debug_check_no_locks_freed+0x113/0x12f
hardirqs last disabled at (138296): debug_check_no_locks_freed+0x33/0x12f
softirqs last enabled at (137818): __do_softirq+0x2d3/0x3e9
softirqs last disabled at (137813): irq_exit+0x41/0x95
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(jbd2_handle);
<Interrupt>
lock(jbd2_handle);
*** DEADLOCK ***
5 locks held by git/20158:
#0: (sb_writers#7){.+.+.+}, at: [<ffffffff81155411>] mnt_want_write+0x24/0x4b
#1: (&type->i_mutex_dir_key#2/1){+.+.+.}, at: [<ffffffff81145087>] lock_rename+0xd9/0xe3
#2: (&sb->s_type->i_mutex_key#11){+.+.+.}, at: [<ffffffff8114f8e2>] lock_two_nondirectories+0x3f/0x6b
#3: (&sb->s_type->i_mutex_key#11/4){+.+.+.}, at: [<ffffffff8114f909>] lock_two_nondirectories+0x66/0x6b
#4: (jbd2_handle){+.+.?.}, at: [<ffffffff811e31db>] start_this_handle+0x4ca/0x555
stack backtrace:
CPU: 2 PID: 20158 Comm: git Not tainted 4.1.0-rc7-next-20150615-dbg-00016-g8bdf555-dirty #211
Call Trace:
dump_stack+0x4c/0x6e
mark_lock+0x384/0x56d
mark_held_locks+0x5f/0x76
lockdep_trace_alloc+0xb2/0xb5
kmem_cache_alloc_trace+0x32/0x1e2
zcomp_strm_alloc+0x25/0x73 [zram]
zcomp_strm_multi_find+0xe7/0x173 [zram]
zcomp_strm_find+0xc/0xe [zram]
zram_bvec_rw+0x2ca/0x7e0 [zram]
zram_make_request+0x1fa/0x301 [zram]
generic_make_request+0x9c/0xdb
submit_bio+0xf7/0x120
ext4_io_submit+0x2e/0x43
ext4_bio_write_page+0x1b7/0x300
mpage_submit_page+0x60/0x77
mpage_map_and_submit_buffers+0x10f/0x21d
ext4_writepages+0xc8c/0xe1b
do_writepages+0x23/0x2c
__filemap_fdatawrite_range+0x84/0x8b
filemap_flush+0x1c/0x1e
ext4_alloc_da_blocks+0xb8/0x117
ext4_rename+0x132/0x6dc
? mark_held_locks+0x5f/0x76
ext4_rename2+0x29/0x2b
vfs_rename+0x540/0x636
SyS_renameat2+0x359/0x44d
SyS_rename+0x1e/0x20
entry_SYSCALL_64_fastpath+0x12/0x6f
[minchan@kernel.org: add stable mark]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Kyeongdon Kim <kyeongdon.kim@lge.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Kejian Yan says:
====================
dts: hisi: fixes no syscon fault when init mdio
This patchset fixes the bug that eth can't initial successful on hip05-D02
because the dts files doesn't match the source code.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
As dtsi files use the normal naming conventions using '-' instead of '_'
inside of property names, the driver needs to update the phandle name
strings of the of_parse_phandle func.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When linux start up, we get the log below:
"Hi-HNS_MDIO 803c0000.mdio: no syscon hisilicon,peri-c-subctrl
mdio_bus mdio@803c0000: mdio sys ctl reg has not maped"
The source code about the subctrl is dealt syscon, but dts doesn't.
It cause such fault, so this patch adds the syscon info on dts files to
fixes it.
Signed-off-by: Kejian Yan <yankejian@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Skb_gso_segment() uses skb control block during segmentation.
This patch adds 32-bytes room for previous control block which
will be copied into all resulting segments.
This patch fixes kernel crash during fragmenting forwarded packets.
Fragmentation requires valid IP CB in skb for clearing ip options.
Also patch removes custom save/restore in ovs code, now it's redundant.
Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Link: http://lkml.kernel.org/r/CALYGNiP-0MZ-FExV2HutTvE9U-QQtkKSoE--KN=JQE5STYsjAA@mail.gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
floppy: make local variable non-static
exynos: fixes an incorrect header guard
dt-bindings: fixes some incorrect header guards
cpufreq-dt: correct dead link in documentation
cpufreq: ARM big LITTLE: correct dead link in documentation
treewide: Fix typos in printk
Documentation: filesystem: Fix typo in fs/eventfd.c
fs/super.c: use && instead of & for warn_on condition
Documentation: fix sysfs-ptp
lib: scatterlist: fix Kconfig description
Pull livepatching updates from Jiri Kosina:
- RO/NX attribute fixes for patch module relocations from Josh
Poimboeuf. As part of this effort, module.c has been cleaned up as
well and livepatching is piggy-backing on this cleanup. Rusty is OK
with this whole lot going through livepatching tree.
- symbol disambiguation support from Chris J Arges. That series is
also
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
but this came in only after I've alredy pushed out. Didn't want to
rebase because of that, hence I am mentioning it here.
- symbol lookup fix from Miroslav Benes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching:
livepatch: Cleanup module page permission changes
module: keep percpu symbols in module's symtab
module: clean up RO/NX handling.
module: use a structure to encapsulate layout.
gcov: use within_module() helper.
module: Use the same logic for setting and unsetting RO/NX
livepatch: function,sympos scheme in livepatch sysfs directory
livepatch: add sympos as disambiguator field to klp_reloc
livepatch: add old_sympos as disambiguator field to klp_func
