These drivers can be compiled without modification when COMPILE_TEST=y:
cobalt-qube, cobalt-raq, netxbig, ns2 and s3c24xx
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
If LEDs are configured through device tree and the property 'label' is
omitted, the label is supposed to be generated from the properties
'function' and 'color' if present. While this works fine for e.g. the
'leds-gpio' driver, it did not for 'leds-pwm'.
The reason is, you get this label naming magic only if you add a LED
device through 'devm_led_classdev_register_ext()' and pass a pointer to
the current device tree node.
For the following node from dts the LED appeared as 'led-5' in sysfs
before and as 'red:debug' after this change.
pwm_leds {
compatible = "pwm-leds";
led-5 {
function = LED_FUNCTION_DEBUG;
color = <LED_COLOR_ID_RED>;
pwms = <&pwm0 2 10000000 0>;
max-brightness = <127>;
linux,default-trigger = "heartbeat";
panic-indicator;
};
};
Signed-off-by: Alexander Dahl <post@lespocky.de>
Cc: Marek Behún <marek.behun@nic.cz>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
1. Clear unneeded L2C-310 flag which presenc was triggering warning
message.
2. Fix build of SAMSUNG_PM_DEBUG without MMU.
3. Minor cleanups and update of linux-samsung-soc mailing list in
Maintainers.
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Merge tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/soc
Samsung mach/soc changes for v5.10
1. Clear unneeded L2C-310 flag which presenc was triggering warning
message.
2. Fix build of SAMSUNG_PM_DEBUG without MMU.
3. Minor cleanups and update of linux-samsung-soc mailing list in
Maintainers.
* tag 'samsung-soc-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: s3c64xx: bring back notes from removed debug-macro.S
ARM: s3c24xx: fix Wunused-variable warning on !MMU
ARM: samsung: fix PM debug build with DEBUG_LL but !MMU
MAINTAINERS: mark linux-samsung-soc list non-moderated
ARM: exynos: clear L310_AUX_CTRL_NS_LOCKDOWN in default l2c_aux_val
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Re-enable platform media drivers as new dependency on
MEDIA_PLATFORM_SUPPORT appeared.
2. Enable ROHM BD718x7 PMIC present on some of boards with i.MX 8 SoCs.
3. Enable Samsung S3FWRN5 NFC driver present on TM2/TM2E boards.
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Merge tag 'samsung-defconfig-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/defconfig
Samsung defconfig changes for v5.10
1. Re-enable platform media drivers as new dependency on
MEDIA_PLATFORM_SUPPORT appeared.
2. Enable ROHM BD718x7 PMIC present on some of boards with i.MX 8 SoCs.
3. Enable Samsung S3FWRN5 NFC driver present on TM2/TM2E boards.
* tag 'samsung-defconfig-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: defconfig: Enable Samsung S3FWRN5 NFC driver
arm64: defconfig: Enable clock driver for ROHM BD718x7 PMIC
ARM: exynos_defconfig: enable platform media drivers
Link: https://lore.kernel.org/r/20200920160705.9651-2-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
This pair of patches enable the ADMA, ACONNECT and AHUB drivers that
are required for audio support on Tegra210 and later.
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Merge tag 'tegra-for-5.10-arm64-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/defconfig
arm64: tegra: Default configuration updates for v5.10-rc1
This pair of patches enable the ADMA, ACONNECT and AHUB drivers that
are required for audio support on Tegra210 and later.
* tag 'tegra-for-5.10-arm64-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: defconfig: Build ADMA and ACONNECT driver
arm64: defconfig: Build AHUB component drivers
Link: https://lore.kernel.org/r/20200918150303.3938852-6-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This is a minor change that implements a BPMP workaround for pre-silicon
platforms and is needed to enable support for BPMP on Tegra234.
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Merge tag 'tegra-for-5.10-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
firmware: tegra: Changes for v5.10-rc1
This is a minor change that implements a BPMP workaround for pre-silicon
platforms and is needed to enable support for BPMP on Tegra234.
* tag 'tegra-for-5.10-firmware' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
firmware: tegra: Enable BPMP support on Tegra234
Link: https://lore.kernel.org/r/20200918150303.3938852-3-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
These changes contain a bit of cleanup and chip support for the upcoming
Tegra234 SoC.
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Merge tag 'tegra-for-5.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
soc/tegra: Changes for v5.10-rc1
These changes contain a bit of cleanup and chip support for the upcoming
Tegra234 SoC.
* tag 'tegra-for-5.10-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
soc/tegra: pmc: Add Tegra234 support
soc/tegra: pmc: Reorder reset sources/levels definitions
soc/tegra: misc: Add Tegra234 support
soc/tegra: fuse: Add Tegra234 support
soc/tegra: fuse: Implement tegra_is_silicon()
soc/tegra: fuse: Extract tegra_get_platform()
Link: https://lore.kernel.org/r/20200918150303.3938852-2-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Uses cdev_device_add() instead of the cdev_add() device_add()
combination.
Initializes dev->groups instead of direct calls to sysfs_create_group()
and friends.
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Merge tag 'tee-dev-cleanup-for-v5.10' of git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/drivers
Simplify tee_device_register() and friends
Uses cdev_device_add() instead of the cdev_add() device_add()
combination.
Initializes dev->groups instead of direct calls to sysfs_create_group()
and friends.
* tag 'tee-dev-cleanup-for-v5.10' of git://git.linaro.org:/people/jens.wiklander/linux-tee:
tee: avoid explicit sysfs_create/delete_group by initialising dev->groups
tee: replace cdev_add + device_add with cdev_device_add
Link: https://lore.kernel.org/r/20200918144130.GB1219771@jade
Signed-off-by: Olof Johansson <olof@lixom.net>
- Add core support for the R-Car V3U (R8A779A0) SoC, including System
Controller (SYSC) and Reset (RST) support,
- Various Kconfig cleanups.
