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https://mirrors.bfsu.edu.cn/git/linux.git
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bf3c90ee1e
853700 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Amir Goldstein
|
bf3c90ee1e |
cifs: copy_file_range needs to strip setuid bits and update timestamps
cifs has both source and destination inodes locked throughout the copy. Like ->write_iter(), we update mtime and strip setuid bits of destination file before copy and like ->read_iter(), we update atime of source file after copy. Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
Aurelien Aptel
|
7e5a70ad88 |
CIFS: fix deadlock in cached root handling
Prevent deadlock between open_shroot() and
cifs_mark_open_files_invalid() by releasing the lock before entering
SMB2_open, taking it again after and checking if we still need to use
the result.
Link: https://lore.kernel.org/linux-cifs/684ed01c-cbca-2716-bc28-b0a59a0f8521@prodrive-technologies.com/T/#u
Fixes:
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Linus Torvalds
|
ae9b728c8d |
smb3/cifs fixes (3 for stable) and improvements including much faster encryption (SMB3.1.1 GCM)
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|
Linus Torvalds
|
d9b9c89304 |
Lots of exciting things this time!
- support for rbd object-map and fast-diff features (myself). This
will speed up reads, discards and things like snap diffs on sparse
images.
- ceph.snap.btime vxattr to expose snapshot creation time (David
Disseldorp). This will be used to integrate with "Restore Previous
Versions" feature added in Windows 7 for folks who reexport ceph
through SMB.
- security xattrs for ceph (Zheng Yan). Only selinux is supported
for now due to the limitations of ->dentry_init_security().
- support for MSG_ADDR2, FS_BTIME and FS_CHANGE_ATTR features (Jeff
Layton). This is actually a single feature bit which was missing
because of the filesystem pieces. With this in, the kernel client
will finally be reported as "luminous" by "ceph features" -- it is
still being reported as "jewel" even though all required Luminous
features were implemented in 4.13.
- stop NULL-terminating ceph vxattrs (Jeff Layton). The convention
with xattrs is to not terminate and this was causing inconsistencies
with ceph-fuse.
- change filesystem time granularity from 1 us to 1 ns, again fixing
an inconsistency with ceph-fuse (Luis Henriques).
On top of this there are some additional dentry name handling and cap
flushing fixes from Zheng. Finally, Jeff is formally taking over for
Zheng as the filesystem maintainer.
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Merge tag 'ceph-for-5.3-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"Lots of exciting things this time!
- support for rbd object-map and fast-diff features (myself). This
will speed up reads, discards and things like snap diffs on sparse
images.
- ceph.snap.btime vxattr to expose snapshot creation time (David
Disseldorp). This will be used to integrate with "Restore Previous
Versions" feature added in Windows 7 for folks who reexport ceph
through SMB.
- security xattrs for ceph (Zheng Yan). Only selinux is supported for
now due to the limitations of ->dentry_init_security().
- support for MSG_ADDR2, FS_BTIME and FS_CHANGE_ATTR features (Jeff
Layton). This is actually a single feature bit which was missing
because of the filesystem pieces. With this in, the kernel client
will finally be reported as "luminous" by "ceph features" -- it is
still being reported as "jewel" even though all required Luminous
features were implemented in 4.13.
- stop NULL-terminating ceph vxattrs (Jeff Layton). The convention
with xattrs is to not terminate and this was causing
inconsistencies with ceph-fuse.
- change filesystem time granularity from 1 us to 1 ns, again fixing
an inconsistency with ceph-fuse (Luis Henriques).
On top of this there are some additional dentry name handling and cap
flushing fixes from Zheng. Finally, Jeff is formally taking over for
Zheng as the filesystem maintainer"
* tag 'ceph-for-5.3-rc1' of git://github.com/ceph/ceph-client: (71 commits)
ceph: fix end offset in truncate_inode_pages_range call
ceph: use generic_delete_inode() for ->drop_inode
ceph: use ceph_evict_inode to cleanup inode's resource
ceph: initialize superblock s_time_gran to 1
MAINTAINERS: take over for Zheng as CephFS kernel client maintainer
rbd: setallochint only if object doesn't exist
rbd: support for object-map and fast-diff
rbd: call rbd_dev_mapping_set() from rbd_dev_image_probe()
libceph: export osd_req_op_data() macro
libceph: change ceph_osdc_call() to take page vector for response
libceph: bump CEPH_MSG_MAX_DATA_LEN (again)
rbd: new exclusive lock wait/wake code
rbd: quiescing lock should wait for image requests
rbd: lock should be quiesced on reacquire
rbd: introduce copyup state machine
rbd: rename rbd_obj_setup_*() to rbd_obj_init_*()
rbd: move OSD request allocation into object request state machines
rbd: factor out __rbd_osd_setup_discard_ops()
rbd: factor out rbd_osd_setup_copyup()
rbd: introduce obj_req->osd_reqs list
...
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Linus Torvalds
|
0fe49f70a0 |
- Fix a hang condition that started triggering after the Xarray
conversion of fsdax in the v4.20 kernel.
- Add a 'resource' (root-only physical base address) sysfs attribute to
device-dax instances to correlate memory-blocks onlined via the kmem
driver with a given device instance.
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Merge tag 'dax-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull dax updates from Dan Williams:
"The fruits of a bug hunt in the fsdax implementation with Willy and a
small feature update for device-dax:
- Fix a hang condition that started triggering after the Xarray
conversion of fsdax in the v4.20 kernel.
- Add a 'resource' (root-only physical base address) sysfs attribute
to device-dax instances to correlate memory-blocks onlined via the
kmem driver with a given device instance"
* tag 'dax-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: Fix missed wakeup with PMD faults
device-dax: Add a 'resource' attribute
|
||
|
Linus Torvalds
|
f8c3500cd1 |
- virtio_pmem: The new virtio_pmem facility introduces a paravirtualized
persistent memory device that allows a guest VM to use DAX mechanisms to
access a host-file with host-page-cache. It arranges for MAP_SYNC to
be disabled and instead triggers a host fsync() when a 'write-cache
flush' command is sent to the virtual disk device.
- Miscellaneous small fixups.
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Merge tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"Primarily just the virtio_pmem driver:
- virtio_pmem
The new virtio_pmem facility introduces a paravirtualized
persistent memory device that allows a guest VM to use DAX
mechanisms to access a host-file with host-page-cache. It arranges
for MAP_SYNC to be disabled and instead triggers a host fsync()
when a 'write-cache flush' command is sent to the virtual disk
device.
- Miscellaneous small fixups"
* tag 'libnvdimm-for-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
virtio_pmem: fix sparse warning
xfs: disable map_sync for async flush
ext4: disable map_sync for async flush
dax: check synchronous mapping is supported
dm: enable synchronous dax
libnvdimm: add dax_dev sync flag
virtio-pmem: Add virtio pmem driver
libnvdimm: nd_region flush callback support
libnvdimm, namespace: Drop uuid_t implementation detail
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|
Linus Torvalds
|
d77e9e4e18 |
linux-watchdog 5.3-rc1 tag
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||
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Linus Torvalds
|
2ae048e166 |
sound fixes for 5.3-rc1
A collection of small fixes.
- The optimization of PM resume with HD-audio HDMI codecs, which
eventually work around weird issues
- A correction of Intel Icelake HDMI audio code
- Quirks for Dell machines with Realtek HD-audio codecs
- The fix for too long sequencer write stall that was spotted by
syzkaller
- A few trivial cleanups reported by coccinelle
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Merge tag 'sound-fix-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes.
- The optimization of PM resume with HD-audio HDMI codecs, which
eventually work around weird issues
- A correction of Intel Icelake HDMI audio code
- Quirks for Dell machines with Realtek HD-audio codecs
- The fix for too long sequencer write stall that was spotted by
syzkaller
- A few trivial cleanups reported by coccinelle"
* tag 'sound-fix-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Don't resume forcibly i915 HDMI/DP codec
ALSA: hda/hdmi - Fix i915 reverse port/pin mapping
ALSA: hda/hdmi - Remove duplicated define
ALSA: seq: Break too long mutex context in the write loop
ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine
ALSA: rme9652: Unneeded variable: "result".
ALSA: emu10k1: Remove unneeded variable "change"
ALSA: au88x0: Remove unneeded variable: "changed"
ALSA: hda/realtek - Fixed Headphone Mic can't record on Dell platform
ALSA: ps3: Remove Unneeded variable: "ret"
ALSA: lx6464es: Remove unneeded variable err
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Linus Torvalds
|
d0411ec8ca |
More power management updates for 5.3-rc1
- Add MMIO interface support to the Intel RAPL power capping
driver and update the int340X thermal driver to provide a
RAPL MMIO interface (Zhang Rui, Stephen Rothwell).
- Add Intel Ice Lake CPU IDs to the RAPL driver (Zhang Rui,
Rajneesh Bhardwaj).
- Make cpufreq use the PM QoS framework (instead of notifiers) for
managing the min and max frequency constraints (Viresh Kumar).
- Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
Huang).
