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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "firmare: Changes for v4.14-rc1" from Thierry Reding:
This contains a single bug fix that can lead to a crash in some rare
situations. Since this has never been reported to happen with the level
of support that exists upstream, this isn't considered critical.
* tag 'tegra-for-4.14-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: set drvdata earlier
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers
Pull "soc/tegra: Changes for v4.14-rc1" from Thierry Reding:
Contains a fix for unbalanced reference counting of device tree nodes in
the PMC-based generic power domains code.
A second change moves the SoC device registration code from its old
location in arch/arm/mach-tegra to drivers/soc/tegra so that it can be
shared between 32-bit and 64-bit ARM Tegra SoCs.
* tag 'tegra-for-4.14-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: Register SoC device
soc/tegra: Fix bad of_node_put() in powergate init
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next/drivers
Pull "arm: mediatek: soc updates for v4.14" from Matthias Brugger:
- add mt7623a smp support
- scpsys: reduce code duplication
- scpsys: add mt7622 support
- pmic wrapper: make of_device_ids constant
* tag 'v4.13-next-soc' of https://github.com/mbgg/linux-mediatek:
soc: mediatek: add SCPSYS power domain driver for MediaTek MT7622 SoC
soc: mediatek: add header files required for MT7622 SCPSYS dt-binding
soc: mediatek: reduce code duplication of scpsys_probe across all SoCs
dt-bindings: soc: update the binding document for SCPSYS on MediaTek MT7622 SoC
soc: mtk-pmic-wrap: make of_device_ids const.
ARM: mediatek: add MT7623a smp bringup code
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Move this code from arch/arm/mach-tegra and make it common among 32-bit
and 64-bit Tegra SoCs. This is slightly complicated by the fact that on
32-bit Tegra, the SoC device is used as the parent for all devices that
are instantiated from device tree.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Subdevices of bpmp, such as bpmp-i2c, require the bpmp device's
drvdata to be set during their probe. Currently this is not always the
case. Fix this by calling platform_set_drvdata() earlier during bpmp's
probe.
Signed-off-by: Timo Alho <talho@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/drivers
Pull "Amlogic driver updates for v4.14" from Kevin Hilman:
- add SoC info driver
* tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: Add Amlogic SoC Information driver
dt-bindings: arm: amlogic: Add SoC information bindings
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Pull "Renesas ARM Based SoC Drivers Updates for v4.14" from Simon Horman:
Add R-Car D3 (r8a77995) support to the Renesas-specific SoC drivers
- SoC identification
- System controller
- Reset controller
* tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
soc: renesas: rcar-rst: Add support for R-Car D3
soc: renesas: rcar-sysc: Add support for R-Car D3 power areas
soc: renesas: Add r8a77995 SYSC PM Domain Binding Definitions
soc: renesas: Identify R-Car D3
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/drivers
Pull "Qualcomm ARM Based Driver Updates for v4.14" from Andy Gross:
* Minor fixes for SMSM and WCNSS_CTRL
* Move Qcom SoC drivers to submenu
* Fix mdt_loader to use request_firmware_into_buf()
* tag 'qcom-drivers-for-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: mdt_loader: Use request_firmware_into_buf()
soc: qcom: bring all qcom drivers into a submenu
soc: qcom: wcnss_ctrl: add missing MODULE_DEVICE_TABLE()
soc: qcom: smsm: fix of_node refcnting problem
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/drivers
Pull "Rockchip driver changes for 4.14" from Heiko Stübner:
Powerdomain support for rk3366 and disabling of the automatic
jtag/sdmmc switching for rk3328.