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Merge tag 'renesas-drivers-for-v5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/drivers
Renesas driver updates for v5.10 (take two)
- Add core support for the R-Car V3U (R8A779A0) SoC, including System
Controller (SYSC) and Reset (RST) support,
- Various Kconfig cleanups.
* tag 'renesas-drivers-for-v5.10-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
soc: renesas: r8a779a0-sysc: Add r8a779a0 support
soc: renesas: rcar-rst: Add support for R-Car V3U
soc: renesas: Identify R-Car V3U
soc: renesas: Sort driver description title
soc: renesas: Use ARM32/ARM64 for menu description
dt-bindings: clock: Add r8a779a0 CPG Core Clock Definitions
dt-bindings: power: Add r8a779a0 SYSC power domain definitions
Link: https://lore.kernel.org/r/20200918124800.15555-4-geert+renesas@glider.be
Signed-off-by: Olof Johansson <olof@lixom.net>
- Make two local functions static.
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Merge tag 'renesas-arm-soc-for-v5.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/soc
Renesas ARM SoC updates for v5.10
- Make two local functions static.
* tag 'renesas-arm-soc-for-v5.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
ARM: shmobile: rcar-gen2: Make rcar_gen2_{timer_init, reserve}() static
Link: https://lore.kernel.org/r/20200918124800.15555-3-geert+renesas@glider.be
Signed-off-by: Olof Johansson <olof@lixom.net>
- ULP0 fast wakeup support
- PM cleanups
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Merge tag 'at91-soc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/soc
AT91 SoC for 5.10
- ULP0 fast wakeup support
- PM cleanups
* tag 'at91-soc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
ARM: at91: pm: remove unnecessary at91sam9x60_idle
ARM: at91: pm: of_node_put() after its usage
ARM: at91: pm: add per soc validation of pm modes
ARM: at91: pm: add support for ULP0 fast wakeup
Link: https://lore.kernel.org/r/20200916211119.GA275438@piout.net
Signed-off-by: Olof Johansson <olof@lixom.net>
This reverts commit 546c044c96.
Nothing prevents user from sending frames to "external" VxLAN devices.
In fact kernel itself may generate icmp chatter.
This is fine, such frames should be dropped.
The point of the "missing encapsulation" warning was that
frames with missing encap should not make it into vxlan_xmit_one().
And vxlan_xmit() drops them cleanly, so let it just do that.
Without this revert the warning is triggered by the udp_tunnel_nic.sh
test, but the minimal repro is:
$ ip link add vxlan0 type vxlan \
group 239.1.1.1 \
dev lo \
dstport 1234 \
external
$ ip li set dev vxlan0 up
[ 419.165981] vxlan0: Missing encapsulation instructions
[ 419.166551] WARNING: CPU: 0 PID: 1041 at drivers/net/vxlan.c:2889 vxlan_xmit+0x15c0/0x1fc0 [vxlan]
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Three fixes: one in drivers (lpfc) and two for zoned block devices.
The latter also impinges on the block layer but only to introduce a
new block API for setting the zone model rather than fiddling with the
queue directly in the zoned block driver.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three fixes: one in drivers (lpfc) and two for zoned block devices.
The latter also impinges on the block layer but only to introduce a
new block API for setting the zone model rather than fiddling with the
queue directly in the zoned block driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: sd_zbc: Fix ZBC disk initialization
scsi: sd: sd_zbc: Fix handling of host-aware ZBC disks
scsi: lpfc: Fix initial FLOGI failure due to BBSCN not supported
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Merge tag 'io_uring-5.9-2020-09-25' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Two fixes for regressions in this cycle, and one that goes to 5.8
stable:
- fix leak of getname() retrieved filename
- remove plug->nowait assignment, fixing a regression with btrfs
- fix for async buffered retry"
* tag 'io_uring-5.9-2020-09-25' of git://git.kernel.dk/linux-block:
io_uring: ensure async buffered read-retry is setup properly
io_uring: don't unconditionally set plug->nowait = true
io_uring: ensure open/openat2 name is cleaned on cancelation
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Merge tag 'block-5.9-2020-09-25' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"NVMe pull request from Christoph, and removal of a dead define.
- fix error during controller probe that cause double free irqs
(Keith Busch)
- FC connection establishment fix (James Smart)
- properly handle completions for invalid tags (Xianting Tian)
- pass the correct nsid to the command effects and supported log
(Chaitanya Kulkarni)"
* tag 'block-5.9-2020-09-25' of git://git.kernel.dk/linux-block:
block: remove unused BLK_QC_T_EAGAIN flag
nvme-core: don't use NVME_NSID_ALL for command effects and supported log
nvme-fc: fail new connections to a deleted host or remote port
nvme-pci: fix NULL req in completion handler
nvme: return errors for hwmon init
Merge misc fixes from Andrew Morton:
"9 patches.
Subsystems affected by this patch series: mm (thp, memcg, gup,
migration, memory-hotplug), lib, and x86"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm: don't rely on system state to detect hot-plug operations
mm: replace memmap_context by meminit_context
arch/x86/lib/usercopy_64.c: fix __copy_user_flushcache() cache writeback
lib/memregion.c: include memregion.h
lib/string.c: implement stpcpy
mm/migrate: correct thp migration stats
mm/gup: fix gup_fast with dynamic page table folding
mm: memcontrol: fix missing suffix of workingset_restore
mm, THP, swap: fix allocating cluster for swapfile by mistake
In register_mem_sect_under_node() the system_state's value is checked to
detect whether the call is made during boot time or during an hot-plug
operation. Unfortunately, that check against SYSTEM_BOOTING is wrong
because regular memory is registered at SYSTEM_SCHEDULING state. In
addition, memory hot-plug operation can be triggered at this system
state by the ACPI [1]. So checking against the system state is not
enough.