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Merge tag 'pm-5.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These modify the Intel RAPL driver to allow it to use an MMIO
interface to the hardware, make the int340X thermal driver provide
such an interface for it, add Intel Ice Lake CPU IDs to the RAPL
driver (these changes depend on the previously merged x86 arch
changes), update cpufreq to use the PM QoS framework for managing the
min and max frequency limits, and add update the imx-cpufreq-dt
cpufreq driver to support i.MX8MN.
Specifics:
- Add MMIO interface support to the Intel RAPL power capping driver
and update the int340X thermal driver to provide a RAPL MMIO
interface (Zhang Rui, Stephen Rothwell).
- Add Intel Ice Lake CPU IDs to the RAPL driver (Zhang Rui, Rajneesh
Bhardwaj).
- Make cpufreq use the PM QoS framework (instead of notifiers) for
managing the min and max frequency constraints (Viresh Kumar).
- Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
Huang)"
* tag 'pm-5.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (27 commits)
cpufreq: Make cpufreq_generic_init() return void
intel_rapl: need linux/cpuhotplug.h for enum cpuhp_state
powercap/rapl: Add Ice Lake NNPI support to RAPL driver
powercap/intel_rapl: add support for ICX-D
powercap/intel_rapl: add support for ICX
powercap/intel_rapl: add support for IceLake desktop
intel_rapl: Fix module autoloading issue
int340X/processor_thermal_device: add support for MMIO RAPL
intel_rapl: support two power limits for every RAPL domain
intel_rapl: support 64 bit register
intel_rapl: abstract RAPL common code
intel_rapl: cleanup hardcoded MSR access
intel_rapl: cleanup some functions
intel_rapl: abstract register access operations
intel_rapl: abstract register address
intel_rapl: introduce struct rapl_if_private
intel_rapl: introduce intel_rapl.h
intel_rapl: remove hardcoded register index
intel_rapl: use reg instead of msr
cpufreq: imx-cpufreq-dt: Add i.MX8MN support
...
|
||
|
Linus Torvalds
|
4b09ddbcd1 |
Additional ACPI updates for 5.3-rc1
- Make ACPI table loading work more consistently regardless of the
exact mechanism used for loading a table (Erik Schmauss).
- Get rid of two clang warnings (Arnd Bergmann).
- Add new quirk mechanism to the ACPI backlight driver and use it
to add a quirk for PB Easynote MZ35 (Hans de Goede).
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Merge tag 'acpi-5.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These get rid of two clang warnings, add a new quirk mechanism to the
ACPI backlight driver (and apply it to one machine) and update the
table load object initialization in ACPICA (this is a replacement for
a previously reverted ACPICA commit).
Specifics:
- Make ACPI table loading work more consistently regardless of the
exact mechanism used for loading a table (Erik Schmauss).
- Get rid of two clang warnings (Arnd Bergmann).
- Add new quirk mechanism to the ACPI backlight driver and use it to
add a quirk for PB Easynote MZ35 (Hans de Goede)"
* tag 'acpi-5.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add new hw_changes_brightness quirk, set it on PB Easynote MZ35
ACPI: fix false-positive -Wuninitialized warning
ACPI: blacklist: fix clang warning for unused DMI table
ACPICA: Update table load object initialization
|
||
|
Linus Torvalds
|
47d6a76074 |
Merge branch 'floppy'
Merge floppy ioctl verification fixes from Denis Efremov. This also marks the floppy driver as orphaned - it turns out that Jiri no longer has working hardware. Actual working physical floppy hardware is getting hard to find, and while Willy was able to test this, I think the driver can be considered pretty much dead from an actual hardware standpoint. The hardware that is still sold seems to be mainly USB-based, which doesn't use this legacy driver at all. The old floppy disk controller is still emulated in various VM environments, so the driver isn't going away, but let's see if anybody is interested to step up to maintain it. The lack of hardware also likely means that the ioctl range verification fixes are probably mostly relevant to anybody using floppies in a virtual environment. Which is probably also going away in favor of USB storage emulation, but who knows. Will Decon reviewed the patches but I'm not rebasing them just for that, so I'll add a Reviewed-by: Will Deacon <will@kernel.org> here instead. * floppy: MAINTAINERS: mark floppy.c orphaned floppy: fix out-of-bounds read in copy_buffer floppy: fix invalid pointer dereference in drive_name floppy: fix out-of-bounds read in next_valid_format floppy: fix div-by-zero in setup_format_params |
||
Jiri Kosina
|
be2ece49e6 |
MAINTAINERS: mark floppy.c orphaned
I volunteered myself to maintain it quite some time ago back when I fixed the concurrency issues which exhibited itself only with VM-emulated devices, and at the same time I still had the physical 3.5" reader to test all the changes. The reader doesn't work any more though, so I guess it's time to step down from this super-prestigious role :p and mark floppy.c as Orphaned. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Rafael J. Wysocki
|
2c66a5b52e |
Merge branches 'acpi-misc' and 'acpi-video'
* acpi-misc: ACPI: fix false-positive -Wuninitialized warning ACPI: blacklist: fix clang warning for unused DMI table * acpi-video: ACPI: video: Add new hw_changes_brightness quirk, set it on PB Easynote MZ35 |
||
|
Rafael J. Wysocki
|
918e162e6a |
Merge branch 'pm-cpufreq'
* pm-cpufreq:
cpufreq: Make cpufreq_generic_init() return void
cpufreq: imx-cpufreq-dt: Add i.MX8MN support
cpufreq: Add QoS requests for userspace constraints
cpufreq: intel_pstate: Reuse refresh_frequency_limits()
cpufreq: Register notifiers with the PM QoS framework
PM / QoS: Add support for MIN/MAX frequency constraints
PM / QOS: Pass request type to dev_pm_qos_read_value()
PM / QOS: Rename __dev_pm_qos_read_value() and dev_pm_qos_raw_read_value()
PM / QOS: Pass request type to dev_pm_qos_{add|remove}_notifier()
|
||
Denis Efremov
|
da99466ac2 |
floppy: fix out-of-bounds read in copy_buffer
This fixes a global out-of-bounds read access in the copy_buffer function of the floppy driver. The FDDEFPRM ioctl allows one to set the geometry of a disk. The sect and head fields (unsigned int) of the floppy_drive structure are used to compute the max_sector (int) in the make_raw_rw_request function. It is possible to overflow the max_sector. Next, max_sector is passed to the copy_buffer function and used in one of the memcpy calls. An unprivileged user could trigger the bug if the device is accessible, but requires a floppy disk to be inserted. The patch adds the check for the .sect * .head multiplication for not overflowing in the set_geometry function. The bug was found by syzkaller. Signed-off-by: Denis Efremov <efremov@ispras.ru> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Denis Efremov
|
9b04609b78 |
floppy: fix invalid pointer dereference in drive_name
