Masahiro Yamada [Wed, 22 Mar 2017 20:07:07 +0000 (05:07 +0900)]
mtd: nand: denali: introduce capability flag
The Denali NAND controller IP has various customizable features.
SoC vendors can choose desired functions when a delivery RTL is
created. It means there are several variants for this IP. For
example, the Intel version is equipped with 32bit DMA, whereas the
IP for UniPhier SoC family with 64bit DMA.
This driver was originally written for some Intel platforms with
Intel specific things hard-coded. What is worse, the revision
register of this IP does not work to distinguish such features.
We need to do something to make the driver available for other SoCs.
Let's introduce a caps member to the denali_nand_info structure to
switch on/off various features. Also, add struct denali_dt_data to
store the capability associated with compatible string.
Boris suggested this approach in discussion [1] instead of a new DT
property for every feature.
[1] https://lkml.org/lkml/2016/3/29/142
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Masahiro Yamada [Wed, 22 Mar 2017 20:07:05 +0000 (05:07 +0900)]
mtd: nand: denali: fix comment of denali_nand_info::flash_mem
The same comment "Mapped io reg base address" for flash_reg and
flash_mem probably due to the mistake of copy-paste work.
Of course, the latter is not the register base address.
Reword the comments using the terminology in the Denali User's Guide.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Masahiro Yamada [Wed, 22 Mar 2017 20:07:02 +0000 (05:07 +0900)]
mtd: nand: denali: remove unused CONFIG option and macros
All of these macros are not used at all.
CONFIG_MTD_NAND_DENALI_SCRATCH_REG_ADDR is not used for anything but
defining SCRATCH_REG_ADDR. The config option should go away as well.
I am removing some register macros. They are not used, and do not
exist in recent IP versions.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Masahiro Yamada [Wed, 22 Mar 2017 20:07:01 +0000 (05:07 +0900)]
mtd: nand: use read_oob() instead of cmdfunc() for bad block check
The nand_default_block_markbad() and scan_block_fast() use high
level APIs to get access to the BBM.
On the other hand, nand_block_bad (the default implementation of
->block_bad) calls the lower level ->cmdfunc hook. This prevents
drivers from using ->ecc.read_oob() even if optimized read operation
is implemented. Besides, some NAND controllers may protect the BBM
with ECC.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Masahiro Yamada [Wed, 22 Mar 2017 20:07:00 +0000 (05:07 +0900)]
mtd: nand: allow to set only one of ECC size and ECC strength from DT
Currently, it is valid to specify both "nand-ecc-step-size" and
"nand-ecc-strength", but not allowed to set only one of them.
This requirement has a conflict with "nand-ecc-maximize"; this flag
is used when you want the driver to choose the best ECC strength.
If "nand-ecc-maximize" is set, "nand-ecc-strength" is very likely to
be unset.
It would be possible to make the if-conditional more complex by
adding the check for the NAND_ECC_MAXIMIZE flag, but I chose to drop
the check entirely. I thought of the situation where the hardware
has a fixed ECC step size (so it can be hard-coded in the driver),
whereas the ECC strength is configurable by software. In that case,
we may want to only set "nand-ecc-strength" (or "nand-ecc-maximize")
in DT.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Thomas Petazzoni [Tue, 21 Mar 2017 10:04:05 +0000 (11:04 +0100)]
mtd: nand: fsmc: remove CONFIG_OF conditional
Since commit 4404d7d821c33 ("mtd: nand: fsmc: remove stale non-DT probe
path"), the fsmc NAND driver only supports Device Tree probing, and
therefore has a "depends on OF" in its Kconfig option.
Due to this the #ifdef CONFIG_OF ... #endif condition in the driver code
is no longer necessary.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Since the driver now only supports DT probing, it doesn't make a lot of
sense to have a private data structure called platform_data, fill it in
with information coming from the DT, and then copying this into the
driver-specific structure fsmc_nand_data.
So instead, we remove fsmc_nand_platform_data entirely, and have
fsmc_nand_probe_config_dt() fill in the fsmc_nand_data structure
directly.
This requires calling fsmc_nand_probe_config_dt() after fsmc_nand_data
has been allocated instead of before.
Also, as an added bonus, we now propagate properly the return value of
fsmc_nand_probe_config_dt() instead of returning -ENODEV on failure. The
error message is also removed, since it no longer made any sense.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
The ->partitions and ->nr_partitions fields of struct
fsmc_nand_platform_data are never set anywhere, so they are always
NULL/0. The corresponding fields in 'struct fsmc_nand_data' are set to the
value of the same fields in fsmc_nand_platform_data, i.e NULL/0.
Therefore, we remove those two fields, and pass NULL/0 directly to
mtd_device_register(), like many other NAND drivers already do.
At the same time, we remove the comment about the fact that we pass
partition info, since we are no longer doing this.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Thomas Petazzoni [Tue, 21 Mar 2017 10:03:58 +0000 (11:03 +0100)]
mtd: nand: fsmc: remove fsmc_select_chip()
host->select_chip used to point to the ->select_bank() function provided
by the platform data, but the latter no longer exists. Therefore
host->select_chip is always NULL.
Due to this, the fsmc_select_chip() does nothing, except:
when chipnr is -1, which is exactly what the default implementation of
->select_chip() does in the NAND framework. So, this commit kills
fsmc_select_chip() entirely.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Thomas Petazzoni [Tue, 21 Mar 2017 10:03:57 +0000 (11:03 +0100)]
mtd: nand: fsmc: remove ->select_bank() from fsmc_nand_platform_data
Since commit 4404d7d821c3 ("mtd: nand: fsmc: remove stale non-DT probe
path"), only DT probing is used for the fsmc_nand driver. Due to this,
the ->select_bank() field of fsmc_nand_platform_data is never used, so
this commit gets rid of it.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Thomas Petazzoni [Tue, 21 Mar 2017 10:03:56 +0000 (11:03 +0100)]
mtd: nand: fsmc: move fsmc_nand_data definition
This commit simply moves the "struct fsmc_nand_data" definition to be
towards the beginning of the file, with the other defines and type
definitions, instead of in the middle of the driver code. This is much
more consistent with what most Linux drivers do.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Thomas Petazzoni [Tue, 21 Mar 2017 10:03:53 +0000 (11:03 +0100)]
mtd: nand: fsmc: fix NAND width handling
In commit eea628199d5b ("mtd: Add device-tree support to fsmc_nand"),
Device Tree support was added to the fmsc_nand driver. However, this
code has a bug in how it handles the bank-width DT property to set the
bus width.
Indeed, in the function fsmc_nand_probe_config_dt() that parses the
Device Tree, it sets pdata->width to either 8 or 16 depending on the
value of the bank-width DT property.
Then, the ->probe() function will test if pdata->width is equal to
FSMC_NAND_BW16 (which is 2) to set NAND_BUSWIDTH_16 in
nand->options. Therefore, with the DT probing, this condition will never
match.
This commit fixes that by removing the "width" field from
fsmc_nand_platform_data and instead have the fsmc_nand_probe_config_dt()
function directly set the appropriate nand->options value.
It is worth mentioning that if this commit gets backported to older
kernels, prior to the drop of non-DT probing, then non-DT probing will
be broken because nand->options will no longer be set to
NAND_BUSWIDTH_16.