The consequence is that on system with interleaved node's ranges like this:
Early memory node ranges
node 1: [mem 0x0000000000000000-0x000000011fffffff]
node 2: [mem 0x0000000120000000-0x000000014fffffff]
node 1: [mem 0x0000000150000000-0x00000001ffffffff]
node 0: [mem 0x0000000200000000-0x000000048fffffff]
node 2: [mem 0x0000000490000000-0x00000007ffffffff]
This can be seen on PowerPC LPAR after multiple memory hot-plug and
hot-unplug operations are done. At the next reboot the node's memory
ranges can be interleaved and since the call to link_mem_sections() is
made in topology_init() while the system is in the SYSTEM_SCHEDULING
state, the node's id is not checked, and the sections registered to
multiple nodes:
$ ls -l /sys/devices/system/memory/memory21/node*
total 0
lrwxrwxrwx 1 root root 0 Aug 24 05:27 node1 -> ../../node/node1
lrwxrwxrwx 1 root root 0 Aug 24 05:27 node2 -> ../../node/node2
In that case, the system is able to boot but if later one of theses
memory blocks is hot-unplugged and then hot-plugged, the sysfs
inconsistency is detected and this is triggering a BUG_ON():
kernel BUG at /Users/laurent/src/linux-ppc/mm/memory_hotplug.c:1084!
Oops: Exception in kernel mode, sig: 5 [#1]
LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: rpadlpar_io rpaphp pseries_rng rng_core vmx_crypto gf128mul binfmt_misc ip_tables x_tables xfs libcrc32c crc32c_vpmsum autofs4
CPU: 8 PID: 10256 Comm: drmgr Not tainted 5.9.0-rc1+ #25
Call Trace:
add_memory_resource+0x23c/0x340 (unreliable)
__add_memory+0x5c/0xf0
dlpar_add_lmb+0x1b4/0x500
dlpar_memory+0x1f8/0xb80
handle_dlpar_errorlog+0xc0/0x190
dlpar_store+0x198/0x4a0
kobj_attr_store+0x30/0x50
sysfs_kf_write+0x64/0x90
kernfs_fop_write+0x1b0/0x290
vfs_write+0xe8/0x290
ksys_write+0xdc/0x130
system_call_exception+0x160/0x270
system_call_common+0xf0/0x27c
This patch addresses the root cause by not relying on the system_state
value to detect whether the call is due to a hot-plug operation. An
extra parameter is added to link_mem_sections() detailing whether the
operation is due to a hot-plug operation.
[1] According to Oscar Salvador, using this qemu command line, ACPI
memory hotplug operations are raised at SYSTEM_SCHEDULING state:
$QEMU -enable-kvm -machine pc -smp 4,sockets=4,cores=1,threads=1 -cpu host -monitor pty \
-m size=$MEM,slots=255,maxmem=4294967296k \
-numa node,nodeid=0,cpus=0-3,mem=512 -numa node,nodeid=1,mem=512 \
-object memory-backend-ram,id=memdimm0,size=134217728 -device pc-dimm,node=0,memdev=memdimm0,id=dimm0,slot=0 \
-object memory-backend-ram,id=memdimm1,size=134217728 -device pc-dimm,node=0,memdev=memdimm1,id=dimm1,slot=1 \
-object memory-backend-ram,id=memdimm2,size=134217728 -device pc-dimm,node=0,memdev=memdimm2,id=dimm2,slot=2 \
-object memory-backend-ram,id=memdimm3,size=134217728 -device pc-dimm,node=0,memdev=memdimm3,id=dimm3,slot=3 \
-object memory-backend-ram,id=memdimm4,size=134217728 -device pc-dimm,node=1,memdev=memdimm4,id=dimm4,slot=4 \
-object memory-backend-ram,id=memdimm5,size=134217728 -device pc-dimm,node=1,memdev=memdimm5,id=dimm5,slot=5 \
-object memory-backend-ram,id=memdimm6,size=134217728 -device pc-dimm,node=1,memdev=memdimm6,id=dimm6,slot=6 \
Fixes: 4fbce63391 ("mm/memory_hotplug.c: make register_mem_sect_under_node() a callback of walk_memory_range()")
Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Scott Cheloha <cheloha@linux.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200915094143.79181-3-ldufour@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm: fix memory to node bad links in sysfs", v3.
Sometimes, firmware may expose interleaved memory layout like this:
Early memory node ranges
node 1: [mem 0x0000000000000000-0x000000011fffffff]
node 2: [mem 0x0000000120000000-0x000000014fffffff]
node 1: [mem 0x0000000150000000-0x00000001ffffffff]
node 0: [mem 0x0000000200000000-0x000000048fffffff]
node 2: [mem 0x0000000490000000-0x00000007ffffffff]
In that case, we can see memory blocks assigned to multiple nodes in
sysfs:
$ ls -l /sys/devices/system/memory/memory21
total 0
lrwxrwxrwx 1 root root 0 Aug 24 05:27 node1 -> ../../node/node1
lrwxrwxrwx 1 root root 0 Aug 24 05:27 node2 -> ../../node/node2
-rw-r--r-- 1 root root 65536 Aug 24 05:27 online
-r--r--r-- 1 root root 65536 Aug 24 05:27 phys_device
-r--r--r-- 1 root root 65536 Aug 24 05:27 phys_index
drwxr-xr-x 2 root root 0 Aug 24 05:27 power
-r--r--r-- 1 root root 65536 Aug 24 05:27 removable
-rw-r--r-- 1 root root 65536 Aug 24 05:27 state
lrwxrwxrwx 1 root root 0 Aug 24 05:25 subsystem -> ../../../../bus/memory
-rw-r--r-- 1 root root 65536 Aug 24 05:25 uevent
-r--r--r-- 1 root root 65536 Aug 24 05:27 valid_zones
The same applies in the node's directory with a memory21 link in both
the node1 and node2's directory.