This fixes the invalid pointer dereference in the drive_name function of the floppy driver. The native_format field of the struct floppy_drive_params is used as floppy_type array index in the drive_name function. Thus, the field should be checked the same way as the autodetect field. To trigger the bug, one could use a value out of range and set the drive parameters with the FDSETDRVPRM ioctl. Next, FDGETDRVTYP ioctl should be used to call the drive_name. A floppy disk is not required to be inserted. CAP_SYS_ADMIN is required to call FDSETDRVPRM. The patch adds the check for a value of the native_format field to be in the '0 <= x < ARRAY_SIZE(floppy_type)' range of the floppy_type array indices. The bug was found by syzkaller. Signed-off-by: Denis Efremov <efremov@ispras.ru> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Denis Efremov
|
5635f897ed |
floppy: fix out-of-bounds read in next_valid_format
This fixes a global out-of-bounds read access in the next_valid_format function of the floppy driver. The values from autodetect field of the struct floppy_drive_params are used as indices for the floppy_type array in the next_valid_format function 'floppy_type[DP->autodetect[probed_format]].sect'. To trigger the bug, one could use a value out of range and set the drive parameters with the FDSETDRVPRM ioctl. A floppy disk is not required to be inserted. CAP_SYS_ADMIN is required to call FDSETDRVPRM. The patch adds the check for values of the autodetect field to be in the '0 <= x < ARRAY_SIZE(floppy_type)' range of the floppy_type array indices. The bug was found by syzkaller. Signed-off-by: Denis Efremov <efremov@ispras.ru> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Denis Efremov
|
f3554aeb99 |
floppy: fix div-by-zero in setup_format_params
This fixes a divide by zero error in the setup_format_params function of the floppy driver. Two consecutive ioctls can trigger the bug: The first one should set the drive geometry with such .sect and .rate values for the F_SECT_PER_TRACK to become zero. Next, the floppy format operation should be called. A floppy disk is not required to be inserted. An unprivileged user could trigger the bug if the device is accessible. The patch checks F_SECT_PER_TRACK for a non-zero value in the set_geometry function. The proper check should involve a reasonable upper limit for the .sect and .rate fields, but it could change the UAPI. The patch also checks F_SECT_PER_TRACK in the setup_format_params, and cancels the formatting operation in case of zero. The bug was found by syzkaller. Signed-off-by: Denis Efremov <efremov@ispras.ru> Tested-by: Willy Tarreau <w@1wt.eu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
22051d9c4a |
platform-drivers-x86 for v5.3-2
Provide better naming for ABI, i.e. tell that we have fan boost mode. The following is an automated git shortlog grouped by driver: asus: - Rename "fan mode" to "fan boost mode" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqaflIX74DDDzMJJtb7wzTHR8rCgFAl0vSKcACgkQb7wzTHR8 rCg4zhAAloPsy7IHNxJOwISxwhgu3v7unpKOta8V16yUfuakHNwjKQOpj4N8YYE5 ezHsfzhf1jTjH00Bt9VuEpaXGJzWfPkXkH/713grpemSpPfI/hAdSN8lvNaA89EE 3CEE13D+IAFu4LZE71zQmNZy77HGvPGUhSimb7rYy0ggaQVudSVysjHA7OC0sYpD znon8irvZurcKZxTWpWq8r5wDYTEZMAW20mOl7jpr3iD7f1rkrdZCi5q8+05h12q 7HSjZrLjHQZw/P9PAMHnOeTLzf+Oc4KU83eUpaCIMUKK1vdZzSZDtjjhUUPm2Dm+ klraonqVgorvRanY1cAjVq5RCDkG7kvaI9lbiWHdoRgkShQgOZsjtTsAHzGnEbzT c5RaSjJ9NUf9GDtoK3MGirirRVwO7SJagmSCc1Myph2cZJDR7KDSPURLxoX8n/U9 fOJkH23vAd+HTuWTTt22pURAdZSq0Eq6yNhdEIaIhHHaS2FUipblKNZrcuUuGFmV oglpoYrXX3wrXKW5FxAUT/+ZFAlKk8TLSwlecZgLTzrUtIAWsw4X/uY0MgAM/Hkt qhtHRNLPe0qbL1GMFZUG8Uv2ONXl+gyiuSH2kibvWoZwbjQNnjAUEGZphHGX9zor bUmtHxCdIGGrxN74DgOPpzFY7Ep41sHeOUraioLhMT4yZEtE1/U= =ZhHh -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v5.3-2' of git://git.infradead.org/linux-platform-drivers-x86 Pull another x86 platform driver update from Andy Shevchenko: "Provide better naming for ABI, i.e. tell that we have fan boost mode. It won't break any ABI, but has to be done now to avoid confusion in the future" * tag 'platform-drivers-x86-v5.3-2' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: asus: Rename "fan mode" to "fan boost mode" |
||
|
Linus Torvalds
|
aac09ce275 |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui: - Convert thermal documents to ReST (Mauro Carvalho Chehab) - Fix a cyclic depedency in between thermal core and governors (Daniel Lezcano) - Fix processor_thermal_device driver to re-evaluate power limits after resume (Srinivas Pandruvada, Zhang Rui) * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: drivers: thermal: processor_thermal_device: Fix build warning docs: thermal: convert to ReST thermal/drivers/core: Use governor table to initialize thermal/drivers/core: Add init section table for self-encapsulation drivers: thermal: processor_thermal: Read PPCC on resume |
||
|
Linus Torvalds
|
c3c08f939a |
GPIO fixes for the v5.3 merge window:
- Revert a SPIO GPIO fix that didn't fix anything instead created new problems. - Remove the EM GPIO irqdomain in a safe manner. - Fix a memory leak in the gpio quirks. - Make the DaVinci error path silent on probe deferral. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEElDRnuGcz/wPCXQWMQRCzN7AZXXMFAl0vPEkACgkQQRCzN7AZ XXOL0g/8DxfjkoyS0+GQDJAx1wANj9xZP5OzDEEpzV8YHZmAK4q8ucyt5jJarO7q v75T5dpcqudG3oRRwLUzA8qZJBGl/M9T82T3bRu9d3KYZhkOoXp2LkyD3m8prvr6 9bd4mjPzr78ro5EJhHFEFkjhNlpGxcFvmP3wMR1BOGCMlnv975J7RH24hOdu+CWO /a3CaKpPdWlPDjgclWYql3MNBvSE6M87azOQWSPJhabSmUqFUGzyo4Fk5NLxwHl1 oixBgLXRBJ/rOtuzLW+LFi9iW9N0QvHQgQuEQm7p21+E4T0Bqdv0xADl2ThKFJUj Vu6gAfYxJt3hvfEW3/Vcd3MsclLCvgYveAX1hHR/OxuZv69fOpM7LkWB6g5MYanG 238SYb13dvzDRYjh6lKiOxGMZSRBA5Bw9jf/03l1b7S3olmsoD4Zuc3mstcGdBrl qt4eRKCekkP7txbn2i50PLd2hGV0HjO2sNeNXdW8o+qEjDRcxLXiXv+MBDZTeEhJ RSMOegzyyHVPDKS+0sQAHXHKYqiw9117Fe8swbgHjkTxdtsER8spot7PdKF0Lblu WU2SXdbltqcufo883LG0Kzgx3xwvt/ncYoUB4gHLfx+sFxPY1wbeOHjOreWJ4QOs ycd21YiCdZLk9ExrOPQ4NSniXX9bzH2FlovT/bHYMpl75pKa7Ig= =/5s0 -----END PGP SIGNATURE----- Merge tag 'gpio-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fixes from Linus Walleij: - Revert a SPIO GPIO fix that didn't fix anything but instead created new problems. - Remove the EM GPIO irqdomain in a safe manner. - Fix a memory leak in the gpio quirks. - Make the DaVinci error path silent on probe deferral. * tag 'gpio-v5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: Revert "gpio/spi: Fix spi-gpio regression on active high CS" gpio: em: remove the gpiochip before removing the irq domain gpiolib: of: fix a memory leak in of_gpio_flags_quirks() gpio: davinci: silence error prints in case of EPROBE_DEFER |
||
|
Linus Torvalds
|
57ab5f7402 |
hwspinlock updates for v5.3
