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struct kiocb now is a generic I/O container, so move it to fs.h.
Also do a #include diet for aio.h while we're at it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Most callers in the kernel want to perform synchronous file I/O, but
still have to bloat the stack with a full struct kiocb. Split out
the parts needed in filesystem code from those in the aio code, and
only allocate those needed to pass down argument on the stack. The
aio code embedds the generic iocb in the one it allocates and can
easily get back to it by using container_of.
Also add a ->ki_complete method to struct kiocb, this is used to call
into the aio code and thus removes the dependency on aio for filesystems
impementing asynchronous operations. It will also allow other callers
to substitute their own completion callback.
We also add a new ->ki_flags field to work around the nasty layering
violation recently introduced in commit 5e33f6 ("usb: gadget: ffs: add
eventfd notification about ffs events").
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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... for ep0 as well
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Final methods start with get_ready_ep(), which will fail unless we have
->state == STATE_EP_ENABLED. So they'd be failing just fine until that
first write() anyway. Let's do the following:
* get_ready_ep() gets a new argument - true when called from
ep_write_iter(), false otherwise.
* make it quiet when it finds STATE_EP_READY (no printk, that is;
the case won't be impossible after that change).
* when that new argument is true, treat STATE_EP_READY the same
way as STATE_EP_ENABLED (i.e. return zero and do not unlock).
* in ep_write_iter(), after success of get_ready_ep() turn
if (!usb_endpoint_dir_in(&epdata->desc)) {
into
if (epdata->state == STATE_EP_ENABLED &&
!usb_endpoint_dir_in(&epdata->desc)) {
- that logics only applies after config.
* have ep_config() take kernel-side buffer (i.e. use memcpy()
instead of copy_from_user() in there) and in the "let's call ep_io or
ep_aio" (again, in ep_write_iter()) add "... or ep_config() in case it's
not configured yet"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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AIO_PREAD requests call ->aio_read() with iovec on caller's stack, so if
we are going to access it asynchronously, we'd better get ourselves
a copy - the one on kernel stack of aio_run_iocb() won't be there
anymore. function/f_fs.c take care of doing that, legacy/inode.c
doesn't...
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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both on aio and non-aio sides
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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If ffs_epfile_io() fails in AIO case, we end up leaking io_data
(and iovec_copy in case of AIO read).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Pull networking updates from David Miller:
1) Missing netlink attribute validation in nft_lookup, from Patrick
McHardy.
2) Restrict ipv6 partial checksum handling to UDP, since that's the
only case it works for. From Vlad Yasevich.
3) Clear out silly device table sentinal macros used by SSB and BCMA
drivers. From Joe Perches.
4) Make sure the remote checksum code never creates a situation where
the remote checksum is applied yet the tunneling metadata describing
the remote checksum transformation is still present. Otherwise an
external entity might see this and apply the checksum again. From
Tom Herbert.
5) Use msecs_to_jiffies() where applicable, from Nicholas Mc Guire.
6) Don't explicitly initialize timer struct fields, use setup_timer()
and mod_timer() instead. From Vaishali Thakkar.
7) Don't invoke tg3_halt() without the tp->lock held, from Jun'ichi
Nomura.
8) Missing __percpu annotation in ipvlan driver, from Eric Dumazet.
9) Don't potentially perform skb_get() on shared skbs, also from Eric
Dumazet.
10) Fix COW'ing of metrics for non-DST_HOST routes in ipv6, from Martin
KaFai Lau.
11) Fix merge resolution error between the iov_iter changes in vhost and
some bug fixes that occurred at the same time. From Jason Wang.
12) If rtnl_configure_link() fails we have to perform a call to
->dellink() before unregistering the device. From WANG Cong.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (39 commits)
net: dsa: Set valid phy interface type
rtnetlink: call ->dellink on failure when ->newlink exists
com20020-pci: add support for eae single card
vhost_net: fix wrong iter offset when setting number of buffers
net: spelling fixes
net/core: Fix warning while make xmldocs caused by dev.c
net: phy: micrel: disable NAND-tree for KSZ8021, KSZ8031, KSZ8051, KSZ8081
ipv6: fix ipv6_cow_metrics for non DST_HOST case
openvswitch: Fix key serialization.
r8152: restore hw settings
hso: fix rx parsing logic when skb allocation fails
tcp: make sure skb is not shared before using skb_get()
bridge: netfilter: Move sysctl-specific error code inside #ifdef
ipv6: fix possible deadlock in ip6_fl_purge / ip6_fl_gc
ipvlan: add a missing __percpu pcpu_stats
tg3: Hold tp->lock before calling tg3_halt() from tg3_init_one()
bgmac: fix device initialization on Northstar SoCs (condition typo)
qlcnic: Delete existing multicast MAC list before adding new
net/mlx5_core: Fix configuration of log_uar_page_sz
sunvnet: don't change gso data on clones
...