This is wrong but doesn't prevent the system to run. However when
later, one of these memory blocks is hot-unplugged and then hot-plugged,
the system is detecting an inconsistency in the sysfs layout and a
BUG_ON() is raised:
kernel BUG at /Users/laurent/src/linux-ppc/mm/memory_hotplug.c:1084!
LE PAGE_SIZE=64K MMU=Hash SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: rpadlpar_io rpaphp pseries_rng rng_core vmx_crypto gf128mul binfmt_misc ip_tables x_tables xfs libcrc32c crc32c_vpmsum autofs4
CPU: 8 PID: 10256 Comm: drmgr Not tainted 5.9.0-rc1+ #25
Call Trace:
add_memory_resource+0x23c/0x340 (unreliable)
__add_memory+0x5c/0xf0
dlpar_add_lmb+0x1b4/0x500
dlpar_memory+0x1f8/0xb80
handle_dlpar_errorlog+0xc0/0x190
dlpar_store+0x198/0x4a0
kobj_attr_store+0x30/0x50
sysfs_kf_write+0x64/0x90
kernfs_fop_write+0x1b0/0x290
vfs_write+0xe8/0x290
ksys_write+0xdc/0x130
system_call_exception+0x160/0x270
system_call_common+0xf0/0x27c
This has been seen on PowerPC LPAR.
The root cause of this issue is that when node's memory is registered,
the range used can overlap another node's range, thus the memory block
is registered to multiple nodes in sysfs.
There are two issues here:
(a) The sysfs memory and node's layouts are broken due to these
multiple links
(b) The link errors in link_mem_sections() should not lead to a system
panic.
To address (a) register_mem_sect_under_node should not rely on the
system state to detect whether the link operation is triggered by a hot
plug operation or not. This is addressed by the patches 1 and 2 of this
series.
Issue (b) will be addressed separately.
This patch (of 2):
The memmap_context enum is used to detect whether a memory operation is
due to a hot-add operation or happening at boot time.
Make it general to the hotplug operation and rename it as
meminit_context.
There is no functional change introduced by this patch
Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J . Wysocki" <rafael@kernel.org>
Cc: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Scott Cheloha <cheloha@linux.ibm.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200915094143.79181-1-ldufour@linux.ibm.com
Link: https://lkml.kernel.org/r/20200915132624.9723-1-ldufour@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If we copy less than 8 bytes and if the destination crosses a cache
line, __copy_user_flushcache would invalidate only the first cache line.
This patch makes it invalidate the second cache line as well.
Fixes: 0aed55af88 ("x86, uaccess: introduce copy_from_iter_flushcache for pmem / cache-bypass operations")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Dan Williams <dan.j.wiilliams@intel.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/alpine.LRH.2.02.2009161451140.21915@file01.intranet.prod.int.rdu2.redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This addresses the following sparse warning:
lib/memregion.c:8:5: warning: symbol 'memregion_alloc' was not declared. Should it be static?
lib/memregion.c:14:6: warning: symbol 'memregion_free' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20200921142852.875312-1-yanaijie@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
LLVM implemented a recent "libcall optimization" that lowers calls to
`sprintf(dest, "%s", str)` where the return value is used to
`stpcpy(dest, str) - dest`.
This generally avoids the machinery involved in parsing format strings.
`stpcpy` is just like `strcpy` except it returns the pointer to the new
tail of `dest`. This optimization was introduced into clang-12.
Implement this so that we don't observe linkage failures due to missing
symbol definitions for `stpcpy`.
Similar to last year's fire drill with: commit 5f074f3e19
("lib/string.c: implement a basic bcmp")
The kernel is somewhere between a "freestanding" environment (no full
libc) and "hosted" environment (many symbols from libc exist with the
same type, function signature, and semantics).
As Peter Anvin notes, there's not really a great way to inform the
compiler that you're targeting a freestanding environment but would like
to opt-in to some libcall optimizations (see pr/47280 below), rather
than opt-out.
Arvind notes, -fno-builtin-* behaves slightly differently between GCC
and Clang, and Clang is missing many __builtin_* definitions, which I
consider a bug in Clang and am working on fixing.
Masahiro summarizes the subtle distinction between compilers justly:
To prevent transformation from foo() into bar(), there are two ways in
Clang to do that; -fno-builtin-foo, and -fno-builtin-bar. There is
only one in GCC; -fno-buitin-foo.
(Any difference in that behavior in Clang is likely a bug from a missing
__builtin_* definition.)
Masahiro also notes:
We want to disable optimization from foo() to bar(),
but we may still benefit from the optimization from
foo() into something else. If GCC implements the same transform, we
would run into a problem because it is not -fno-builtin-bar, but
-fno-builtin-foo that disables that optimization.
In this regard, -fno-builtin-foo would be more future-proof than
-fno-built-bar, but -fno-builtin-foo is still potentially overkill. We
may want to prevent calls from foo() being optimized into calls to
bar(), but we still may want other optimization on calls to foo().
