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This is mostly to reorder the entries as they've moved in the Kconfig
hierarchies. Doing this periodically (but not very often) simplifies
conflict resolution for new options, etc.
Link: https://lore.kernel.org/r/20191205211438.27552-3-olof@lixom.net
Signed-off-by: Olof Johansson <olof@lixom.net>
Bob's extensive filesystem withdrawal and recovery testing:
- Don't write log headers after file system withdraw
- clean up iopen glock mess in gfs2_create_inode
- Close timing window with GLF_INVALIDATE_IN_PROGRESS
- Abort gfs2_freeze if io error is seen
- Don't loop forever in gfs2_freeze if withdrawn
- fix infinite loop in gfs2_ail1_flush on io error
- Introduce function gfs2_withdrawn
- fix glock reference problem in gfs2_trans_remove_revoke
Filesystems with a block size smaller than the page size:
- Fix end-of-file handling in gfs2_page_mkwrite
- Improve mmap write vs. punch_hole consistency
Other:
- Remove active journal side effect from gfs2_write_log_header
- Multi-block allocations in gfs2_page_mkwrite
Minor cleanups and coding style fixes:
- Remove duplicate call from gfs2_create_inode
- make gfs2_log_shutdown static
- make gfs2_fs_parameters static
- Some whitespace cleanups
- removed unnecessary semicolon
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Merge tag 'gfs2-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull GFS2 updates from Andreas Gruenbacher:
"Bob's extensive filesystem withdrawal and recovery testing:
- don't write log headers after file system withdraw
- clean up iopen glock mess in gfs2_create_inode
- close timing window with GLF_INVALIDATE_IN_PROGRESS
- abort gfs2_freeze if io error is seen
- don't loop forever in gfs2_freeze if withdrawn
- fix infinite loop in gfs2_ail1_flush on io error
- introduce function gfs2_withdrawn
- fix glock reference problem in gfs2_trans_remove_revoke
Filesystems with a block size smaller than the page size:
- fix end-of-file handling in gfs2_page_mkwrite
- improve mmap write vs. punch_hole consistency
Other:
- remove active journal side effect from gfs2_write_log_header
- multi-block allocations in gfs2_page_mkwrite
Minor cleanups and coding style fixes:
- remove duplicate call from gfs2_create_inode
- make gfs2_log_shutdown static
- make gfs2_fs_parameters static
- some whitespace cleanups
- removed unnecessary semicolon"
* tag 'gfs2-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Don't write log headers after file system withdraw
gfs2: Remove duplicate call from gfs2_create_inode
gfs2: clean up iopen glock mess in gfs2_create_inode
gfs2: Close timing window with GLF_INVALIDATE_IN_PROGRESS
gfs2: Abort gfs2_freeze if io error is seen
gfs2: Don't loop forever in gfs2_freeze if withdrawn
gfs2: fix infinite loop in gfs2_ail1_flush on io error
gfs2: Introduce function gfs2_withdrawn
gfs2: fix glock reference problem in gfs2_trans_remove_revoke
gfs2: make gfs2_log_shutdown static
gfs2: Remove active journal side effect from gfs2_write_log_header
gfs2: Fix end-of-file handling in gfs2_page_mkwrite
gfs2: Multi-block allocations in gfs2_page_mkwrite
gfs2: Improve mmap write vs. punch_hole consistency
gfs2: make gfs2_fs_parameters static
gfs2: Some whitespace cleanups
gfs2: removed unnecessary semicolon
This brings in the mainline tree right after armsoc contents was merged
this release cycle, so that we can re-run savedefconfig, etc.
Signed-off-by: Olof Johansson <olof@lixom.net>
mappings are handled and a conversion to the new mount API (slightly
complicated by the fact that we had a common option parsing framework
that called out into rbd and the filesystem instead of them calling
into it). Also included a few scattered fixes and a MAINTAINERS update
for rbd, adding Dongsheng as a reviewer.
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Merge tag 'ceph-for-5.5-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"The two highlights are a set of improvements to how rbd read-only
mappings are handled and a conversion to the new mount API (slightly
complicated by the fact that we had a common option parsing framework
that called out into rbd and the filesystem instead of them calling
into it).