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Pull md bugfixes from Neil Brown:
"Three bug md fixes for 3.20
yet-another-livelock in raid5, and a problem with write errors to
4K-block devices"
* tag 'md/3.20-fixes' of git://neil.brown.name/md:
md/raid5: Fix livelock when array is both resyncing and degraded.
md/raid10: round up to bdev_logical_block_size in narrow_write_error.
md/raid1: round up to bdev_logical_block_size in narrow_write_error
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Commit a7854487cd7128a30a7f4f5259de9f67d5efb95f:
md: When RAID5 is dirty, force reconstruct-write instead of read-modify-write.
Causes an RCW cycle to be forced even when the array is degraded.
A degraded array cannot support RCW as that requires reading all data
blocks, and one may be missing.
Forcing an RCW when it is not possible causes a live-lock and the code
spins, repeatedly deciding to do something that cannot succeed.
So change the condition to only force RCW on non-degraded arrays.
Reported-by: Manibalan P <pmanibalan@amiindia.co.in>
Bisected-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Tested-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Fixes: a7854487cd7128a30a7f4f5259de9f67d5efb95f
Cc: stable@vger.kernel.org (v3.7+)
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Pull debugfs patches from Al Viro:
"debugfs patches, mostly to make it possible for something like tracefs
to be transparently automounted on given directory in debugfs.
New primitive in there is debugfs_create_automount(name, parent, func,
arg), which creates a directory and makes its ->d_automount() return
func(arg). Another missing primitive was debugfs_create_file_size() -
open-coded in quite a few places. Dave's patch adds it and converts
the open-code instances to calling it"
* 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
debugfs: Provide a file creation function that also takes an initial size
new primitive: debugfs_create_automount()
debugfs: split end_creating() into success and failure cases
debugfs: take mode-dependent parts of debugfs_get_inode() into callers
fold debugfs_mknod() into callers
fold debugfs_create() into caller
fold debugfs_mkdir() into caller
debugfs_mknod(): get rid useless arguments
fold debugfs_link() into caller
debugfs: kill __create_file()
debugfs: split the beginning and the end of __create_file() off
debugfs_{mkdir,create,link}(): get rid of redundant argument
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Pull misc VFS updates from Al Viro:
"This cycle a lot of stuff sits on topical branches, so I'll be sending
more or less one pull request per branch.
This is the first pile; more to follow in a few. In this one are
several misc commits from early in the cycle (before I went for
separate branches), plus the rework of mntput/dput ordering on umount,
switching to use of fs_pin instead of convoluted games in
namespace_unlock()"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
switch the IO-triggering parts of umount to fs_pin
new fs_pin killing logics
allow attaching fs_pin to a group not associated with some superblock
get rid of the second argument of acct_kill()
take count and rcu_head out of fs_pin
dcache: let the dentry count go down to zero without taking d_lock
pull bumping refcount into ->kill()
kill pin_put()
mode_t whack-a-mole: chelsio
file->f_path.dentry is pinned down for as long as the file is open...
get rid of lustre_dump_dentry()
gut proc_register() a bit
kill d_validate()
ncpfs: get rid of d_validate() nonsense
selinuxfs: don't open-code d_genocide()
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Pull suspend-to-idle updates from Rafael Wysocki:
"Suspend-to-idle timer quiescing support for v3.20-rc1
Until now suspend-to-idle has not been able to save much more energy
than runtime PM because of timer interrupts that periodically bring
CPUs out of idle while they are waiting for a wakeup interrupt. Of
course, the timer interrupts are not wakeup ones, so the handling of
them can be deferred until a real wakeup interrupt happens, but at the
same time we don't want to mass-expire timers at that point.
The solution is to suspend the entire timekeeping when the last CPU is
entering an idle state and resume it when the first CPU goes out of
idle. That has to be done with care, though, so as to avoid accessing
suspended clocksources etc. end we need extra support from idle
drivers for that.
This series of commits adds support for quiescing timers during
suspend-to-idle and adds the requisite callbacks to intel_idle and the
ACPI cpuidle driver"
* tag 'suspend-to-idle-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / idle: Implement ->enter_freeze callback routine
intel_idle: Add ->enter_freeze callbacks
PM / sleep: Make it possible to quiesce timers during suspend-to-idle
timekeeping: Make it safe to use the fast timekeeper while suspended
timekeeping: Pass readout base to update_fast_timekeeper()
PM / sleep: Re-implement suspend-to-idle handling
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Pull security subsystem fixes from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
Don't leak a key reference if request_key() tries to use a revoked keyring
Added Little Endian support to vtpm module
tpm, tpm_tis: fix TPM 2.0 probing
tpm: fix suspend/resume paths for TPM 2.0
Smack: secmark connections
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Pull ARM SoC driver updates from Olof Johansson:
"These are changes for drivers that are intimately tied to some SoC and
for some reason could not get merged through the respective subsystem
maintainer tree.
This time around, much of this is for at91, with the bulk of it being
syscon and udc drivers.