Fixes: eea628199d5b ("mtd: Add device-tree support to fsmc_nand") Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Dan Carpenter [Wed, 22 Mar 2017 09:01:45 +0000 (12:01 +0300)]
mtd: nand: hynix: Fix an error code in init
We should be return -ENOMEM instead of success.
Fixes: 626994e07480 ("mtd: nand: hynix: Add read-retry support for 1x nm MLC NANDs") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Christophe Leroy [Fri, 10 Feb 2017 14:01:10 +0000 (15:01 +0100)]
mtd: nand: gpio: make nCE GPIO optional
On some hardware, the nCE signal is wired to the ChipSelect associated
to bus address of the NAND, so it is automatically driven during the
memory access and it is not managed by a GPIO.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Reviewed-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Mon, 20 Feb 2017 13:10:07 +0000 (14:10 +0100)]
mtd: nand: tango: Enforce DMA direction type
do_dma() uses an int to pass the DMA data direction information and
pass the same value to dmaengine_prep_slave_sg().
Currently, DMA_{FROM,TO}_DEVICE match DMA_{DEV_TO_MEM,MEM_TO_DEV}
definitions so it works fine, but assuming this will always be the case
is not safe.
Enforce enum dma_data_direction type in the function prototype and make
the enum dma_data_direction -> enum dma_transfer_direction conversion
explicit.
Reported-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
trivial fix to spelling mistake in NS_ERR error message
Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
As of commit bb475230b8e5 ("reset: make optional functions really
optional"), the reset framework API calls use NULL pointers to describe
optional, non-present reset controls.
This allows to return errors from devm_reset_control_get_optional and to
call reset_control_(de)assert unconditionally.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Fri, 27 May 2016 08:15:03 +0000 (10:15 +0200)]
mtd: nand: hynix: Add read-retry support for 1x nm MLC NANDs
All Hynix MLC NANDs produced with the 1x nm process support read-retry.
This read retry implementation should also be re-usable for other Hynix
NANDs, but the method to retrieve the read-retry parameters from the
read-retry OTP area might change a bit (some NANDs are even using a fixed
set of values instead of retrieving those information from the OTP area).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Fri, 27 May 2016 12:36:36 +0000 (14:36 +0200)]
mtd: nand: hynix: Rework NAND ID decoding to extract more information
The current NAND ID detection in nand_hynix.c is not handling the
different scheme used by Hynix, thus forcing developers to add new
entry to the nand_ids table each time they want to support a new MLC
NAND.
Enhance the detection logic to handle all known formats. This does not
necessarily mean we are handling all the cases, but if new formats are
discovered, the code should evolve to take them into account instead of
adding more full-id entries to the nand_ids table.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Hans de Goede [Wed, 8 Jun 2016 08:45:28 +0000 (10:45 +0200)]
mtd: nand: samsung: Retrieve ECC requirements from extended ID
On some nand controllers with hw-ecc the controller code wants to know
the ecc strength and size and having these as 0, 0 is not accepted.
Specifying these in devicetree is possible but undesirable as the nand
may be different in different production runs of the same board, so it
is better to get this info from the nand id where possible.
This commit adds code to read the ecc strength and size from the nand
for Samsung extended-id nands. This code is based on the info for the 5th
id byte in the datasheets for the following Samsung nands: K9GAG08U0E,
K9GAG08U0F, K9GAG08X0D, K9GBG08U0A, K9GBG08U0B. These all use these bits
in the exact same way.
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Richard Weinberger <richard@nod.at> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Wed, 8 Jun 2016 08:42:23 +0000 (10:42 +0200)]
mtd: nand: Move AMD/Spansion specific init/detection logic in nand_amd.c
Move AMD/Spansion specific initialization/detection logic into
nand_amd.c. This is part of the "separate vendor specific code from
core" cleanup process.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Wed, 8 Jun 2016 08:34:57 +0000 (10:34 +0200)]
mtd: nand: Move Toshiba specific init/detection logic in nand_toshiba.c
Move Toshiba specific initialization and detection logic into
nand_toshiba.c. This is part of the "separate vendor specific code from
core" cleanup process.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Wed, 8 Jun 2016 08:30:18 +0000 (10:30 +0200)]
mtd: nand: Move Hynix specific init/detection logic in nand_hynix.c
Move Hynix specific initialization and detection logic into
nand_hynix.c. This is part of the "separate vendor specific code from
core" cleanup process.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Wed, 8 Jun 2016 08:22:19 +0000 (10:22 +0200)]
mtd: nand: Move Samsung specific init/detection logic in nand_samsung.c
Move Samsung specific initialization and detection logic into
nand_samsung.c. This is part of the "separate vendor specific code from
core" cleanup process.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Wed, 8 Jun 2016 07:32:55 +0000 (09:32 +0200)]
mtd: nand: Add manufacturer specific initialization/detection steps
A lot of NANDs are implementing generic features in a non-generic way,
or are providing advanced auto-detection logic where the NAND ID bytes
meaning changes with the NAND generation.
Providing this vendor specific initialization step will allow us to get
rid of full-id entries in the nand_ids table or all the vendor specific
cases added over the time in the generic NAND ID decoding logic.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Sat, 7 Jan 2017 14:48:25 +0000 (15:48 +0100)]
mtd: nand: Do not expose the NAND manufacturer table directly
There is no reason to expose the NAND manufacturer table. Provide an
helper function to find manufacturers by their id.
We also turn the nand_manufacturers table into a const array, since its
members are not modified after the initial assignment.
Finally, we remove the sentinel manufacturer entry from the manufacturers
table (we already have the array size information given by ARRAY_SIZE()),
and add the nand_manufacturer_name() helper to handle the "Unknown" case
properly.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Tue, 24 May 2016 21:07:46 +0000 (23:07 +0200)]
mtd: nand: Kill the MTD_NAND_IDS Kconfig option
MTD_NAND_IDS is selected by MTD_NAND, which makes it useless. Remove
the Kconfig option and link nand_ids.o into the nand.o object file.
Doing that also prevents creating an extra nand_ids.ko module when
MTD_NAND is activated as a module.
Since nand_ids.c is no longer compiled as a standalone module and the
nand_manuf_ids/nand_flash_ids symbols are only used in nand_base.c, we
can get rid of the MODULE_XXX() and EXPORT_SYMBOL() definitions.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Boris Brezillon [Tue, 24 May 2016 18:55:33 +0000 (20:55 +0200)]
mtd: nand: Rename nand_get_flash_type() into nand_detect()
Since commit 4722c0e958e6 ("mtd: nand: change return type of
nand_get_flash_type() to int"), nand_get_flash_type() no longer returns
a nand_flash_dev object.
Rename the function to match this new behavior.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at>
Boris Brezillon [Tue, 24 May 2016 18:17:48 +0000 (20:17 +0200)]
mtd: nand: Get rid of busw parameter
Auto-detection functions are passed a busw parameter to retrieve the actual
NAND bus width and eventually set the correct value in chip->options.
Rework the nand_get_flash_type() function to get rid of this extra
parameter and let detection code directly set the NAND_BUSWIDTH_16 flag in
chip->options if needed.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at> Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Boris Brezillon [Tue, 24 May 2016 17:20:05 +0000 (19:20 +0200)]
mtd: nand: Store nand ID in struct nand_chip
Store the NAND ID in struct nand_chip to avoid passing id_data and id_len
as function parameters.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at> Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Boris Brezillon [Tue, 24 May 2016 14:56:22 +0000 (16:56 +0200)]
mtd: nand: Get rid of the mtd parameter in all auto-detection functions
Now that struct nand_chip embeds an mtd_info object we can get rid of the
mtd parameter and extract it from the chip parameter with the nand_to_mtd()
helper.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> Acked-by: Richard Weinberger <richard@nod.at> Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
4) Fix sendmsg deadlock in rxrpc, from David Howells.
