Here are some small Staging and IIO driver fixes for 4.12-rc6.
Nothing huge, just a few small driver fixes for reported issues. All
have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO fixes from Greg KH:
"Here are some small staging and IIO driver fixes for 4.12-rc6.
Nothing huge, just a few small driver fixes for reported issues. All
have been in linux-next with no reported issues"
* tag 'staging-4.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
Staging: rtl8723bs: fix an error code in isFileReadable()
iio: buffer-dmaengine: Add missing header buffer_impl.h
iio: buffer-dma: Add missing header buffer_impl.h
iio: adc: meson-saradc: fix potential crash in meson_sar_adc_clear_fifo
iio: adc: mxs-lradc: Fix return value check in mxs_lradc_adc_probe()
iio: imu: inv_mpu6050: add accel lpf setting for chip >= MPU6500
staging: iio: ad7152: Fix deadlock in ad7152_write_raw_samp_freq()
Pull networking fixes from David Miller:
1) The netlink attribute passed in to dev_set_alias() is not
necessarily NULL terminated, don't use strlcpy() on it. From
Alexander Potapenko.
2) Fix implementation of atomics in arm64 bpf JIT, from Daniel
Borkmann.
3) Correct the release of netdevs and driver private data in certain
circumstances.
4) Sanitize netlink message length properly in decnet, from Mateusz
Jurczyk.
5) Don't leak kernel data in rtnl_fill_vfinfo() netlink blobs. From
Yuval Mintz.
6) Hash secret is never initialized in ipv6 ILA translation code, from
Arnd Bergmann. I guess those clang warnings about unused inline
functions are useful for something!
7) Fix endian selection in bpf_endian.h, from Daniel Borkmann.
8) Sanitize sockaddr length before dereferncing any fields in AF_UNIX
and CAIF. From Mateusz Jurczyk.
9) Fix timestamping for GMAC3 chips in stmmac driver, from Mario
Molitor.
10) Do not leak netdev on dev_alloc_name() errors in mac80211, from
Johannes Berg.
11) Fix locking in sctp_for_each_endpoint(), from Xin Long.
12) Fix wrong memset size on 32-bit in snmp6, from Christian Perle.
13) Fix use after free in ip_mc_clear_src(), from WANG Cong.
14) Fix regressions caused by ICMP rate limiting changes in 4.11, from
Jesper Dangaard Brouer.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (91 commits)
i40e: Fix a sleep-in-atomic bug
net: don't global ICMP rate limit packets originating from loopback
net/act_pedit: fix an error code
net: update undefined ->ndo_change_mtu() comment
net_sched: move tcf_lock down after gen_replace_estimator()
caif: Add sockaddr length check before accessing sa_family in connect handler
qed: fix dump of context data
qmi_wwan: new Telewell and Sierra device IDs
net: phy: Fix MDIO_THUNDER dependencies
netconsole: Remove duplicate "netconsole: " logging prefix
igmp: acquire pmc lock for ip_mc_clear_src()
r8152: give the device version
net: rps: fix uninitialized symbol warning
mac80211: don't send SMPS action frame in AP mode when not needed
mac80211/wpa: use constant time memory comparison for MACs
mac80211: set bss_info data before configuring the channel
mac80211: remove 5/10 MHz rate code from station MLME
mac80211: Fix incorrect condition when checking rx timestamp
mac80211: don't look at the PM bit of BAR frames
i40e: fix handling of HW ATR eviction
...
The caller only cares about zero vs non-zero so this code actually works
fine but we should be returning a negative error code instead of a valid
pointer casted to int.
Fixes: 554c0a3abf ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* buffer-dma / buffer-dmaengine
- Fix missing include of buffer_impl.h after the split of buffer.h.
No driver in mainline is currently using these buffers so it wasn't
picked up by automated build tests.
* ad7152
- Fix a deadlock in ad7152_write_raw_samp_freq as the chip_state lock
was already held.
* inv_mpu6050
- Add low pass filter setting for chips newer than the MPU6500. None of
use previously picked up no the fact it was different on these newer
chips. It is separately set for the acceleration on these parts. There
is no normal reason to set it differently so the userspace interface
remains the same as for early parts.
* meson-saradc:
- Fix a potential crash by NULL pointer dereference in
meson_sar_adc_clear_fifo.
* mxs-lradc
- Fix a return value check where IS_ERR is used on a function that returns
NULL on error
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Merge tag 'iio-fixes-for-4.12b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second set of IIO fixes for the 4.12 cycle.
* buffer-dma / buffer-dmaengine
- Fix missing include of buffer_impl.h after the split of buffer.h.
No driver in mainline is currently using these buffers so it wasn't
picked up by automated build tests.
* ad7152
- Fix a deadlock in ad7152_write_raw_samp_freq as the chip_state lock
was already held.
* inv_mpu6050
- Add low pass filter setting for chips newer than the MPU6500. None of
use previously picked up no the fact it was different on these newer
chips. It is separately set for the acceleration on these parts. There
is no normal reason to set it differently so the userspace interface
remains the same as for early parts.
* meson-saradc:
- Fix a potential crash by NULL pointer dereference in
meson_sar_adc_clear_fifo.
* mxs-lradc
- Fix a return value check where IS_ERR is used on a function that returns
NULL on error
These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both
fix problems found in those codebases.
All have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"These are mostly all IIO driver fixes, resolving a number of tiny
issues. There's also a ccree and lustre fix in here as well, both fix
problems found in those codebases.