This contains support for hardware spinlock TI K3 AM65x and J721E family of SoCs, support for using hwspinlocks from atomic context and better error reporting when dealing with hardware disabled in DeviceTree. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl0uHkobHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3Fm0MP/ibvaJ82nOKumQGrOjom CAI2U/nf1AWbm3Rhy+u3zVelKpd9iLKjsUj2fF42HBARZWXGfxEJUL7fH50Whp+n lGDgD5r1vE+wp4aqHycRZJEKWUnKTLA/2ddK9QUfljtvdItZJ1MBoKu/V3nhELZd wfK7vLVbeSIcK2ChVYFZtNhFRmRRN24K4RzcANzzxNrP7+xzqZuJEwmpKKibeMCN M/LI0XcE95s4+O3e5mcTOOtEyGqbsNrwOwQquYVOFBNbzKHN2HN/9dPAXHA4/K0y N8zseMeV52dTtaaK8tNLcY7XNJp8r326TN8N/ufmU8oO+KCj3cx1juBSeS4pze1m U4+vFS9B8aRdeB6a6+W4ZdJpJVSJvTKDJMSB2vbvXJAQfklrGlaHQRmv+OBoPVMj vUwWB10hJZMrONfGxN8KwG7wzFx7yIol2u2KmJcSfFVAJVVA/YBaulZDl6jkzyeB GDrgrGnd7iYGa2LhPVHZ/xwyCb0WsRQMXx2gkNegxwlF+nnfTrNMKUJ9eTps4WUn o80/khuegIzyieym9SB+f7BCRO1xC26FhcGuHrKJXK2Rfcf6LJv+b1B0Q+hwL8UQ 2DsImsH9VnWV7lIaXvbQh8Fsr361xuxJ2Lm3dszbtfEUuhLSyMuJvhyPO+FPSggZ C51xGa/x71EqBWvKh2YheJSo =Dz9r -----END PGP SIGNATURE----- Merge tag 'hwlock-v5.3' of git://github.com/andersson/remoteproc Pull hwspinlock updates from Bjorn Andersson: "This contains support for hardware spinlock TI K3 AM65x and J721E family of SoCs, support for using hwspinlocks from atomic context and better error reporting when dealing with hardware disabled in DeviceTree" * tag 'hwlock-v5.3' of git://github.com/andersson/remoteproc: hwspinlock: add the 'in_atomic' API hwspinlock: document the hwspinlock 'raw' API hwspinlock: stm32: implement the relax() ops hwspinlock: ignore disabled device hwspinlock/omap: Add a trace during probe hwspinlock/omap: Add support for TI K3 SoCs dt-bindings: hwlock: Update OMAP binding for TI K3 SoCs |
||
|
Linus Torvalds
|
fdcec00405 |
remoteproc updates for v5.3
This adds support for the STM32 remoteproc, additional i.MX platforms with Cortex M4 remoteprocs and Qualcomm's QCS404 Compute DSP. Initial support for vendor specific resource table entries and support for unprocessed Qualcomm firmware files. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl0uGwsbHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3FVhcQALBcuPOo2nBQEiOvgS79 0kVBSdUxw6+mI4EFLfQPeSTtGGrSK5/oZBmYhdv+HEDu6CLG1DS+6PZyCjhqdDsU xjeTIkfe4RDAwnqlGxqK7OyeslAUe91kr0FDaS0XyajhQ+urI8N9Ou/JQDEZKArl lpuxGmjWASeIbO3TC/p4OhyOU6yqqlyxlv9x/kJnF+PhDfdK1tezvgmLvCDtnD9y gtYMzSz9txQCXMJmUaDFeUrMph6/Eo2Zn9rYyen5fDzqAXBys7nfH2fbDcbNK1fy qgjWDjUxENeoZEuohIFn2Dg3egr6rF9TQQvM4uoAoKlS6+yEvTiE8g122BJxVGd3 BOmWK44hTpV1qAGfTivGOH3g/Q9pxI22a17t1BTxcHIYcmMBxERHAVRQ/wbwXRDp qEv4HUuvciMSjonf8pW3GuuOny9jeTird5q8e3gTNA/s6aESm/YoynwWF3LmNZBo XePc5sP4oz9HGJKS/SUu0/H6d1/YqOXOwVBmlTl4L0ErWOpaeGMinJQvSRHb0rL2 BgL8bADxFJGM0ITeIA5CpzZzbbbZSmPqxOBhcU+a/PnRL8zVWJOpSCMLe04vrQNT 9lVXAxmcRZjq80fbfyjqomyaT5N5Yvvv6dIz2AtCnAOEynHLnJq/dd5eX840l3RC 1wXvNF4l0rzYm0yYHr0+oQXQ =iqXq -----END PGP SIGNATURE----- Merge tag 'rproc-v5.3' of git://github.com/andersson/remoteproc Pull remoteproc updates from Bjorn Andersson: "This adds support for the STM32 remoteproc, additional i.MX platforms with Cortex M4 remoteprocs and Qualcomm's QCS404 Compute DSP. Also initial support for vendor specific resource table entries and support for unprocessed Qualcomm firmware files" * tag 'rproc-v5.3' of git://github.com/andersson/remoteproc: remoteproc: stm32: fix building without ARM SMCC remoteproc: qcom: q6v5-mss: Fix build error without QCOM_MDT_LOADER remoteproc: copy parent dma_pfn_offset for vdev remoteproc: qcom: q6v5-mss: Support loading non-split images soc: qcom: mdt_loader: Support loading non-split images remoteproc: stm32: add an ST stm32_rproc driver dt-bindings: remoteproc: add bindings for stm32 remote processor driver dt-bindings: stm32: add bindings for ML-AHB interconnect remoteproc: Use struct_size() helper remoteproc: add vendor resources handling remoteproc: imx: Fix typo in "failed" remoteproc: imx: Broaden the Kconfig selection logic remoteproc,rpmsg: add missing MAINTAINERS file entries remoteproc: qcom: qdsp6-adsp: Add support for QCS404 CDSP dt-bindings: remoteproc: Rename and amend Hexagon v56 binding |
||
|
Linus Torvalds
|
7636b7589f |
rpmsg updates for v5.3
This contains a DT binding update and a change to make the remote function of rpmsg_devices optional. -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEBd4DzF816k8JZtUlCx85Pw2ZrcUFAl0uHL4bHGJqb3JuLmFu ZGVyc3NvbkBsaW5hcm8ub3JnAAoJEAsfOT8Nma3F8JEQAKQZZ86gwe7a0cYyJGP9 TXUsnnECINWwnxTf8orLV0IIcR82o72Jvz4+7hnjKvOHFriZ2BbvuoVoOBBfsLzE 0tiWcjJnGyDuuS1c9AlwEtb7OBUUl/vz0cfeKHyMWmbYbTMQE5Wi08Pd9Z9VFNEk tWCpEnLBVLYSVRYCXC9x9zBJc3NorVJgj2M3IlRfqJuAdByplaMISWObB+K12VyI mciIdCmhjNqNylYxlJi592rJ5hL61ytccCOKzFI7t4lusP8O5d3uE/fpcvCem1Kp Cjvd/amZKjqAbEX9ykO5upVKLfyf8oSwioizGQuwDLJYYw8AGMmEKymMMCOgWwFe i+WAaMrZr2CPyVBikAfxepG4M6T+AaD8Ur+KTXEyn6HmX1a/usatvqM6WJ4hsYKu o+whW8q4iLqgSSOXB1dCkMY5hUkQkgsmjgLGhx4qjAOf7vXHXr7wnLRhjL3IO7Dn mK79wSY9jqUrGuLQtvCOeN5Qu+eh1k/8y23PcfyNG96nZyg9rkWldW4eSwL4+qp1 q4Qlu3k64CWDzhD12K84B319PT9h8HZwLrePuixYqFigLSZhHiZQ3Rs3XFok14Iy An7hvmFjQxIEDxiYRgPB7uVZ2gQz5gNLR96pwXzwOGIn3RJKi7mGcCuoYgsKuS77 XsQi7+awR0kTiBuvZCYE7AWT =ktVg -----END PGP SIGNATURE----- Merge tag 'rpmsg-v5.3' of git://github.com/andersson/remoteproc Pull rpmsg updates from Bjorn Andersson: "This contains a DT binding update and a change to make the remote function of rpmsg_devices optional" * tag 'rpmsg-v5.3' of git://github.com/andersson/remoteproc: rpmsg: core: Make remove handler for rpmsg driver optional. dt-bindings: soc: qcom: Add remote-pid binding for GLINK SMEM |
||
|
Linus Torvalds
|
3a1d5384b7 |
virtio, vhost: fixes, features, performance
new iommu device vhost guest memory access using vmap (just meta-data for now) minor fixes Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Note: due to code driver changes the driver-core tree, the following patch is needed when merging tree with commit |
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|
Linus Torvalds
|
37d4607ebb |
VFIO updates for v5.3-rc1
- Static symbol cleanup in mdev samples (Kefeng Wang) - Use vma help in nvlink code (Peng Hao) - Remove unused code in mbochs sample (YueHaibing) - Send uevents around mdev registration (Alex Williamson) -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIcBAABAgAGBQJdLNocAAoJECObm247sIsiB6cQAK6DjFawXoXNq3RGZ/mivikf tQO4iHVrSAsChv2egPEBAimeVdIzdRx/iueBt3bZPmIdMI19efUUmCNL0S7OZnwb /6b2I1bDgLRoqjxvhGe+QyCRb4Rdrx3avYOe9kasGK5/O/uzBUu+Eu1Lm5xd0KL3 DSiI7tTZXAoYLlB1AGoJLQVc7f4lsWMwx4xDss8tsD0JOjGqDPvgEmTrJjRxzVI9 RCi+sw1zK5gtfiEHcKk1MxTZ30BopGTOE/zZ3D+h+WwVHsBimiUL/E3s7jHn0rsi j+LE/zgk2isfIs0EyttlqJIYqTtoZYbMz+pkz8SCsgPJbxXI/BgrLjknYdoIbn2E /Zn1+cXuRGegryM6KvhMecUZyyrv7KdxynJ5c2/DFSewDp+FQvyeArcV39qfw8DU KurYjIRkkwxrkIevYwV9y8rb57AY36d0aTR589i/ivq146DC4pmQc90DSeH2rDdn GRt+M/ZVhcfrYXIzUVwiwOJ25lk330jmf/s294dOSctdw1aerlnUSF+uBKk8BJWn xzkhtm3fKaGYepwYekg3dCT7LbDKqHBDkcnSwT33aM6nMd970hnGzYFYuz8DGg/Q yjuqF7T8UwiP7UqmRLyY+YmMKvoJhXd/tW8CJzwLFs4tomRSMNFWTwlYQUBDXMLT Gvwcus6b0p/WS0j5Btpo =2tVO -----END PGP SIGNATURE----- Merge tag 'vfio-v5.3-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - Static symbol cleanup in mdev samples (Kefeng Wang) - Use vma help in nvlink code (Peng Hao) - Remove unused code in mbochs sample (YueHaibing) - Send uevents around mdev registration (Alex Williamson) * tag 'vfio-v5.3-rc1' of git://github.com/awilliam/linux-vfio: mdev: Send uevents around parent device registration sample/mdev/mbochs: remove set but not used variable 'mdev_state' vfio: vfio_pci_nvlink2: use a vma helper function vfio-mdev/samples: make some symbols static |
||
|
Linus Torvalds
|
916f562fb2 |
This round of clk driver and framework updates is heavy on the driver update