5) Add missing RCU locking to transport hashtable scan, from Xin Long.
6) Fix potential packet loss in mlxsw driver, from Ido Schimmel.
7) Fix race in NAPI handling between poll handlers and busy polling,
from Eric Dumazet.
8) TX path in vxlan and geneve need proper RCU locking, from Jakub
Kicinski.
9) SYN processing in DCCP and TCP need to disable BH, from Eric
Dumazet.
10) Properly handle net_enable_timestamp() being invoked from IRQ
context, also from Eric Dumazet.
11) Fix crash on device-tree systems in xgene driver, from Alban Bedel.
12) Do not call sk_free() on a locked socket, from Arnaldo Carvalho de
Melo.
13) Fix use-after-free in netvsc driver, from Dexuan Cui.
14) Fix max MTU setting in bonding driver, from WANG Cong.
15) xen-netback hash table can be allocated from softirq context, so use
GFP_ATOMIC. From Anoob Soman.
16) Fix MAC address change bug in bgmac driver, from Hari Vyas.
17) strparser needs to destroy strp_wq on module exit, from WANG Cong.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (69 commits)
strparser: destroy workqueue on module exit
sfc: fix IPID endianness in TSOv2
sfc: avoid max() in array size
rds: remove unnecessary returned value check
rxrpc: Fix potential NULL-pointer exception
nfp: correct DMA direction in XDP DMA sync
nfp: don't tell FW about the reserved buffer space
net: ethernet: bgmac: mac address change bug
net: ethernet: bgmac: init sequence bug
xen-netback: don't vfree() queues under spinlock
xen-netback: keep a local pointer for vif in backend_disconnect()
netfilter: nf_tables: don't call nfnetlink_set_err() if nfnetlink_send() fails
netfilter: nft_set_rbtree: incorrect assumption on lower interval lookups
netfilter: nf_conntrack_sip: fix wrong memory initialisation
can: flexcan: fix typo in comment
can: usb_8dev: Fix memory leak of priv->cmd_msg_buffer
can: gs_usb: fix coding style
can: gs_usb: Don't use stack memory for USB transfers
ixgbe: Limit use of 2K buffers on architectures with 256B or larger cache lines
ixgbe: update the rss key on h/w, when ethtool ask for it
...
Linus Torvalds [Sat, 4 Mar 2017 19:36:19 +0000 (11:36 -0800)]
Merge tag 'kvm-4.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Radim Krčmář:
"Second batch of KVM changes for the 4.11 merge window:
PPC:
- correct assumption about ASDR on POWER9
- fix MMIO emulation on POWER9
x86:
- add a simple test for ioperm
- cleanup TSS (going through KVM tree as the whole undertaking was
caused by VMX's use of TSS)
- fix nVMX interrupt delivery
- fix some performance counters in the guest
... and two cleanup patches"
* tag 'kvm-4.11-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: nVMX: Fix pending events injection
x86/kvm/vmx: remove unused variable in segment_base()
selftests/x86: Add a basic selftest for ioperm
x86/asm: Tidy up TSS limit code
kvm: convert kvm.users_count from atomic_t to refcount_t
KVM: x86: never specify a sample period for virtualized in_tx_cp counters
KVM: PPC: Book3S HV: Don't use ASDR for real-mode HPT faults on POWER9
KVM: PPC: Book3S HV: Fix software walk of guest process page tables
Linus Torvalds [Sat, 4 Mar 2017 19:26:18 +0000 (11:26 -0800)]
Merge tag 'staging-4.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO driver fixes from Greg KH:
"Here are a few small staging and IIO driver fixes for issues that
showed up after the big set if changes you merged last week.
Nothing major, just small bugs resolved in some IIO drivers, a lustre
allocation fix, and some RaspberryPi driver fixes for reported
problems, as well as a MAINTAINERS entry update.
All of these have been in linux-next for a week with no reported
issues"
* tag 'staging-4.11-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: fsl-mc: fix warning in DT ranges parser
MAINTAINERS: Remove Noralf Trønnes as fbtft maintainer
staging: vchiq_2835_arm: Make cache-line-size a required DT property
staging: bcm2835/mmal-vchiq: unlock on error in buffer_from_host()
staging/lustre/lnet: Fix allocation size for sv_cpt_data
iio: adc: xilinx: Fix error handling
iio: 104-quad-8: Fix off-by-one error when addressing flag register
iio: adc: handle unknow of_device_id data
Linus Torvalds [Sat, 4 Mar 2017 18:42:53 +0000 (10:42 -0800)]
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
- vmalloc stack regression in CCM
- Build problem in CRC32 on ARM
- Memory leak in cavium
- Missing Kconfig dependencies in atmel and mediatek
- XTS Regression on some platforms (s390 and ppc)
- Memory overrun in CCM test vector
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: vmx - Use skcipher for xts fallback
crypto: vmx - Use skcipher for cbc fallback
crypto: testmgr - Pad aes_ccm_enc_tv_template vector
crypto: arm/crc32 - add build time test for CRC instruction support
crypto: arm/crc32 - fix build error with outdated binutils
crypto: ccm - move cbcmac input off the stack
crypto: xts - Propagate NEED_FALLBACK bit
crypto: api - Add crypto_requires_off helper
crypto: atmel - CRYPTO_DEV_MEDIATEK should depend on HAS_DMA
crypto: atmel - CRYPTO_DEV_ATMEL_TDES and CRYPTO_DEV_ATMEL_SHA should depend on HAS_DMA
crypto: cavium - fix leak on curr if curr->head fails to be allocated
crypto: cavium - Fix couple of static checker errors
Linus Torvalds [Sat, 4 Mar 2017 05:36:56 +0000 (21:36 -0800)]
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"This is the set of stuff that didn't quite make the initial pull and a
set of fixes for stuff which did.
The new stuff is basically lpfc (nvme), qedi and aacraid. The fixes
cover a lot of previously submitted stuff, the most important of which
probably covers some of the failing irq vectors allocation and other
fallout from having the SCSI command allocated as part of the block
allocation functions"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (59 commits)
scsi: qedi: Fix memory leak in tmf response processing.
scsi: aacraid: remove redundant zero check on ret
scsi: lpfc: use proper format string for dma_addr_t
scsi: lpfc: use div_u64 for 64-bit division
scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m
scsi: cciss: correct check map error.
scsi: qla2xxx: fix spelling mistake: "seperator" -> "separator"
scsi: aacraid: Fixed expander hotplug for SMART family
scsi: mpt3sas: switch to pci_alloc_irq_vectors
scsi: qedf: fixup compilation warning about atomic_t usage
scsi: remove scsi_execute_req_flags
scsi: merge __scsi_execute into scsi_execute
scsi: simplify scsi_execute_req_flags
scsi: make the sense header argument to scsi_test_unit_ready mandatory
scsi: sd: improve TUR handling in sd_check_events
scsi: always zero sshdr in scsi_normalize_sense
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
scsi: fix memory leak of sdpk on when gd fails to allocate
scsi: sd: make sd_devt_release() static
scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework.
...