All have been in linux-next with no reported issues"
* tag 'staging-4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: ccree: fix buffer copy
staging/lustre/lov: remove set_fs() call from lov_getstripe()
staging: ccree: add CRYPTO dependency
iio: adc: sun4i-gpadc-iio: fix parent device being used in devm function
iio: light: ltr501 Fix interchanged als/ps register field
iio: adc: bcm_iproc_adc: swap primary and secondary isr handler's
iio: trigger: fix NULL pointer dereference in iio_trigger_write_current()
iio: adc: max9611: Fix attribute measure unit
iio: adc: ti_am335x_adc: allocating too much in probe
iio: adc: sun4i-gpadc-iio: Fix module autoload when OF devices are registered
iio: adc: sun4i-gpadc-iio: Fix module autoload when PLATFORM devices are registered
iio: proximity: as3935: fix iio_trigger_poll issue
iio: proximity: as3935: fix AS3935_INT mask
iio: adc: Max9611: checking for ERR_PTR instead of NULL in probe
iio: proximity: as3935: recalibrate RCO after resume
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c: In function ‘rtw_cfg80211_add_monitor_if’:
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c:2670:10: error: ‘struct net_device’ has no member named ‘destructor’
mon_ndev->destructor = rtw_ndev_destructor;
^
Signed-off-by: David S. Miller <davem@davemloft.net>
Network devices can allocate reasources and private memory using
netdev_ops->ndo_init(). However, the release of these resources
can occur in one of two different places.
Either netdev_ops->ndo_uninit() or netdev->destructor().
The decision of which operation frees the resources depends upon
whether it is necessary for all netdev refs to be released before it
is safe to perform the freeing.
netdev_ops->ndo_uninit() presumably can occur right after the
NETDEV_UNREGISTER notifier completes and the unicast and multicast
address lists are flushed.
netdev->destructor(), on the other hand, does not run until the
netdev references all go away.
Further complicating the situation is that netdev->destructor()
almost universally does also a free_netdev().
This creates a problem for the logic in register_netdevice().
Because all callers of register_netdevice() manage the freeing
of the netdev, and invoke free_netdev(dev) if register_netdevice()
fails.
If netdev_ops->ndo_init() succeeds, but something else fails inside
of register_netdevice(), it does call ndo_ops->ndo_uninit(). But
it is not able to invoke netdev->destructor().
This is because netdev->destructor() will do a free_netdev() and
then the caller of register_netdevice() will do the same.
However, this means that the resources that would normally be released
by netdev->destructor() will not be.
Over the years drivers have added local hacks to deal with this, by
invoking their destructor parts by hand when register_netdevice()
fails.
Many drivers do not try to deal with this, and instead we have leaks.
Let's close this hole by formalizing the distinction between what
private things need to be freed up by netdev->destructor() and whether
the driver needs unregister_netdevice() to perform the free_netdev().
netdev->priv_destructor() performs all actions to free up the private
resources that used to be freed by netdev->destructor(), except for
free_netdev().
netdev->needs_free_netdev is a boolean that indicates whether
free_netdev() should be done at the end of unregister_netdevice().
Now, register_netdevice() can sanely release all resources after
ndo_ops->ndo_init() succeeds, by invoking both ndo_ops->ndo_uninit()
and netdev->priv_destructor().
And at the end of unregister_netdevice(), we invoke
netdev->priv_destructor() and optionally call free_netdev().
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a bug where the copying of scatterlist buffers incorrectly
ignored bytes to skip in a scatterlist and ended 1 byte short.
This fixes testmgr hmac and hash test failures currently obscured
by hash import/export not being supported.
Fixes: abefd6741d ("staging: ccree: introduce CryptoCell HW driver").
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Several atomisp files use:
ccflags-y += -Werror
As, on media, our usual procedure is to use W=1, and atomisp
has *a lot* of warnings with such flag enabled,like:
./drivers/staging/media/atomisp/pci/atomisp2/css2400/hive_isp_css_common/host/system_local.h:62:26: warning: 'DDR_BASE' defined but not used [-Wunused-const-variable=]
At the end, it causes our build to fail, impacting our workflow.
So, remove this crap. If one wants to force -Werror, he
can still build with it enabled by passing a parameter to
make.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
lov_getstripe() calls set_fs(KERNEL_DS) so that it can handle a struct
lov_user_md pointer from user- or kernel-space. This changes the
behavior of copy_from_user() on SPARC and may result in a misaligned
access exception which in turn oopses the kernel. In fact the
relevant argument to lov_getstripe() is never called with a
kernel-space pointer and so changing the address limits is unnecessary
and so we remove the calls to save, set, and restore the address
limits.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Reviewed-on: http://review.whamcloud.com/6150
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3221
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Li Wei <wei.g.li@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ad7152_write_raw_samp_freq() is called by ad7152_write_raw() with
chip->state_lock held. So, there is unavoidable deadlock when
ad7152_write_raw_samp_freq() locks the mutex itself.
The patch removes unneeded locking.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Fixes: 6572389bcc ("staging: iio: cdc: ad7152: Implement
IIO_CHAN_INFO_SAMP_FREQ attribute")
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
A rare randconfig build error shows up when we have CONFIG_CRYPTO=m
in combination with a built-in CCREE driver:
crypto/hmac.o: In function `hmac_update':
hmac.c:(.text.hmac_update+0x28): undefined reference to `crypto_shash_update'
crypto/hmac.o: In function `hmac_setkey':
hmac.c:(.text.hmac_setkey+0x90): undefined reference to `crypto_shash_digest'
hmac.c:(.text.hmac_setkey+0x154): undefined reference to `crypto_shash_update'
drivers/staging/ccree/ssi_cipher.o: In function `ssi_blkcipher_setkey':
ssi_cipher.c:(.text.ssi_blkcipher_setkey+0x350): undefined reference to `crypto_shash_digest'
drivers/staging/ccree/ssi_cipher.o: In function `ssi_blkcipher_exit':
ssi_cipher.c:(.text.ssi_blkcipher_exit+0xd4): undefined reference to `crypto_destroy_tfm'
drivers/staging/ccree/ssi_cipher.o: In function `ssi_blkcipher_init':
ssi_cipher.c:(.text.ssi_blkcipher_init+0x1b0): undefined reference to `crypto_alloc_shash'
drivers/staging/ccree/ssi_cipher.o: In function `ssi_ablkcipher_free':
ssi_cipher.c:(.text.ssi_ablkcipher_free+0x48): undefined reference to `crypto_unregister_alg'
drivers/staging/ccree/ssi_cipher.o: In function `ssi_ablkcipher_alloc':
ssi_cipher.c:(.text.ssi_ablkcipher_alloc+0x138): undefined reference to `crypto_register_alg'
ssi_cipher.c:(.text.ssi_ablkcipher_alloc+0x274): undefined reference to `crypto_blkcipher_type'
We actually need to depend on both CRYPTO and CRYPTO_HW here to avoid the
problem, since CRYPTO_HW is a bool symbol and by itself that does not
force CCREE to be a loadable module when the core cryto support is modular.