Also included a few scattered fixes and a MAINTAINERS update for rbd,
adding Dongsheng as a reviewer"
* tag 'ceph-for-5.5-rc1' of git://github.com/ceph/ceph-client:
libceph, rbd, ceph: convert to use the new mount API
rbd: ask for a weaker incompat mask for read-only mappings
rbd: don't query snapshot features
rbd: remove snapshot existence validation code
rbd: don't establish watch for read-only mappings
rbd: don't acquire exclusive lock for read-only mappings
rbd: disallow read-write partitions on images mapped read-only
rbd: treat images mapped read-only seriously
rbd: introduce RBD_DEV_FLAG_READONLY
rbd: introduce rbd_is_snap()
ceph: don't leave ino field in ceph_mds_request_head uninitialized
ceph: tone down loglevel on ceph_mdsc_build_path warning
rbd: update MAINTAINERS info
ceph: fix geting random mds from mdsmap
rbd: fix spelling mistake "requeueing" -> "requeuing"
ceph: make several helper accessors take const pointers
libceph: drop unnecessary check from dispatch() in mon_client.c
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Merge tag 'fuse-update-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse update from Miklos Szeredi:
- Fix a regression introduced in the last release
- Fix a number of issues with validating data coming from userspace
- Some cleanups in virtiofs
* tag 'fuse-update-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix Kconfig indentation
fuse: fix leak of fuse_io_priv
virtiofs: Use completions while waiting for queue to be drained
virtiofs: Do not send forget request "struct list_head" element
virtiofs: Use a common function to send forget
virtiofs: Fix old-style declaration
fuse: verify nlink
fuse: verify write return
fuse: verify attributes
Summary of modules changes for the 5.5 merge window:
- Refactor include/linux/export.h and remove code duplication between
EXPORT_SYMBOL and EXPORT_SYMBOL_NS to make it more readable. The most
notable change is that no namespace is represented by an empty string ""
rather than NULL.
- Fix a module load/unload race where waiter(s) trying to load the same
module weren't being woken up when a module finally goes away.
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull modules updates from Jessica Yu:
"Summary of modules changes for the 5.5 merge window:
- Refactor include/linux/export.h and remove code duplication between
EXPORT_SYMBOL and EXPORT_SYMBOL_NS to make it more readable.
The most notable change is that no namespace is represented by an
empty string "" rather than NULL.
- Fix a module load/unload race where waiter(s) trying to load the
same module weren't being woken up when a module finally goes away"
* tag 'modules-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
kernel/module.c: wakeup processes in module_wq on module unload
moduleparam: fix parameter description mismatch
export: avoid code duplication in include/linux/export.h
Pull m68knommu update from Greg Ungerer:
"Only a single change, to enable coldfire preemption entry code for all
preemption types"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k/coldfire: Use CONFIG_PREEMPTION
We keep this in a separate branch to avoid cross-branch conflicts, but
most of the material here is fairly boring -- some new drivers turned on
for hardware since they were merged, and some refreshed files due to
time having moved a lot of entries around.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC defconfig updates from Olof Johansson:
"We keep this in a separate branch to avoid cross-branch conflicts, but
most of the material here is fairly boring -- some new drivers turned
on for hardware since they were merged, and some refreshed files due
to time having moved a lot of entries around"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (36 commits)
ARM: config: multi_v5: ASPEED SDHCI, SGPIO
ARM: configs: multi_v7: ASPEED network, gpio, FSI
ARM: config: aspeed-g4: Add MMC, and cleanup
ARM: config: aspeed-g5: Add SGPIO and FSI drivers
ARM: config: aspeed-g5: Enable 8250_DW quirks
arm64: defconfig: Change CONFIG_AT803X_PHY from m to y
ARM: shmobile: defconfig: Refresh for v5.4-rc1
arm64: defconfig: Enable R8A77961 SoC
ARM: configs: sunxi: Enable MICREL_PHY
arm64: defconfig: add new Allwinner crypto options
ARM: configs: sunxi: add new Allwinner crypto options
ARM: tegra: Enable Tegra VDE driver in tegra_defconfig
ARM: imx_v6_v7_defconfig: Enable CONFIG_TOUCHSCREEN_DA9052
arm64: defconfig: Enable configs for S32V234
arm64: defconfig: Enable CONFIG_KEYBOARD_IMX_SC_KEY as module
arm64: defconfig: Enable SMMU v3 PMCG
arm64: defconfig: Enable HiSilicon ZIP controller
arm64: defconfig: enable Altera GPIO controller
ARM: multi_v7_defconfig: Enable audio support for stm32mp157
arm64: defconfig: enable rsu driver
...
Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Olof Johansson:
"Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (150 commits)
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
memory: tegra: Consolidate registers definition into common header
memory: tegra: Ensure timing control debug features are disabled
memory: tegra: Introduce Tegra30 EMC driver
memory: tegra: Do not handle error from wait_for_completion_timeout()
memory: tegra: Increase handshake timeout on Tegra20
memory: tegra: Print a brief info message about EMC timings
memory: tegra: Pre-configure debug register on Tegra20
memory: tegra: Include io.h instead of iopoll.h
memory: tegra: Adapt for Tegra20 clock driver changes
memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
memory: tegra: Add gr2d and gr3d to DRM IOMMU group
memory: tegra: Set DMA mask based on supported address bits
soc: at91: Add Atmel SFR SN (Serial Number) support
memory: atmel-ebi: switch to SPDX license identifiers
memory: atmel-ebi: move NUM_CS definition inside EBI driver
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
...
Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430).
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC platform updates from Olof Johansson:
"Most of these are for MMP (seeing a bunch of cleanups and refactorings
for the first time in a while), and for OMAP (a bunch of cleanups and
added support for voltage controller on OMAP4430)"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
ARM: OMAP2+: Add missing put_device() call in omapdss_init_of()
OMAP2: fixup doc comments in omap_device
ARM: OMAP1: drop duplicated dependency on ARCH_OMAP1
ARM: ASPEED: update default ARCH_NR_GPIO for ARCH_ASPEED
ARM: imx: use generic function to exit coherency
ARM: tegra: Use WFE for power-gating on Tegra30
ARM: tegra: Fix FLOW_CTLR_HALT register clobbering by tegra_resume()
ARM: exynos: Enable exynos-asv driver for ARCH_EXYNOS
ARM: s3c: Rename s5p_usb_phy functions
ARM: s3c: Rename s3c64xx_spi_setname() function
ARM: imx: Add serial number support for i.MX6/7 SoCs
ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
arm64: Introduce config for S32
ARM: hisi: drop useless depend on ARCH_MULTI_V7
arm64: realtek: Select reset controller
ARM: shmobile: rcar-gen2: Drop legacy DT clock support
ARM: OMAP2+: Remove duplicated include from pmic-cpcap.c
ARM: OMAP1: ams-delta FIQ: Fix a typo ("Initiaize")
MAINTAINERS: Add logicpd-som-lv and logicpd-torpedo to OMAP TREE
ARM: OMAP2+: pdata-quirks: drop TI_ST/KIM support
...
Various changes and minor fixes across a couple of drivers.
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Merge tag 'pwm/for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"Various changes and minor fixes across a couple of drivers"
* tag 'pwm/for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: stm32: Pass breakinput instead of its values
pwm: stm32: Remove clutter from ternary operator
pwm: stm32: Validate breakinput data from DT
pwm: Update comment on struct pwm_ops::apply
pwm: sun4i: Fix incorrect calculation of duty_cycle/period
pwm: stm32: Add power management support
pwm: stm32: Split breakinput apply routine to ease PM support
dt-bindings: pwm-stm32: Document pinctrl sleep state
pwm: sun4i: Drop redundant assignment to variable pval
dt-bindings: pwm: mediatek: Remove gratuitous compatible string for MT7629
Pull thermal management updates from Zhang Rui:
- Fix a deadlock regression in thermal core framework, which was
introduced in 5.3 (Wei Wang)
- Initialize thermal control framework earlier to enable thermal
mitigation during boot (Amit Kucheria)
- Convert the Intelligent Power Allocator (IPA) thermal governor to
follow the generic PM_EM instead of its own Energy Model (Quentin
Perret)
- Introduce a new Amlogic soc thermal driver (Guillaume La Roque)
- Add interrupt support for tsens thermal driver (Amit Kucheria)
- Add support for MSM8956/8976 in tsens thermal driver
(AngeloGioacchino Del Regno)
- Add support for r8a774b1 in rcar thermal driver (Biju Das)
- Add support for Thermal Monitor Unit v2 in qoriq thermal driver
(Yuantian Tang)
- Some other fixes/cleanups on thermal core framework and soc thermal
drivers (Colin Ian King, Daniel Lezcano, Hsin-Yi Wang, Tian Tao)
* 'thermal/next' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: (32 commits)
thermal: Fix deadlock in thermal thermal_zone_device_check
thermal: cpu_cooling: Migrate to using the EM framework
thermal: cpu_cooling: Make the power-related code depend on IPA
PM / EM: Declare EM data types unconditionally
arm64: defconfig: Enable CONFIG_ENERGY_MODEL
drivers: thermal: tsens: fix potential integer overflow on multiply
thermal: cpu_cooling: Reorder the header file
thermal: cpu_cooling: Remove pointless dependency on CONFIG_OF
thermal: no need to set .owner when using module_platform_driver
thermal: qcom: tsens-v1: Fix kfree of a non-pointer value
cpufreq: qcom-hw: Move driver initialization earlier
clk: qcom: Initialize clock drivers earlier
cpufreq: Initialize cpufreq-dt driver earlier
cpufreq: Initialize the governors in core_initcall
thermal: Initialize thermal subsystem earlier
thermal: Remove netlink support
dt: thermal: tsens: Document compatible for MSM8976/56
thermal: qcom: tsens-v1: Add support for MSM8956 and MSM8976
MAINTAINERS: add entry for Amlogic Thermal driver
thermal: amlogic: Add thermal driver to support G12 SoCs
...