side. The two main highlights in the core framework are the addition of an bulk clk_get API that handles optional clks and an extra debugfs file that tells the developer about the current parent of a clk. The driver updates are dominated by i.MX in the diffstat, but that is mostly because that SoC has started converting to the clk_hw style of clk registration. The next big update is in the Amlogic meson clk driver that gained some support for audio, cpu, and temperature clks while fixing some PLL issues. Finally, the biggest thing that stands out is the conversion of a large part of the Allwinner sunxi-ng driver to the new clk parent scheme that uses less strings and more pointer comparisons to match clk parents and children up. In general, it looks like we have a lot of little fixes and tweaks here and there to clk data along with the normal addition of a handful of new drivers and a couple new core framework features. Core: - Add a 'clk_parent' file in clk debugfs - Add a clk_bulk_get_optional() API (with devm too) New Drivers: - Support gated clk controller on MIPS based BCM63XX SoCs - Support SiLabs Si5341 and Si5340 chips - Support for CPU clks on Raspberry Pi devices - Audsys clock driver for MediaTek MT8516 SoCs Updates: - Convert a large portion of the Allwinner sunxi-ng driver to new clk parent scheme - Small frequency support for SiLabs Si544 chips - Slow clk support for AT91 SAM9X60 SoCs - Remove dead code in various clk drivers (-Wunused) - Support for Marvell 98DX1135 SoCs - Get duty cycle of generic pwm clks - Improvement in mmc phase calculation and cleanup of some rate defintions - Switch i.MX6 and i.MX7 clock drivers to clk_hw based APIs - Add GPIO, SNVS and GIC clocks for i.MX8 drivers - Mark imx6sx/ul/ull/sll MMDC_P1_IPG and imx8mm DRAM_APB as critical clock - Correct imx7ulp nic1_bus_clk and imx8mm audio_pll2_clk clock setting - Add clks for new Exynos5422 Dynamic Memory Controller driver - Clock definition for Exynos4412 Mali - Add CMM (Color Management Module) clocks on Renesas R-Car H3, M3-N, E3, and D3 - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas RZ/G2M - Support for 32 bit clock IDs in TI's sci-clks for J721e SoCs - TI clock probing done from DT by default instead of firmware - Fix Amlogic Meson mpll fractional part and spread sprectrum issues - Add Amlogic meson8 audio clocks - Add Amlogic g12a temperature sensors clocks - Add Amlogic g12a and g12b cpu clocks - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas R-Car H3, M3-W, and M3-N - Add CMM (Color Management Module) clocks on Renesas R-Car M3-W - Add Clock Domain support on Renesas RZ/N1 -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAl0uBEERHHNib3lkQGtl cm5lbC5vcmcACgkQrQKIl8bklSWucw/9ELKlfvdxrc8mdIuzt+CpKdNiSG88shXY hF+vnuE6Jhv5hmlbA/DbplPTAnHT/FQF65/GPQMAYy2wYO6CjleNxQyepiVv4h8/ tWoXu5vYZXubtQyMnYTffREzjYFPBNAscLUhXNwJKRno7nT0qKCk62WgOMfaW/KN lP5dKmrL7rdJDUvxHEStrwP515Lg5Wkhj3+XzgbgFUKGuGlvHfwUOEZucT++kqhu Z1vMjPv2ksHQf3r15BsbX/6jMIONEt2Xd6jA3Lm7ebDXJl2hjX4Gq0Kkl5pmkj2w F0V7Tw4XYk6DkSl7HQaOBgQ8KV0Mw2L8Vj6eEDhUwx6wPGlQ5YTKkUCJkjs0mUyb UpO3TuPFN2W0hsTNDzwYpjqcfodDn159XJcduv1/ZpIanUvHgx0uVzQ7iwwYwW+l VR4SipY5AEn9hpief30X7TAUSKsE4do58imYeoGBrq78zdsJaEcDAMX7AcYdXVQ9 ahBS8ME/d1JEBNdRsSW7eTAfu8dZdI08uR8/T37GRG59XyZSjsyVmZ6kHCYrBygF AyLNMsXMCbW1rOoIpWkuGMD86XZy40laLg8T7WWTaq28t1VQ0BaBTGM4/eEexs3p FhZ1M7aH+PsDLrI2IGTBt/4xAMv+dhDS7HnxRlOONbWnLWVqmR+tYzF0aCkqJCmd O2zWCGffeYs= =mK0C -----END PGP SIGNATURE----- Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk updates from Stephen Boyd: "This round of clk driver and framework updates is heavy on the driver update side. The two main highlights in the core framework are the addition of an bulk clk_get API that handles optional clks and an extra debugfs file that tells the developer about the current parent of a clk. The driver updates are dominated by i.MX in the diffstat, but that is mostly because that SoC has started converting to the clk_hw style of clk registration. The next big update is in the Amlogic meson clk driver that gained some support for audio, cpu, and temperature clks while fixing some PLL issues. Finally, the biggest thing that stands out is the conversion of a large part of the Allwinner sunxi-ng driver to the new clk parent scheme that uses less strings and more pointer comparisons to match clk parents and children up. In general, it looks like we have a lot of little fixes and tweaks here and there to clk data along with the normal addition of a handful of new drivers and a couple new core framework features. Core: - Add a 'clk_parent' file in clk debugfs - Add a clk_bulk_get_optional() API (with devm too) New Drivers: - Support gated clk controller on MIPS based BCM63XX SoCs - Support SiLabs Si5341 and Si5340 chips - Support for CPU clks on Raspberry Pi devices - Audsys clock driver for MediaTek MT8516 SoCs Updates: - Convert a large portion of the Allwinner sunxi-ng driver to new clk parent scheme - Small frequency support for SiLabs Si544 chips - Slow clk support for AT91 SAM9X60 SoCs - Remove dead code in various clk drivers (-Wunused) - Support for Marvell 98DX1135 SoCs - Get duty cycle of generic pwm clks - Improvement in mmc phase calculation and cleanup of some rate defintions - Switch i.MX6 and i.MX7 clock drivers to clk_hw based APIs - Add GPIO, SNVS and GIC clocks for i.MX8 drivers - Mark imx6sx/ul/ull/sll MMDC_P1_IPG and imx8mm DRAM_APB as critical clock - Correct imx7ulp nic1_bus_clk and imx8mm audio_pll2_clk clock setting - Add clks for new Exynos5422 Dynamic Memory Controller driver - Clock definition for Exynos4412 Mali - Add CMM (Color Management Module) clocks on Renesas R-Car H3, M3-N, E3, and D3 - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas RZ/G2M - Support for 32 bit clock IDs in TI's sci-clks for J721e SoCs - TI clock probing done from DT by default instead of firmware - Fix Amlogic Meson mpll fractional part and spread sprectrum issues - Add Amlogic meson8 audio clocks - Add Amlogic g12a temperature sensors clocks - Add Amlogic g12a and g12b cpu clocks - Add TPU (Timer Pulse Unit / PWM) clocks on Renesas R-Car H3, M3-W, and M3-N - Add CMM (Color Management Module) clocks on Renesas R-Car M3-W - Add Clock Domain support on Renesas RZ/N1" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (190 commits) clk: consoldiate the __clk_get_hw() declarations clk: sprd: Add check for return value of sprd_clk_regmap_init() clk: lochnagar: Update DT binding doc to include the primary SPDIF MCLK clk: Add Si5341/Si5340 driver dt-bindings: clock: Add silabs,si5341 clk: clk-si544: Implement small frequency change support clk: add BCM63XX gated clock controller driver devicetree: document the BCM63XX gated clock bindings clk: at91: sckc: use dedicated functions to unregister clock clk: at91: sckc: improve error path for sama5d4 sck registration clk: at91: sckc: remove unnecessary line clk: at91: sckc: improve error path for sam9x5 sck register clk: at91: sckc: add support to free slow clock osclillator clk: at91: sckc: add support to free slow rc oscillator clk: at91: sckc: add support to free slow oscillator clk: rockchip: export HDMIPHY clock on rk3228 clk: rockchip: add watchdog pclk on rk3328 clk: rockchip: add clock id for hdmi_phy special clock on rk3228 clk: rockchip: add clock id for watchdog pclk on rk3328 clk: at91: sckc: add support for SAM9X60 ... |
||
|
Linus Torvalds
|
edafb6fe42 |
RTC for 5.3
Drivers: - ds1307: properly handle oscillator failure flags - imx-sc: alarm support - pcf2123: alarm support, correct offset handling - sun6i: add R40 support - simplify getting the adapter of an i2c client -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEycoQi/giopmpPgB12wIijOdRNOUFAl0tl5UACgkQ2wIijOdR NOVMig/8C7o1tBpm1Kfs3GYjZ5o2SI7m6425OypONOa9U2rFVnFHxVogtIHTC7wa SXVFdV+L/MT/xHEbQ3Mfv36cRB0h3Q89NqcVWFkjSGvoqliTIA2F2zsLDHYLDyEO AdOc8ztzrTCmlPjrg7d64qxA/l/dPChIhDW1nsMTJY7EXO0lBywcEP0KQsnOrjzD lNDskhLuYaL0h1OL2KSrx/81ZZW1MXEyTU5nl4e2JowVYFB0f75P7h79MChmjM35 wE5WVDH8LqhYHOoVR9fW5sjRpNgdKfFsH8Sh5DGVU3jLGA72v0Eo/c1BHHegumoI 6X+09nv9D3j4l2z5on5TzXMhvwuLdZQ2VRBdpI1XcVjtYA18UTIXZA8wDRgLTb3b MZE31s1WM0vxSiGyaL+hfI9APfX0xSd+BIqVvxhUVPvCGCwWvfLJgQfmlsW4eWOk LdmifkLb0Mjf+ym+WH8GvXND+ZeNJ9eUUwVZkGHPhb6SfkLiEAnw3f1czOT1fLDR q6i0hG9/+BsiwZMCJt86rDZd1D51FjkNzUH1d///iURvaDhoi41nKaFR45kc5Foc WVmnWDWw1yg7K6kUQ3kXsyBkbw0jhdCXGN539rrvbElyL5e5XDUo+3gAEi25CkVe DCpxICWO+jvOrjJBHdH3T3HJDa7NbFXWkXOwLXe5M42q7rrgZwY= =aJ54 -----END PGP SIGNATURE----- Merge tag 'rtc-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "A quiet cycle this time. - ds1307: properly handle oscillator failure flags - imx-sc: alarm support - pcf2123: alarm support, correct offset handling - sun6i: add R40 support - simplify getting the adapter of an i2c client" * tag 'rtc-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (37 commits) rtc: wm831x: Add IRQF_ONESHOT flag rtc: stm32: remove one condition check in stm32_rtc_set_alarm() rtc: pcf2123: Fix build error rtc: interface: Change type of 'count' from int to u64 rtc: pcf8563: Clear event flags and disable interrupts before requesting irq rtc: pcf8563: Fix interrupt trigger method rtc: pcf2123: fix negative offset rounding rtc: pcf2123: add alarm support rtc: pcf2123: use %ptR rtc: pcf2123: port to regmap rtc: pcf2123: remove sysfs register view rtc: rx8025: simplify getting the adapter of a client rtc: rx8010: simplify getting the adapter of a client rtc: rv8803: simplify getting the adapter of a client rtc: m41t80: simplify getting the adapter of a client rtc: fm3130: simplify getting the adapter of a client rtc: tegra: Drop MODULE_ALIAS rtc: sun6i: Add R40 compatible dt-bindings: rtc: sun6i: Add the R40 RTC compatible dt-bindings: rtc: Convert Allwinner A31 RTC to a schema ... |
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|
Linus Torvalds
|
47ebe00b68 |
dmaengine updates for v5.3-rc1
- Add support in dmaengine core to do device node checks for DT devices and
update bunch of drivers to use that and remove open coding from drivers
- New driver/driver support for new hardware, namely:
- MediaTek UART APDMA
- Freescale i.mx7ulp edma2
- Synopsys eDMA IP core version 0
- Allwinner H6 DMA
- Updates to axi-dma and support for interleaved cyclic transfers
- Greg's debugfs return value check removals on drivers
- Updates to stm32-dma, hsu, dw, pl330, tegra drivers
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Merge tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
- Add support in dmaengine core to do device node checks for DT devices
and update bunch of drivers to use that and remove open coding from
drivers
- New driver/driver support for new hardware, namely:
- MediaTek UART APDMA
- Freescale i.mx7ulp edma2
- Synopsys eDMA IP core version 0
- Allwinner H6 DMA
- Updates to axi-dma and support for interleaved cyclic transfers
- Greg's debugfs return value check removals on drivers
- Updates to stm32-dma, hsu, dw, pl330, tegra drivers
* tag 'dmaengine-5.3-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (68 commits)
dmaengine: Revert "dmaengine: fsl-edma: add i.mx7ulp edma2 version support"
dmaengine: at_xdmac: check for non-empty xfers_list before invoking callback
Documentation: dmaengine: clean up description of dmatest usage
dmaengine: tegra210-adma: remove PM_CLK dependency
dmaengine: fsl-edma: add i.mx7ulp edma2 version support
dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma
dmaengine: fsl-edma-common: version check for v2 instead
dmaengine: fsl-edma-common: move dmamux register to another single function
dmaengine: fsl-edma: add drvdata for fsl-edma
dmaengine: Revert "dmaengine: fsl-edma: support little endian for edma driver"
dmaengine: rcar-dmac: Reject zero-length slave DMA requests
dmaengine: dw: Enable iDMA 32-bit on Intel Elkhart Lake
dmaengine: dw-edma: fix semicolon.cocci warnings
dmaengine: sh: usb-dmac: Use [] to denote a flexible array member
dmaengine: dmatest: timeout value of -1 should specify infinite wait
dmaengine: dw: Distinguish ->remove() between DW and iDMA 32-bit
dmaengine: fsl-edma: support little endian for edma driver
dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
dmagengine: pl330: add code to get reset property
dt-bindings: pl330: document the optional resets property
...
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||
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Linus Torvalds
|
fa121bb3fe |
The main MIPS changes for a pretty light v5.3 cycle, including:
- Removal of readq & writeq for MIPS32 kernels where they would simply
BUG() anyway, allowing drivers or other code that #ifdefs on their
presence to work properly.
- Improvements for Ingenic JZ4740 systems, including support for the
external memory controller & pinmuxing fixes for qi_lb60/NanoNote
systems.
- Improvements for Lantiq systems, in particular around SMP & IPIs.
- DT updates for ralink/MediaTek MT7628a systems to probe & configure a
bunch more devices.
- Miscellaneous cleanups & build fixes.
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Merge tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Paul Burton:
"A light batch this time around but significant improvements for
certain systems:
- Removal of readq & writeq for MIPS32 kernels where they would
simply BUG() anyway, allowing drivers or other code that #ifdefs on
their presence to work properly.
- Improvements for Ingenic JZ4740 systems, including support for the
external memory controller & pinmuxing fixes for qi_lb60/NanoNote
systems.
- Improvements for Lantiq systems, in particular around SMP & IPIs.
- DT updates for ralink/MediaTek MT7628a systems to probe & configure
a bunch more devices.
- Miscellaneous cleanups & build fixes"
* tag 'mips_5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits)
MIPS: fix some more fall through errors in arch/mips
MIPS: perf events: handle switch statement falling through warnings
mips/kprobes: Export kprobe_fault_handler()
MAINTAINERS: Add myself as Ingenic SoCs maintainer
MIPS: ralink: mt7628a.dtsi: Add watchdog controller DT node
MIPS: ralink: mt7628a.dtsi: Add SPI controller DT node
MIPS: ralink: mt7628a.dtsi: Add GPIO controller DT node
MIPS: ralink: mt7628a.dtsi: Add pinctrl DT properties to the UART nodes
MIPS: ralink: mt7628a.dtsi: Add pinmux DT node
MIPS: ralink: mt7628a.dtsi: Add SPDX GPL-2.0 license identifier
MIPS: lantiq: Add SMP support for lantiq interrupt controller
MIPS: lantiq: Shorten register names, remove unused macros
MIPS: lantiq: Fix bitfield masking
MIPS: lantiq: Remove unused macros
MIPS: lantiq: Fix attributes of of_device_id structure
MIPS: lantiq: Change variables to the same type as the source
MIPS: lantiq: Move macro directly to iomem function
mips: Remove q-accessors from non-64bit platforms
FDDI: defza: Include linux/io-64-nonatomic-lo-hi.h
MIPS: configs: Remove useless UEVENT_HELPER_PATH
...
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||
|
Linus Torvalds
|
7d4901c08a |
h8300 update for 5.3
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||
|
Linus Torvalds
|
415bfd9cdb |
SH update for 5.3
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEb+hOQx29bDKnlE5LaihlzYmq2k0FAl0u0L8ACgkQaihlzYmq 2k1mww//RSYBbETChsGu+4QOigoZGEd1OTJ2cZeXsnj2fAvJjf0tYFQlVDjS8kx+ MnqyxTS8ZPTyLZknhC0UoFlQ/Rp6IZJukkA6C+r9+AHFxTJYBg2XaVNGI3Uluzmp Vey1GQr3zDS/i/7lIIseyQynpuaD/WDzsNRza8KzmgYWyro/patSH+ObioMNUH4b a81/pUOPsCEXBdN5MGt2/sMhm6VWBBpZVsmKCYJDnzfgkaKu0/oP+94/WPN3Bpao 4LqDBG0M0it1j//Wsvvo1m57xZOl6uOJpA6pmX2WjFtmQ9zVmHTSjT6Gn9J8uh9v N3Se5E57ymg9+PpneulL440uJ5fP/+aE+eTzSY+7AgO6WffGVHjn/AVUoc/rEZth jyYHrLuH1Zd2lik8bDBH62jjlC2jtzyAQJ62cn6VHdvaCNX7/QHHZJokINX0B4Yb zlFblOtErGXjSADU2m7CS6jAmiCWEmGWQnYu8gDXjIsGGLCohkMY27jlOBA0xYLf Al4gYaijjqW0X5+6+DkCRYxL3rpxpDCea+wJn1ZSb/DP9r3uFZE0jAtj1C63QUCB m+WGp/P6g6g9TDZ/tJJpFg4btACKF3eYymxgzJLN6VrM9TtsX2JzwI374szsqDgK 74dOgSM1Yyl7tWbzO0lbMp0GL+ZuvpdHy0gDLHZs79GDImCv1rU= =QkoY -----END PGP SIGNATURE----- Merge tag 'for-linus-20190617' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux Pull SH updates from Yoshinori Sato. kprobe fix, defconfig updates and a SH Kconfig fix. * tag 'for-linus-20190617' of git://git.sourceforge.jp/gitroot/uclinux-h8/linux: arch/sh: Check for kprobe trap number before trying to handle a kprobe trap sh: configs: Remove useless UEVENT_HELPER_PATH Fix allyesconfig output. |
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Daniel Drake
|
9af93db9e1 |
platform/x86: asus: Rename "fan mode" to "fan boost mode"
The Asus WMI spec indicates that the function being controlled here is called "Fan Boost Mode". The user-facing documentation also calls it this. The spec uses the term "fan mode" is used to refer to other things, including functionality expected to appear on future products. We missed this before as we are not dealing with the most readable of specs, and didn't forsee any confusion around shortening the name. Rename "fan mode" to "fan boost mode" to improve consistency with the spec and to avoid a future naming conflict. There is no interface breakage here since this has yet to be included in an official kernel release. I also updated the kernel version listed under ABI accordingly. Signed-off-by: Daniel Drake <drake@endlessm.com> Acked-by: Yurii Pavlovskyi <yurii.pavlovskyi@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> |
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Linus Torvalds
|
57a8ec387e |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
"VM:
- z3fold fixes and enhancements by Henry Burns and Vitaly Wool
- more accurate reclaimed slab caches calculations by Yafang Shao
- fix MAP_UNINITIALIZED UAPI symbol to not depend on config, by
Christoph Hellwig
- !CONFIG_MMU fixes by Christoph Hellwig
- new novmcoredd parameter to omit device dumps from vmcore, by
Kairui Song
- new test_meminit module for testing heap and pagealloc
initialization, by Alexander Potapenko
- ioremap improvements for huge mappings, by Anshuman Khandual
- generalize kprobe page fault handling, by Anshuman Khandual
- device-dax hotplug fixes and improvements, by Pavel Tatashin
- enable synchronous DAX fault on powerpc, by Aneesh Kumar K.V
- add pte_devmap() support for arm64, by Robin Murphy
- unify locked_vm accounting with a helper, by Daniel Jordan
- several misc fixes
core/lib:
- new typeof_member() macro including some users, by Alexey Dobriyan
- make BIT() and GENMASK() available in asm, by Masahiro Yamada
- changed LIST_POISON2 on x86_64 to 0xdead000000000122 for better
code generation, by Alexey Dobriyan
- rbtree code size optimizations, by Michel Lespinasse
- convert struct pid count to refcount_t, by Joel Fernandes
get_maintainer.pl:
- add --no-moderated switch to skip moderated ML's, by Joe Perches
misc:
- ptrace PTRACE_GET_SYSCALL_INFO interface
- coda updates
- gdb scripts, various"
[ Using merge message suggestion from Vlastimil Babka, with some editing - Linus ]
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (100 commits)
fs/select.c: use struct_size() in kmalloc()
mm: add account_locked_vm utility function
arm64: mm: implement pte_devmap support
mm: introduce ARCH_HAS_PTE_DEVMAP
mm: clean up is_device_*_page() definitions
mm/mmap: move common defines to mman-common.h
mm: move MAP_SYNC to asm-generic/mman-common.h
device-dax: "Hotremove" persistent memory that is used like normal RAM
mm/hotplug: make remove_memory() interface usable
device-dax: fix memory and resource leak if hotplug fails
include/linux/lz4.h: fix spelling and copy-paste errors in documentation
ipc/mqueue.c: only perform resource calculation if user valid
include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures
scripts/gdb: add helpers to find and list devices
scripts/gdb: add lx-genpd-summary command
drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
kernel/pid.c: convert struct pid count to refcount_t
drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings
select: shift restore_saved_sigmask_unless() into poll_select_copy_remaining()
select: change do_poll() to return -ERESTARTNOHAND rather than -EINTR
...
|
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Pankaj Gupta
|
8c2e408e73 |
virtio_pmem: fix sparse warning
This patch fixes below sparse warning related to __virtio
type in virtio pmem driver. This is reported by Intel test
bot on linux-next tree.
nd_virtio.c:56:28: warning: incorrect type in assignment
(different base types)
nd_virtio.c:56:28: expected unsigned int [unsigned] [usertype] type
nd_virtio.c:56:28: got restricted __virtio32
nd_virtio.c:93:59: warning: incorrect type in argument 2
(different base types)
nd_virtio.c:93:59: expected restricted __virtio32 [usertype] val
nd_virtio.c:93:59: got unsigned int [unsigned] [usertype] ret
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Pankaj Gupta <pagupta@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
|
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Matthew Wilcox (Oracle)
|
23c84eb783 |
dax: Fix missed wakeup with PMD faults
RocksDB can hang indefinitely when using a DAX file. This is due to
a bug in the XArray conversion when handling a PMD fault and finding a
PTE entry. We use the wrong index in the hash and end up waiting on
the wrong waitqueue.
There's actually no need to wait; if we find a PTE entry while looking
for a PMD entry, we can return immediately as we know we should fall
back to a PTE fault (which may not conflict with the lock held).
We reuse the XA_RETRY_ENTRY to signal a conflicting entry was found.
This value can never be found in an XArray while holding its lock, so
it does not create an ambiguity.
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/CAPcyv4hwHpX-MkUEqxwdTj7wCCZCN4RV-L4jsnuwLGyL_UEG4A@mail.gmail.com
Fixes:
|
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Gustavo A. R. Silva
|
43e11fa2d1 |
fs/select.c: use struct_size() in kmalloc()
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
size = sizeof(struct foo) + count * sizeof(struct boo);
instance = kmalloc(size, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kmalloc(struct_size(instance, entry, count), GFP_KERNEL);
Also, notice that variable size is unnecessary, hence it is removed.
This code was detected with the help of Coccinelle.
Link: http://lkml.kernel.org/r/20190604164226.GA13823@embeddedor
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Daniel Jordan
|
79eb597cba |
mm: add account_locked_vm utility function
locked_vm accounting is done roughly the same way in five places, so unify them in a helper. Include the helper's caller in the debug print to distinguish between callsites. Error codes stay the same, so user-visible behavior does too. The one exception is that the -EPERM case in tce_account_locked_vm is removed because Alexey has never seen it triggered. [daniel.m.jordan@oracle.com: v3] Link: http://lkml.kernel.org/r/20190529205019.20927-1-daniel.m.jordan@oracle.com [sfr@canb.auug.org.au: fix mm/util.c] Link: http://lkml.kernel.org/r/20190524175045.26897-1-daniel.m.jordan@oracle.com Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Acked-by: Alex Williamson <alex.williamson@redhat.com> Cc: Alan Tull <atull@kernel.org> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Christoph Lameter <cl@linux.com> Cc: Christophe Leroy <christophe.leroy@c-s.fr> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Moritz Fischer <mdf@kernel.org> Cc: Paul Mackerras <paulus@ozlabs.org> Cc: Steve Sistare <steven.sistare@oracle.com> Cc: Wu Hao <hao.wu@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Robin Murphy
|
73b20c84d4 |
arm64: mm: implement pte_devmap support
In order for things like get_user_pages() to work on ZONE_DEVICE memory, we need a software PTE bit to identify device-backed PFNs. Hook this up along with the relevant helpers to join in with ARCH_HAS_PTE_DEVMAP. [robin.murphy@arm.com: build fixes] Link: http://lkml.kernel.org/r/13026c4e64abc17133bbfa07d7731ec6691c0bcd.1559050949.git.robin.murphy@arm.com Link: http://lkml.kernel.org/r/817d92886fc3b33bcbf6e105ee83a74babb3a5aa.1558547956.git.robin.murphy@arm.com Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: David Hildenbrand <david@redhat.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Hocko <mhocko@suse.com> Cc: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Robin Murphy
|
175967318c |
mm: introduce ARCH_HAS_PTE_DEVMAP
ARCH_HAS_ZONE_DEVICE is somewhat meaningless in itself, and combined with the long-out-of-date comment can lead to the impression than an architecture may just enable it (since __add_pages() now "comprehends device memory" for itself) and expect things to work. In practice, however, ZONE_DEVICE users have little chance of functioning correctly without __HAVE_ARCH_PTE_DEVMAP, so let's clean that up the same way as ARCH_HAS_PTE_SPECIAL and make it the proper dependency so the real situation is clearer. Link: http://lkml.kernel.org/r/87554aa78478a02a63f2c4cf60a847279ae3eb3b.1558547956.git.robin.murphy@arm.com Signed-off-by: Robin Murphy <robin.murphy@arm.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Acked-by: Oliver O'Halloran <oohall@gmail.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: David Hildenbrand <david@redhat.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Robin Murphy
|
7588adf8df |
mm: clean up is_device_*_page() definitions
Refactor is_device_{public,private}_page() with is_pci_p2pdma_page() to
make them all consistent in depending on their respective config options
even when CONFIG_DEV_PAGEMAP_OPS is enabled for other reasons. This
allows a little more compile-time optimisation as well as the conceptual
and cosmetic cleanup.