Fixes: 50cfbbb7e6 ("staging: ccree: add ahash support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-By: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The i2c functions need to test the pm_suspend state and do, if needed, some
retry before i2c operations. This code was repeated 4x.
To isolate this, create a new function to check suspend state and call it in
every need place.
As at it, move the error message from pr_err to dev_err.
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Yueyao Zhu <yueyao.zhu@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix reset of i2c_busy flag if an error occurs during the i2c block read.
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Yueyao Zhu <yueyao.zhu@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A re-positioned call to kfree() in
drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c
causes a segmentation error. This patch removed the kfree() call.
Fixes 6557ddfec3 ("staging: rtl8723bs: Fix various errors in os_dep/ioctl_cfg80211.c")
Signed-off-by: Ian W Morrison <ianwmorrison@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
TID 7 is a valid value for QoS IEEE 802.11e.
The switch statement that follows states 7 is valid.
Remove function IsACValid and use the default case to filter
invalid TIDs.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
EPROM_CMD is 2 byte aligned on PCI map so calling with rtl92e_readl
will return invalid data so use rtl92e_readw.
The device is unable to select the right eeprom type.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
BSSIDR has two byte alignment on PCI ioremap correct the write
by swapping to 16 bits first.
This fixes a problem that the device associates fail because
the filter is not set correctly.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver attempts to alter memory that is mapped to PCI device.
This is because tx_fwinfo_8190pci points to skb->data
Move the pci_map_single to when completed buffer is ready to be mapped with
psdec is empty to drop on mapping error.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vchiq_arm supports transfers less than one page and at arbitrary
alignment, using the dma-mapping API to perform its cache maintenance
(even though the VPU drives the DMA hardware). Read (DMA_FROM_DEVICE)
operations use cache invalidation for speed, falling back to
clean+invalidate on partial cache lines, with writes (DMA_TO_DEVICE)
using flushes.
If a read transfer has ends which aren't page-aligned, performing cache
maintenance as if they were whole pages can lead to memory corruption
since the partial cache lines at the ends (and any cache lines before or
after the transfer area) will be invalidated. This bug was masked until
the disabling of the cache flush in flush_dcache_page().
Honouring the requested transfer start- and end-points prevents the
corruption.
Fixes: cf9caf1929 ("staging: vc04_services: Replace dmac_map_area with dmac_map_sg")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Cc: stable <stable@vger.kernel.org> # 4.10
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
An early error handler in send_request() tries to release a spinlock,
but the lock isn't acquired until the loop below it is entered.
Signed-off-by: Ian Chard <ian@chard.org>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix the following sparse warnings about incorrect type usage:
fusb302.c:1028:32: warning: incorrect type in argument 1 (different base types)
fusb302.c:1028:32: expected unsigned short [unsigned] [usertype] header
fusb302.c:1028:32: got restricted __le16 const [usertype] header
fusb302.c:1484:32: warning: incorrect type in argument 1 (different base types)
fusb302.c:1484:32: expected unsigned short [unsigned] [usertype] header
fusb302.c:1484:32: got restricted __le16 [usertype] header
Signed-off-by: Guru Das Srinagesh <gurooodas@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When allocating a gpio using the managed resource devm_, we can avoid freeing it
manually. But even if we did it we should use devm_gpio_free.
So, just remove the free of the gpio in the error path.
Signed-off-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Yueyao Zhu <yueyao.zhu@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
PS_RDY messages sent during power swap sequences are expected to reflect
the new power role.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the lower level driver provided a list of VDOs in its configuration
data, send it to the partner as response to a Discover Identity command
if in device mode (UFP).
Cc: Yueyao Zhu <yueyao.zhu@gmail.com>
Originally-from: Puma Hsu <puma_hsu@htc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We do support USB PD communication, and devices supported by this driver
typically use USB power for purposes other than USB communication.
Originally-from: Puma Hsu <puma_hsu@htc.com>
Cc: Yueyao Zhu <yueyao.zhu@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Per USB PD standard, we have to drop duplicate PD messages.
We can not expect lower protocol layers to drop such messages,
since lower layers don't know if a message was dropped somewhere
else in the stack.
Originally-from: Puma Hsu <puma_hsu@htc.com>
Cc: Yueyao Zhu <yueyao.zhu@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
FUSB_REG_STATUS0 & FUSB_REG_STATUS0_VBUSOK = 0x40 & 0x80 is always
zero. Fix the code to what it is intended to be: check the VBUSOK
bit of the value read from address FUSB_REG_STATUS0.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Yueyao Zhu <yueyao.zhu@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the OF and I2C device ID table entries as module aliases, using the
MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/staging/typec/fusb302/fusb302.ko | grep alias
$
After this patch:
$ modinfo drivers/staging/typec/fusb302/fusb302.ko | grep alias
alias: of:N*T*Cfcs,fusb302C*
alias: of:N*T*Cfcs,fusb302
alias: i2c:typec_fusb302
Signed-off-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This fixes a sparse warning regarding an undeclared symbol. Since the
structure tcpci_tcpc_config is private to tcpci.c, it should be declared as
static.