7c20f11680a4 ("bio-integrity: stop abusing bi_end_io") moves
bio_integrity_free from bio_uninit() to bio_integrity_verify_fn()
and bio_endio(). This way looks wrong because bio may be freed
without calling bio_endio(), for example, blk_rq_unprep_clone() is
called from dm_mq_queue_rq() when the underlying queue of dm-mpath
is busy.
So memory leak of bio integrity data is caused by commit 7c20f11680a4.
Fixes this issue by re-adding bio_integrity_free() to bio_uninit().
Fixes: 7c20f11680a4 ("bio-integrity: stop abusing bi_end_io")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by Justin Tee <justin.tee@broadcom.com>
Add commit log, and simplify/fix the original patch wroten by Justin.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The conversion to properties changed one assignment and
missed three other assignments in the same file, fix it
up so the platform compiles.
The bug was reported by a few build bots but noone noticed.
I noticed it when making other changes to the PXA platforms.
Link: https://lore.kernel.org/r/20191203104117.85517-1-linus.walleij@linaro.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Fixes: 50ec88120ea1 ("can: mcp251x: get rid of legacy platform data")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Yet another single fix to avoid double freeing in scmi_device_create
error path
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Merge tag 'scmi-fix-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARM SCMI fix for v5.5
Yet another single fix to avoid double freeing in scmi_device_create
error path
* tag 'scmi-fix-5.5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Avoid double free in error flow
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
Link: https://lore.kernel.org/r/20191202114559.GB20965@bogus
Signed-off-by: Olof Johansson <olof@lixom.net>
Couple of fixes:
1. Fix for UART clock frequency on all Juno variants that exist since
the platform was added. This is mainly due to incorrect Juno SoC
TRM that was referred during initial development days
2. Drop "dma-ranges" property for now as they are triggering loads of
warning on boot
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Merge tag 'juno-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARMv8 Juno fixes for v5.5
Couple of fixes:
1. Fix for UART clock frequency on all Juno variants that exist since
the platform was added. This is mainly due to incorrect Juno SoC
TRM that was referred during initial development days
2. Drop "dma-ranges" property for now as they are triggering loads of
warning on boot
* tag 'juno-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
Revert "arm64: dts: juno: add dma-ranges property"
arm64: dts: juno: Fix UART frequency
arm64: dts: juno: add GPU subsystem
Link: https://lore.kernel.org/r/20191202114338.GA20965@bogus
Signed-off-by: Olof Johansson <olof@lixom.net>
please pull the following:
- Stefan and Eric step down from doing BCM283x maintenance and Nicolas
replaces them both moving forward
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Merge tag 'arm-soc/for-5.5/maintainers-part2' of https://github.com/Broadcom/stblinux into arm/fixes
This pull request contains MAINTAINERS file updates for Broadcom SoCs,
please pull the following:
- Stefan and Eric step down from doing BCM283x maintenance and Nicolas
replaces them both moving forward
* tag 'arm-soc/for-5.5/maintainers-part2' of https://github.com/Broadcom/stblinux:
MAINTAINERS: Make Nicolas Saenz Julienne the new bcm2835 maintainer
Link: https://lore.kernel.org/r/20191127191932.9711-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Fixup a issue was caused by the previous fixup patch.