WANG Cong [Fri, 3 Mar 2017 20:21:14 +0000 (12:21 -0800)]
strparser: destroy workqueue on module exit
Fixes: 43a0c6751a32 ("strparser: Stream parser for messages") Cc: Tom Herbert <tom@herbertland.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
The following patchset contains Netfilter fixes for your net tree,
they are:
1) Missing check for full sock in ip_route_me_harder(), from
Florian Westphal.
2) Incorrect sip helper structure initilization that breaks it when
several ports are used, from Christophe Leroy.
3) Fix incorrect assumption when looking up for matching with adjacent
intervals in the nft_set_rbtree.
4) Fix broken netlink event error reporting in nf_tables that results
in misleading ESRCH errors propagated to userspace listeners.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Linus Torvalds [Sat, 4 Mar 2017 00:48:48 +0000 (16:48 -0800)]
Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A fix and regression test case for nvdimm namespace label
compatibility.
Details:
- An "nvdimm namespace label" is metadata on an nvdimm that
provisions dimm capacity into a "namespace" that can host a block
device / dax-filesytem, or a device-dax character device.
A namespace is an object that other operating environment and
platform firmware needs to comprehend for capabilities like booting
from an nvdimm.
The label metadata contains a checksum that Linux was not
calculating correctly leading to other environments rejecting the
Linux label.
These have received a build success notification from the kbuild
robot, and a positive test result from Nick who reported the problem"
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit, libnvdimm: fix interleave set cookie calculation
tools/testing/nvdimm: make iset cookie predictable
Linus Torvalds [Sat, 4 Mar 2017 00:44:21 +0000 (16:44 -0800)]
Merge tag 'pci-v4.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- fix NULL pointer dereferences in many DesignWare-based drivers due to
refactoring error
- fix Altera config write breakage due to my refactoring error
* tag 'pci-v4.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: altera: Fix TLP_CFG_DW0 for TLP write
PCI: dwc: Fix crashes seen due to missing assignments
Linus Torvalds [Sat, 4 Mar 2017 00:20:06 +0000 (16:20 -0800)]
Merge branch 'parisc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes and cleanups from Helge Deller:
"Nothing really important in this patchset: fix resource leaks in error
paths, coding style cleanups and code removal"
* 'parisc-4.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Remove flush_user_dcache_range and flush_user_icache_range
parisc: fix a printk
parisc: ccio-dma: Handle return NULL error from ioremap_nocache
parisc: Define access_ok() as macro
parisc: eisa: Fix resource leaks in error paths
parisc: eisa: Remove coding style errors
Linus Torvalds [Sat, 4 Mar 2017 00:17:55 +0000 (16:17 -0800)]
Merge tag 'xtensa-20170303' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- clean up bootable image build targets: provide separate 'Image',
'zImage' and 'uImage' make targets that only build corresponding
image type. Make 'all' build all images appropriate for a platform
- allow merging vectors code into .text section as a preparation step
for XIP support
- fix handling external FDT when the kernel is built without
BLK_DEV_INITRD support
* tag 'xtensa-20170303' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: allow merging vectors into .text section
xtensa: clean up bootable image build targets
xtensa: move parse_tag_fdt out of #ifdef CONFIG_BLK_DEV_INITRD
Linus Torvalds [Sat, 4 Mar 2017 00:15:48 +0000 (16:15 -0800)]
Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late DT updates from Arnd Bergmann:
"These updates have been kept in a separate branch mostly because they
rely on updates to the respective clk drivers to keep the shared
header files in sync.
This includes two branches for arm64 dt updates, both following up on
earlier changes for the same platforms that are already merged:
Samsung:
- add USB3 support in Exynos7
- minor PM related updates
Amlogic:
- new machines: WeTek Set-top-boxes
- various devices added to DT
There are also a couple of bugfixes that trickled in since the start
of the merge window:
- The moxart_defconfig was not building the intended platform
- CPU-hotplug was broken on ux500
- Coresight was broken on Juno (never worked)"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
ARM: deconfig: fix the moxart defconfig
ARM: ux500: resume the second core properly
arm64: dts: juno: update definition for programmable replicator
arm64: dts: exynos: Add regulators for Vbus and Vbus-Boost
arm64: dts: exynos: Add USB 3.0 controller node for Exynos7
arm64: dts: exynos: Use macros for pinctrl configuration on Exynos7
pinctrl: dt-bindings: samsung: Add Exynos7 specific pinctrl macro definitions
arm64: dts: exynos: Add initial configuration for DISP clocks for TM2/TM2e
ARM64: dts: meson-gxbb-p200: add ADC laddered keys
ARM64: dts: meson: meson-gx: add the SAR ADC
ARM64: dts: meson-gxl: add the pwm_ao_b pin
ARM64: dts: meson-gx: add the missing pwm_AO_ab node
clk: gxbb: fix CLKID_ETH defined twice
ARM64: dts: meson-gxl: rename Nexbox A95x for consistency
clk: gxbb: add the SAR ADC clocks and expose them
dt-bindings: amlogic: Add WeTek boards
ARM64: dts: meson-gxbb: Add support for WeTek Hub and Play
dt-bindings: vendor-prefix: Add wetek vendor prefix
ARM64: dts: meson-gxm: Rename q200 and q201 DT files for consistency
ARM64: dts: meson-gx: Add HDMI HPD/DDC pinctrl nodes
...
Linus Torvalds [Sat, 4 Mar 2017 00:00:59 +0000 (16:00 -0800)]
Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull SMB3 fixes from Steve French:
"Some small bug fixes as well as SMB2.1/SMB3 enablement for DFS (global
namespace) which previously was only enabled for CIFS"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
smb2: Enforce sec= mount option
CIFS: Fix sparse warnings
CIFS: implement get_dfs_refer for SMB2+
CIFS: use DFS pathnames in SMB2+ Create requests
CIFS: set signing flag in SMB2+ TreeConnect if needed
CIFS: let ses->ipc_tid hold smb2 TreeIds
CIFS: add use_ipc flag to SMB2_ioctl()
CIFS: add build_path_from_dentry_optional_prefix()
CIFS: move DFS response parsing out of SMB1 code
CIFS: Fix possible use after free in demultiplex thread
Martyn Welch [Fri, 3 Mar 2017 22:43:30 +0000 (22:43 +0000)]
docs: Fix htmldocs build failure
Build of HTML docs failing due to conversion of deviceiobook.tmpl in 8a8a602f and regulator.tmpl in 028f2533 to RST without removing from
DOCBOOKS in Makefile, resulting (in the case of deviceiobook) the
following error:
make[1]: *** No rule to make target 'Documentation/DocBook/deviceiobook.xml', needed by 'Documentation/DocBook/deviceiobook.aux.xml'. Stop.
Makefile:1452: recipe for target 'htmldocs' failed
make: *** [htmldocs] Error 2
Update DOCBOOKS to reflect available books.
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Linus Torvalds [Fri, 3 Mar 2017 19:55:57 +0000 (11:55 -0800)]
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
"Because copy up can take a long time, serialized copy ups could be a
big performance bottleneck. This update allows concurrent copy up of
regular files eliminating this potential problem.
There are also minor fixes"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: drop CAP_SYS_RESOURCE from saved mounter's credentials
ovl: properly implement sync_filesystem()
ovl: concurrent copy up of regular files
ovl: introduce copy up waitqueue
ovl: copy up regular file using O_TMPFILE
ovl: rearrange code in ovl_copy_up_locked()
ovl: check if upperdir fs supports O_TMPFILE
Linus Torvalds [Fri, 3 Mar 2017 19:38:56 +0000 (11:38 -0800)]
Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs 'statx()' update from Al Viro.
This adds the new extended stat() interface that internally subsumes our
previous stat interfaces, and allows user mode to specify in more detail
what kind of information it wants.
It also allows for some explicit synchronization information to be
passed to the filesystem, which can be relevant for network filesystems:
is the cached value ok, or do you need open/close consistency, or what?
From David Howells.
Andreas Dilger points out that the first version of the extended statx
interface was posted June 29, 2010:
Linus Torvalds [Fri, 3 Mar 2017 18:53:35 +0000 (10:53 -0800)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block layer fixes from Jens Axboe:
"A collection of fixes for this merge window, either fixes for existing
issues, or parts that were waiting for acks to come in. This pull
request contains:
- Allocation of nvme queues on the right node from Shaohua.
This was ready long before the merge window, but waiting on an ack
from Bjorn on the PCI bit. Now that we have that, the three patches
can go in.
- Two fixes for blk-mq-sched with nvmeof, which uses hctx specific
request allocations. This caused an oops. One part from Sagi, one
part from Omar.
- A loop partition scan deadlock fix from Omar, fixing a regression
in this merge window.
- A three-patch series from Keith, closing up a hole on clearing out
requests on shutdown/resume.
- A stable fix for nbd from Josef, fixing a leak of sockets.
- Two fixes for a regression in this window from Jan, fixing a
problem with one of his earlier patches dealing with queue vs bdi
life times.
- A fix for a regression with virtio-blk, causing an IO stall if
scheduling is used. From me.
- A fix for an io context lock ordering problem. From me"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: Move bdi_unregister() to del_gendisk()
blk-mq: ensure that bd->last is always set correctly
block: don't call ioc_exit_icq() with the queue lock held for blk-mq
block: Initialize bd_bdi on inode initialization
loop: fix LO_FLAGS_PARTSCAN hang
nvme: Complete all stuck requests
blk-mq: Provide freeze queue timeout
blk-mq: Export blk_mq_freeze_queue_wait
nbd: stop leaking sockets
blk-mq: move update of tags->rqs to __blk_mq_alloc_request()
blk-mq: kill blk_mq_set_alloc_data()
blk-mq: make blk_mq_alloc_request_hctx() allocate a scheduler request
blk-mq-sched: Allocate sched reserved tags as specified in the original queue tagset
nvme: allocate nvme_queue in correct node
PCI: add an API to get node from vector
blk-mq: allocate blk_mq_tags and requests in correct node
Linus Torvalds [Fri, 3 Mar 2017 18:16:38 +0000 (10:16 -0800)]
Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull sched.h split-up from Ingo Molnar:
"The point of these changes is to significantly reduce the
<linux/sched.h> header footprint, to speed up the kernel build and to
have a cleaner header structure.
After these changes the new <linux/sched.h>'s typical preprocessed
size goes down from a previous ~0.68 MB (~22K lines) to ~0.45 MB (~15K
lines), which is around 40% faster to build on typical configs.
Not much changed from the last version (-v2) posted three weeks ago: I
eliminated quirks, backmerged fixes plus I rebased it to an upstream
SHA1 from yesterday that includes most changes queued up in -next plus
all sched.h changes that were pending from Andrew.
I've re-tested the series both on x86 and on cross-arch defconfigs,
and did a bisectability test at a number of random points.
I tried to test as many build configurations as possible, but some
build breakage is probably still left - but it should be mostly
limited to architectures that have no cross-compiler binaries
available on kernel.org, and non-default configurations"
* 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (146 commits)
sched/headers: Clean up <linux/sched.h>
sched/headers: Remove #ifdefs from <linux/sched.h>
sched/headers: Remove the <linux/topology.h> include from <linux/sched.h>
sched/headers, hrtimer: Remove the <linux/wait.h> include from <linux/hrtimer.h>
sched/headers, x86/apic: Remove the <linux/pm.h> header inclusion from <asm/apic.h>
sched/headers, timers: Remove the <linux/sysctl.h> include from <linux/timer.h>
sched/headers: Remove <linux/magic.h> from <linux/sched/task_stack.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/init.h>
sched/core: Remove unused prefetch_stack()
sched/headers: Remove <linux/rculist.h> from <linux/sched.h>
sched/headers: Remove the 'init_pid_ns' prototype from <linux/sched.h>
sched/headers: Remove <linux/signal.h> from <linux/sched.h>
sched/headers: Remove <linux/rwsem.h> from <linux/sched.h>
sched/headers: Remove the runqueue_is_locked() prototype
sched/headers: Remove <linux/sched.h> from <linux/sched/hotplug.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/debug.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/nohz.h>
sched/headers: Remove <linux/sched.h> from <linux/sched/stat.h>
sched/headers: Remove the <linux/gfp.h> include from <linux/sched.h>
sched/headers: Remove <linux/rtmutex.h> from <linux/sched.h>
...
Linus Torvalds [Fri, 3 Mar 2017 18:13:12 +0000 (10:13 -0800)]
Merge tag 'linux-kselftest-4.11-rc1-urgent_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"This update consists of an urgent fix for individual test build
failures introduced in the 4.11-rc1 update"
* tag 'linux-kselftest-4.11-rc1-urgent_fix' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: lib.mk Fix individual test builds
David S. Miller [Fri, 3 Mar 2017 18:06:39 +0000 (10:06 -0800)]
Merge branch 'sfx-fixes'
Edward Cree says:
====================
sfc: couple of fixes
First patch addresses a construct that causes sparse to error out.
With that fixed, sparse makes some warnings on ef10.c, second patch
fixes one of them.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Edward Cree [Fri, 3 Mar 2017 15:22:27 +0000 (15:22 +0000)]
sfc: fix IPID endianness in TSOv2
The value we read from the header is in network byte order, whereas
EFX_POPULATE_QWORD_* takes values in host byte order (which it then
converts to little-endian, as MCDI is little-endian).
Fixes: e9117e5099ea ("sfc: Firmware-Assisted TSO version 2") Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Edward Cree [Fri, 3 Mar 2017 15:22:09 +0000 (15:22 +0000)]
sfc: avoid max() in array size
It confuses sparse, which thinks the size isn't constant. Let's achieve
the same thing with a BUILD_BUG_ON, since we know which one should be
bigger and don't expect them ever to change.
Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Zhu Yanjun [Fri, 3 Mar 2017 05:44:26 +0000 (00:44 -0500)]
rds: remove unnecessary returned value check
The function rds_trans_register always returns 0. As such, it is not
necessary to check the returned value.
Cc: Joe Jin <joe.jin@oracle.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David Howells [Thu, 2 Mar 2017 23:48:52 +0000 (23:48 +0000)]
rxrpc: Fix potential NULL-pointer exception
Fix a potential NULL-pointer exception in rxrpc_do_sendmsg(). The call
state check that I added should have gone into the else-body of the
if-statement where we actually have a call to check.
Found by CoverityScan CID#1414316 ("Dereference after null check").
Fixes: 540b1c48c37a ("rxrpc: Fix deadlock between call creation and sendmsg/recvmsg") Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 3 Mar 2017 17:46:54 +0000 (09:46 -0800)]
Merge branch 'nfp-fixes'
Jakub Kicinski says:
====================
nfp: RX and XDP buffer fixes
Two trivial fixes for code introduced with XDP support. First
one corrects the buffer size we populate a register with. The
register is designed to be used for scatter transfers which
the driver (and most FWs) don't support so it's not critical.
The other one for DMA direction is mostly cosmetic, DMA API
doesn't seem to care today about the precise direction in sync
calls.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Thu, 2 Mar 2017 23:26:21 +0000 (15:26 -0800)]
nfp: correct DMA direction in XDP DMA sync
dma_sync_single_for_*() takes the direction in which the buffer
was mapped, not the direction of the sync. We should sync XDP
buffers bidirectionally.
Fixes: ecd63a0217d5 ("nfp: add XDP support in the driver") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski [Thu, 2 Mar 2017 23:26:20 +0000 (15:26 -0800)]
nfp: don't tell FW about the reserved buffer space
Since commit c0f031bc8866 ("nfp_net: use alloc_frag() and build_skb()")
we are allocating buffers which have to hold both the data and skb to
be created in place by build_skb().
FW should only be told about the buffer space it can DMA to, that
is without the build_skb() headroom and tailroom. Note: firmware
applications should validate the buffers against both MTU and
free list buffer size so oversized packets would not pass through
the NIC anyway.
Fixes: c0f031bc8866 ("nfp: use alloc_frag() and build_skb()") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Changes in v5:
* Rebased to the latest code and fixed up a compile error due to the
mac_addr struct going away (found by David Miller)
Changes in v4:
* Added the udelays from the previous code (per David Miller)
Changes in v3:
* Reworked the init sequence patch to only remove the device reset if
the device is actually in reset. Given that this code doesn't bear
much resemblance to the original code, I'm changing the author of the
patch. This was tested on NS2 SVK.
Changes in v2:
* Reworked the first match to make it more obvious what portions of the
register were being preserved (Per Rafal Mileki)
* Style change to reorder the function variables in patch 2 (per Sergei
Shtylyov)
Bug fixes for bgmac driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Hari Vyas [Thu, 2 Mar 2017 22:59:57 +0000 (17:59 -0500)]
net: ethernet: bgmac: mac address change bug
ndo_set_mac_address() passes struct sockaddr * as 2nd parameter to
bgmac_set_mac_address() but code assumed u8 *. This caused two bytes
chopping and the wrong mac address was configured.
Signed-off-by: Hari Vyas <hariv@broadcom.com> Signed-off-by: Jon Mason <jon.mason@broadcom.com> Fixes: 4e209001b86 ("bgmac: write mac address to hardware in ndo_set_mac_address") Signed-off-by: David S. Miller <davem@davemloft.net>
Jon Mason [Thu, 2 Mar 2017 22:59:56 +0000 (17:59 -0500)]
net: ethernet: bgmac: init sequence bug
Fix a bug in the 'bgmac' driver init sequence that blind writes for init
sequence where it should preserve most bits other than the ones it is
deliberately manipulating.
The code now checks to see if the adapter needs to be brought out of
reset (where as before it was doing an IDM write to bring it out of
reset regardless of whether it was in reset or not). Also, removed
unnecessary usleeps (as there is already a read present to flush the
IDM writes).
Signed-off-by: Zac Schroff <zschroff@broadcom.com> Signed-off-by: Jon Mason <jon.mason@broadcom.com> Fixes: f6a95a24957 ("net: ethernet: bgmac: Add platform device support") Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 3 Mar 2017 17:36:15 +0000 (09:36 -0800)]
Merge branch 'xen-netback-fixes'
Paul Durrant says:
====================
xen-netback: update memory leak fix to avoid BUG
Commit 9a6cdf52b85e "xen-netback: fix memory leaks on XenBus disconnect"
added missing code to fix a memory leak by calling vfree() in the
appropriate place.
Unfortunately subsequent commit f16f1df65f1c "xen-netback: protect
resource cleaning on XenBus disconnect" then wrapped this call to vfree()
in a spin lock, leading to a BUG due to incorrect context.
Patch #1 makes the existing code more readable
Patch #2 fixes the problem
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch defers the vfree() until after the spinlock is released.
Reported-by: Juergen Gross <jgross@suse.com> Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 3 Mar 2017 17:29:49 +0000 (09:29 -0800)]
Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2017-03-02
This series contains fixes to ixgbe only.
Paolo fixes the driver so that you can actually update the RSS key value
via ethtool.
Alex fixes an issue on architectures that have a cache line size larger
than 64 Bytes, where the amount of headroom for the frame starts
shrinking. To take this into account, Alex adds one small check so that
we compare the max_frame to the amount of actual data we can store, so
we will automatically enable 3K receive buffers as soon as the maximum
frame size we can handle drops below the standard Ethernet MTU.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
netfilter: nf_tables: don't call nfnetlink_set_err() if nfnetlink_send() fails
The underlying nlmsg_multicast() already sets sk->sk_err for us to
notify socket overruns, so we should not do anything with this return
value. So we just call nfnetlink_set_err() if:
1) We fail to allocate the netlink message.
or
2) We don't have enough space in the netlink message to place attributes,
which means that we likely need to allocate a larger message.
Before this patch, the internal ESRCH netlink error code was propagated
to userspace, which is quite misleading. Netlink semantics mandate that
listeners just hit ENOBUFS if the socket buffer overruns.
Reported-by: Alexander Alemayhu <alexander@alemayhu.com> Tested-by: Alexander Alemayhu <alexander@alemayhu.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
netfilter: nft_set_rbtree: incorrect assumption on lower interval lookups
In case of adjacent ranges, we may indeed see either the high part of
the range in first place or the low part of it. Remove this incorrect
assumption, let's make sure we annotate the low part of the interval in
case of we have adjacent interva intervals so we hit a matching in
lookups.
Reported-by: Simon Hanisch <hanisch@wh2.tu-dresden.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
In commit 82de0be6862cd ("netfilter: Add helper array
register/unregister functions"),
struct nf_conntrack_helper sip[MAX_PORTS][4] was changed to
sip[MAX_PORTS * 4], so the memory init should have been changed to
memset(&sip[4 * i], 0, 4 * sizeof(sip[i]));
But as the sip[] table is allocated in the BSS, it is already set to 0
Ethan Zonca [Fri, 24 Feb 2017 16:27:36 +0000 (11:27 -0500)]
can: gs_usb: Don't use stack memory for USB transfers
Fixes: 05ca5270005c can: gs_usb: add ethtool set_phys_id callback to locate physical device
The gs_usb driver is performing USB transfers using buffers allocated on
the stack. This causes the driver to not function with vmapped stacks.
Instead, allocate memory for the transfer buffers.
Sachin Prabhu [Wed, 18 Jan 2017 10:05:57 +0000 (15:35 +0530)]
smb2: Enforce sec= mount option
If the security type specified using a mount option is not supported,
the SMB2 session setup code changes the security type to RawNTLMSSP. We
should instead fail the mount and return an error.
The patch changes the code for SMB2 to make it similar to the code used
for SMB1. Like in SMB1, we now use the global security flags to select
the security method to be used when no security method is specified and
to return an error when the requested auth method is not available.
For SMB2, we also use ntlmv2 as a synonym for nltmssp.
Signed-off-by: Sachin Prabhu <sprabhu@redhat.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com> Acked-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <smfrench@gmail.com>
Steve French [Thu, 2 Mar 2017 21:42:48 +0000 (15:42 -0600)]
CIFS: Fix sparse warnings
Fix two minor sparse compile check warnings
Signed-off-by: Steve French <steve.french@primarydata.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Alexander Duyck [Fri, 3 Feb 2017 17:19:40 +0000 (09:19 -0800)]
ixgbe: Limit use of 2K buffers on architectures with 256B or larger cache lines
On architectures that have a cache line size larger than 64 Bytes we start
running into issues where the amount of headroom for the frame starts
shrinking.
The size of skb_shared_info on a system with a 64B L1 cache line size is
320. This increases to 384 with a 128B cache line, and 512 with a 256B
cache line.
In addition the NET_SKB_PAD value increases as well consistent with the
cache line size. As a result when we get to a 256B cache line as seen on
the s390 we end up 768 bytes used by padding and shared info leaving us
with only 1280 bytes to use for data storage. On architectures such as
this we should default to using 3K Rx buffers out of a 8K page instead of
trying to do 1.5K buffers out of a 4K page.
To take all of this into account I have added one small check so that we
compare the max_frame to the amount of actual data we can store. This was
already occurring for igb, but I had overlooked it for ixgbe as it doesn't
have strict limits for 82599 once we enable jumbo frames. By adding this
check we will automatically enable 3K Rx buffers as soon as the maximum
frame size we can handle drops below the standard Ethernet MTU.
I also went through and fixed one small typo that I found where I had left
an IGB in a variable name due to a copy/paste error.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
David Howells [Tue, 31 Jan 2017 16:46:22 +0000 (16:46 +0000)]
statx: Add a system call to make enhanced file info available
Add a system call to make extended file information available, including
file creation and some attribute flags where available through the
underlying filesystem.
The getattr inode operation is altered to take two additional arguments: a
u32 request_mask and an unsigned int flags that indicate the
synchronisation mode. This change is propagated to the vfs_getattr*()
function.
Functions like vfs_stat() are now inline wrappers around new functions
vfs_statx() and vfs_statx_fd() to reduce stack usage.
========
OVERVIEW
========
The idea was initially proposed as a set of xattrs that could be retrieved
with getxattr(), but the general preference proved to be for a new syscall
with an extended stat structure.
A number of requests were gathered for features to be included. The
following have been included:
(1) Make the fields a consistent size on all arches and make them large.
(2) Spare space, request flags and information flags are provided for
future expansion.
(3) Better support for the y2038 problem [Arnd Bergmann] (tv_sec is an
__s64).
(4) Creation time: The SMB protocol carries the creation time, which could
be exported by Samba, which will in turn help CIFS make use of
FS-Cache as that can be used for coherency data (stx_btime).
This is also specified in NFSv4 as a recommended attribute and could
be exported by NFSD [Steve French].
(5) Lightweight stat: Ask for just those details of interest, and allow a
netfs (such as NFS) to approximate anything not of interest, possibly
without going to the server [Trond Myklebust, Ulrich Drepper, Andreas
Dilger] (AT_STATX_DONT_SYNC).
(6) Heavyweight stat: Force a netfs to go to the server, even if it thinks
its cached attributes are up to date [Trond Myklebust]
(AT_STATX_FORCE_SYNC).
And the following have been left out for future extension:
(7) Data version number: Could be used by userspace NFS servers [Aneesh
Kumar].
Can also be used to modify fill_post_wcc() in NFSD which retrieves
i_version directly, but has just called vfs_getattr(). It could get
it from the kstat struct if it used vfs_xgetattr() instead.
(There's disagreement on the exact semantics of a single field, since
not all filesystems do this the same way).
(8) BSD stat compatibility: Including more fields from the BSD stat such
as creation time (st_btime) and inode generation number (st_gen)
[Jeremy Allison, Bernd Schubert].
(9) Inode generation number: Useful for FUSE and userspace NFS servers
[Bernd Schubert].
(This was asked for but later deemed unnecessary with the
open-by-handle capability available and caused disagreement as to
whether it's a security hole or not).
(10) Extra coherency data may be useful in making backups [Andreas Dilger].
(No particular data were offered, but things like last backup
timestamp, the data version number and the DOS archive bit would come
into this category).
(11) Allow the filesystem to indicate what it can/cannot provide: A
filesystem can now say it doesn't support a standard stat feature if
that isn't available, so if, for instance, inode numbers or UIDs don't
exist or are fabricated locally...
(This requires a separate system call - I have an fsinfo() call idea
for this).
(12) Store a 16-byte volume ID in the superblock that can be returned in
struct xstat [Steve French].
(Deferred to fsinfo).
(13) Include granularity fields in the time data to indicate the
granularity of each of the times (NFSv4 time_delta) [Steve French].
(Deferred to fsinfo).
(14) FS_IOC_GETFLAGS value. These could be translated to BSD's st_flags.
Note that the Linux IOC flags are a mess and filesystems such as Ext4
define flags that aren't in linux/fs.h, so translation in the kernel
may be a necessity (or, possibly, we provide the filesystem type too).
(Some attributes are made available in stx_attributes, but the general
feeling was that the IOC flags were to ext[234]-specific and shouldn't
be exposed through statx this way).
(15) Mask of features available on file (eg: ACLs, seclabel) [Brad Boyer,
Michael Kerrisk].
(Deferred, probably to fsinfo. Finding out if there's an ACL or
seclabal might require extra filesystem operations).
(A __reserved field has been left in the statx_timestamp struct for
this - if there proves to be a need).
(17) A set multiple attributes syscall to go with this.
===============
NEW SYSTEM CALL
===============
The new system call is:
int ret = statx(int dfd,
const char *filename,
unsigned int flags,
unsigned int mask,
struct statx *buffer);
The dfd, filename and flags parameters indicate the file to query, in a
similar way to fstatat(). There is no equivalent of lstat() as that can be
emulated with statx() by passing AT_SYMLINK_NOFOLLOW in flags. There is
also no equivalent of fstat() as that can be emulated by passing a NULL
filename to statx() with the fd of interest in dfd.
Whether or not statx() synchronises the attributes with the backing store
can be controlled by OR'ing a value into the flags argument (this typically
only affects network filesystems):
(1) AT_STATX_SYNC_AS_STAT tells statx() to behave as stat() does in this
respect.
(2) AT_STATX_FORCE_SYNC will require a network filesystem to synchronise
its attributes with the server - which might require data writeback to
occur to get the timestamps correct.
(3) AT_STATX_DONT_SYNC will suppress synchronisation with the server in a
network filesystem. The resulting values should be considered
approximate.
mask is a bitmask indicating the fields in struct statx that are of
interest to the caller. The user should set this to STATX_BASIC_STATS to
get the basic set returned by stat(). It should be noted that asking for
more information may entail extra I/O operations.
buffer points to the destination for the data. This must be 256 bytes in
size.
======================
MAIN ATTRIBUTES RECORD
======================
The following structures are defined in which to return the main attribute
set:
The defined bits in request_mask and stx_mask are:
STATX_TYPE Want/got stx_mode & S_IFMT
STATX_MODE Want/got stx_mode & ~S_IFMT
STATX_NLINK Want/got stx_nlink
STATX_UID Want/got stx_uid
STATX_GID Want/got stx_gid
STATX_ATIME Want/got stx_atime{,_ns}
STATX_MTIME Want/got stx_mtime{,_ns}
STATX_CTIME Want/got stx_ctime{,_ns}
STATX_INO Want/got stx_ino
STATX_SIZE Want/got stx_size
STATX_BLOCKS Want/got stx_blocks
STATX_BASIC_STATS [The stuff in the normal stat struct]
STATX_BTIME Want/got stx_btime{,_ns}
STATX_ALL [All currently available stuff]
stx_btime is the file creation time, stx_mask is a bitmask indicating the
data provided and __spares*[] are where as-yet undefined fields can be
placed.
Time fields are structures with separate seconds and nanoseconds fields
plus a reserved field in case we want to add even finer resolution. Note
that times will be negative if before 1970; in such a case, the nanosecond
fields will also be negative if not zero.
The bits defined in the stx_attributes field convey information about a
file, how it is accessed, where it is and what it does. The following
attributes map to FS_*_FL flags and are the same numerical value:
STATX_ATTR_COMPRESSED File is compressed by the fs
STATX_ATTR_IMMUTABLE File is marked immutable
STATX_ATTR_APPEND File is append-only
STATX_ATTR_NODUMP File is not to be dumped
STATX_ATTR_ENCRYPTED File requires key to decrypt in fs
Within the kernel, the supported flags are listed by:
KSTAT_ATTR_FS_IOC_FLAGS
[Are any other IOC flags of sufficient general interest to be exposed
through this interface?]
New flags include:
STATX_ATTR_AUTOMOUNT Object is an automount trigger
These are for the use of GUI tools that might want to mark files specially,
depending on what they are.
Fields in struct statx come in a number of classes:
(0) stx_dev_*, stx_blksize.
These are local system information and are always available.
These will be returned whether the caller asks for them or not. The
corresponding bits in stx_mask will be set to indicate whether they
actually have valid values.
If the caller didn't ask for them, then they may be approximated. For
example, NFS won't waste any time updating them from the server,
unless as a byproduct of updating something requested.
If the values don't actually exist for the underlying object (such as
UID or GID on a DOS file), then the bit won't be set in the stx_mask,
even if the caller asked for the value. In such a case, the returned
value will be a fabrication.
Note that there are instances where the type might not be valid, for
instance Windows reparse points.
(2) stx_rdev_*.
This will be set only if stx_mode indicates we're looking at a
blockdev or a chardev, otherwise will be 0.
(3) stx_btime.
Similar to (1), except this will be set to 0 if it doesn't exist.
=======
TESTING
=======
The following test program can be used to test the statx system call:
samples/statx/test-statx.c
Just compile and run, passing it paths to the files you want to examine.
The file is built automatically if CONFIG_SAMPLES is enabled.
Here's some example output. Firstly, an NFS directory that crosses to
another FSID. Note that the AUTOMOUNT attribute is set because transiting
this directory will cause d_automount to be invoked by the VFS.
Linus Torvalds [Fri, 3 Mar 2017 01:41:27 +0000 (17:41 -0800)]
Merge tag 'pm-turbostat-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull turbostat utility updates from Rafael Wysocki:
"Power management turbostat utility updates.
These update turbostat significantly and in particular:
- default output is now verbose, --debug is no longer required to get
all counters. As a result, some options have been added to specify
exactly what output is wanted.
- added --quiet to skip system configuration output
- added --list, --show and --hide parameters
- added --cpu parameter
- enhanced Baytrail SoC support
- added Gemini Lake SoC support
- added sysfs C-state columns
Also the symbol definitions in arch/x86/include/asm/intel-family.h and
arch/x86/include/asm/msr-index.h are updated and the intel_idle and
intel_pstate drivers are modified to use the updated symbols.
Credits to Len Brown for all of these changes"
* tag 'pm-turbostat-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (44 commits)
tools/power turbostat: version 17.02.24
tools/power turbostat: bugfix: --add u32 was printed as u64
tools/power turbostat: show error on exec
tools/power turbostat: dump p-state software config
tools/power turbostat: show package number, even without --debug
tools/power turbostat: support "--hide C1" etc.
tools/power turbostat: move --Package and --processor into the --cpu option
tools/power turbostat: turbostat.8 update
tools/power turbostat: update --list feature
tools/power turbostat: use wide columns to display large numbers
tools/power turbostat: Add --list option to show available header names
tools/power turbostat: fix zero IRQ count shown in one-shot command mode
tools/power turbostat: add --cpu parameter
tools/power turbostat: print sysfs C-state stats
tools/power turbostat: extend --add option to accept /sys path
tools/power turbostat: skip unused counters on BDX
tools/power turbostat: fix decoding for GLM, DNV, SKX turbo-ratio limits
tools/power turbostat: skip unused counters on SKX
tools/power turbostat: Denverton: use HW CC1 counter, skip C3, C7
tools/power turbostat: initial Gemini Lake SOC support
...
Linus Torvalds [Fri, 3 Mar 2017 01:38:30 +0000 (17:38 -0800)]
Merge tag 'acpi-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"This fixes an apparent, but actually artificial, resource conflict
between the ACPI NVS memory region and the ACPI BERT (Boot Error
Record Table) address range (Huang Ying)"
* tag 'acpi-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: APEI: Fix BERT resources conflict with ACPI NVS area
Linus Torvalds [Fri, 3 Mar 2017 01:33:52 +0000 (17:33 -0800)]
Merge tag 'pm-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates deom Rafael Wysocki:
"These fix two bugs introduced by recent power management updates (in
the cpuidle menu governor and intel_pstate) and a few other issues,
clean up things and remove unused code.
Specifics:
- Fix for a cpuidle menu governor problem that started to take an
unnecessary spinlock after one of the recent updates and that did
not play well with the RT patch (Rafael Wysocki).
- Fix for the new intel_pstate operation mode switching feature added
recently that did not reinitialize P-state limits properly when
switching operation modes (Rafael Wysocki).
- Removal of unused global notifiers from the PM QoS framework
(Viresh Kumar).
- Generic power domains framework update to make it handle
asynchronous invocations of PM callbacks in the "noirq" phases of
system suspend/hibernation correctly (Ulf Hansson).
- Two hibernation core cleanups (Rafael Wysocki).
- intel_idle cleanup related to the sysfs interface (Len Brown).
- Off-by-one bug fix in the OPP (Operating Performance Points)
framework (Andrzej Hajda).
- OPP framework's documentation fix (Viresh Kumar).
- cpufreq qoriq driver cleanup (Tang Yuantian).
- Fixes for typos in comments in the device runtime PM framework
(Christophe Jaillet)"
* tag 'pm-extra-4.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / OPP: Documentation: Fix opp-microvolt in examples
intel_idle: stop exposing platform acronyms in sysfs
cpufreq: intel_pstate: Fix limits issue with operation mode switching
PM / hibernate: Define pr_fmt() and use pr_*() instead of printk()
PM / hibernate: Untangle power_down()
cpuidle: menu: Avoid taking spinlock for accessing QoS values
PM / QoS: Remove global notifiers
PM / runtime: Fix some typos
cpufreq: qoriq: clean up unused code
PM / OPP: fix off-by-one bug in dev_pm_opp_get_max_volt_latency loop
PM / Domains: Power off masters immediately in the power off sequence
PM / Domains: Rename is_async to one_dev_on for genpd_power_off()
PM / Domains: Move genpd_power_off() above genpd_power_on()
projects / mirror_ubuntu-bionic-kernel.git / log