Signed-off-by: Olivier Leveque <o_leveque@orange.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After commit 9828282e33 ("staging: android: ion: Remove old platform
support"), the document about devicetree of ion is no need anymore, so
just remove it.
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull hw lockdown support from David Howells:
"Annotation of module parameters that configure hardware resources
including ioports, iomem addresses, irq lines and dma channels.
This allows a future patch to prohibit the use of such module
parameters to prevent that hardware from being abused to gain access
to the running kernel image as part of locking the kernel down under
UEFI secure boot conditions.
Annotations are made by changing:
module_param(n, t, p)
module_param_named(n, v, t, p)
module_param_array(n, t, m, p)
to:
module_param_hw(n, t, hwtype, p)
module_param_hw_named(n, v, t, hwtype, p)
module_param_hw_array(n, t, hwtype, m, p)
where the module parameter refers to a hardware setting
hwtype specifies the type of the resource being configured. This can
be one of:
ioport Module parameter configures an I/O port
iomem Module parameter configures an I/O mem address
ioport_or_iomem Module parameter could be either (runtime set)
irq Module parameter configures an I/O port
dma Module parameter configures a DMA channel
dma_addr Module parameter configures a DMA buffer address
other Module parameter configures some other value
Note that the hwtype is compile checked, but not currently stored (the
lockdown code probably won't require it). It is, however, there for
future use.
A bonus is that the hwtype can also be used for grepping.
The intention is for the kernel to ignore or reject attempts to set
annotated module parameters if lockdown is enabled. This applies to
options passed on the boot command line, passed to insmod/modprobe or
direct twiddling in /sys/module/ parameter files.
The module initialisation then needs to handle the parameter not being
set, by (1) giving an error, (2) probing for a value or (3) using a
reasonable default.
What I can't do is just reject a module out of hand because it may
take a hardware setting in the module parameters. Some important
modules, some ipmi stuff for instance, both probe for hardware and
allow hardware to be manually specified; if the driver is aborts with
any error, you don't get any ipmi hardware.
Further, trying to do this entirely in the module initialisation code
doesn't protect against sysfs twiddling.
[!] Note that in and of itself, this series of patches should have no
effect on the the size of the kernel or code execution - that is
left to a patch in the next series to effect. It does mark
annotated kernel parameters with a KERNEL_PARAM_FL_HWPARAM flag in
an already existing field"
* tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (38 commits)
Annotate hardware config module parameters in sound/pci/
Annotate hardware config module parameters in sound/oss/
Annotate hardware config module parameters in sound/isa/
Annotate hardware config module parameters in sound/drivers/
Annotate hardware config module parameters in fs/pstore/
Annotate hardware config module parameters in drivers/watchdog/
Annotate hardware config module parameters in drivers/video/
Annotate hardware config module parameters in drivers/tty/
Annotate hardware config module parameters in drivers/staging/vme/
Annotate hardware config module parameters in drivers/staging/speakup/
Annotate hardware config module parameters in drivers/staging/media/
Annotate hardware config module parameters in drivers/scsi/
Annotate hardware config module parameters in drivers/pcmcia/
Annotate hardware config module parameters in drivers/pci/hotplug/
Annotate hardware config module parameters in drivers/parport/
Annotate hardware config module parameters in drivers/net/wireless/
Annotate hardware config module parameters in drivers/net/wan/
Annotate hardware config module parameters in drivers/net/irda/
Annotate hardware config module parameters in drivers/net/hamradio/
Annotate hardware config module parameters in drivers/net/ethernet/
...
Pull RCU updates from Ingo Molnar:
"The main changes are:
- Debloat RCU headers
- Parallelize SRCU callback handling (plus overlapping patches)
- Improve the performance of Tree SRCU on a CPU-hotplug stress test
- Documentation updates
- Miscellaneous fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits)
rcu: Open-code the rcu_cblist_n_lazy_cbs() function
rcu: Open-code the rcu_cblist_n_cbs() function
rcu: Open-code the rcu_cblist_empty() function
rcu: Separately compile large rcu_segcblist functions
srcu: Debloat the <linux/rcu_segcblist.h> header
srcu: Adjust default auto-expediting holdoff
srcu: Specify auto-expedite holdoff time
srcu: Expedite first synchronize_srcu() when idle
srcu: Expedited grace periods with reduced memory contention
srcu: Make rcutorture writer stalls print SRCU GP state
srcu: Exact tracking of srcu_data structures containing callbacks
srcu: Make SRCU be built by default
srcu: Fix Kconfig botch when SRCU not selected
rcu: Make non-preemptive schedule be Tasks RCU quiescent state
srcu: Expedite srcu_schedule_cbs_snp() callback invocation
srcu: Parallelize callback handling
kvm: Move srcu_struct fields to end of struct kvm
rcu: Fix typo in PER_RCU_NODE_PERIOD header comment
rcu: Use true/false in assignment to bool
rcu: Use bool value directly
...
drivers/staging/ccree/ssi_hash.c:1990: error: unknown field 'template_ahash' specified in initializer
drivers/staging/ccree/ssi_hash.c:1991: error: unknown field 'init' specified in initializer
drivers/staging/ccree/ssi_hash.c:1991: warning: missing braces around initializer
drivers/staging/ccree/ssi_hash.c:1991: warning: (near initialization for 'driver_hash[0].<anonymous>.template_ahash')
drivers/staging/ccree/ssi_hash.c:1992: error: unknown field 'update' specified in initializer
drivers/staging/ccree/ssi_hash.c:1992: warning: excess elements in union initializer
drivers/staging/ccree/ssi_hash.c:1992: warning: (near initialization for 'driver_hash[0].<anonymous>')
drivers/staging/ccree/ssi_hash.c:1993: error: unknown field 'final' specified in initializer
drivers/staging/ccree/ssi_hash.c:1993: warning: excess elements in union initializer
drivers/staging/ccree/ssi_hash.c:1993: warning: (near initialization for 'driver_hash[0].<anonymous>')
...
gcc-4.4.4 has issues with anon union initializers. Work around this.