Fixes: 1a92f989126e ("soc: mediatek: cmdq: reorder the parameter")
Link: https://lore.kernel.org/r/20191127165428.19662-1-matthias.bgg@gmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
snoop_file_poll() is defined as returning 'unsigned int' but the
.poll method is declared as returning '__poll_t', a bitwise type.
Fix this by using the proper return type and using the EPOLL
constants instead of the POLL ones, as required for __poll_t.
Link: https://lore.kernel.org/r/20191121051851.268726-1-joel@jms.id.au
Fixes: 3772e5da4454 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Olof Johansson <olof@lixom.net>
Switch all addresses from @cavium.com to @marvell.com.
On that occasion, switch also to my Marvell address for all my
Cavium/Marvell entries.
Link: https://lore.kernel.org/r/20191119190436.17875-3-rrichter@marvell.com
Cc: Sunil Goutham <sgoutham@marvell.com>
Cc: George Cherian <gcherian@marvell.com>
Cc: soc@kernel.org
Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Remove my maintainer entries for ThunderX drivers as I'm moving on
and won't have access to ThunderX hardware anymore and add Robert.
Also remove the obsolete addresses of David Daney and Steven Hill.
Add an entry to .mailmap for my various email addresses.
Link: https://lore.kernel.org/r/20191119190436.17875-2-rrichter@marvell.com
Cc: Ganapatrao Prabhakerrao Kulkarni <gkulkarni@marvell.com>
Cc: soc@kernel.org
Signed-off-by: Jan Glauber <jglauber@marvell.com>
Signed-off-by: Robert Richter <rrichter@marvell.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Merge more updates from Andrew Morton:
"Most of the rest of MM and various other things. Some Kconfig rework
still awaits merges of dependent trees from linux-next.
Subsystems affected by this patch series: mm/hotfixes, mm/memcg,
mm/vmstat, mm/thp, procfs, sysctl, misc, notifiers, core-kernel,
bitops, lib, checkpatch, epoll, binfmt, init, rapidio, uaccess, kcov,
ubsan, ipc, bitmap, mm/pagemap"
* akpm: (86 commits)
mm: remove __ARCH_HAS_4LEVEL_HACK and include/asm-generic/4level-fixup.h
um: add support for folded p4d page tables
um: remove unused pxx_offset_proc() and addr_pte() functions
sparc32: use pgtable-nopud instead of 4level-fixup
parisc/hugetlb: use pgtable-nopXd instead of 4level-fixup
parisc: use pgtable-nopXd instead of 4level-fixup
nds32: use pgtable-nopmd instead of 4level-fixup
microblaze: use pgtable-nopmd instead of 4level-fixup
m68k: mm: use pgtable-nopXd instead of 4level-fixup
m68k: nommu: use pgtable-nopud instead of 4level-fixup
c6x: use pgtable-nopud instead of 4level-fixup
arm: nommu: use pgtable-nopud instead of 4level-fixup
alpha: use pgtable-nopud instead of 4level-fixup
gpio: pca953x: tighten up indentation
gpio: pca953x: convert to use bitmap API
gpio: pca953x: use input from regs structure in pca953x_irq_pending()
gpio: pca953x: remove redundant variable and check in IRQ handler
lib/bitmap: introduce bitmap_replace() helper
lib/test_bitmap: fix comment about this file
lib/test_bitmap: move exp1 and exp2 upper for others to use
...
bio->bi_blkg will be NULL when the issue of the request
has bypassed the block layer as shown in the following oops:
Internal error: Oops: 96000005 [#1] SMP
CPU: 17 PID: 2996 Comm: scsi_id Not tainted 5.4.0 #4
Call trace:
percpu_counter_add_batch+0x38/0x4c8
bfqg_stats_update_legacy_io+0x9c/0x280
bfq_insert_requests+0xbac/0x2190
blk_mq_sched_insert_request+0x288/0x670
blk_execute_rq_nowait+0x140/0x178
blk_execute_rq+0x8c/0x140
sg_io+0x604/0x9c0
scsi_cmd_ioctl+0xe38/0x10a8
scsi_cmd_blk_ioctl+0xac/0xe8
sd_ioctl+0xe4/0x238
blkdev_ioctl+0x590/0x20e0
block_ioctl+0x60/0x98
do_vfs_ioctl+0xe0/0x1b58
ksys_ioctl+0x80/0xd8
__arm64_sys_ioctl+0x40/0x78
el0_svc_handler+0xc4/0x270
so ensure its validity before using it.
Fixes: fd41e60331b1 ("bfq-iosched: stop using blkg->stat_bytes and ->stat_ios")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Links are created by chaining requests through req->list with an
exception that head uses req->link_list. (e.g. link_list->list->list)
Because of that, io_req_link_next() needs complex splicing to advance.
Link them all through list_list. Also, it seems to be simpler and more
consistent IMHO.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In case of an error io_submit_sqe() drops a request and continues
without it, even if the request was a part of a link. Not only it
doesn't cancel links, but also may execute wrong sequence of actions.
Stop consuming sqes, and let the user handle errors.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When a root user or a user with CAP_SYS_ADMIN privilege uses any
trace_imc performance monitoring unit events, to monitor application
or KVM threads, it may result in a checkstop (System crash).
The cause is frequent switching of the "trace/accumulation" mode of
the In-Memory Collection hardware (LDBAR).
This patch disables the trace_imc PMU unit entirely to avoid
triggering the checkstop. A future patch will reenable it at a later
stage once a workaround has been developed.
Fixes: 012ae244845f ("powerpc/perf: Trace imc PMU functions")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Tested-by: Hariharan T.S. <hari@linux.ibm.com>
[mpe: Add pr_info_once() so dmesg shows the PMU has been disabled]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191118034452.9939-1-maddy@linux.vnet.ibm.com
export_imc_mode_and_cmd() function which creates the debugfs interface
for imc-mode and imc-command, is invoked when each nest pmu units is
registered.
When the first nest pmu unit is registered, export_imc_mode_and_cmd()
creates 'imc' directory under `/debug/powerpc/`. In the subsequent
invocations debugfs_create_dir() function returns, since the directory
already exists.
The recent commit <c33d442328f55> (debugfs: make error message a bit
more verbose), throws a warning if we try to invoke
`debugfs_create_dir()` with an already existing directory name.
Address this warning by making the debugfs directory registration in
the opal_imc_counters_probe() function, i.e invoke
export_imc_mode_and_cmd() function from the probe function.
Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com>
Tested-by: Nageswara R Sastry <nasastry@in.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191127072035.4283-1-anju@linux.vnet.ibm.com
There are no architectures that use include/asm-generic/4level-fixup.h
therefore it can be removed along with __ARCH_HAS_4LEVEL_HACK define.
Link: http://lkml.kernel.org/r/1572938135-31886-14-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The UML port uses 4 and 5 level fixups to support higher level page
table directories in the generic VM code.
Implement primitives necessary for the 4th level folding, add walks of
p4d level where appropriate and drop usage of __ARCH_USE_5LEVEL_HACK.
Link: http://lkml.kernel.org/r/1572938135-31886-13-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
32-bit version of sparc has three-level page tables and can use
pgtable-nopud and folding of the upper layers.
Replace usage of include/asm-generic/4level-fixup.h with
include/asm-generic/pgtable-nopud.h and adjust page table manipulation
macros and functions accordingly.
Link: http://lkml.kernel.org/r/1572938135-31886-11-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
parisc has two or three levels of page tables and can use appropriate
pgtable-nopXd and folding of the upper layers.
Replace usage of include/asm-generic/4level-fixup.h and explicit
definitions of __PAGETABLE_PxD_FOLDED in parisc with
include/asm-generic/pgtable-nopmd.h for two-level configurations and
with include/asm-generic/pgtable-nopud.h for three-lelve configurations
and adjust page table manipulation macros and functions accordingly.
Link: http://lkml.kernel.org/r/1572938135-31886-9-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Helge Deller <deller@gmx.de>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
nds32 has only two-level page tables and can use pgtable-nopmd and
folding of the upper layers.
Replace usage of include/asm-generic/4level-fixup.h and explicit
definition of __PAGETABLE_PMD_FOLDED in nds32 with
include/asm-generic/pgtable-nopmd.h and adjust page table manipulation
macros and functions accordingly.
Link: http://lkml.kernel.org/r/1572938135-31886-8-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
microblaze has only two-level page tables and can use pgtable-nopmd and
folding of the upper layers.