* tag 'v4.14-rockchip-drivers-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
soc: rockchip: power-domain: add power domain support for rk3366
dt-bindings: add binding for rk3366 power domains
dt-bindings: power: add RK3366 SoCs header for power-domain
soc: rockchip: disable jtag switching for RK3328 Soc
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http://git.linaro.org/people/jens.wiklander/linux-tee into next/drivers
Pull "Small fixes and enhancements for the TEE subsystem" from Jens Wiklander:
* tag 'tee-drv-for-4.14' of http://git.linaro.org/people/jens.wiklander/linux-tee:
tee: optee: sync with new naming of interrupts
tee: indicate privileged dev in gen_caps
tee: optee: interruptible RPC sleep
tee: optee: add const to tee_driver_ops and tee_desc structures
tee: tee_shm: Constify dma_buf_ops structures.
tee: add forward declaration for struct device
tee: optee: fix uninitialized symbol 'parg'
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Roger Quadros <rogerq@ti.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Scott Wood <oss@buserror.net>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add SCPSYS power domain driver for MT7622 SoC having four power domains
which are respectively ETHSYS for Ethernet including embedded switch,
WBSYS for WIFI and Bluetooth, HIF0SYS for PCI-E and SATA, and HIF1SYS for
USB. Those functions could be selectively powered gated when the
corresponding function is no longer to use in order to reach more minimal
power dissipation.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Add relevant header files required for dt-bindings of SCPSYS power domain
control for all subsystems found on MT7622 SoC.
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Reduce code duplication of scpsys_probe_mtXXXX across all SoCs using
the more generic scpsys_probe all covering all cases to avoid starting
to bloat the driver when more MediaTek SoCs supported are added.
Suggested-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Update the binding document for enabling SCPSYS on MediaTek MT7622 SoC.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Chen Zhong <chen.zhong@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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By switching to the request_firmware_into_buf() we load the segment data
straight into the preallocated buffers, reducing the need for allocating
scratch buffers for these. In particular the modem firmware consists of
multiple segments in the range 5-15MB, making this worth while.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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As the number of qcom drivers increase, entries in SOC menu looks
scattered with other SOC drivers. Make a submenu for Qcom drivers
to make it visibly clear while selecting qcom SOC specific drivers.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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This fixes a problem of wifi module not loading on db410c.
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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of_find_node_with_property() drops the reference to the 'from' node,
which eventually (after enough -EPROBE_DEFERs) drops the last reference
to the node causing all sorts of fun problems, and this nice splat.
BUG: sleeping function called from invalid context at ../kernel/locking/mutex.c:747
in_atomic(): 1, irqs_disabled(): 128, pid: 33, name: kworker/0:1
4 locks held by kworker/0:1/33:
#0: ("events"){.+.+.+}, at: [<ffff0000080fa91c>] process_one_work+0x1a4/0x728
#1: (deferred_probe_work){+.+.+.}, at: [<ffff0000080fa91c>] process_one_work+0x1a4/0x728
#2: (&dev->mutex){......}, at: [<ffff000008676078>] __device_attach+0x30/0x168
#3: (devtree_lock){......}, at: [<ffff000008828fd0>] of_find_node_with_property+0x30/0xe0
irq event stamp: 18976
hardirqs last enabled at (18975): [<ffff00000815794c>] __down_trylock_console_sem+0x74/0xb8
hardirqs last disabled at (18976): [<ffff0000089e26d4>] _raw_spin_lock_irqsave+0x2c/0x78
softirqs last enabled at (16880): [<ffff0000080e0f00>] __do_softirq+0x580/0x640