Cc: Gilad Ben-Yossef <gilad@benyossef.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
CURRENT_TIME macro is not y2038 safe on 32 bit systems.
The patch replaces all the uses of CURRENT_TIME by current_time() for
filesystem times, and ktime_get_* functions for others.
struct timespec is also not y2038 safe. Retain timespec for timestamp
representation here as lustre uses it internally everywhere. These
references will be changed to use struct timespec64 in a separate patch.
This is also in preparation for the patch that transitions vfs
timestamps to use 64 bit time and hence make them y2038 safe.
current_time() is also planned to be transitioned to y2038 safe behavior
along with this change.
CURRENT_TIME macro will be deleted before merging the aforementioned
change.
Link: http://lkml.kernel.org/r/1491613030-11599-10-git-send-email-deepa.kernel@gmail.com
Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
While examining output from trial builds with -Wformat-security enabled,
many strings were found that should be defined as "const", or as a char
array instead of char pointer. This makes some static analysis easier,
by producing fewer false positives.
As these are all trivial changes, it seemed best to put them all in a
single patch rather than chopping them up per maintainer.
Link: http://lkml.kernel.org/r/20170405214711.GA5711@beast
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jes Sorensen <jes@trained-monkey.org> [runner.c]
Cc: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Salil Mehta <salil.mehta@huawei.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Jiri Slaby <jslaby@suse.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Cc: Matt Redfearn <matt.redfearn@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: Jarod Wilson <jarod@redhat.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Antonio Quartulli <a@unstable.cc>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Kejian Yan <yankejian@huawei.com>
Cc: Daode Huang <huangdaode@hisilicon.com>
Cc: Qianqian Xie <xieqianqian@huawei.com>
Cc: Philippe Reynes <tremyfr@gmail.com>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Christian Gromm <christian.gromm@microchip.com>
Cc: Andrey Shvetsov <andrey.shvetsov@k2l.de>
Cc: Jason Litzinger <jlitzingerdev@gmail.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There are many code paths opencoding kvmalloc. Let's use the helper
instead. The main difference to kvmalloc is that those users are
usually not considering all the aspects of the memory allocator. E.g.
allocation requests <= 32kB (with 4kB pages) are basically never failing
and invoke OOM killer to satisfy the allocation. This sounds too
disruptive for something that has a reasonable fallback - the vmalloc.
On the other hand those requests might fallback to vmalloc even when the
memory allocator would succeed after several more reclaim/compaction
attempts previously. There is no guarantee something like that happens
though.
This patch converts many of those places to kv[mz]alloc* helpers because
they are more conservative.
Link: http://lkml.kernel.org/r/20170306103327.2766-2-mhocko@kernel.org
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> # Xen bits
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Andreas Dilger <andreas.dilger@intel.com> # Lustre
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> # KVM/s390
Acked-by: Dan Williams <dan.j.williams@intel.com> # nvdim
Acked-by: David Sterba <dsterba@suse.com> # btrfs
Acked-by: Ilya Dryomov <idryomov@gmail.com> # Ceph
Acked-by: Tariq Toukan <tariqt@mellanox.com> # mlx4
Acked-by: Leon Romanovsky <leonro@mellanox.com> # mlx5
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Santosh Raspatur <santosh@chelsio.com>
Cc: Hariprasad S <hariprasad@chelsio.com>
Cc: Yishai Hadas <yishaih@mellanox.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: "Yan, Zheng" <zyan@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here is the big staging tree update for 4.12-rc1. And it's a big one,
adding about 350k new lines of crap^Wcode, mostly all in a big dump of
media drivers from Intel. But there's other new drivers in here as
well, yet-another-wifi driver, new IIO drivers, and a new crypto
accelerator. We also deleted a bunch of stuff, mostly in patch
cleanups, but also the Android ION code has shrunk a lot, and the
Android low memory killer driver was finally deleted, much to the
celebration of the -mm developers.
All of these have been in linux-next with a few build issues that will
show up when you merge to your tree, I'll follow up with fixes for those
after this gets merged.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big staging tree update for 4.12-rc1.
It's a big one, adding about 350k new lines of crap^Wcode, mostly all
in a big dump of media drivers from Intel. But there's other new
drivers in here as well, yet-another-wifi driver, new IIO drivers, and
a new crypto accelerator.
We also deleted a bunch of stuff, mostly in patch cleanups, but also
the Android ION code has shrunk a lot, and the Android low memory
killer driver was finally deleted, much to the celebration of the -mm
developers.
All of these have been in linux-next with a few build issues that will
show up when you merge to your tree"
Merge conflicts in the new rtl8723bs driver (due to the wifi changes
this merge window) handled as per linux-next, courtesy of Stephen
Rothwell.
* tag 'staging-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1182 commits)
staging: fsl-mc/dpio: add cpu <--> LE conversion for dpaa2_fd
staging: ks7010: remove line continuations in quoted strings
staging: vt6656: use tabs instead of spaces
staging: android: ion: Fix unnecessary initialization of static variable
staging: media: atomisp: fix range checking on clk_num
staging: media: atomisp: fix misspelled word in comment
staging: media: atomisp: kmap() can't fail
staging: atomisp: remove #ifdef for runtime PM functions
staging: atomisp: satm include directory is gone
atomisp: remove some more unused files
atomisp: remove hmm_load/store/clear indirections
atomisp: kill off mmgr_free
atomisp: clean up the hmm init/cleanup indirections
atomisp: handle allocation calls before init in the hmm layer
staging: fsl-dpaa2/eth: Add maintainer for Ethernet driver
staging: fsl-dpaa2/eth: Add TODO file
staging: fsl-dpaa2/eth: Add trace points
staging: fsl-dpaa2/eth: Add driver specific stats
staging: fsl-dpaa2/eth: Add ethtool support
staging: fsl-dpaa2/eth: Add Freescale DPAA2 Ethernet driver
...