Also, there's:
- coupled cpuidle support for Samsung Exynos4210
- Renesas 73A0 common-clk work
- of/platform changes to tear down DMA mappings on device destruction
- a few updates to the TI Keystone knav code"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
cpuidle: exynos: add coupled cpuidle support for exynos4210
ARM: EXYNOS: apply S5P_CENTRAL_SEQ_OPTION fix only when necessary
soc: ti: knav_qmss_queue: change knav_range_setup_acc_irq to static
soc: ti: knav_qmss_queue: makefile tweak to build as dynamic module
pcmcia: at91_cf: depend on !ARCH_MULTIPLATFORM
soc: ti: knav_qmss_queue: export API calls for use by user driver
of/platform: teardown DMA mappings on device destruction
usb: gadget: at91_udc: Allocate udc instance
usb: gadget: at91_udc: Update DT binding documentation
usb: gadget: at91_udc: Rework for multi-platform kernel support
usb: gadget: at91_udc: Simplify probe and remove functions
usb: gadget: at91_udc: Remove non-DT handling code
usb: gadget: at91_udc: Document DT clocks and clock-names property
usb: gadget: at91_udc: Drop uclk clock
usb: gadget: at91_udc: Fix clock names
mfd: syscon: Add Atmel SMC binding doc
mfd: syscon: Add atmel-smc registers definition
mfd: syscon: Add Atmel Matrix bus DT binding documentation
mfd: syscon: Add atmel-matrix registers definition
clk: shmobile: fix sparse NULL pointer warning
...
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Pull ARM SoC DT updates from Olof Johansson:
"DT changes continue to be the bulk of our merge window contents.
We continue to have a large set of changes across the board as new
platforms and drivers are added.
Some of the new platforms are:
- Alphascale ASM9260
- Marvell Armada 388
- CSR Atlas7
- TI Davinci DM816x
- Hisilicon HiP01
- ST STiH418
There have also been some sweeping changes, including relicensing of
DTS contents from GPL to GPLv2+/X11 so that the same files can be
reused in other non-GPL projects more easily. There's also been
changes to the DT Makefile to make it a little less conflict-ridden
and churny down the road"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (330 commits)
ARM: dts: Add PPMU node for exynos4412-trats2
ARM: dts: Add PPMU node for exynos3250-monk and exynos3250-rinato
ARM: dts: Add PPMU dt node for exynos4 and exynos4210
ARM: dts: Add PPMU dt node for exynos3250
ARM: dts: add mipi dsi device node for exynos4415
ARM: dts: add fimd device node for exynos4415
ARM: dts: Add syscon phandle to the video-phy node for Exynos4
ARM: dts: Add sound nodes for exynos4412-trats2
ARM: dts: Fix CLK_MOUT_CAMn parent clocks assignment for exynos4412-trats2
ARM: dts: Fix CLK_UART_ISP_SCLK clock assignment in exynos4x12.dtsi
ARM: dts: Add max77693 charger node for exynos4412-trats2
ARM: dts: Switch max77686 regulators to GPIO control for exynos4412-trats2
ARM: dts: Add suspend configuration for max77686 regulators for exynos4412-trats2
ARM: dts: Add Maxim 77693 fuel gauge node for exynos4412-trats2
ARM: dts: am57xx-beagle-x15: Fix USB2 mode
ARM: dts: am57xx-beagle-x15: Add extcon nodes for USB
ARM: dts: dra72-evm: Add extcon nodes for USB
ARM: dts: dra7-evm: Add extcon nodes for USB
ARM: dts: rockchip: move the hdmi ddc-i2c-bus property to the actual boards
ARM: dts: rockchip: enable vops and hdmi output on rk3288-firefly and -evb
...
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Pull ARM SoC platform changes from Olof Johansson:
"New and updated SoC support. Also included are some cleanups where
the platform maintainers hadn't separated cleanups from new developent
in separate branches.
Some of the larger things worth pointing out:
- A large set of changes from Alexandre Belloni and Nicolas Ferre
preparing at91 platforms for multiplatform and cleaning up quite a
bit in the process.
- Removal of CSR's "Marco" SoC platform that never made it out to the
market. We love seeing these since it means the vendor published
support before product was out, which is exactly what we want!
New platforms this release are:
- Conexant Digicolor (CX92755 SoC)
- Hisilicon HiP01 SoC
- CSR/sirf Atlas7 SoC
- ST STiH418 SoC
- Common code changes for Nvidia Tegra132 (64-bit SoC)
We're seeing more and more platforms having a harder time labelling
changes as cleanups vs new development -- which is a good sign that
we've come quite far on the cleanup effort. So over time we might
start combining the cleanup and new-development branches more"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (124 commits)
ARM: at91/trivial: unify functions and machine names
ARM: at91: remove at91_dt_initialize and machine init_early()
ARM: at91: change board files into SoC files
ARM: at91: remove at91_boot_soc
ARM: at91: move alternative initial mapping to board-dt-sama5.c
ARM: at91: merge all SOC_AT91SAM9xxx
ARM: at91: at91rm9200: set idle and restart from rm9200_dt_device_init()
ARM: digicolor: select syscon and timer
ARM: zynq: Simplify SLCR initialization
ARM: zynq: PM: Fixed simple typo.