Replace usage of include/asm-generic/4level-fixup.h and explicit
definition of __PAGETABLE_PMD_FOLDED in microblaze with
include/asm-generic/pgtable-nopmd.h and adjust page table manipulation
macros and functions accordingly.
Link: http://lkml.kernel.org/r/1572938135-31886-7-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
m68k has two or three levels of page tables and can use appropriate
pgtable-nopXd and folding of the upper layers.
Replace usage of include/asm-generic/4level-fixup.h and explicit
definitions of __PAGETABLE_PxD_FOLDED in m68k with
include/asm-generic/pgtable-nopmd.h for two-level configurations and
with include/asm-generic/pgtable-nopud.h for three-lelve configurations
and adjust page table manipulation macros and functions accordingly.
[akpm@linux-foundation.org: fix merge glitch]
[geert@linux-m68k.org: more merge glitch fixes]
[akpm@linux-foundation.org: s/bad_pgd/bad_pud/, per Mike]
Link: http://lkml.kernel.org/r/1572938135-31886-6-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The generic nommu implementation of page table manipulation takes care
of folding of the upper levels and does not require fixups.
Simply replace of include/asm-generic/4level-fixup.h with
include/asm-generic/pgtable-nopud.h.
Link: http://lkml.kernel.org/r/1572938135-31886-5-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
c6x is a nommu architecture and does not require fixup for upper layers
of the page tables because it is already handled by the generic nommu
implementation.
Replace usage of include/asm-generic/4level-fixup.h with
include/asm-generic/pgtable-nopud.h
Link: http://lkml.kernel.org/r/1572938135-31886-4-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The generic nommu implementation of page table manipulation takes care
of folding of the upper levels and does not require fixups.
Simply replace of include/asm-generic/4level-fixup.h with
include/asm-generic/pgtable-nopud.h.
Link: http://lkml.kernel.org/r/1572938135-31886-3-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: remove __ARCH_HAS_4LEVEL_HACK", v13.
These patches convert several architectures to use page table folding
and remove __ARCH_HAS_4LEVEL_HACK along with
include/asm-generic/4level-fixup.h.
For the nommu configurations the folding is already implemented by the
generic code so the only change was to use the appropriate header file.
As for the rest, the changes are mostly about mechanical replacement of
pgd accessors with pud/pmd ones and the addition of higher levels to
page table traversals.
With Vineet's patches from "elide extraneous generated code for folded
p4d/pud/pmd" series [1] there is a small shrink of the kernel size of
about -0.01% for the defconfig builds.
This patch (of 13):
It is not likely alpha will have 5-level page tables.
Replace usage of include/asm-generic/4level-fixup.h and implied
__ARCH_HAS_4LEVEL_HACK with include/asm-generic/pgtable-nopud.h and
adjust page table manipulation macros and functions accordingly.
Link: http://lkml.kernel.org/r/1572938135-31886-2-git-send-email-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greentime Hu <green.hu@gmail.com>
Cc: Greg Ungerer <gerg@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Salter <msalter@redhat.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Peter Rosin <peda@axentia.se>
Cc: Richard Weinberger <richard@nod.at>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sam Creasey <sammy@sammy.net>
Cc: Vincent Chen <deanbo422@gmail.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Anatoly Pugachev <matorola@gmail.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There is no need to split some of the lines. However, improve the style
of multi-line comment. On top of this there is no need to have double
space.
Correct above indentation issues without altering the functionality.
Link: http://lkml.kernel.org/r/20191022172922.61232-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
While PCA_PCAL is defined for PCA953X type only, we still may use an
offset of the input from regs structure for sake of consistency.
Link: http://lkml.kernel.org/r/20191022172922.61232-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We always will have at least one iteration of the loop due to pending
being guaranteed to be non-zero. That is, we may remove extra variable
and check in the IRQ handler.
Link: http://lkml.kernel.org/r/20191022172922.61232-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In some drivers we want to have a single operation over bitmap which is
an equivalent to:
*dst = (*old & ~(*mask)) | (*new & *mask)
Introduce bitmap_replace() helper for this.
Link: http://lkml.kernel.org/r/20191022172922.61232-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This test case file is about bitmap API, and not printf() facility.
Link: http://lkml.kernel.org/r/20191022172922.61232-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
One function is using exp as local variable. Avoid ambiguous naming by
rename global one to exp1.
Link: http://lkml.kernel.org/r/20191022172922.61232-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