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Merge tag 'media/v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"Media updates for v4.12-rc1:
- new driver to support mediatek jpeg in hardware codec
- rc-lirc, s5p-cec and st-cec staging drivers got promoted
- hardware histogram support for vsp1 driver
- added Virtual Media Controller driver, to make easier to test the
media controller
- added a new CEC driver (rainshadow-cec)
- removed two staging LIRC drivers for obscure hardware that are too
obsolete
- added support for Intel SR300 Depth camera
- some improvements at CEC and RC core
- lots of driver cleanups, improvements all over the tree
With this series, we're finally getting rid of the LIRC staging
driver. There's just one left (lirc_zilog), with require more care,
as part of its functionality (IR RX) is already provided by another
driver. Work in progress to convert it on the proper way"
* tag 'media/v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (304 commits)
[media] ov2640: print error if devm_*_optional*() fails
[media] atmel-isc: Fix the static checker warning
[media] ov2640: add support for MEDIA_BUS_FMT_YVYU8_2X8 and MEDIA_BUS_FMT_VYUY8_2X8
[media] ov2640: fix vflip control
[media] ov2640: fix duplicate width+height returning from ov2640_select_win()
[media] ov2640: add missing write to size change preamble
[media] ov2640: add information about DSP register 0xc7
[media] ov2640: improve banding filter register definitions/documentation
[media] ov2640: fix init sequence alignment
[media] ov2640: make GPIOLIB an optional dependency
[media] xc5000: fix spelling mistake: "calibration"
[media] vidioc-queryctrl.rst: fix menu/int menu references
[media] media-entity: only call dev_dbg_obj if mdev is not NULL
[media] pixfmt-meta-vsp1-hgo.rst: remove spurious '-'
[media] mtk-vcodec: avoid warnings because of empty macros
[media] coda: bump maximum number of internal framebuffers to 17
[media] media: mtk-vcodec: remove informative log
[media] subdev-formats.rst: remove spurious '-'
[media] dw2102: limit messages to buffer size
[media] ttusb2: limit messages to buffer size
...
Here is the big USB patchset for 4.12-rc1.
Lots of good stuff here, after many many many attempts, the kernel
finally has a working typeC interface, many thanks to the Heikki and
Guenter and others who have taken the time to get this merged. It
wasn't an easy path for them at all.
There's also a staging driver that uses this new api, which is why it's
coming in through this tree.
Along with that, there's the usual huge number of changes for gadget
drivers, xhci, and other stuff. Johan also finally refactored pretty
much every driver that was looking at USB endpoints to do it in a common
way, which will help prevent any "badly-formed" devices from causing
problems in drivers. That too wasn't a simple task.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB updates from Greg KH:
"Here is the big USB patchset for 4.12-rc1.
Lots of good stuff here, after many many many attempts, the kernel
finally has a working typeC interface, many thanks to Heikki and
Guenter and others who have taken the time to get this merged. It
wasn't an easy path for them at all.
There's also a staging driver that uses this new api, which is why
it's coming in through this tree.
Along with that, there's the usual huge number of changes for gadget
drivers, xhci, and other stuff. Johan also finally refactored pretty
much every driver that was looking at USB endpoints to do it in a
common way, which will help prevent any "badly-formed" devices from
causing problems in drivers. That too wasn't a simple task.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (263 commits)
staging: typec: Fairchild FUSB302 Type-c chip driver
staging: typec: Type-C Port Controller Interface driver (tcpci)
staging: typec: USB Type-C Port Manager (tcpm)
usb: host: xhci: remove #ifdef around PM functions
usb: musb: don't mark of_dev_auxdata as initdata
usb: misc: legousbtower: Fix buffers on stack
USB: Revert "cdc-wdm: fix "out-of-sync" due to missing notifications"
usb: Make sure usb/phy/of gets built-in
USB: storage: e-mail update in drivers/usb/storage/unusual_devs.h
usb: host: xhci: print correct command ring address
usb: host: xhci: delete sp_dma_buffers for scratchpad
usb: host: xhci: using correct specification chapter reference for DCBAAP
xhci: switch to pci_alloc_irq_vectors
usb: host: xhci-plat: set resume_quirk() for R-Car controllers
usb: host: xhci-plat: add resume_quirk()
usb: host: xhci-plat: enable clk in resume timing
usb: host: plat: Enable xHCI plat runtime PM
USB: serial: ftdi_sio: add device ID for Microsemi/Arrow SF2PLUS Dev Kit
USB: serial: constify static arrays
usb: fix some references for /proc/bus/usb
...
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Merge tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux
Pull drm u pdates from Dave Airlie:
"This is the main drm pull request for v4.12. Apart from two fixes
pulls, everything should have been in drm-next for at least 2 weeks.
The biggest thing in here is AMD released the public headers for their
upcoming VEGA GPUs. These as always are quite a sizeable chunk of
header files. They've also added initial non-display support for those
GPUs, though they aren't available in production yet.
Otherwise it's pretty much normal.
New bridge drivers:
- megachips-stdpxxxx-ge-b850v3-fw LVDS->DP++
- generic LVDS bridge support.