ARM: zynq: Setup default gpio number for Xilinx Zynq
ARM: digicolor: add low level debug support
ARM: initial support for Conexant Digicolor CX92755 SoC
ARM: OMAP2+: Add dm816x hwmod support
ARM: OMAP2+: Add clock domain support for dm816x
ARM: OMAP2+: Add board-generic.c entry for ti81xx
ARM: at91: pm: remove warning to remove SOC_AT91SAM9263 usage
ARM: at91: remove unused mach/system_rev.h
ARM: at91: stop using HAVE_AT91_DBGUx
ARM: at91: fix ordering of SRAM and PM initialization
...
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Provide a file creation function that also takes an initial size so that the
caller doesn't have to set i_size, thus meaning that we don't have to call
deal with ->d_inode in the callers.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Pull ARM SoC cleanups from Olof Johansson:
"This is a good healthy set of various code removals. Total net delta
is 8100 lines removed.
Among the larger cleanups are:
- Removal of old Samsung S3C DMA infrastructure by Arnd
- Removal of the non-DT version of the 'lager' board by Magnus Damm
- General stale code removal on OMAP and Davinci by Rickard Strandqvist
- Removal of non-DT support on am3517 platforms by Tony Lindgren
... plus several other cleanups of various platforms across the board"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (47 commits)
ARM: sirf: drop redundant function and marco declaration
arm: omap: specify PMUs are for ARMv7 CPUs
arm: shmobile: specify PMUs are for ARMv7 CPUs
arm: iop: specify PMUs are for XScale CPUs
arm: pxa: specify PMUs are for XScale CPUs
arm: realview: specify PMU types
ARM: SAMSUNG: remove unused DMA infrastructure
ARM: OMAP3: Add back Kconfig option MACH_OMAP3517EVM for ASoC
ARM: davinci: Remove CDCE949 driver
ARM: at91: remove useless at91rm9200_set_type()
ARM: at91: remove useless at91rm9200_dt_initialize()
ARM: at91: move debug-macro.S into the common space
ARM: at91: remove useless at91_sysirq_mask_rtx
ARM: at91: remove useless config MACH_AT91SAM9_DT
ARM: at91: remove useless config MACH_AT91RM9200_DT
ARM: at91: remove unused mach/memory.h
ARM: at91: remove useless header file includes
ARM: at91: remove unneeded header file
rtc: at91/Kconfig: remove useless options
ARM: at91/Documentation: add a README for Atmel SoCs
...
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Merge fifth set of updates from Andrew Morton:
- A few things which were awaiting merges from linux-next:
- rtc
- ocfs2
- misc others
- Willy's "dax" feature: direct fs access to memory (mainly NV-DIMMs)
which isn't backed by pageframes.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (37 commits)
rtc: add driver for DS1685 family of real time clocks
MAINTAINERS: add entry for Maxim PMICs on Samsung boards
lib/Kconfig: use bool instead of boolean
powerpc: drop _PAGE_FILE and pte_file()-related helpers
ocfs2: set append dio as a ro compat feature
ocfs2: wait for orphan recovery first once append O_DIRECT write crash
ocfs2: complete the rest request through buffer io
ocfs2: do not fallback to buffer I/O write if appending
ocfs2: allocate blocks in ocfs2_direct_IO_get_blocks
ocfs2: implement ocfs2_direct_IO_write
ocfs2: add orphan recovery types in ocfs2_recover_orphans
ocfs2: add functions to add and remove inode in orphan dir
ocfs2: prepare some interfaces used in append direct io
MAINTAINERS: fix spelling mistake & remove trailing WS
dax: does not work correctly with virtual aliasing caches
brd: rename XIP to DAX
ext4: add DAX functionality
dax: add dax_zero_page_range
ext2: get rid of most mentions of XIP in ext2
ext2: remove ext2_aops_xip
...
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This adds a driver for the Dallas/Maxim DS1685-family of RTC chips. It
supports the DS1685/DS1687, DS1688/DS1691, DS1689/DS1693, DS17285/DS17287,
DS17485/DS17487, and DS17885/DS17887 RTC chips. These chips are commonly
found in SGI O2 and SGI Octane systems. It was originally derived from a
driver patch submitted by Matthias Fuchs many years ago for use in
EPPC-405-UC modules, which also used these RTCs. In addition to the
time-keeping functions, this RTC also handles the shutdown mechanism of
the O2 and Octane and acts as a partial NVRAM for the boot PROMS in these
systems.
Verified on both an SGI O2 and an SGI Octane.
Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Since this is relating to FS_XIP, not KERNEL_XIP, it should be called
DAX instead of XIP.
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Cc: Boaz Harrosh <boaz@plexistor.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation. This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version). The old compatible string is kept for backward compatibility.
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Uwe Kleine-Knig <uwe@kleine-koenig.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Huewe <peter.huewe@infineon.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Darshana Padmadas <darshanapadmadas@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Landley <rob@landley.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation. This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version). The old compatible string is kept for backward compatibility.
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Uwe Kleine-Knig <uwe@kleine-koenig.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Huewe <peter.huewe@infineon.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Darshana Padmadas <darshanapadmadas@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Landley <rob@landley.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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"isil" and "isl" prefixes are used at various locations inside the kernel
to reference Intersil corporation. This patch is part of a series fixing
those locations were "isl" is used in compatible strings to use the now
expected "isil" prefix instead (NASDAQ symbol for Intersil and most used
version). The old compatible string is kept for backward compatibility.
Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Uwe Kleine-Knig <uwe@kleine-koenig.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Huewe <peter.huewe@infineon.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Darshana Padmadas <darshanapadmadas@gmail.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Landley <rob@landley.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull drm updates from Dave Airlie:
"This is the main drm pull, it has a shared branch with some alsa
crossover but everything should be acked by relevant people.
New drivers:
- ATMEL HLCDC driver
- designware HDMI core support (used in multiple SoCs).
core:
- lots more atomic modesetting work, properties and atomic ioctl
(hidden under option)
- bridge rework allows support for Samsung exynos chromebooks to
work finally.
- some more panels supported
i915:
- atomic plane update support
- DSI uses shared DSI infrastructure
- Skylake basic support is all merged now
- component framework used for i915/snd-hda interactions
- write-combine cpu memory mappings
- engine init code refactored
- full ppgtt enabled where execlists are enabled.
- cherryview rps/gpu turbo and pipe CRC support.
radeon:
- indirect draw support for evergreen/cayman
- SMC and manual fan control for SI/CI
- Displayport audio support
amdkfd:
- SDMA usermode queue support
- replace suballocator usage with more suitable one
- rework for allowing interfacing to more than radeon
nouveau:
- major renaming in prep for later splitting work
- merge arm platform driver into nouveau
- GK20A reclocking support
msm:
- conversion to atomic modesetting
- YUV support for mdp4/5
- eDP support
- hw cursor for mdp5
tegra:
- conversion to atomic modesetting
- better suspend/resume support for child devices
rcar-du:
- interlaced support
imx:
- move to using dw_hdmi shared support
- mode_fixup support
sti:
- DVO support
- HDMI infoframe support
exynos:
- refactoring and cleanup, removed lots of internal unnecessary
abstraction
- exynos7 DECON display controller support
Along with the usual bunch of fixes, cleanups etc"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (724 commits)
drm/radeon: fix voltage setup on hawaii
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
drm/radeon: only enable kv/kb dpm interrupts once v3
drm/radeon: workaround for CP HW bug on CIK
drm/radeon: Don't try to enable write-combining without PAT
drm/radeon: use 0-255 rather than 0-100 for pwm fan range
drm/i915: Clamp efficient frequency to valid range
drm/i915: Really ignore long HPD pulses on eDP
drm/exynos: Add DECON driver
drm/i915: Correct the base value while updating LP_OUTPUT_HOLD in MIPI_PORT_CTRL
drm/i915: Insert a command barrier on BLT/BSD cache flushes
drm/i915: Drop vblank wait from intel_dp_link_down
drm/exynos: fix NULL pointer reference
drm/exynos: remove exynos_plane_dpms
drm/exynos: remove mode property of exynos crtc
drm/exynos: Remove exynos_plane_dpms() call with no effect
drm/i915: Squelch overzealous uncore reset WARN_ON
drm/i915: Take runtime pm reference on hangcheck_info
drm/i915: Correct the IOSF Dev_FN field for IOSF transfers
drm/exynos: fix DMA_ATTR_NO_KERNEL_MAPPING usage
...
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Pull clocksource updates from Ingo Molnar:
"The main change in this tree is the addition of various new SoC
clocksource/clockevents drivers: Conexant Digicolor SoCs, rockchip
rk3288 board, asm9260 for MIPS and versatile AB/PB boards"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
dts: versatile: Add sysregs node
clocksource: versatile: Adapt for Versatile AB and PB boards
dt/bindings: Add binding for Versatile system registers
clocksource: Driver for Conexant Digicolor SoC timer
clocksource: devicetree: Document Conexant Digicolor timer binding
clockevents: rockchip: Add rockchip timer for rk3288
ARM: clocksource: Add asm9260_timer driver
clocksource: marco: Rename marco to atlas7
clocksource: sirf: Remove unused variable
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Pull irqchip updates from Ingo Molnar:
"Various irqchip driver updates, plus a genirq core update that allows
the initial spreading of irqs amonst CPUs without having to do it from
user-space"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Fix null pointer reference in irq_set_affinity_hint()
irqchip: gic: Allow interrupt level to be set for PPIs
irqchip: mips-gic: Handle pending interrupts once in __gic_irq_dispatch()
irqchip: Conexant CX92755 interrupts controller driver
irqchip: Devicetree: document Conexant Digicolor irq binding
irqchip: omap-intc: Remove unused legacy interface for omap2
irqchip: omap-intc: Fix support for dm814 and dm816
irqchip: mtk-sysirq: Get irq number from register resource size
irqchip: renesas-intc-irqpin: r8a7779 IRLM setup support
genirq: Set initial affinity in irq_set_affinity_hint()
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Pull x86 perf updates from Ingo Molnar:
"This series tightens up RDPMC permissions: currently even highly
sandboxed x86 execution environments (such as seccomp) have permission
to execute RDPMC, which may leak various perf events / PMU state such
as timing information and other CPU execution details.
This 'all is allowed' RDPMC mode is still preserved as the
(non-default) /sys/devices/cpu/rdpmc=2 setting. The new default is
that RDPMC access is only allowed if a perf event is mmap-ed (which is
needed to correctly interpret RDPMC counter values in any case).
As a side effect of these changes CR4 handling is cleaned up in the
x86 code and a shadow copy of the CR4 value is added.
The extra CR4 manipulation adds ~ <50ns to the context switch cost
between rdpmc-capable and rdpmc-non-capable mms"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86: Add /sys/devices/cpu/rdpmc=2 to allow rdpmc for all tasks
perf/x86: Only allow rdpmc if a perf_event is mapped
perf: Pass the event to arch_perf_update_userpage()
perf: Add pmu callbacks to track event mapping and unmapping
x86: Add a comment clarifying LDT context switching
x86: Store a per-cpu shadow copy of CR4
x86: Clean up cr4 manipulation
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two important bug fixes for radeon
* 'drm-next-3.20' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix voltage setup on hawaii
drm/radeon/dp: Set EDP_CONFIGURATION_SET for bridge chips if necessary
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RAID10 version of earlier fix for RAID1. We must never initiate
IO with sizes less that logical_block_size.
Signed-off-by: NeilBrown <neilb@suse.de>
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This modifies raid1's narrow_write_error to round up block_sectors to the
device's logical block size.
This prevents sd complaining about "Bad block number requested" for non-512-byte
sector disks.
Signed-off-by: Nate Dailey <nate.dailey@stratus.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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Pull tty/serial driver patches from Greg KH:
"Here's the big tty/serial driver update for 3.20-rc1. Nothing huge
here, just lots of driver updates and some core tty layer fixes as
well. All have been in linux-next with no reported issues"
* tag 'tty-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (119 commits)
serial: 8250: Fix UART_BUG_TXEN workaround
serial: driver for ETRAX FS UART
tty: remove unused variable sprop
serial: of-serial: fetch line number from DT
serial: samsung: earlycon support depends on CONFIG_SERIAL_SAMSUNG_CONSOLE
tty/serial: serial8250_set_divisor() can be static
tty/serial: Add Spreadtrum sc9836-uart driver support
Documentation: DT: Add bindings for Spreadtrum SoC Platform
serial: samsung: remove redundant interrupt enabling
tty: Remove external interface for tty_set_termios()
serial: omap: Fix RTS handling
serial: 8250_omap: Use UPSTAT_AUTORTS for RTS handling
serial: core: Rework hw-assisted flow control support
tty/serial: 8250_early: Add support for PXA UARTs
tty/serial: of_serial: add support for PXA/MMP uarts
tty/serial: of_serial: add DT alias ID handling
serial: 8250: Prevent concurrent updates to shadow registers
serial: 8250: Use canary to restart console after suspend
serial: 8250: Refactor XR17V35X divisor calculation
serial: 8250: Refactor divisor programming
...
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Pull staging drivers patches from Greg KH:
"Here's the big staging driver tree update for 3.20-rc1.
Lots of little things in here, adding up to lots of overall cleanups.
The IIO driver updates are also in here as they cross the staging tree
boundry a lot. I2O has moved into staging as well, as a plan to drop
it from the tree eventually as that's a dead subsystem.
All of this has been in linux-next with no reported issues for a
while"
* tag 'staging-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (740 commits)
staging: lustre: lustre: libcfs: define symbols as static
staging: rtl8712: Do coding style cleanup
staging: lustre: make obd_updatemax_lock static
staging: rtl8188eu: core: switch with redundant cases
staging: rtl8188eu: odm: conditional setting with no effect
staging: rtl8188eu: odm: condition with no effect
staging: ft1000: fix braces warning
staging: sm7xxfb: fix remaining CamelCase
staging: sm7xxfb: fix CamelCase
staging: rtl8723au: multiple condition with no effect - if identical to else
staging: sm7xxfb: make smtc_scr_info static
staging/lustre/mdc: Initialize req in mdc_enqueue for !it case
staging/lustre/clio: Do not allow group locks with gid 0
staging/lustre/llite: don't add to page cache upon failure
staging/lustre/llite: Add exception entry check after radix_tree
staging/lustre/libcfs: protect kkuc_groups from write access
staging/lustre/fld: refer to MDT0 for fld lookup in some cases
staging/lustre/llite: Solve a race to access lli_has_smd in read case
staging/lustre/ptlrpc: hold rq_lock when modify rq_flags
staging/lustre/lnet: portal spreading rotor should be unsigned
...
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Pull driver core patches from Greg KH:
"Really tiny set of patches for this kernel. Nothing major, all
described in the shortlog and have been in linux-next for a while"
* tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: fix warning when creating a sysfs group without attributes
firmware_loader: handle timeout via wait_for_completion_interruptible_timeout()
firmware_loader: abort request if wait_for_completion is interrupted
firmware: Correct function name in comment
device: Change dev_<level> logging functions to return void
device: Fix dev_dbg_once macro
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Pull char / misc patches from Greg KH:
"Here's the big char/misc driver update for 3.20-rc1.
Lots of little things in here, all described in the changelog.
Nothing major or unusual, except maybe the binder selinux stuff, which
was all acked by the proper selinux people and they thought it best to
come through this tree.
All of this has been in linux-next with no reported issues for a while"
* tag 'char-misc-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (90 commits)
coresight: fix function etm_writel_cp14() parameter order
coresight-etm: remove check for unknown Kconfig macro
coresight: fixing CPU hwid lookup in device tree
coresight: remove the unnecessary function coresight_is_bit_set()
coresight: fix the debug AMBA bus name
coresight: remove the extra spaces
coresight: fix the link between orphan connection and newly added device
coresight: remove the unnecessary replicator property
coresight: fix the replicator subtype value
pdfdocs: Fix 'make pdfdocs' failure for 'uio-howto.tmpl'
mcb: Fix error path of mcb_pci_probe
virtio/console: verify device has config space
ti-st: clean up data types (fix harmless memory corruption)
mei: me: release hw from reset only during the reset flow
mei: mask interrupt set bit on clean reset bit
extcon: max77693: Constify struct regmap_config
extcon: adc-jack: Release IIO channel on driver remove
extcon: Remove duplicated include from extcon-class.c
Drivers: hv: vmbus: hv_process_timer_expiration() can be static
Drivers: hv: vmbus: serialize Offer and Rescind offer
...
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Add an ->enter_freeze callback routine, acpi_idle_enter_freeze(), to
the ACPI cpuidle driver and point ->enter_freeze to it for all the
C2-type and C3-type states that don't need to fall back to C1
(which may be halt-induced and that will re-enable interrupts on
exit from idle, which ->enter_freeze cannot do).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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Add an ->enter_freeze callback routine, intel_idle_freeze(), to
the intel_idle driver and point the ->enter_freeze callback
pointers of all of the driver's state objects to it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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The efficiency of suspend-to-idle depends on being able to keep CPUs
in the deepest available idle states for as much time as possible.
Ideally, they should only be brought out of idle by system wakeup
interrupts.
However, timer interrupts occurring periodically prevent that from
happening and it is not practical to chase all of the "misbehaving"
timers in a whack-a-mole fashion. A much more effective approach is
to suspend the local ticks for all CPUs and the entire timekeeping
along the lines of what is done during full suspend, which also
helps to keep suspend-to-idle and full suspend reasonably similar.
The idea is to suspend the local tick on each CPU executing
cpuidle_enter_freeze() and to make the last of them suspend the
entire timekeeping. That should prevent timer interrupts from
triggering until an IO interrupt wakes up one of the CPUs. It
needs to be done with interrupts disabled on all of the CPUs,
though, because otherwise the suspended clocksource might be
accessed by an interrupt handler which might lead to fatal
consequences.
Unfortunately, the existing ->enter callbacks provided by cpuidle
drivers generally cannot be used for implementing that, because some
of them re-enable interrupts temporarily and some idle entry methods
cause interrupts to be re-enabled automatically on exit. Also some
of these callbacks manipulate local clock event devices of the CPUs
which really shouldn't be done after suspending their ticks.
To overcome that difficulty, introduce a new cpuidle state callback,
->enter_freeze, that will be guaranteed (1) to keep interrupts
disabled all the time (and return with interrupts disabled) and (2)
not to touch the CPU timer devices. Modify cpuidle_enter_freeze() to
look for the deepest available idle state with ->enter_freeze present
and to make the CPU execute that callback with suspended tick (and the
last of the online CPUs to execute it with suspended timekeeping).
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
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Pull USB patches from Greg KH:
"Here's the big pull request for the USB driver tree for 3.20-rc1.
Nothing major happening here, just lots of gadget driver updates, new
device ids, and a bunch of cleanups.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
usb: musb: fix device hotplug behind hub
usb: dwc2: Fix a bug in reading the endpoint directions from reg.
staging: emxx_udc: fix the build error
usb: Retry port status check on resume to work around RH bugs
Revert "usb: Reset USB-3 devices on USB-3 link bounce"
uhci-hub: use HUB_CHAR_*
usb: kconfig: replace PPC_OF with PPC
ehci-pci: disable for Intel MID platforms (update)
usb: gadget: Kconfig: use bool instead of boolean
usb: musb: blackfin: remove incorrect __exit_p()
USB: fix use-after-free bug in usb_hcd_unlink_urb()
ehci-pci: disable for Intel MID platforms
usb: host: pci_quirks: joing string literals
USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
USB: usbfs: allow URBs to be reaped after disconnection
cdc-acm: kill unnecessary messages
cdc-acm: add sanity checks
usb: phy: phy-generic: Fix USB PHY gpio reset
usb: dwc2: fix USB core dependencies
usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
...
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Pull UBI and UBIFS updates from Richard Weinberger:
- cleanups and bug fixes all over UBI and UBIFS
- block-mq support for UBI Block
- UBI volumes can now be renamed while they are in use
- security.* XATTR support for UBIFS
- a maintainer update
* 'for-linus-v3.20' of git://git.infradead.org/linux-ubifs:
UBI: block: Fix checking for NULL instead of IS_ERR()
UBI: block: Continue creating ubiblocks after an initialization error
UBIFS: return -EINVAL if log head is empty
UBI: Block: Explain usage of blk_rq_map_sg()
UBI: fix soft lockup in ubi_check_volume()
UBI: Fastmap: Care about the protection queue
UBIFS: add a couple of extra asserts
UBI: do propagate positive error codes up
UBI: clean-up printing helpers
UBI: extend UBI layer debug/messaging capabilities - cosmetics
UBIFS: add ubifs_err() to print error reason
UBIFS: Add security.* XATTR support for the UBIFS
UBIFS: Add xattr support for symlinks
UBI: Block: Add blk-mq support
UBI: Add initial support for scatter gather
UBI: rename_volumes: Use UBI_METAONLY
UBI: Implement UBI_METAONLY
Add myself as UBI co-maintainer
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The tpm_ibmvtpm module is affected by an unaligned access problem.
ibmvtpm_crq_get_version failed with rc=-4 during boot when vTPM is
enabled in Power partition, which supports both little endian and
big endian modes.
We added little endian support to fix this problem:
1) added cpu_to_be64 calls to ensure BE data is sent from an LE OS.
2) added be16_to_cpu and be32_to_cpu calls to make sure data received
is in LE format on a LE OS.
Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com>
Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com>
Cc: <stable@vger.kernel.org>
[phuewe: manually applied the patch :( ]
Reviewed-by: Ashley Lai <ashley@ahsleylai.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit ba7438aed924 ("vhost: don't bother copying iovecs in
handle_rx(), kill memcpy_toiovecend()"), we advance iov iter fixup
sizeof(struct virtio_net_hdr) bytes and fill the number of buffers
after doing the socket recvmsg(). This work well but was broken after
commit 6e03f896b52c ("Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net") which tries
to advance sizeof(struct virtio_net_hdr_mrg_rxbuf). It will fill the
number of buffers at the wrong place. This patch fixes this.
Fixes 6e03f896b52c
("Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net")
Cc: David S. Miller <davem@davemloft.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If during transmission system error was returned, the logic was to
incorrectly deduce that chip is a TPM 1.x chip. This patch fixes this
issue. Also, this patch changes probing so that message tag is used as the
measure for TPM 2.x, which should be much more stable. A separate function
called tpm2_probe() is encapsulated because it can be used with any
chipset.
Fixes: aec04cbdf723 ("tpm: TPM 2.0 FIFO Interface")
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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Fixed suspend/resume paths for TPM 2.0 and consolidated all the
associated code to the tpm_pm_suspend() and tpm_pm_resume()
functions. Resume path should be handled by the firmware, i.e.
Startup(CLEAR) for hibernate and Startup(STATE) for suspend.
There might be some non-PC embedded devices in the future where
Startup() is not the handled by the FW but fixing the code for
those IMHO should be postponed until there is hardware available
to test the fixes although extra Startup in the driver code is
essentially a NOP.
Added Shutdown(CLEAR) to the remove paths of TIS and CRB drivers.
Changed tpm2_shutdown() to a void function because there isn't
much you can do except print an error message if this fails with
a system error.
Fixes: aec04cbdf723 ("tpm: TPM 2.0 FIFO Interface")
Fixes: 30fc8d138e91 ("tpm: TPM 2.0 CRB Interface")
[phuewe: both did send TPM_Shutdown on resume which 'disables' the TPM
and did not send TPM2_Shutdown on teardown which leads some TPM2.0 to
believe there was an attack (no TPM2_Shutdown = no orderly shutdown =
attack)]
Reported-by: Peter Hüwe <PeterHuewe@gmx.de>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Scot Doyle <lkml14@scotdoyle.com>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
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NAND-tree is used to check wiring between MAC and PHY using NAND gates
on the PHY side, hence the name.
NAND-tree initial status is latched at reset by probing the IRQ pin.
However some devices are sharing the PHY IRQ pin with other peripherals
such as Atmel SAMA5D[34]x-EK boards when using the optional TM7000
display module, therefore they are switching the PHY in NAND-tree test
mode depending on the current IRQ line status at reset.
This patch ensure PHY is not in NAND-tree test mode for all Micrel PHYs
using IRQ line as a NAND-tree toggle mode at reset.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
Christoph Hellwig
Alan Stern
Al Viro
Linus Torvalds
NeilBrown
David Howells
Joshua Kinard
Matthew Wilcox
Arnaud Ebalard
Dave Airlie
Nate Dailey
James Morris
Rafael J. Wysocki
honclo
Michael Grzeschik
Jason Wang
Jarkko Sakkinen
Sylvain Rochet