Link: http://lkml.kernel.org/r/187c2ab27dea70635d375a61b2f2076d26c032b0.1558547956.git.robin.murphy@arm.com
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Suggested-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oliver O'Halloran <oohall@gmail.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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Aneesh Kumar K.V
|
8aa3c927ec |
mm/mmap: move common defines to mman-common.h
Two architecture that use arch specific MMAP flags are powerpc and sparc. We still have few flag values common across them and other architectures. Consolidate this in mman-common.h. Also update the comment to indicate where to find HugeTLB specific reserved values Link: http://lkml.kernel.org/r/20190604090950.31417-1-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Aneesh Kumar K.V
|
22fcea6f85 |
mm: move MAP_SYNC to asm-generic/mman-common.h
This enables support for synchronous DAX fault on powerpc
The generic changes are added as part of
|
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Pavel Tatashin
|
9f960da72b |
device-dax: "Hotremove" persistent memory that is used like normal RAM
It is now allowed to use persistent memory like a regular RAM, but currently there is no way to remove this memory until machine is rebooted. This work expands the functionality to also allows hotremoving previously hotplugged persistent memory, and recover the device for use for other purposes. To hotremove persistent memory, the management software must first offline all memory blocks of dax region, and than unbind it from device-dax/kmem driver. So, operations should look like this: echo offline > /sys/devices/system/memory/memoryN/state ... echo dax0.0 > /sys/bus/dax/drivers/kmem/unbind Note: if unbind is done without offlining memory beforehand, it won't be possible to do dax0.0 hotremove, and dax's memory is going to be part of System RAM until reboot. Link: http://lkml.kernel.org/r/20190517215438.6487-4-pasha.tatashin@soleen.com Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: James Morris <jmorris@namei.org> Cc: Sasha Levin <sashal@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Keith Busch <keith.busch@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Ross Zwisler <zwisler@kernel.org> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Cc: Takashi Iwai <tiwai@suse.de> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Dave Hansen <dave.hansen@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Pavel Tatashin
|
eca499ab37 |
mm/hotplug: make remove_memory() interface usable
Presently the remove_memory() interface is inherently broken. It tries to remove memory but panics if some memory is not offline. The problem is that it is impossible to ensure that all memory blocks are offline as this function also takes lock_device_hotplug that is required to change memory state via sysfs. So, between calling this function and offlining all memory blocks there is always a window when lock_device_hotplug is released, and therefore, there is always a chance for a panic during this window. Make this interface to return an error if memory removal fails. This way it is safe to call this function without panicking machine, and also makes it symmetric to add_memory() which already returns an error. Link: http://lkml.kernel.org/r/20190517215438.6487-3-pasha.tatashin@soleen.com Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by: David Hildenbrand <david@redhat.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Borislav Petkov <bp@suse.de> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Huang Ying <ying.huang@intel.com> Cc: James Morris <jmorris@namei.org> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Keith Busch <keith.busch@intel.com> Cc: Ross Zwisler <zwisler@kernel.org> Cc: Sasha Levin <sashal@kernel.org> Cc: Takashi Iwai <tiwai@suse.de> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Cc: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Pavel Tatashin
|
31e4ca92a7 |
device-dax: fix memory and resource leak if hotplug fails
Patch series ""Hotremove" persistent memory", v6.
Recently, adding a persistent memory to be used like a regular RAM was
added to Linux. This work extends this functionality to also allow hot
removing persistent memory.
We (Microsoft) have an important use case for this functionality.
The requirement is for physical machines with small amount of RAM (~8G)
to be able to reboot in a very short period of time (<1s). Yet, there
is a userland state that is expensive to recreate (~2G).
The solution is to boot machines with 2G preserved for persistent
memory.
Copy the state, and hotadd the persistent memory so machine still has
all 8G available for runtime. Before reboot, offline and hotremove
device-dax 2G, copy the memory that is needed to be preserved to pmem0
device, and reboot.
The series of operations look like this:
1. After boot restore /dev/pmem0 to ramdisk to be consumed by apps.
and free ramdisk.
2. Convert raw pmem0 to devdax
ndctl create-namespace --mode devdax --map mem -e namespace0.0 -f
3. Hotadd to System RAM
echo dax0.0 > /sys/bus/dax/drivers/device_dax/unbind
echo dax0.0 > /sys/bus/dax/drivers/kmem/new_id
echo online_movable > /sys/devices/system/memoryXXX/state
4. Before reboot hotremove device-dax memory from System RAM
echo offline > /sys/devices/system/memoryXXX/state
echo dax0.0 > /sys/bus/dax/drivers/kmem/unbind
5. Create raw pmem0 device
ndctl create-namespace --mode raw -e namespace0.0 -f
6. Copy the state that was stored by apps to ramdisk to pmem device
7. Do kexec reboot or reboot through firmware if firmware does not
zero memory in pmem0 region (These machines have only regular
volatile memory). So to have pmem0 device either memmap kernel
parameter is used, or devices nodes in dtb are specified.
This patch (of 3):
When add_memory() fails, the resource and the memory should be freed.
Link: http://lkml.kernel.org/r/20190517215438.6487-2-pasha.tatashin@soleen.com
Fixes:
|
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Tom Levy
|
97a0efea65 |
include/linux/lz4.h: fix spelling and copy-paste errors in documentation
Fix a few spelling and grammar errors, and two places where fast/safe in the documentation did not match the function. Link: http://lkml.kernel.org/r/20190321014452.13297-1-tomlevy93@gmail.com Signed-off-by: Tom Levy <tomlevy93@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Kosina <trivial@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kees Cook
|
a318f12ed8 |
ipc/mqueue.c: only perform resource calculation if user valid
Andreas Christoforou reported:
UBSAN: Undefined behaviour in ipc/mqueue.c:414:49 signed integer overflow:
9 * 2305843009213693951 cannot be represented in type 'long int'
...
Call Trace:
mqueue_evict_inode+0x8e7/0xa10 ipc/mqueue.c:414
evict+0x472/0x8c0 fs/inode.c:558
iput_final fs/inode.c:1547 [inline]
iput+0x51d/0x8c0 fs/inode.c:1573
mqueue_get_inode+0x8eb/0x1070 ipc/mqueue.c:320
mqueue_create_attr+0x198/0x440 ipc/mqueue.c:459
vfs_mkobj+0x39e/0x580 fs/namei.c:2892
prepare_open ipc/mqueue.c:731 [inline]
do_mq_open+0x6da/0x8e0 ipc/mqueue.c:771
Which could be triggered by:
struct mq_attr attr = {
.mq_flags = 0,
.mq_maxmsg = 9,
.mq_msgsize = 0x1fffffffffffffff,
.mq_curmsgs = 0,
};
if (mq_open("/testing", 0x40, 3, &attr) == (mqd_t) -1)
perror("mq_open");
mqueue_get_inode() was correctly rejecting the giant mq_msgsize, and
preparing to return -EINVAL. During the cleanup, it calls
mqueue_evict_inode() which performed resource usage tracking math for
updating "user", before checking if there was a valid "user" at all
(which would indicate that the calculations would be sane). Instead,
delay this check to after seeing a valid "user".
The overflow was real, but the results went unused, so while the flaw is
harmless, it's noisy for kernel fuzzers, so just fix it by moving the
calculation under the non-NULL "user" where it actually gets used.
Link: http://lkml.kernel.org/r/201906072207.ECB65450@keescook
Signed-off-by: Kees Cook <keescook@chromium.org>
Reported-by: Andreas Christoforou <andreaschristofo@gmail.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Manfred Spraul <manfred@colorfullife.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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Drew Davenport
|
6b15f678fb |
include/asm-generic/bug.h: fix "cut here" for WARN_ON for __WARN_TAINT architectures
For architectures using __WARN_TAINT, the WARN_ON macro did not print
out the "cut here" string. The other WARN_XXX macros would print "cut
here" inside __warn_printk, which is not called for WARN_ON since it
doesn't have a message to print.
Link: http://lkml.kernel.org/r/20190624154831.163888-1-ddavenport@chromium.org
Fixes:
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Leonard Crestez
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778c1f5ccb |
scripts/gdb: add helpers to find and list devices
Add helper commands and functions for finding pointers to struct device
by enumerating linux device bus/class infrastructure. This can be used
to fetch subsystem and driver-specific structs:
(gdb) p *$container_of($lx_device_find_by_class_name("net", "eth0"), "struct net_device", "dev")
(gdb) p *$container_of($lx_device_find_by_bus_name("i2c", "0-004b"), "struct i2c_client", "dev")
(gdb) p *(struct imx_port*)$lx_device_find_by_class_name("tty", "ttymxc1")->parent->driver_data
Several generic "lx-device-list" functions are included to enumerate
devices by bus and class:
(gdb) lx-device-list-bus usb
(gdb) lx-device-list-class
(gdb) lx-device-list-tree &platform_bus
Similar information is available in /sys but pointer values are
deliberately hidden.
Link: http://lkml.kernel.org/r/c948628041311cbf1b9b4cff3dda7d2073cb3eaa.1561492937.git.leonard.crestez@nxp.com
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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