Core:
- Displayport link train failure reporting to userspace
- debugfs interface cleaned up
- subsystem TODO in kerneldoc now
- Extended fbdev support (flipping and vblank wait)
- drm_platform removed
- EDP CRC support in helper
- HF-VSDB SCDC support in EDID parser
- Lots of code cleanups and header extraction
- Thunderbolt external GPU awareness
- Atomic helper improvements
- Documentation improvements
panel:
- Sitronix and Samsung new panel support
amdgpu:
- Preliminary vega10 support
- Multi-level page table support
- GPU sensor support for userspace
- PRT support for sparse buffers
- SR-IOV improvements
- Non-contig VRAM CPU mapping
i915:
- Atomic modesetting enabled by default on Gen5+
- LSPCON improvements
- Atomic state handling for cdclk
- GPU reset improvements
- In-kernel unit tests
- Geminilake improvements and color manager support
- Designware i2c fixes
- vblank evasion improvements
- Hotplug safe connector iterators
- GVT scheduler QoS support
- GVT Kabylake support
nouveau:
- Acceleration support for Pascal (GP10x).
- Rearchitecture of code handling proprietary signed firmware
- Fix GTX 970 with odd MMU configuration
- GP10B support
- GP107 acceleration support
vmwgfx:
- Atomic modesetting support for vmwgfx
omapdrm:
- Support for render nodes
- Refactor omapdss code
- Fix some probe ordering issues
- Fix too dark RGB565 rendering
sunxi:
- prelim rework for multiple pipes.
mali-dp:
- Color management support
- Plane scaling
- Power management improvements
imx-drm:
- Prefetch Resolve Engine/Gasket on i.MX6QP
- Deferred plane disabling
- Separate alpha support
mediatek:
- Mediatek SoC MT2701 support
rcar-du:
- Gen3 HDMI support
msm:
- 4k support for newer chips
- OPP bindings for gpu
- prep work for per-process pagetables
vc4:
- HDMI audio support
- fixes
qxl:
- minor fixes.
dw-hdmi:
- PHY improvements
- CSC fixes
- Amlogic GX SoC support"
* tag 'drm-for-v4.12' of git://people.freedesktop.org/~airlied/linux: (1778 commits)
drm/nouveau/fb/gf100-: Fix 32 bit wraparound in new ram detection
drm/nouveau/secboot/gm20b: fix the error return code in gm20b_secboot_tegra_read_wpr()
drm/nouveau/kms: Increase max retries in scanout position queries.
drm/nouveau/bios/bitP: check that table is long enough for optional pointers
drm/nouveau/fifo/nv40: no ctxsw for pre-nv44 mpeg engine
drm: mali-dp: use div_u64 for expensive 64-bit divisions
drm/i915: Confirm the request is still active before adding it to the await
drm/i915: Avoid busy-spinning on VLV_GLTC_PW_STATUS mmio
drm/i915/selftests: Allocate inode/file dynamically
drm/i915: Fix system hang with EI UP masked on Haswell
drm/i915: checking for NULL instead of IS_ERR() in mock selftests
drm/i915: Perform link quality check unconditionally during long pulse
drm/i915: Fix use after free in lpe_audio_platdev_destroy()
drm/i915: Use the right mapping_gfp_mask for final shmem allocation
drm/i915: Make legacy cursor updates more unsynced
drm/i915: Apply a cond_resched() to the saturated signaler
drm/i915: Park the signaler before sleeping
drm: mali-dp: Check the mclk rate and allow up/down scaling
drm: mali-dp: Enable image enhancement when scaling
drm: mali-dp: Add plane upscaling support
...
Pull networking updates from David Millar:
"Here are some highlights from the 2065 networking commits that
happened this development cycle:
1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri)
2) Add a generic XDP driver, so that anyone can test XDP even if they
lack a networking device whose driver has explicit XDP support
(me).
3) Sparc64 now has an eBPF JIT too (me)
4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei
Starovoitov)
5) Make netfitler network namespace teardown less expensive (Florian
Westphal)
6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana)
7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger)
8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky)
9) Multiqueue support in stmmac driver (Joao Pinto)
10) Remove TCP timewait recycling, it never really could possibly work
well in the real world and timestamp randomization really zaps any
hint of usability this feature had (Soheil Hassas Yeganeh)
11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay
Aleksandrov)
12) Add socket busy poll support to epoll (Sridhar Samudrala)
13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso,
and several others)
14) IPSEC hw offload infrastructure (Steffen Klassert)"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits)
tipc: refactor function tipc_sk_recv_stream()
tipc: refactor function tipc_sk_recvmsg()
net: thunderx: Optimize page recycling for XDP
net: thunderx: Support for XDP header adjustment
net: thunderx: Add support for XDP_TX
net: thunderx: Add support for XDP_DROP
net: thunderx: Add basic XDP support
net: thunderx: Cleanup receive buffer allocation
net: thunderx: Optimize CQE_TX handling
net: thunderx: Optimize RBDR descriptor handling
net: thunderx: Support for page recycling
ipx: call ipxitf_put() in ioctl error path
net: sched: add helpers to handle extended actions
qed*: Fix issues in the ptp filter config implementation.
qede: Fix concurrency issue in PTP Tx path processing.
stmmac: Add support for SIMATIC IOT2000 platform
net: hns: fix ethtool_get_strings overflow in hns driver
tcp: fix wraparound issue in tcp_lp
bpf, arm64: fix jit branch offset related to ldimm64
bpf, arm64: implement jiting of BPF_XADD
...
guide for user-space API documents, rather sparsely populated at the
moment, but it's a start. Markus improved the infrastructure for
converting diagrams. Mauro has converted much of the USB documentation
over to RST. Plus the usual set of fixes, improvements, and tweaks.
There's a bit more than the usual amount of reaching out of Documentation/
to fix comments elsewhere in the tree; I have acks for those where I could
get them.