softirqs last disabled at (16871): [<ffff0000080e13a4>] irq_exit+0xe4/0x138
CPU: 0 PID: 33 Comm: kworker/0:1 Tainted: G E 4.12.0-rc5+ #1455
Hardware name: qualcomm dragonboard410c/dragonboard410c, BIOS 2017.07-rc1-00234-g22fa70a-dirty 06/26/2017
Workqueue: events deferred_probe_work_func
Call trace:
[<ffff000008089ee0>] dump_backtrace+0x0/0x230
[<ffff00000808a134>] show_stack+0x24/0x30
[<ffff0000084e1944>] dump_stack+0xac/0xe8
[<ffff00000810d7e0>] ___might_sleep+0x150/0x230
[<ffff00000810d918>] __might_sleep+0x58/0x90
[<ffff0000089dde18>] __mutex_lock+0x50/0x870
[<ffff0000089de674>] mutex_lock_nested+0x3c/0x50
[<ffff000008388ae0>] kernfs_remove+0x30/0x50
[<ffff00000838b720>] sysfs_remove_dir+0x58/0x70
[<ffff0000084e393c>] kobject_del+0x1c/0x58
[<ffff0000084e374c>] kobject_put+0xb4/0x208
[<ffff00000882c364>] of_node_put+0x24/0x30
[<ffff000008829018>] of_find_node_with_property+0x78/0xe0
[<ffff000000aff5f4>] qcom_smsm_probe+0x194/0x720 [smsm]
[<ffff0000086793b4>] platform_drv_probe+0x74/0x110
[<ffff0000086765bc>] driver_probe_device+0x2b4/0x420
[<ffff000008676920>] __device_attach_driver+0xd0/0x150
[<ffff000008673e78>] bus_for_each_drv+0x68/0xa8
[<ffff00000867611c>] __device_attach+0xd4/0x168
[<ffff000008676a1c>] device_initial_probe+0x24/0x30
[<ffff000008675380>] bus_probe_device+0xa0/0xa8
[<ffff000008675948>] deferred_probe_work_func+0xb8/0xf8
[<ffff0000080fa9d4>] process_one_work+0x25c/0x728
[<ffff0000080faef4>] worker_thread+0x54/0x3d8
[<ffff0000081031d8>] kthread+0x110/0x140
[<ffff000008082d90>] ret_from_fork+0x10/0x40
OF: ERROR: Bad of_node_put() on /smsm
CPU: 0 PID: 33 Comm: kworker/0:1 Tainted: G W E 4.12.0-rc5+ #1455
Hardware name: qualcomm dragonboard410c/dragonboard410c, BIOS 2017.07-rc1-00234-g22fa70a-dirty 06/26/2017
Workqueue: events deferred_probe_work_func
Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fix from Darren Hart:
"Fix loop preventing some platforms from waking up via the power button
in s2idle:
- intel-vbtn: match power button on press rather than release"
* tag 'platform-drivers-x86-v4.13-4' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: intel-vbtn: match power button on press rather than release
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"A large number of ext4 bug fixes and cleanups for v4.13"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix copy paste error in ext4_swap_extents()
ext4: fix overflow caused by missing cast in ext4_resize_fs()
ext4, project: expand inode extra size if possible
ext4: cleanup ext4_expand_extra_isize_ea()
ext4: restructure ext4_expand_extra_isize
ext4: fix forgetten xattr lock protection in ext4_expand_extra_isize
ext4: make xattr inode reads faster
ext4: inplace xattr block update fails to deduplicate blocks
ext4: remove unused mode parameter
ext4: fix warning about stack corruption
ext4: fix dir_nlink behaviour
ext4: silence array overflow warning
ext4: fix SEEK_HOLE/SEEK_DATA for blocksize < pagesize
ext4: release discard bio after sending discard commands
ext4: convert swap_inode_data() over to use swap() on most of the fields
ext4: error should be cleared if ea_inode isn't added to the cache
ext4: Don't clear SGID when inheriting ACLs
ext4: preserve i_mode if __ext4_set_acl() fails
ext4: remove unused metadata accounting variables
ext4: correct comment references to ext4_ext_direct_IO()
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Pull MIPS fixes from Ralf Baechle:
"This fixes two build issues for ralink platforms, both due to missing
#includes which used to be included indirectly via other headers"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
MIPS: ralink: mt7620: Add missing header
MIPS: ralink: Fix build error due to missing header
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The latest change of compat_sys_sigpending in commit 8f13621abced
("sigpending(): move compat to native") has broken it in two ways.
First, it tries to write 4 bytes more than userspace expects:
sizeof(old_sigset_t) == sizeof(long) == 8 instead of
sizeof(compat_old_sigset_t) == sizeof(u32) == 4.
Second, on big endian architectures these bytes are being written in the
wrong order.
This bug was found by strace test suite.
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Inspired-by: Eugene Syromyatnikov <evgsyr@gmail.com>
Fixes: 8f13621abced ("sigpending(): move compat to native")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This bug was found by a static code checker tool for copy paste
problems.
Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Vaneet Narang <v.narang@samsung.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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On a 32-bit platform, the value of n_blcoks_count may be wrong during
the file system is resized to size larger than 2^32 blocks. This may
caused the superblock being corrupted with zero blocks count.
Fixes: 1c6bd7173d66
Signed-off-by: Jerry Lee <jerrylee@qnap.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@vger.kernel.org # 3.7+
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When upgrading from old format, try to set project id
to old file first time, it will return EOVERFLOW, but if
that file is dirtied(touch etc), changing project id will
be allowed, this might be confusing for users, we could
try to expand @i_extra_isize here too.
Reported-by: Zhang Yi <yi.zhang@huawei.com>
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Wang Shilong <wshilong@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Clean up some goto statement, make ext4_expand_extra_isize_ea() clearer.
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
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Current ext4_expand_extra_isize just tries to expand extra isize, if
someone is holding xattr lock or some check fails, it will give up.
So rename its name to ext4_try_to_expand_extra_isize.
Besides that, we clean up unnecessary check and move some relative checks
into it.
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
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We should avoid the contention between the i_extra_isize update and
the inline data insertion, so move the xattr trylock in front of
i_extra_isize update.
Signed-off-by: Miao Xie <miaoxie@huawei.com>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
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ext4_xattr_inode_read() currently reads each block sequentially while
waiting for io operation to complete before moving on to the next
block. This prevents request merging in block layer.
Add a ext4_bread_batch() function that starts reads for all blocks
then optionally waits for them to complete. A similar logic is used
in ext4_find_entry(), so update that code to use the new function.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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When an xattr block has a single reference, block is updated inplace
and it is reinserted to the cache. Later, a cache lookup is performed
to see whether an existing block has the same contents. This cache
lookup will most of the time return the just inserted entry so
deduplication is not achieved.
Running the following test script will produce two xattr blocks which
can be observed in "File ACL: " line of debugfs output:
mke2fs -b 1024 -I 128 -F -O extent /dev/sdb 1G
mount /dev/sdb /mnt/sdb
touch /mnt/sdb/{x,y}
setfattr -n user.1 -v aaa /mnt/sdb/x
setfattr -n user.2 -v bbb /mnt/sdb/x
setfattr -n user.1 -v aaa /mnt/sdb/y
setfattr -n user.2 -v bbb /mnt/sdb/y
debugfs -R 'stat x' /dev/sdb | cat
debugfs -R 'stat y' /dev/sdb | cat
This patch defers the reinsertion to the cache so that we can locate
other blocks with the same contents.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
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ext4_alloc_file_blocks() does not use its mode parameter. Remove it.
Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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After commit 62d1034f53e3 ("fortify: use WARN instead of BUG for now"),
we get a warning about possible stack overflow from a memcpy that
was not strictly bounded to the size of the local variable:
inlined from 'ext4_mb_seq_groups_show' at fs/ext4/mballoc.c:2322:2:
include/linux/string.h:309:9: error: '__builtin_memcpy': writing between 161 and 1116 bytes into a region of size 160 overflows the destination [-Werror=stringop-overflow=]
We actually had a bug here that would have been found by the warning,
but it was already fixed last year in commit 30a9d7afe70e ("ext4: fix
stack memory corruption with 64k block size").
This replaces the fixed-length structure on the stack with a variable-length
structure, using the correct upper bound that tells the compiler that
everything is really fine here. I also change the loop count to check
for the same upper bound for consistency, but the existing code is
already correct here.
Note that while clang won't allow certain kinds of variable-length arrays
in structures, this particular instance is fine, as the array is at the
end of the structure, and the size is strictly bounded.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The dir_nlink feature has been enabled by default for new ext4
filesystems since e2fsprogs-1.41 in 2008, and was automatically
enabled by the kernel for older ext4 filesystems since the
dir_nlink feature was added with ext4 in kernel 2.6.28+ when
the subdirectory count exceeded EXT4_LINK_MAX-1.
Automatically adding the file system features such as dir_nlink is
generally frowned upon, since it could cause the file system to not be
mountable on older kernel, thus preventing the administrator from
rolling back to an older kernel if necessary.
In this case, the administrator might also want to disable the feature
because glibc's fts_read() function does not correctly optimize
directory traversal for directories that use st_nlinks field of 1 to
indicate that the number of links in the directory are not tracked by
the file system, and could fail to traverse the full directory
hierarchy. Fortunately, in the past ten years very few users have
complained about incomplete file system traversal by glibc's
fts_read().
This commit also changes ext4_inc_count() to allow i_nlinks to reach
the full EXT4_LINK_MAX links on the parent directory (including "."
and "..") before changing i_links_count to be 1.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=196405
Signed-off-by: Andreas Dilger <adilger@dilger.ca>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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I get a static checker warning:
fs/ext4/ext4.h:3091 ext4_set_de_type()
error: buffer overflow 'ext4_type_by_mode' 15 <= 15
It seems unlikely that we would hit this read overflow in real life, but
it's also simple enough to make the array 16 bytes instead of 15.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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ext4_find_unwritten_pgoff() does not properly handle a situation when
starting index is in the middle of a page and blocksize < pagesize. The
following command shows the bug on filesystem with 1k blocksize:
xfs_io -f -c "falloc 0 4k" \
-c "pwrite 1k 1k" \
-c "pwrite 3k 1k" \
-c "seek -a -r 0" foo
In this example, neither lseek(fd, 1024, SEEK_HOLE) nor lseek(fd, 2048,
SEEK_DATA) will return the correct result.
Fix the problem by neglecting buffers in a page before starting offset.
Reported-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
CC: stable@vger.kernel.org # 3.8+
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This fixes a problem where the system gets stuck in a loop
unable to wakeup via power button in s2idle.
The problem happens because:
- press power button:
- system emits 0xc0 (power press), event ignored
- system emits 0xc1 (power release), event processed,
emited as KEY_POWER
- set wakeup_mode to true
- system goes to s2idle
- press power button
- system emits 0xc0 (power press), wakeup_mode is true,
system wakes
- system emits 0xc1 (power release), event processed,
emited as KEY_POWER
- system goes to s2idle again
To avoid this situation, process the presses (which matches what
intel-hid does too).
Verified on an Dell XPS 9365
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"This series is larger than I would like to submit for -rc4. My
original intent were to sent it to either -rc2 or -rc3. Unfortunately,
due to my vacations, I got a lot of pending stuff after my return, and
had to do some biz trips, with prevented me to send this earlier.
Several fixes:
- some fixes at atomisp staging driver
- several gcc 7 warning fixes
- cleanup media SVG files, in order to fix PDF build on some distros
- fix random Kconfig build of venus driver
- some fixes for the venus driver
- some changes from semaphone to mutex in ngene's driver
- some locking fixes at dib0700 driver
- several fixes on ngene's driver and frontends to make it properly
support some new boards added on Kernel 4.13
- some fixes to CEC drivers
- omap_vout: vrfb: convert to dmaengine
- docs-rst: document EBUSY for VIDIOC_S_FMT
Please notice that the big diffstat changes here are at the SVG files.
Visually, the images look the same, but the file size is now a lot
smaller than before, and they don't use some XML tags that would cause
them to be badly parsed by some ImageMagick versions, or to require a
lot of memory by TeTex, with would break PDF output on some
distributions"
* tag 'media/v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (68 commits)
media: atomisp2: array underflow in imx_enum_frame_size()
media: atomisp2: array underflow in ap1302_enum_frame_size()
media: atomisp2: Array underflow in atomisp_enum_input()
media: platform: davinci: drop VPFE_CMD_S_CCDC_RAW_PARAMS
media: platform: davinci: return -EINVAL for VPFE_CMD_S_CCDC_RAW_PARAMS ioctl
media: venus: don't abuse dma_alloc for non-DMA allocations
media: venus: hfi: fix error handling in hfi_sys_init_done()
media: venus: fix compile-test build on non-qcom ARM platform
media: venus: mark PM functions as __maybe_unused
media: cec-notifier: small improvements
media: pulse8-cec: persistent_config should be off by default
media: cec: cec_transmit_attempt_done: ignore CEC_TX_STATUS_MAX_RETRIES
media: staging: atomisp: array underflow in ioctl
media: lirc: LIRC_GET_REC_RESOLUTION should return microseconds
media: svg: avoid too long lines
media: svg files: simplify files
media: selection.svg: simplify the SVG file
media: vimc: set id_table for platform drivers
media: staging: atomisp: disable warnings with cc-disable-warning
media: davinci: variable 'common' set but not used
...
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We've changed the discard command handling into parallel manner.
But, in this change, I forgot decreasing the usage count of the bio
which was used to send discard request. I'm sorry about that.
Fixes: a015434480dc ("ext4: send parallel discards on commit completions")
Signed-off-by: Daeho Jeong <daeho.jeong@samsung.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
- LP87565: set the proper output level for direction_output.
- stm32: fix the kernel build by selecting the hierarchical irqdomain
symbol properly - this happens to be done in the pin control
framework but whatever, it had dependencies to GPIO so we need to
apply it here.
- Select the hierarchical IRQ domain also for Xgene.
- Fix wakeups to work on MXC.
- Fix up the device tree binding on Exar that went astray, also add the
right bindings.
- Fix the unwanted events for edges from the library.
- Fix the unbalanced chanined IRQ on the Tegra.
* tag 'gpio-v4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: tegra: fix unbalanced chained_irq_enter/exit
gpiolib: skip unwanted events, don't convert them to opposite edge
gpio: exar: Use correct property prefix and document bindings
gpio: gpio-mxc: Fix: higher 16 GPIOs usable as wake source
gpio: xgene-sb: select IRQ_DOMAIN_HIERARCHY
pinctrl: stm32: select IRQ_DOMAIN_HIERARCHY instead of depends on
gpio: lp87565: Set proper output level and direction for direction_output
MAINTAINERS: Add entry for Whiskey Cove PMIC GPIO driver
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A handful of critical fixes for changes introduce this merge window.
- The TI sci_clk_get() API was pretty broken and nobody noticed.
- There were some CPUfreq crashes on C.H.I.P devices because we
failed to propagate rates up the clk tree.
- Also, the Intel Atom PMC clk driver needs to mark a clk critical if
the firmware has it enabled already so that audio doesn't get
killed on Baytrail.
- Gemini devices have a dead serial console because the reset control
usage in the serial driver assume one method of reset that gemini
doesn't support (this will be fixed in the next version in the
reset framework so this is the small fix for -rc series).
- Finally we have two rate calculation fixes, one for Exynos and one
for Meson SoCs, that fix rate inconsistencies"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: keystone: sci-clk: Fix sci_clk_get
clk: meson: mpll: fix mpll0 fractional part ignored
clk: samsung: exynos5420: The EPLL rate table corrections
clk: sunxi-ng: sun5i: Add clk_set_rate_parent to the CPU clock
clk: x86: Do not gate clocks enabled by the firmware
clk: gemini: Fix reset regression
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Pull KVM fixes from Radim Krčmář:
"ARM:
- Yet another race with VM destruction plugged
- A set of small vgic fixes
x86:
- Preserve pending INIT
- RCU fixes in paravirtual async pf, VM teardown, and VMXOFF
emulation
- nVMX interrupt injection and dirty tracking fixes
- initialize to make UBSAN happy"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm/arm64: vgic: Use READ_ONCE fo cmpxchg
KVM: nVMX: Fix interrupt window request with "Acknowledge interrupt on exit"
KVM: nVMX: mark vmcs12 pages dirty on L2 exit
kvm: nVMX: don't flush VMCS12 during VMXOFF or VCPU teardown
KVM: nVMX: do not pin the VMCS12
KVM: avoid using rcu_dereference_protected
KVM: X86: init irq->level in kvm_pv_kick_cpu_op
KVM: X86: Fix loss of pending INIT due to race
KVM: async_pf: make rcu irq exit if not triggered from idle task
KVM: nVMX: fixes to nested virt interrupt injection
KVM: nVMX: do not fill vm_exit_intr_error_code in prepare_vmcs12
KVM: arm/arm64: Handle hva aging while destroying the vm
KVM: arm/arm64: PMU: Fix overflow interrupt injection
KVM: arm/arm64: Fix bug in advertising KVM_CAP_MSI_DEVID capability
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Thomas Gleixner:
"The recent irq core changes unearthed API abuse in the HPET code,
which manifested itself in a suspend/resume regression.
The fix replaces the cruft with the proper function calls and cures
the regression"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hpet: Cure interface abuse in the resume path
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Thomas Gleixner:
"A single fix for a multiplication overflow in the timer code on 32bit
systems"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Fix overflow in get_next_timer_interrupt
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This comes a bit later than I planned, and as a consequence is a
larger than it should be.
Most of the changes are devicetree fixes, across lots of platforms:
Renesas, Samsung Exynos, Marvell EBU, TI OMAP, Rockchips, Amlogic
Meson, Sigma Desings Tango, Allwinner SUNxi and TI Davinci.
Also across many platforms, I applied an older series of simple
randconfig build fixes. This includes making the CONFIG_MTD_XIP option
compile again, which had been broken for many years and probably has
not been missed, but it felt wrong to just remove it completely.
The only other changes are:
- We enable HWSPINLOCK in defconfig to get some Qualcomm boards to
work out of the box.
- A few regression fixes for Texas Instruments OMAP2+.
- A boot regression fix for the Renesas regulator quirk.
- A suspend/resume fix for Uniphier SoCs, fixing the resume of the
system bus"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
ARM: dts: tango4: Request RGMII RX and TX clock delays
bus: uniphier-system-bus: set up registers when resuming
ARM64: dts: marvell: armada-37xx: Fix the number of GPIO on south bridge
ARM: shmobile: rcar-gen2: Fix deadlock in regulator quirk
arm64: defconfig: enable missing HWSPINLOCK
ARM: pxa: select both FB and FB_W100 for eseries
ARM: ixp4xx: fix ioport_unmap definition
ARM: ep93xx: use ARM_PATCH_PHYS_VIRT correctly
ARM: mmp: mark usb_dma_mask as __maybe_unused
ARM: omap2: mark unused functions as __maybe_unused
ARM: omap1: avoid unused variable warning
ARM: sirf: mark sirfsoc_init_late as __maybe_unused
ARM: ixp4xx: use normal prototype for {read,write}s{b,w,l}
ARM: omap1/ams-delta: warn about failed regulator enable
ARM: rpc: rename RAM_SIZE macro
ARM: w90x900: normalize clk API
ARM: ep93xx: normalize clk API
ARM: dts: sun8i: a83t: Switch to CCU device tree binding macros
arm64: allwinner: sun50i-a64: Correct emac register size
ARM: dts: sunxi: h3/h5: Correct emac register size
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"Here are some more arm64 fixes for 4.13. The main one is the PTE race
with the hardware walker, but there are a couple of other things too.
- Report correct timer frequency to userspace when trapping
CNTFRQ_EL0
- Fix race with hardware page table updates when updating access
flags
- Silence clang overflow warning in VA_START and PAGE_OFFSET
calculations"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: avoid overflow in VA_START and PAGE_OFFSET
arm64: Fix potential race with hardware DBM in ptep_set_access_flags()
arm64: Use arch_timer_get_rate when trapping CNTFRQ_EL0
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