Some flash device partitions can be containers with extra subpartitions
(volumes). All callbacks are already capable of this additional level of
indirection.
This patch makes sure we always display subpartitions using a tree
structure and takes care of deleting subpartitions when parent gets
removed.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This prepares mtd subsystem for the new feature: subpartitions. In some
cases flash device partition can be a container with extra subpartitions
(volumes).
So far there was a flat structure implemented. One master (flash device)
could be partitioned into few partitions. Every partition got its master
and it was enough to get things running.
To support subpartitions we need to store pointer to the parent for each
partition. This is required to implement more natural tree structure and
handle all recursion and offsets calculation.
To make code consistent this patch renamed "master" to the "parent" in
places where we can be dealing with subpartitions.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
When support for sysfs "offset" file was added it missed to update the
del_mtd_partitions function. It deletes partitions just like
mtd_del_partition does so both should also take care of removing sysfs
files.
This change moves sysfs_remove_files call to the shared function to fix
this issue.
Fixes: a62c24d755 ("mtd: part: Add sysfs variable for offset of partition")
Cc: Dan Ehrenberg <dehrenberg@chromium.org>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
There are two similar functions handling deletion. One handles single
partition and another the whole MTD flash device. They share (duplicate)
some code so it makes sense to add a small helper for that part.
Function del_mtd_partitions has been moved a bit to keep all deleting
stuff together.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This code is going to be reused for parsers matched using OF so let's
factor it out to make this easier.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Currently the only documented partitioning is "fixed-partitions" but
there are more methods in use that we may want to support in the future.
Mention them and make it clear Fixed Partitions are just a single case.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Rob Herring <robh@kernel.org>
erasesize is meaningful for flash devices but for SRAM there is no
concept of an erase block so erasesize is set to 0. When partitioning
these devices instead of ensuring partitions fall on erasesize
boundaries we ensure they fall on writesize boundaries.
Helped-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Write size in function write_eraseblock2 is subpgsize * k.
It is wrong to check whether written is equal to subpgsize after each
mtd_write.
Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com>
Reviewed-by: Richard Weinberger <richard@nod.at>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
The mchp23lcv1024 is similar to the mchp23k256, the differences (from a
software point of view) are the capacity of the chip and the size of the
addresses used.
There is no way to detect the specific chip so we must be told via a
Device Tree or default to mchp23k256 when device tree is not used.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Setting the of_node for the mtd device allows the generic mtd code to
setup the partitions.
[Editorial note (Brian): patch still pending on fixing up the "aligned
to eraseblock" partition sanity check, given that this SRAM has no
eraseblocks.]
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Use mtd_device_register() instead of mtd_device_parse_register() to
eliminate two unused parameters.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This allows registering of this device via a Device Tree.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
driver.
tango fixes:
* Add missing MODULE_DEVICE_TABLE() in tango_nand.c
* Update the number of corrected bitflips
core fixes:
* Fix a long standing memory leak in nand_scan_tail()
* Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
* Add a static specifier to nand_ooblayout_lp_hamming_ops definition
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Merge tag 'nand/fixes-for-4.12-rc3' of git://git.infradead.org/linux-mtd into MTD
From Boris:
"""
This pull request contains several fixes to the core and the tango
driver.
tango fixes:
* Add missing MODULE_DEVICE_TABLE() in tango_nand.c
* Update the number of corrected bitflips
core fixes:
* Fix a long standing memory leak in nand_scan_tail()
* Fix several bugs introduced by the per-vendor init/detection
infrastructure (introduced in 4.12)
* Add a static specifier to nand_ooblayout_lp_hamming_ops definition
"""
nand_ooblayout_lp_hamming_ops can be made static as it does not need to be
in global scope.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
According to Boris, some user-space tools expect MTD drivers to
update ecc_stats.corrected, and it's better to provide a lower
bound than to provide no information at all.
Fixes: 6956e2385a ("mtd: nand: add tango NAND flash controller support")
Cc: stable@vger.kernel.org
Reported-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
The device table is required to load modules based on
modaliases. After adding MODULE_DEVICE_TABLE, below entries
for example will be added to module.alias:
alias: of:N*T*Csigma,smp8758-nandC*
alias: of:N*T*Csigma,smp8758-nand
Fixes: 6956e2385a ("mtd: nand: add tango NAND flash controller support")
Cc: stable@vger.kernel.org
Signed-off-by: Andres Galacho <andresgalacho@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
We don't handle cases larger than 7. We probably shouldn't pretend we
know the ECC step size in this case, and it's probably also good to
WARN() like we do in many other similar cases.
Fixes: 8fc82d456e ("mtd: nand: samsung: Retrieve ECC requirements from extended ID")
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
If we fail any time after calling nand_detect(), then we don't call the
vendor-specific ->cleanup() callback, and we'll leak any resources the
vendor-specific code might have allocated.
Mark the "fix" against the first commit that started allocating anything
in ->init().
Fixes: 626994e074 ("mtd: nand: hynix: Add read-retry support for 1x nm MLC NANDs")
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
nand_ids isn't a separate module anymore and doesn't need this header.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
This bug seems to have been here forever, although we came close to
fixing all of them in [1]!
[1] 11eaf6df1c ("mtd: nand: Remove BUG() abuse in nand_scan_tail")
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
The code to fetch a 64-bit value from user space was entirely buggered,
and has been since the code was merged in early 2016 in commit
b2f680380d ("x86/mm/32: Add support for 64-bit __get_user() on 32-bit
kernels").
Happily the buggered routine is almost certainly entirely unused, since
the normal way to access user space memory is just with the non-inlined
"get_user()", and the inlined version didn't even historically exist.
The normal "get_user()" case is handled by external hand-written asm in
arch/x86/lib/getuser.S that doesn't have either of these issues.
There were two independent bugs in __get_user_asm_u64():
- it still did the STAC/CLAC user space access marking, even though
that is now done by the wrapper macros, see commit 11f1a4b975
("x86: reorganize SMAP handling in user space accesses").
This didn't result in a semantic error, it just means that the
inlined optimized version was hugely less efficient than the
allegedly slower standard version, since the CLAC/STAC overhead is
quite high on modern Intel CPU's.
- the double register %eax/%edx was marked as an output, but the %eax
part of it was touched early in the asm, and could thus clobber other
inputs to the asm that gcc didn't expect it to touch.
In particular, that meant that the generated code could look like
this:
mov (%eax),%eax
mov 0x4(%eax),%edx
where the load of %edx obviously was _supposed_ to be from the 32-bit
word that followed the source of %eax, but because %eax was
overwritten by the first instruction, the source of %edx was
basically random garbage.
The fixes are trivial: remove the extraneous STAC/CLAC entries, and mark
the 64-bit output as early-clobber to let gcc know that no inputs should
alias with the output register.
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Benjamin LaHaise <bcrl@kvack.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: stable@kernel.org # v4.8+
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Al noticed that unsafe_put_user() had type problems, and fixed them in
commit a7cc722fff ("fix unsafe_put_user()"), which made me look more
at those functions.
It turns out that unsafe_get_user() had a type issue too: it limited the
largest size of the type it could handle to "unsigned long". Which is
fine with the current users, but doesn't match our existing normal
get_user() semantics, which can also handle "u64" even when that does
not fit in a long.
While at it, also clean up the type cast in unsafe_put_user(). We
actually want to just make it an assignment to the expected type of the
pointer, because we actually do want warnings from types that don't
convert silently. And it makes the code more readable by not having
that one very long and complex line.
[ This patch might become stable material if we ever end up back-porting
any new users of the unsafe uaccess code, but as things stand now this
doesn't matter for any current existing uses. ]
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull misc uaccess fixes from Al Viro:
"Fix for unsafe_put_user() (no callers currently in mainline, but
anyone starting to use it will step into that) + alpha osf_wait4()
infoleak fix"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
osf_wait4(): fix infoleak
fix unsafe_put_user()
Pull scheduler fix from Thomas Gleixner:
"A single scheduler fix:
Prevent idle task from ever being preempted. That makes sure that
synchronize_rcu_tasks() which is ignoring idle task does not pretend
that no task is stuck in preempted state. If that happens and idle was
preempted on a ftrace trampoline the machine crashes due to
inconsistent state"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Call __schedule() from do_idle() without enabling preemption
Pull irq fixes from Thomas Gleixner:
"A set of small fixes for the irq subsystem:
- Cure a data ordering problem with chained interrupts
- Three small fixlets for the mbigen irq chip"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix chained interrupt data ordering
irqchip/mbigen: Fix the clear register offset calculation
irqchip/mbigen: Fix potential NULL dereferencing
irqchip/mbigen: Fix memory mapping code
__put_user_size() relies upon its first argument having the same type as what
the second one points to; the only other user makes sure of that and
unsafe_put_user() should do the same.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
when deleting an instance. It also creates a selftest that triggers that bug.
Fix the delayed optimization happening after kprobes boot up self tests
being removed by freeing of init memory.
Comment kprobes on why the delay optimization is not a problem for removal
of modules, to keep other developers from searching that riddle.
Fix another rcu isn't watching in stack trace tracing.
Naveen N. Rao (4):
ftrace: Simplify glob handling in unregister_ftrace_function_probe_func()
ftrace/instances: Clear function triggers when removing instances
selftests/ftrace: Fix bashisms
selftests/ftrace: Add test to remove instance with active event triggers
Steven Rostedt (1):
tracing: Move postpone selftests to core from early_initcall
Steven Rostedt (VMware) (3):
ftrace: Remove #ifdef from code and add clear_ftrace_function_probes() stub
kprobes: Document how optimized kprobes are removed from module unload
tracing: Make sure RCU is watching before calling a stack trace
Thomas Gleixner (1):
tracing/kprobes: Enforce kprobes teardown after testing
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Merge tag 'trace-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix a bug caused by not cleaning up the new instance unique triggers
when deleting an instance. It also creates a selftest that triggers
that bug.
- Fix the delayed optimization happening after kprobes boot up self
tests being removed by freeing of init memory.
- Comment kprobes on why the delay optimization is not a problem for
removal of modules, to keep other developers from searching that
riddle.
- Fix another case of rcu not watching in stack trace tracing.
* tag 'trace-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Make sure RCU is watching before calling a stack trace
kprobes: Document how optimized kprobes are removed from module unload
selftests/ftrace: Add test to remove instance with active event triggers
selftests/ftrace: Fix bashisms
ftrace: Remove #ifdef from code and add clear_ftrace_function_probes() stub
ftrace/instances: Clear function triggers when removing instances
ftrace: Simplify glob handling in unregister_ftrace_function_probe_func()
tracing/kprobes: Enforce kprobes teardown after testing
tracing: Move postpone selftests to core from early_initcall
Pull block fixes from Jens Axboe:
"A small collection of fixes that should go into this cycle.
- a pull request from Christoph for NVMe, which ended up being
manually applied to avoid pulling in newer bits in master. Mostly
fibre channel fixes from James, but also a few fixes from Jon and
Vijay
- a pull request from Konrad, with just a single fix for xen-blkback
from Gustavo.
- a fuseblk bdi fix from Jan, fixing a regression in this series with
the dynamic backing devices.
- a blktrace fix from Shaohua, replacing sscanf() with kstrtoull().
- a request leak fix for drbd from Lars, fixing a regression in the
last series with the kref changes. This will go to stable as well"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvmet: release the sq ref on rdma read errors
nvmet-fc: remove target cpu scheduling flag
nvme-fc: stop queues on error detection
nvme-fc: require target or discovery role for fc-nvme targets
nvme-fc: correct port role bits
nvme: unmap CMB and remove sysfs file in reset path
blktrace: fix integer parse
fuseblk: Fix warning in super_setup_bdi_name()
block: xen-blkback: add null check to avoid null pointer dereference
drbd: fix request leak introduced by locking/atomic, kref: Kill kref_sub()
On rdma read errors, release the sq ref that was taken
when the req was initialized. This avoids a hang in
nvmet_sq_destroy() when the queue is being freed.
Signed-off-by: Vijay Immanuel <vijayi@attalasystems.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Per the recommendation by Sagi on:
http://lists.infradead.org/pipermail/linux-nvme/2017-April/009261.html
Rather than waiting for reset work thread to stop queues and abort the ios,
immediately stop the queues on error detection. Reset thread will restop
the queues (as it's called on other paths), but it does not appear to have
a side effect.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
In order to create an association, the remoteport must be
serving either a target role or a discovery role.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
FC Port roles is a bit mask, not individual values.
Correct nvme definitions to unique bits.
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
CMB doesn't get unmapped until removal while getting remapped on every
reset. Add the unmapping and sysfs file removal to the reset path in
nvme_pci_disable to match the mapping path in nvme_pci_enable.
Fixes: 202021c1a ("nvme : Add sysfs entry for NVMe CMBs when appropriate")
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Reviewed-By: Stephen Bates <sbates@raithlin.com>
Cc: <stable@vger.kernel.org> # 4.9+
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Here are a number of staging driver fixes for 4.12-rc2
Most of them are typec driver fixes found by reviewers and users of the
code. There are also some removals of files no longer needed in the
tree due to the ion driver rewrite in 4.12-rc1, as well as some wifi
driver fixes. And to round it out, a MAINTAINERS file update.
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-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are a number of staging driver fixes for 4.12-rc2
Most of them are typec driver fixes found by reviewers and users of
the code. There are also some removals of files no longer needed in
the tree due to the ion driver rewrite in 4.12-rc1, as well as some
wifi driver fixes. And to round it out, a MAINTAINERS file update.
All have been in linux-next with no reported issues"
* tag 'staging-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (22 commits)
MAINTAINERS: greybus-dev list is members-only
staging: fsl-dpaa2/eth: add ETHERNET dependency
staging: typec: fusb302: refactor resume retry mechanism
staging: typec: fusb302: reset i2c_busy state in error
staging: rtl8723bs: remove re-positioned call to kfree in os_dep/ioctl_cfg80211.c
staging: rtl8192e: GetTs Fix invalid TID 7 warning.
staging: rtl8192e: rtl92e_get_eeprom_size Fix read size of EPROM_CMD.
staging: rtl8192e: fix 2 byte alignment of register BSSIDR.
staging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory.
staging: vc04_services: Fix bulk cache maintenance
staging: ccree: remove extraneous spin_unlock_bh() in error handler
staging: typec: Fix sparse warnings about incorrect types
staging: typec: fusb302: do not free gpio from managed resource
staging: typec: tcpm: Fix Port Power Role field in PS_RDY messages
staging: typec: tcpm: Respond to Discover Identity commands
staging: typec: tcpm: Set correct flags in PD request messages
staging: typec: tcpm: Drop duplicate PD messages
staging: typec: fusb302: Fix chip->vbus_present init value
staging: typec: fusb302: Fix module autoload
staging: typec: tcpci: declare private structure as static
...
Here are a number of small USB fixes for 4.12-rc2
Most of them come from Johan, in his valiant quest to fix up all drivers
that could be affected by "malicious" USB devices. There's also some
fixes for more "obscure" drivers to handle some of the vmalloc stack
fallout (which for USB drivers, was always the case, but very few people
actually ran those systems...)
Other than that, the normal set of xhci and gadget and musb driver fixes
as well.
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 'usb-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of small USB fixes for 4.12-rc2
Most of them come from Johan, in his valiant quest to fix up all
drivers that could be affected by "malicious" USB devices. There's
also some fixes for more "obscure" drivers to handle some of the
vmalloc stack fallout (which for USB drivers, was always the case, but
very few people actually ran those systems...)
Other than that, the normal set of xhci and gadget and musb driver
fixes as well.
All have been in linux-next with no reported issues"
* tag 'usb-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (42 commits)
usb: musb: tusb6010_omap: Do not reset the other direction's packet size
usb: musb: Fix trying to suspend while active for OTG configurations
usb: host: xhci-plat: propagate return value of platform_get_irq()
xhci: Fix command ring stop regression in 4.11
xhci: remove GFP_DMA flag from allocation
USB: xhci: fix lock-inversion problem
usb: host: xhci-ring: don't need to clear interrupt pending for MSI enabled hcd
usb: host: xhci-mem: allocate zeroed Scratchpad Buffer
xhci: apply PME_STUCK_QUIRK and MISSING_CAS quirk for Denverton
usb: xhci: trace URB before giving it back instead of after
USB: serial: qcserial: add more Lenovo EM74xx device IDs
USB: host: xhci: use max-port define
USB: hub: fix SS max number of ports
USB: hub: fix non-SS hub-descriptor handling
USB: hub: fix SS hub-descriptor handling
USB: usbip: fix nonconforming hub descriptor
USB: gadget: dummy_hcd: fix hub-descriptor removable fields
doc-rst: fixed kernel-doc directives in usb/typec.rst
USB: core: of: document reference taken by companion helper
USB: ehci-platform: fix companion-device leak
...
Here are 5 small bugfixes for reported issues with 4.12-rc1 and earlier
kernels. Nothing huge here, just a lp, mem, vpd, and uio driver fix,
along with a Kconfig fixup for one of the misc drivers.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are five small bugfixes for reported issues with 4.12-rc1 and
earlier kernels. Nothing huge here, just a lp, mem, vpd, and uio
driver fix, along with a Kconfig fixup for one of the misc drivers.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
firmware: Google VPD: Fix memory allocation error handling
drivers: char: mem: Check for address space wraparound with mmap()
uio: fix incorrect memory leak cleanup
misc: pci_endpoint_test: select CRC32
char: lp: fix possible integer overflow in lp_setup()
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Merge tag 'drm-fixes-for-v4.12-rc2' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Mostly nouveau and i915, fairly quiet as usual for rc2"
* tag 'drm-fixes-for-v4.12-rc2' of git://people.freedesktop.org/~airlied/linux:
drm/atmel-hlcdc: Fix output initialization
gpu: host1x: select IOMMU_IOVA
drm/nouveau/fifo/gk104-: Silence a locking warning
drm/nouveau/secboot: plug memory leak in ls_ucode_img_load_gr() error path
drm/nouveau: Fix drm poll_helper handling
drm/i915: don't do allocate_va_range again on PIN_UPDATE
drm/i915: Fix rawclk readout for g4x
drm/i915: Fix runtime PM for LPE audio
drm/i915/glk: Fix DSI "*ERROR* ULPS is still active" messages
drm/i915/gvt: avoid unnecessary vgpu switch
drm/i915/gvt: not to restore in-context mmio
drm/etnaviv: don't put fence in case of submit failure
drm/i915/gvt: fix typo: "supporte" -> "support"
drm: hdlcd: Fix the calculation of the scanout start address
This is the first sweep of mostly minor fixes. There's one security
one: the read past the end of a buffer in qedf, and a panic fix for
lpfc SLI-3 adapters, but the rest are a set of include and build
dependency tidy ups and assorted other small fixes and updates.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is the first sweep of mostly minor fixes. There's one security
one: the read past the end of a buffer in qedf, and a panic fix for
lpfc SLI-3 adapters, but the rest are a set of include and build
dependency tidy ups and assorted other small fixes and updates"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: pmcraid: remove redundant check to see if request_size is less than zero
scsi: lpfc: ensure els_wq is being checked before destroying it
scsi: cxlflash: Select IRQ_POLL
scsi: qedf: Avoid reading past end of buffer
scsi: qedf: Cleanup the type of io_log->op
scsi: lpfc: double lock typo in lpfc_ns_rsp()
scsi: qedf: properly update arguments position in function call
scsi: scsi_lib: Add #include <scsi/scsi_transport.h>
scsi: MAINTAINERS: update OSD entries
scsi: Skip deleted devices in __scsi_device_lookup
scsi: lpfc: Fix panic on BFS configuration
scsi: libfc: do not flood console with messages 'libfc: queue full ...'
Pull libnvdimm fixes from Dan Williams:
"A couple of compile fixes.
With the removal of the ->direct_access() method from
block_device_operations in favor of a new dax_device + dax_operations
we broke two configurations.
The CONFIG_BLOCK=n case is fixed by compiling out the block+dax
helpers in the dax core. Configurations with FS_DAX=n EXT4=y / XFS=y
and DAX=m fail due to the helpers the builtin filesystem needs being
in a module, so we stub out the helpers in the FS_DAX=n case."
* 'libnvdimm-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax, xfs, ext4: compile out iomap-dax paths in the FS_DAX=n case
dax: fix false CONFIG_BLOCK dependency
Pull i2c fix from Wolfram Sang:
"A regression fix for I2C that would be great to have in rc2"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: designware: don't infer timings described by ACPI from clock rate
Including:
* Another compile-fix as a fallout of the recent header-file
cleanup
* Add a missing IO/TLB flush to the Intel VT-d kdump code path
* A fix for ARM64 dma code to only access initialized
iova_domain members
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Merge tag 'iommu-fixes-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- another compile-fix as a fallout of the recent header-file cleanup
- add a missing IO/TLB flush to the Intel VT-d kdump code path
- a fix for ARM64 dma code to only access initialized iova_domain
members
* tag 'iommu-fixes-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/mediatek: Include linux/dma-mapping.h
iommu/vt-d: Flush the IOTLB to get rid of the initial kdump mappings
iommu/dma: Don't touch invalid iova_domain members
ARM:
- A fix for a build failure introduced in -rc1 when tracepoints are
enabled on 32-bit ARM.
- Disabling use of stack pointer protection in the hyp code which can
cause panics.
- A handful of VGIC fixes.
- A fix to the init of the redistributors on GICv3 systems that
prevented boot with kvmtool on GICv3 systems introduced in -rc1.
- A number of race conditions fixed in our MMU handling code.
- A fix for the guest being able to program the debug extensions for
the host on the 32-bit side.
PPC:
- Fixes for build failures with PR KVM configurations.
- A fix for a host crash that can occur on POWER9 with radix guests.
x86:
- Fixes for nested PML and nested EPT.
- A fix for crashes caused by reserved bits in SSE MXCSR that could
have been set by userspace.
- An optimization of halt polling that fixes high CPU overhead.
- Fixes for four reports from Dan Carpenter's static checker.
- A protection around code that shouldn't have been preemptible.
- A fix for port IO emulation.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"ARM:
- a fix for a build failure introduced in -rc1 when tracepoints are
enabled on 32-bit ARM.
- disable use of stack pointer protection in the hyp code which can
cause panics.
- a handful of VGIC fixes.
- a fix to the init of the redistributors on GICv3 systems that
prevented boot with kvmtool on GICv3 systems introduced in -rc1.
- a number of race conditions fixed in our MMU handling code.
- a fix for the guest being able to program the debug extensions for
the host on the 32-bit side.
PPC:
- fixes for build failures with PR KVM configurations.
- a fix for a host crash that can occur on POWER9 with radix guests.
x86:
- fixes for nested PML and nested EPT.
- a fix for crashes caused by reserved bits in SSE MXCSR that could
have been set by userspace.
- an optimization of halt polling that fixes high CPU overhead.
- fixes for four reports from Dan Carpenter's static checker.
- a protection around code that shouldn't have been preemptible.
- a fix for port IO emulation"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (27 commits)
KVM: x86: prevent uninitialized variable warning in check_svme()
KVM: x86/vPMU: fix undefined shift in intel_pmu_refresh()
KVM: x86: zero base3 of unusable segments
KVM: X86: Fix read out-of-bounds vulnerability in kvm pio emulation
KVM: x86: Fix potential preemption when get the current kvmclock timestamp
KVM: Silence underflow warning in avic_get_physical_id_entry()
KVM: arm/arm64: Hold slots_lock when unregistering kvm io bus devices
KVM: arm/arm64: Fix bug when registering redist iodevs
KVM: x86: lower default for halt_poll_ns
kvm: arm/arm64: Fix use after free of stage2 page table
kvm: arm/arm64: Force reading uncached stage2 PGD
KVM: nVMX: fix EPT permissions as reported in exit qualification
KVM: VMX: Don't enable EPT A/D feature if EPT feature is disabled
KVM: x86: Fix load damaged SSEx MXCSR register
kvm: nVMX: off by one in vmx_write_pml_buffer()
KVM: arm: rename pm_fake handler to trap_raz_wi
KVM: arm: plug potential guest hardware debug leakage
kvm: arm/arm64: Fix race in resetting stage2 PGD
KVM: arm/arm64: vgic-v3: Use PREbits to infer the number of ICH_APxRn_EL2 registers
KVM: arm/arm64: vgic-v3: Do not use Active+Pending state for a HW interrupt
...
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Merge tag 'for-linus-4.12b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Some fixes for the new Xen 9pfs frontend and some minor cleanups"
* tag 'for-linus-4.12b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: make xen_flush_tlb_all() static
xen: cleanup pvh leftovers from pv-only sources
xen/9pfs: p9_trans_xen_init and p9_trans_xen_exit can be static
xen/9pfs: fix return value check in xen_9pfs_front_probe()
We had a small batch of fixes before -rc1, but here is a larger one. It
contains a backmerge of 4.12-rc1 since some of the downstream branches we
merge had that as base; at the same time we already had merged contents
before -rc1 and rebase wasn't the right solution.
A mix of random smaller fixes and a few things worth pointing out:
- We've started telling people to avoid cross-tree shared branches if all
they're doing is picking up one or two DT-used constants from a
shared include file, and instead to use the numeric values on first
submission. Follow-up moving over to symbolic names are sent in right
after -rc1, i.e. here. It's only a few minor patches of this type.
- Linus Walleij and others are resurrecting the 'Gemini' platform, and
wanted a cut-down platform-specific defconfig for it. So I picked that
up for them.
- Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it helps
people to prepare patches since it's a pain when defconfig and current
savedefconfig contents differs too much.
- Devicetree additions for some pinctrl drivers for Armada that were
merged this window. I'd have preferred to see those earlier but it's not
a huge deail.
The biggest change worth pointing out though since it's touching other
parts of the tree: We added prefixes to be used when cross-including
DT contents between arm64 and arm, allowing someone to #include
<arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
resulted in a recursive symlink.
Instead, I've now moved it out of arch/*/boot/dts/include, into a shared
location under scripts/dtc. While I was at it, I consolidated so all
architectures now behave the same way in this manner.
Rob Herring (DT maintainer) has acked it. I cc:d most other arch
maintainers but nobody seems to care much; it doesn't really affect them
since functionality is unchanged for them by default.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We had a small batch of fixes before -rc1, but here is a larger one.
It contains a backmerge of 4.12-rc1 since some of the downstream
branches we merge had that as base; at the same time we already had
merged contents before -rc1 and rebase wasn't the right solution.
A mix of random smaller fixes and a few things worth pointing out:
- We've started telling people to avoid cross-tree shared branches if
all they're doing is picking up one or two DT-used constants from a
shared include file, and instead to use the numeric values on first
submission. Follow-up moving over to symbolic names are sent in
right after -rc1, i.e. here. It's only a few minor patches of this
type.
- Linus Walleij and others are resurrecting the 'Gemini' platform,
and wanted a cut-down platform-specific defconfig for it. So I
picked that up for them.
- Rob Herring ran 'savedefconfig' on arm64, it's a bit churny but it
helps people to prepare patches since it's a pain when defconfig
and current savedefconfig contents differs too much.
- Devicetree additions for some pinctrl drivers for Armada that were
merged this window. I'd have preferred to see those earlier but
it's not a huge deail.
The biggest change worth pointing out though since it's touching other
parts of the tree: We added prefixes to be used when cross-including
DT contents between arm64 and arm, allowing someone to #include
<arm/foo.dtsi> from arm64, and likewise. As part of that, we needed
arm/foo.dtsi to work on arm as well. The way I suggested this to Heiko
resulted in a recursive symlink.
Instead, I've now moved it out of arch/*/boot/dts/include, into a
shared location under scripts/dtc. While I was at it, I consolidated
so all architectures now behave the same way in this manner.
Rob Herring (DT maintainer) has acked it. I cc:d most other arch
maintainers but nobody seems to care much; it doesn't really affect
them since functionality is unchanged for them by default"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
arm64: dts: rockchip: fix include reference
firmware: ti_sci: fix strncat length check
ARM: remove duplicate 'const' annotations'
arm64: defconfig: enable options needed for QCom DB410c board
arm64: defconfig: sync with savedefconfig
ARM: configs: add a gemini defconfig
devicetree: Move include prefixes from arch to separate directory
ARM: dts: dra7: Reduce cpu thermal shutdown temperature
memory: omap-gpmc: Fix debug output for access width
ARM: dts: LogicPD Torpedo: Fix camera pin mux
ARM: dts: omap4: enable CEC pin for Pandaboard A4 and ES
ARM: dts: gta04: fix polarity of clocks for mcbsp4
ARM: dts: dra7: Add power hold and power controller properties to palmas
soc: imx: add PM dependency for IMX7_PM_DOMAINS
ARM: dts: imx6sx-sdb: Remove OPP override
ARM: dts: imx53-qsrb: Pulldown PMIC IRQ pin
soc: bcm: brcmstb: Correctly match 7435 SoC
tee: add ARM_SMCCC dependency
ARM: omap2+: make omap4_get_cpu1_ns_pa_addr declaration usable
ARM64: dts: mediatek: configure some fixed mmc parameters
...