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Merge tag 'docs-4.12' of git://git.lwn.net/linux
Pull documentation update from Jonathan Corbet:
"A reasonably busy cycle for documentation this time around. There is a
new guide for user-space API documents, rather sparsely populated at
the moment, but it's a start. Markus improved the infrastructure for
converting diagrams. Mauro has converted much of the USB documentation
over to RST. Plus the usual set of fixes, improvements, and tweaks.
There's a bit more than the usual amount of reaching out of
Documentation/ to fix comments elsewhere in the tree; I have acks for
those where I could get them"
* tag 'docs-4.12' of git://git.lwn.net/linux: (74 commits)
docs: Fix a couple typos
docs: Fix a spelling error in vfio-mediated-device.txt
docs: Fix a spelling error in ioctl-number.txt
MAINTAINERS: update file entry for HSI subsystem
Documentation: allow installing man pages to a user defined directory
Doc/PM: Sync with intel_powerclamp code behavior
zr364xx.rst: usb/devices is now at /sys/kernel/debug/
usb.rst: move documentation from proc_usb_info.txt to USB ReST book
convert philips.txt to ReST and add to media docs
docs-rst: usb: update old usbfs-related documentation
arm: Documentation: update a path name
docs: process/4.Coding.rst: Fix a couple of document refs
docs-rst: fix usb cross-references
usb: gadget.h: be consistent at kernel doc macros
usb: composite.h: fix two warnings when building docs
usb: get rid of some ReST doc build errors
usb.rst: get rid of some Sphinx errors
usb/URB.txt: convert to ReST and update it
usb/persist.txt: convert to ReST and add to driver-api book
usb/hotplug.txt: convert to ReST and add to driver-api book
...
Pull block layer updates from Jens Axboe:
- Add BFQ IO scheduler under the new blk-mq scheduling framework. BFQ
was initially a fork of CFQ, but subsequently changed to implement
fairness based on B-WF2Q+, a modified variant of WF2Q. BFQ is meant
to be used on desktop type single drives, providing good fairness.
From Paolo.
- Add Kyber IO scheduler. This is a full multiqueue aware scheduler,
using a scalable token based algorithm that throttles IO based on
live completion IO stats, similary to blk-wbt. From Omar.
- A series from Jan, moving users to separately allocated backing
devices. This continues the work of separating backing device life
times, solving various problems with hot removal.
- A series of updates for lightnvm, mostly from Javier. Includes a
'pblk' target that exposes an open channel SSD as a physical block
device.
- A series of fixes and improvements for nbd from Josef.
- A series from Omar, removing queue sharing between devices on mostly
legacy drivers. This helps us clean up other bits, if we know that a
queue only has a single device backing. This has been overdue for
more than a decade.
- Fixes for the blk-stats, and improvements to unify the stats and user
windows. This both improves blk-wbt, and enables other users to
register a need to receive IO stats for a device. From Omar.
- blk-throttle improvements from Shaohua. This provides a scalable
framework for implementing scalable priotization - particularly for
blk-mq, but applicable to any type of block device. The interface is
marked experimental for now.
- Bucketized IO stats for IO polling from Stephen Bates. This improves
efficiency of polled workloads in the presence of mixed block size
IO.
- A few fixes for opal, from Scott.
- A few pulls for NVMe, including a lot of fixes for NVMe-over-fabrics.
From a variety of folks, mostly Sagi and James Smart.
- A series from Bart, improving our exposed info and capabilities from
the blk-mq debugfs support.
- A series from Christoph, cleaning up how handle WRITE_ZEROES.
- A series from Christoph, cleaning up the block layer handling of how
we track errors in a request. On top of being a nice cleanup, it also
shrinks the size of struct request a bit.
- Removal of mg_disk and hd (sorry Linus) by Christoph. The former was
never used by platforms, and the latter has outlived it's usefulness.
- Various little bug fixes and cleanups from a wide variety of folks.
* 'for-4.12/block' of git://git.kernel.dk/linux-block: (329 commits)
block: hide badblocks attribute by default
blk-mq: unify hctx delay_work and run_work
block: add kblock_mod_delayed_work_on()
blk-mq: unify hctx delayed_run_work and run_work
nbd: fix use after free on module unload
MAINTAINERS: bfq: Add Paolo as maintainer for the BFQ I/O scheduler
blk-mq-sched: alloate reserved tags out of normal pool
mtip32xx: use runtime tag to initialize command header
scsi: Implement blk_mq_ops.show_rq()
blk-mq: Add blk_mq_ops.show_rq()
blk-mq: Show operation, cmd_flags and rq_flags names
blk-mq: Make blk_flags_show() callers append a newline character
blk-mq: Move the "state" debugfs attribute one level down
blk-mq: Unregister debugfs attributes earlier
blk-mq: Only unregister hctxs for which registration succeeded
blk-mq-debugfs: Rename functions for registering and unregistering the mq directory
blk-mq: Let blk_mq_debugfs_register() look up the queue name
blk-mq: Register <dev>/queue/mq after having registered <dev>/queue
ide-pm: always pass 0 error to ide_complete_rq in ide_do_devset
ide-pm: always pass 0 error to __blk_end_request_all
..
While dpaa2_fd.simple structure fields are marked __leXX,
corresponding cpu_to_leXX / leXX_to_cpu conversions are missing.
While here, fix dpaa2_fd_{get,set}_bpid such that BMT, IVP bits
sharing the 16-bit field with BPID are not affected.
Fixes: d3269bdc7e ("bus: fsl-mc: dpio: add frame descriptor and scatter/gather APIs")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Checkpatch emits WARNING: Avoid line continuations in quoted strings.
Remove line continuations - split strings using quotes.
Signed-off-by: Ilia Sergachev <ilia.sergachev@unibas.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix a checkpatch error: CODE_INDENT (code indent should use tabs where
possible).
Signed-off-by: Juan Antonio Pedreira Martos <juanpm1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds