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A bvec can now consist of multiple physically contiguous pages.
This means that bvec_iter_advance() can move to a different page while
staying in the same bvec (i.e. ->bi_bvec_done != 0).
The messenger works in terms of segments which can now be defined as
the smaller of a bvec and a page. The "more bytes to process in this
segment" condition holds only if bvec_iter_advance() leaves us in the
same bvec _and_ in the same page. On next bvec (possibly in the same
page) and on next page (possibly in the same bvec) we may need to set
->last_piece.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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When connecting PHY, we set the mode to PHY_INTERFACE_MODE_GMII which is
not always correct. Specifically on boards where RGMII_RXID is needed
networking now longer works with at803x after commit 6d4cd041f0af
("net: phy: at803x: disable delay only for RGMII mode").
Fix by passing the correct mode. Tested on EdgeRouter Lite
(RGMII_RXID, at803x PHY) and D-Link DSR-500N (RGMII, broadcom PHY).
Fixes: 6d4cd041f0af ("net: phy: at803x: disable delay only for RGMII mode")
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need to set "err" on this error path.
Fixes: 187ac53e590c ("staging: vchiq_arm: rework probe and init functions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Complete read error handling paths for all three kinds of
compressed pages:
1) For cache-managed pages, PG_uptodate will be checked since
read_endio will unlock and SetPageUptodate for these pages;
2) For inplaced pages, read_endio cannot SetPageUptodate directly
since it should be used to mark the final decompressed data,
PG_error will be set with page locked for IO error instead;
3) For staging pages, PG_error is used, which is similar to
what we do for inplaced pages.
Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support")
Cc: <stable@vger.kernel.org> # 4.19+
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It appears on some slower systems that the driver can find its way
out of the workqueue while the interrupt is disabled by continuous polling
by it.
Move MACvIntEnable to vnt_interrupt_work so that it is always enabled
on all routes out of vnt_interrupt_process.
Move MACvIntDisable so that the device doesn't keep polling the system
while the workqueue is being processed.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
CC: stable@vger.kernel.org # v4.2+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- A bunch of fixes to cleanup path in meson
- Fix the DMT TDMS clock filtering on meson
- Fix an issue with NV12 buffers on rockchip when scaling is active
- Fix a couple of use-after-free
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190325104523.obnfelgvaglyhe5e@flea
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The USB OTG binding we have mandates to have a dr_mode property, yet not
all boards are setting it.
Since the generic otg binding states that the default mode should be the
OTG mode, let's use that one in our DTSI.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The NAND pinctrl nodes names don't follow the pattern we've used and
enforced for some time. Make sure they do.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The children nodes of the pinctrl node hadn't have any reg property for
quite some time, so we don't need the size-cells property. Remove it.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The SATA controller never have any children nodes, so we don't need the
address and size cells properties.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The AHCI node was introduced with a typo in the reset-names property that
got written resets-name instead.
This was working because the reset is optional for that driver, and the
controller was put out of reset by the bootloader.
Fixes: 41c64d3318aa ("ARM: dts: sun8i: r40: add sata node")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Even though it doesn't make any difference at the binary level, the reg
property is an array of cells, and should be represented as such.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The regulator properties suffix is -supply, yet a _supply slipped in.
This was working because the regulator framework will provide a dummy
regulator when none is provided in the device tree, and the regulator
itself was always enabled.
Fixes: 90c5d7cdae64 ("ARM: dts: sun8i: a711: Add regulator support")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Even though we shouldn't really have any external user of the clock
provided by the TCON, if clock-output-names is set, then #clock-cells must
be there as well.
Fix this.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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While the USB PHY Device Tree mandates that the name of the VBUS detect pin
should be usb0_vbus_det-gpios, a significant number of device tree use
usb0_vbus_det-gpio instead.
This was functional because the GPIO framework falls back to the gpio
suffix that is legacy, but we should fix this.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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While the USB PHY Device Tree mandates that the name of the ID detect pin
should be usb0_id_det-gpios, a significant number of device tree use
usb0_id_det-gpio instead.
This was functional because the GPIO framework falls back to the gpio
suffix that is legacy, but we should fix this.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The i2c-gpio driver uses named gpios now and the array of GPIOs is
deprecated. Switch to the new binding.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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As can be shown by the YAML schema now, the combination of GIC compatibles
we were using has never been an option.
Switch to the gic-400 variant, which is the more correct option.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Some nodes still have pinctrl-names entry, yet they don't have any pinctrl
group anymore. Drop them.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Commit 1848f3f44444 ("ARM: dts: sun9i: Remove GPIO pinctrl nodes to avoid
warnings") was wrong on the optimus, and instead of droping the
pinctrl-names property, it dropped the regulator-name one.
Obviously, that wasn't what was intended. Reinstate regulator-name and drop
pinctrl-names.
Fixes: 1848f3f44444 ("ARM: dts: sun9i: Remove GPIO pinctrl nodes to avoid warnings")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Commit 1f8afea8fee0 ("dt-bindings: Add YAML description for Allwinner
boards") added an exhaustive list of the valid compatibles used for both
the SoCs and boards.
We can therefore remove the old documentation, that never got as well
updated as it should have.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The A23 and A33 both have an I2C controller in the ARISC domain, that share
the same pins with the RSB bus.
Even if it's an unusual configuration, that device can be used to drive the
PMIC, so let's use it.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The DSI bindings require that an address cell size of 1, and a size cell of
0. Instead of duplicating it in each and every board DTS file, let's put it
in the DTSI.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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We've never had a board compatibles documentation for the Allwinner boards
so far.
Let's create a json-schema for them.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The soc node in the A80 DTSI has a ranges property, but no matching unit
address, which results in a DTC warning. Add the unit address to remove
that warning.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Our display engine endpoints trigger some DTC warnings due to the fact that
we're having a single endpoint that doesn't need any reg property, and
since we don't have a reg property, we don't need the address-cells and
size-cells properties anymore.
Fix those
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Since most of the display IPs have a single endpoint, having a reg
property, a unit-address and #address-cells and #size-cells will emit a
warning.
Let's remove those.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Unlike what the binding for multiple pipeline documents, the A83t doesn't
have the cross links between the TCON and the mixers.
Let's add them.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Make sure that A20 Olimex Lime2 pin bank regulators are
properly represented.
While pin banks A, B and F are connected to 3.3V static
regulator, pin banks E and G tied with LDO3 and LDO4 regulators
with 2.8V reference.
Signed-off-by: Priit Laes <priit.laes@paf.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Since only one alternative at a time is used, and some functions may not
be used at all, this cuts down the size of the board dtb files a bit.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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This adds pinctrl settings the EMAC using pins in the PH block.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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This adds pinctrl settings for the CAN controller using pins
PA16 and PA17.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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This adds pinctrl settings for various missing uart options.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The H3 and H5 have never been converted to the new convention we want to
have for the pinctrl nodes.
Convert them.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Some nodes still have pinctrl-names entry, yet they don't have any pinctrl
group anymore. Drop them.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Some pinctrl node names for the A64 and H6 do not follow the convention
that we switched to and enforced, most notably by using underscores in node
names, which also trigger a DTC warning.
Let's change that.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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The pinctrl binding mandates that we have the three clocks fed into the PIO
described.
Even though the old case is still supported for backward compatibility, we
should update our DTs to fix this.
Fixes: 6bc37fac30cf ("arm64: dts: add Allwinner A64 SoC .dtsi")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Commit a7f7047ffcee ("arm64: dts: allwinner: a64: Add cross links for the
mixers") introduced a few errors while fixing the cross links. Make sure to
correct them.
Fixes: a7f7047ffcee ("arm64: dts: allwinner: a64: Add cross links for the mixers")
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Even though we shouldn't really have any external user of the clock
provided by the TCON, if clock-output-names is set, then #clock-cells must
be there as well.
Fix this.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
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In case of direct write -EAGAIN will be returned if page cache was
previously populated. To avoid immediate completion of a request
with -EAGAIN error write has to be offloaded to the async worker,
like io_read() does.
Signed-off-by: Roman Penyaev <rpenyaev@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Inside sbitmap_queue_clear(), once the clear bit is set, it will be
visiable to allocation path immediately. Meantime READ/WRITE on old
associated instance(such as request in case of blk-mq) may be
out-of-order with the setting clear bit, so race with re-allocation
may be triggered.
Adds one memory barrier for ordering READ/WRITE of the freed associated
instance with setting clear bit for avoiding race with re-allocation.
The following kernel oops triggerd by block/006 on aarch64 may be fixed:
[ 142.330954] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000330
[ 142.338794] Mem abort info:
[ 142.341554] ESR = 0x96000005
[ 142.344632] Exception class = DABT (current EL), IL = 32 bits
[ 142.350500] SET = 0, FnV = 0
[ 142.353544] EA = 0, S1PTW = 0
[ 142.356678] Data abort info:
[ 142.359528] ISV = 0, ISS = 0x00000005
[ 142.363343] CM = 0, WnR = 0
[ 142.366305] user pgtable: 64k pages, 48-bit VAs, pgdp = 000000002a3c51c0
[ 142.372983] [0000000000000330] pgd=0000000000000000, pud=0000000000000000
[ 142.379777] Internal error: Oops: 96000005 [#1] SMP
[ 142.384613] Modules linked in: null_blk ib_isert iscsi_target_mod ib_srpt target_core_mod ib_srp scsi_transport_srp vfat fat rpcrdma sunrpc rdma_ucm ib_iser rdma_cm iw_cm libiscsi ib_umad scsi_transport_iscsi ib_ipoib ib_cm mlx5_ib ib_uverbs ib_core sbsa_gwdt crct10dif_ce ghash_ce ipmi_ssif sha2_ce ipmi_devintf sha256_arm64 sg sha1_ce ipmi_msghandler ip_tables xfs libcrc32c mlx5_core sdhci_acpi mlxfw ahci_platform at803x sdhci libahci_platform qcom_emac mmc_core hdma hdma_mgmt i2c_dev [last unloaded: null_blk]
[ 142.429753] CPU: 7 PID: 1983 Comm: fio Not tainted 5.0.0.cki #2
[ 142.449458] pstate: 00400005 (nzcv daif +PAN -UAO)
[ 142.454239] pc : __blk_mq_free_request+0x4c/0xa8
[ 142.458830] lr : blk_mq_free_request+0xec/0x118
[ 142.463344] sp : ffff00003360f6a0
[ 142.466646] x29: ffff00003360f6a0 x28: ffff000010e70000
[ 142.471941] x27: ffff801729a50048 x26: 0000000000010000
[ 142.477232] x25: ffff00003360f954 x24: ffff7bdfff021440
[ 142.482529] x23: 0000000000000000 x22: 00000000ffffffff
[ 142.487830] x21: ffff801729810000 x20: 0000000000000000
[ 142.493123] x19: ffff801729a50000 x18: 0000000000000000
[ 142.498413] x17: 0000000000000000 x16: 0000000000000001
[ 142.503709] x15: 00000000000000ff x14: ffff7fe000000000
[ 142.509003] x13: ffff8017dcde09a0 x12: 0000000000000000
[ 142.514308] x11: 0000000000000001 x10: 0000000000000008
[ 142.519597] x9 : ffff8017dcde09a0 x8 : 0000000000002000
[ 142.524889] x7 : ffff8017dcde0a00 x6 : 000000015388f9be
[ 142.530187] x5 : 0000000000000001 x4 : 0000000000000000
[ 142.535478] x3 : 0000000000000000 x2 : 0000000000000000
[ 142.540777] x1 : 0000000000000001 x0 : ffff00001041b194
[ 142.546071] Process fio (pid: 1983, stack limit = 0x000000006460a0ea)
[ 142.552500] Call trace:
[ 142.554926] __blk_mq_free_request+0x4c/0xa8
[ 142.559181] blk_mq_free_request+0xec/0x118
[ 142.563352] blk_mq_end_request+0xfc/0x120
[ 142.567444] end_cmd+0x3c/0xa8 [null_blk]
[ 142.571434] null_complete_rq+0x20/0x30 [null_blk]
[ 142.576194] blk_mq_complete_request+0x108/0x148
[ 142.580797] null_handle_cmd+0x1d4/0x718 [null_blk]
[ 142.585662] null_queue_rq+0x60/0xa8 [null_blk]
[ 142.590171] blk_mq_try_issue_directly+0x148/0x280
[ 142.594949] blk_mq_try_issue_list_directly+0x9c/0x108
[ 142.600064] blk_mq_sched_insert_requests+0xb0/0xd0
[ 142.604926] blk_mq_flush_plug_list+0x16c/0x2a0
[ 142.609441] blk_flush_plug_list+0xec/0x118
[ 142.613608] blk_finish_plug+0x3c/0x4c
[ 142.617348] blkdev_direct_IO+0x3b4/0x428
[ 142.621336] generic_file_read_iter+0x84/0x180
[ 142.625761] blkdev_read_iter+0x50/0x78
[ 142.629579] aio_read.isra.6+0xf8/0x190
[ 142.633409] __io_submit_one.isra.8+0x148/0x738
[ 142.637912] io_submit_one.isra.9+0x88/0xb8
[ 142.642078] __arm64_sys_io_submit+0xe0/0x238
[ 142.646428] el0_svc_handler+0xa0/0x128
[ 142.650238] el0_svc+0x8/0xc
[ 142.653104] Code: b9402a63 f9000a7f 3100047f 540000a0 (f9419a81)
[ 142.659202] ---[ end trace 467586bc175eb09d ]---
Fixes: ea86ea2cdced20057da ("sbitmap: ammortize cost of clearing bits")
Reported-and-bisected_and_tested-by: Yi Zhang <yi.zhang@redhat.com>
Cc: Yi Zhang <yi.zhang@redhat.com>
Cc: "jianchao.wang" <jianchao.w.wang@oracle.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We now wrap sbitmap waitqueues in an active counter, so we can avoid
iterating wakeups unless we have waiters there. This works as long as
everyone that's manipulating the waitqueues use the proper helpers. For
the tag wait case for shared tags, however, we add ourselves to the
waitqueue without incrementing/decrementing the ->ws_active count. This
means that wakeups can take a long time to happen.
Fix this by manually doing the inc/dec as needed for the wait queue
handling.
Reported-by: Michael Leun <kbug@newton.leun.net>
Tested-by: Michael Leun <kbug@newton.leun.net>
Cc: stable@vger.kernel.org
Reviewed-by: Omar Sandoval <osandov@fb.com>
Fixes: 5d2ee7122c73 ("sbitmap: optimize wakeup check")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The SoC name EXYNOS5420 was misspelled.
Signed-off-by: Benjamin Drung <bdrung@posteo.de>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
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read_u32_array"
This reverts commit 906b40b246b0 ("dmaengine: stm32-mdma: Add a check on
read_u32_array")
As stated by bindings "st,ahb-addr-masks" is optional.
The statement inserted by this commit makes this property
mandatory and prevents MDMA to be probed in case property not present.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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