It seems that compilers today don't quite provide the fine grain control
over which libcall optimizations pseudo-freestanding environments would
prefer.
Finally, Kees notes that this interface is unsafe, so we should not
encourage its use. As such, I've removed the declaration from any
header, but it still needs to be exported to avoid linkage errors in
modules.
Reported-by: Sami Tolvanen <samitolvanen@google.com>
Suggested-by: Andy Lavr <andy.lavr@gmail.com>
Suggested-by: Arvind Sankar <nivedita@alum.mit.edu>
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Kees Cook <keescook@chromium.org>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200914161643.938408-1-ndesaulniers@google.com
Link: https://bugs.llvm.org/show_bug.cgi?id=47162
Link: https://bugs.llvm.org/show_bug.cgi?id=47280
Link: https://github.com/ClangBuiltLinux/linux/issues/1126
Link: https://man7.org/linux/man-pages/man3/stpcpy.3.html
Link: https://pubs.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html
Link: https://reviews.llvm.org/D85963
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
PageTransHuge returns true for both thp and hugetlb, so thp stats was
counting both thp and hugetlb migrations. Exclude hugetlb migration by
setting is_thp variable right.
Clean up thp handling code too when we are there.
Fixes: 1a5bae25e3 ("mm/vmstat: add events for THP migration without split")
Signed-off-by: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Link: https://lkml.kernel.org/r/20200917210413.1462975-1-zi.yan@sent.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently to make sure that every page table entry is read just once
gup_fast walks perform READ_ONCE and pass pXd value down to the next
gup_pXd_range function by value e.g.:
static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end,
unsigned int flags, struct page **pages, int *nr)
...
pudp = pud_offset(&p4d, addr);
This function passes a reference on that local value copy to pXd_offset,
and might get the very same pointer in return. This happens when the
level is folded (on most arches), and that pointer should not be
iterated.
On s390 due to the fact that each task might have different 5,4 or
3-level address translation and hence different levels folded the logic
is more complex and non-iteratable pointer to a local copy leads to
severe problems.
Here is an example of what happens with gup_fast on s390, for a task
with 3-level paging, crossing a 2 GB pud boundary:
// addr = 0x1007ffff000, end = 0x10080001000
static int gup_pud_range(p4d_t p4d, unsigned long addr, unsigned long end,
unsigned int flags, struct page **pages, int *nr)
{
unsigned long next;
pud_t *pudp;
// pud_offset returns &p4d itself (a pointer to a value on stack)
pudp = pud_offset(&p4d, addr);
do {
// on second iteratation reading "random" stack value
pud_t pud = READ_ONCE(*pudp);
// next = 0x10080000000, due to PUD_SIZE/MASK != PGDIR_SIZE/MASK on s390
next = pud_addr_end(addr, end);
...
} while (pudp++, addr = next, addr != end); // pudp++ iterating over stack
return 1;
}
This happens since s390 moved to common gup code with commit
d1874a0c28 ("s390/mm: make the pxd_offset functions more robust") and
commit 1a42010cdc ("s390/mm: convert to the generic
get_user_pages_fast code").
s390 tried to mimic static level folding by changing pXd_offset
primitives to always calculate top level page table offset in pgd_offset
and just return the value passed when pXd_offset has to act as folded.
What is crucial for gup_fast and what has been overlooked is that
PxD_SIZE/MASK and thus pXd_addr_end should also change correspondingly.
And the latter is not possible with dynamic folding.
To fix the issue in addition to pXd values pass original pXdp pointers
down to gup_pXd_range functions. And introduce pXd_offset_lockless
helpers, which take an additional pXd entry value parameter. This has
already been discussed in
https://lkml.kernel.org/r/20190418100218.0a4afd51@mschwideX1
Fixes: 1a42010cdc ("s390/mm: convert to the generic get_user_pages_fast code")
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: <stable@vger.kernel.org> [5.2+]
Link: https://lkml.kernel.org/r/patch.git-943f1e5dcff2.your-ad-here.call-01599856292-ext-8676@work.hours
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We forget to add the suffix to the workingset_restore string, so fix it.
And also update the documentation of cgroup-v2.rst.
Fixes: 170b04b7ae ("mm/workingset: prepare the workingset detection infrastructure for anon LRU")
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Link: https://lkml.kernel.org/r/20200916100030.71698-1-songmuchun@bytedance.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
SWP_FS is used to make swap_{read,write}page() go through the
filesystem, and it's only used for swap files over NFS. So, !SWP_FS
means non NFS for now, it could be either file backed or device backed.
Something similar goes with legacy SWP_FILE.
So in order to achieve the goal of the original patch, SWP_BLKDEV should
be used instead.
FS corruption can be observed with SSD device + XFS + fragmented
swapfile due to CONFIG_THP_SWAP=y.
I reproduced the issue with the following details:
Environment:
QEMU + upstream kernel + buildroot + NVMe (2 GB)
Kernel config:
CONFIG_BLK_DEV_NVME=y
CONFIG_THP_SWAP=y
Some reproducible steps:
mkfs.xfs -f /dev/nvme0n1
mkdir /tmp/mnt
mount /dev/nvme0n1 /tmp/mnt
bs="32k"
sz="1024m" # doesn't matter too much, I also tried 16m
xfs_io -f -c "pwrite -R -b $bs 0 $sz" -c "fdatasync" /tmp/mnt/sw
xfs_io -f -c "pwrite -R -b $bs 0 $sz" -c "fdatasync" /tmp/mnt/sw
xfs_io -f -c "pwrite -R -b $bs 0 $sz" -c "fdatasync" /tmp/mnt/sw
xfs_io -f -c "pwrite -F -S 0 -b $bs 0 $sz" -c "fdatasync" /tmp/mnt/sw
xfs_io -f -c "pwrite -R -b $bs 0 $sz" -c "fsync" /tmp/mnt/sw
mkswap /tmp/mnt/sw
swapon /tmp/mnt/sw
stress --vm 2 --vm-bytes 600M # doesn't matter too much as well
Symptoms:
- FS corruption (e.g. checksum failure)
- memory corruption at: 0xd2808010
- segfault
Fixes: f0eea189e8 ("mm, THP, swap: Don't allocate huge cluster for file backed swap device")
Fixes: 38d8b4e6bd ("mm, THP, swap: delay splitting THP during swap out")
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Acked-by: Rafael Aquini <aquini@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Carlos Maiolino <cmaiolino@redhat.com>
Cc: Eric Sandeen <esandeen@redhat.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20200820045323.7809-1-hsiangkao@redhat.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- new boards: libretch s905x cc v2, Hardkernel ODROID-N2+
- vim3: sound updates
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Merge tag 'amlogic-dt64' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/dt
arm64: dtc: amlogic updates for v5.10
- new boards: libretch s905x cc v2, Hardkernel ODROID-N2+
- vim3: sound updates
* tag 'amlogic-dt64' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: meson: initial support for aml-s905x-cc v2
dt-bindings: arm: amlogic: add support for libretch s905x cc v2
arm64: dts: meson: add support for the ODROID-N2+
dt-bindings: arm: amlogic: add support for the ODROID-N2+
arm64: dts: meson: convert ODROID-N2 to dtsi
arm64: dts: meson: vim3l: remove sound card definition
arm64: dts: meson: vim3: make sound card common to all variants
arm64: dts: meson: vim3: correct led polarity
Link: https://lore.kernel.org/r/7h3636kjxd.fsf@baylibre.com
Signed-off-by: Olof Johansson <olof@lixom.net>
Cleanup, refactor and modernize MSM8916 by sorting nodes, moving device
and platform specific parts to their respective files, add and use
labels for reference nodes and use IRQ defines. Migrate TCSR mutex off
the depricated binding, add resin node for PM8916.
Add LPASS clock controller for SC7180. Fix the LLCC reg, increase
interconnect-cells, drop flags on MDSS irqs. Add interconnects for
display, eMMC and SD-card, specify 'sustainable_power' for CPU thermal
zones, improve pinconf states related to UART and Bluetooth. Add new DT
for Lazor and Trogdor.
Increase #interconnect-cells for SDM845 to allow tags, add OPP tables
and power-domains for Venus and interconnects for display. Fix the ports
on the HDMI nodes for DB845c and add DT for the Xiaomi Poco F1.
Add interconnect providers, fix up primary USB's clock and use
dt-binding defines for GPU clocks on SM8150.
Add interconnect providers, CPUfreq, thermal configuration and missing
uarts for SM8250. Fix up naming of debug uart, add always-on supply
clock to gcc, fix up the sleep clock rate and define OPP tables for all
QUP devices. Then add a new DeviceTree for the QRB5165 RB5 board.
Enable watchdog on IPQ8074 and use the appropriate compatible for the
PMU node. Enable DVFS support for IPQ6018.
Finally correct the spelling of "interrupts" in MSM8992 uart node, fix
missing # in PM660 #interrupt-cells, add second VFE power-domain to
camss in MSM8996 and sort the Makefile.
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Merge tag 'qcom-arm64-for-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
Qualcomm ARM64 DT updates for v5.10
Cleanup, refactor and modernize MSM8916 by sorting nodes, moving device
and platform specific parts to their respective files, add and use
labels for reference nodes and use IRQ defines. Migrate TCSR mutex off
the depricated binding, add resin node for PM8916.
Add LPASS clock controller for SC7180. Fix the LLCC reg, increase
interconnect-cells, drop flags on MDSS irqs. Add interconnects for
display, eMMC and SD-card, specify 'sustainable_power' for CPU thermal
zones, improve pinconf states related to UART and Bluetooth. Add new DT
for Lazor and Trogdor.
Increase #interconnect-cells for SDM845 to allow tags, add OPP tables
and power-domains for Venus and interconnects for display. Fix the ports
on the HDMI nodes for DB845c and add DT for the Xiaomi Poco F1.
Add interconnect providers, fix up primary USB's clock and use
dt-binding defines for GPU clocks on SM8150.
Add interconnect providers, CPUfreq, thermal configuration and missing
uarts for SM8250. Fix up naming of debug uart, add always-on supply
clock to gcc, fix up the sleep clock rate and define OPP tables for all
QUP devices. Then add a new DeviceTree for the QRB5165 RB5 board.
Enable watchdog on IPQ8074 and use the appropriate compatible for the
PMU node. Enable DVFS support for IPQ6018.
Finally correct the spelling of "interrupts" in MSM8992 uart node, fix
missing # in PM660 #interrupt-cells, add second VFE power-domain to
camss in MSM8996 and sort the Makefile.
* tag 'qcom-arm64-for-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (75 commits)
arm64: dts: qcom: sm8250: Add thermal zones and throttling support
arm64: dts: qcom: sm8250: Add cpufreq hw node
arm64: dts: qcom: sdm845: Add interconnects property for display
arm64: dts: qcom: sm8250: Add EPSS L3 interconnect provider
arm64: dts: qcom: sm8150: Add OSM L3 interconnect provider
arm64: dts: qcom: sm8250: add interconnect nodes
arm64: dts: qcom: sm8150: add interconnect nodes
arm64: dts: qcom: sc7180: Increase the number of interconnect cells
arm64: dts: qcom: sdm845: Increase the number of interconnect cells
arm64: dts: qcom: Makefile: Sort lines
arm64: dts: qcom: pm8916: Sort nodes
arm64: dts: qcom: msm8916: Sort nodes
arm64: dts: qcom: msm8916: Pad addresses
arm64: dts: qcom: msm8916: Rename "x-smp2p" to "smp2p-x"
arm64: dts: qcom: msm8916: Use more generic node names
arm64: dts: qcom: msm8916: Add MSM8916-specific compatibles to SCM/MSS
arm64: dts: qcom: msm8916: Minor style fixes
arm64: dts: qcom: msm8916: Drop qcom,tcsr-mutex syscon
arm64: dts: qcom: msm8916: Use IRQ defines, add IRQ types
arm64: dts: qcom: msm8916: Fix MDP/DSI interrupts
...
Link: https://lore.kernel.org/r/20200924040607.180039-1-bjorn.andersson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Khadas-edge additions and a some fixes.
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Merge tag 'v5.10-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dt
New boards NanoPi R2S, A95X-Z2 and more Rock-Pi4 variants.
Khadas-edge additions and a some fixes.
* tag 'v5.10-rockchip-dts64-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: add ir-receiver node to rk3399-khadas-edge
arm64: dts: rockchip: add spiflash node to rk3399-khadas-edge
arm64: dts: rockchip: Add support for FriendlyARM NanoPi R2S
dt-bindings: Add doc for FriendlyARM NanoPi R2S
arm64: dts: rockchip: replace status value "ok" by "okay"
arm64: dts: rockchip: fix cpu-supply for rk3328-evb
arm64: dts: rockchip: add rk3318 A95X Z2 board
dt-bindings: arm: rockchip: add Zkmagic A95X Z2 description
dt-bindings: Add vendor prefix for Shenzhen Zkmagic Technology Co., Ltd.
arm64: dts: rockchip: Add Radxa ROCK Pi 4C support
arm64: dts: rockchip: Add Radxa ROCK Pi 4B support
arm64: dts: rockchip: Mark rock-pi-4 as rock-pi-4a dts
dt-bindings: arm: rockchip: Update ROCKPi 4 binding
arm64: dts: rockchip: change spdif fallback compatible on rk3308
arm64: dts: rockchip: Fix power routing to support POE on rk3399-roc-pc
Link: https://lore.kernel.org/r/16010805.MhVyP8KKtY@diego
Signed-off-by: Olof Johansson <olof@lixom.net>
- New board/device support: Librem 5 phone, i.MX8MM DDR4 EVK, Variscite
VAR-SOM-MX8MN SoM and Symphony board.
- Add NWL MIPI DSI controller support for i.MX8MQ.
- Several series from Krzysztof Kozlowski to clean and fix up i.MX8
based device trees according to DT schema.
- A series from Michael Walle to add sl28cpld support for Kontron sl28
device based on LS1028A.
- Add two parameters for Samsung picophy tuning on imx8mm-evk and
imx8mn-evk boards.
- Add more thermal zones for Layerscape SoCs.
- Various random update and minor fix-ups.
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Merge tag 'imx-dt64-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt
i.MX arm64 device tree change for 5.10:
- New board/device support: Librem 5 phone, i.MX8MM DDR4 EVK, Variscite
VAR-SOM-MX8MN SoM and Symphony board.
- Add NWL MIPI DSI controller support for i.MX8MQ.
- Several series from Krzysztof Kozlowski to clean and fix up i.MX8
based device trees according to DT schema.
- A series from Michael Walle to add sl28cpld support for Kontron sl28
device based on LS1028A.
- Add two parameters for Samsung picophy tuning on imx8mm-evk and
imx8mn-evk boards.
- Add more thermal zones for Layerscape SoCs.
- Various random update and minor fix-ups.
* tag 'imx-dt64-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (71 commits)
arm64: dts: imx8mq-librem5: correct GPIO hog property
arm64: dts: imx8mm-var-som-symphony: Drop wake-up source from RTC
arm64: dts: imx8mq: correct interrupt flags
arm64: dts: imx8mn: correct interrupt flags
arm64: dts: imx8mm: correct interrupt flags
arm64: dts: imx8mm-var-som-symphony: fix ptn5150 interrupts
arm64: dts: layerscape: correct watchdog clocks for LS1088A
arm64: dts: freescale: sl28: enable fan support
arm64: dts: freescale: sl28: enable LED support
arm64: dts: freescale: sl28: map GPIOs to input events
arm64: dts: freescale: sl28: enable sl28cpld
arm64: dts: imx8mq-evk: Add MIPI DSI support
arm64: dts: layerscape: Add label to pcie nodes
arm64: dts: imx8mn-var-som-symphony: Add Variscite Symphony board with VAR-SOM-MX8MN
arm64: dts: imx8mn-var-som: Add Variscite VAR-SOM-MX8MN System on Module
arm64: dts: imx8mn-ddr4-evk: Remove unneeded PMIC pin configuration
arm64: dts: imx8mm-var-som-symphony: Adjust ethernet pin configuration
arm64: dts: imx8mm-var-som-symphony: Remove unneeded i2c3 properties
arm64: dts: imx8mm-var-som-symphony: Drop unused gpioledgrp
arm64: dts: imx8mq-librem5: Add interrupt-names to ti,tps6598x
...
Link: https://lore.kernel.org/r/20200923073009.23678-5-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
- New board/device support: Tolino Shine 2 HD, TQMa6 SoM, Y Soft IOTA
Orion board.
- update GPMI NAND node name to nand-controller for aligning with DT
schema.
- Remove the legacy fsl,spi-num-chipselects property from a few board.
- A series to update imx6q-logicpd support, using GPIO chipselect,
adding board compatible string, and enabling DTB build for the board.
- Complete RNG device node in i.MX6SL device tree, and add RNG node for
i.MX6SLL and i.MX6ULL.
- Correct interrupt flags for imx6qdl-gw5xxx boards.
- Add missing enet_out clock for i.MX6Q/DL Ethernet device.
- Enable PCIe support for imx6qp-sabreauto board.
- A series from Shengjiu Wang to add audio sound card for imx7d-sdb and
imx6sll-evk board, add headphone detection for sound card on a few NXP
development boards.
- A couple of minor fix-ups on i.MX25 pin functions.
- Some random update on various boards.
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Merge tag 'imx-dt-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt
i.MX arm32 device tree change for 5.10:
- New board/device support: Tolino Shine 2 HD, TQMa6 SoM, Y Soft IOTA
Orion board.
- update GPMI NAND node name to nand-controller for aligning with DT
schema.
- Remove the legacy fsl,spi-num-chipselects property from a few board.
- A series to update imx6q-logicpd support, using GPIO chipselect,
adding board compatible string, and enabling DTB build for the board.
- Complete RNG device node in i.MX6SL device tree, and add RNG node for
i.MX6SLL and i.MX6ULL.
- Correct interrupt flags for imx6qdl-gw5xxx boards.
- Add missing enet_out clock for i.MX6Q/DL Ethernet device.
- Enable PCIe support for imx6qp-sabreauto board.
- A series from Shengjiu Wang to add audio sound card for imx7d-sdb and
imx6sll-evk board, add headphone detection for sound card on a few NXP
development boards.
- A couple of minor fix-ups on i.MX25 pin functions.
- Some random update on various boards.
* tag 'imx-dt-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (37 commits)
ARM: dts: imx6qdl-gw5xxx: correct interrupt flags
ARM: dts: imx6q-logicpd: Use GPIO chipselect
ARM: dts: imx: Add an entry for imx6q-logicpd.dtb
ARM: dts: imx6q-logicpd: Add a specific board compatible string
ARM: dts: imx6q: align GPIO hog names with dtschema
ARM: dts: imx6qdl-tqma6: fix LM75 compatible string
ARM: dts: imx6qdl-tqma6: remove obsolete fsl,spi-num-chipselects
ARM: dts: imx6qdl-tqma6: fix indentation
ARM: dts: imx28-m28: Align GPMI NAND node name with schema
ARM: dts: imx6qdl: add enet_out clk support
ARM: dts: imx6qdl: move iomuxc compatible assignment out of root node
ARM: dts: vf: Fix PCA95xx GPIO expander properties on ZII CFU1
ARM: dts: imx: add devicetree for Tolino Shine 2 HD
ARM: dts: imx6qdl-gw553x: Remove unneeded #address-cells/#size-cells
ARM: dts: imx6sll-evk: Add audio sound card node
ARM: dts: imx6sl-evk: Add headphone detection for sound card
ARM: dts: imx6sx-sdb: Add headphone detection for sound card
ARM: dts: imx6q-kontron-samx6i: Remove old fsl,spi-num-chipselects
ARM: dts: imx: Fix the SPI chipselect polarity
ARM: dts: imx25-pinfunc: Fix GPT function names
...
Link: https://lore.kernel.org/r/20200923073009.23678-4-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
With the commit 10befea91b ("mm: memcg/slab: use a single set of
kmem_caches for all allocations"), it becomes possible to call kfree()
from the slabs_destroy().
The functions cache_flusharray() and do_drain() calls slabs_destroy() on
array_cache of the local CPU without updating the size of the
array_cache. This enables the kfree() call from the slabs_destroy() to
recursively call cache_flusharray() which can potentially call
free_block() on the same elements of the array_cache of the local CPU
and causing double free and memory corruption.
To fix the issue, simply update the local CPU array_cache cache before
calling slabs_destroy().
Fixes: 10befea91b ("mm: memcg/slab: use a single set of kmem_caches for all allocations")
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reported-by: kernel test robot <rong.a.chen@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ted Ts'o <tytso@mit.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix the missing prototype warning in owl-sps-helper driver by
including owl-sps header
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Merge tag 'actions-drivers-fixes-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/linux-actions into arm/fixes
Actions Semi drivers fixes for v5.9
- Fix the missing prototype warning in owl-sps-helper driver by
including owl-sps header
* tag 'actions-drivers-fixes-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/linux-actions:
soc: actions: include header to fix missing prototype
Link: https://lore.kernel.org/r/20200922114559.GD11251@Mani-XPS-13-9360
Signed-off-by: Olof Johansson <olof@lixom.net>
This fixes the OPP table for SDM845 QUP devices to bring back
Bluetooth support, disables SMMU on SDM630 to make the devices boot
again, disables the eMMC controller on Kitakami to prevent permanent
damage and fixes a typo in the pm660.
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Merge tag 'qcom-arm64-fixes-for-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 DT fixes for v5.9
This fixes the OPP table for SDM845 QUP devices to bring back
Bluetooth support, disables SMMU on SDM630 to make the devices boot
again, disables the eMMC controller on Kitakami to prevent permanent
damage and fixes a typo in the pm660.
* tag 'qcom-arm64-fixes-for-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: pm660: Fix missing pound sign in interrupt-cells
arm64: dts: qcom: kitakami: Temporarily disable SDHCI1
arm64: dts: sdm630: Temporarily disable SMMUs by default
arm64: dts: sdm845: Fixup OPP table for all qup devices
Link: https://lore.kernel.org/r/20200922000521.39621-1-bjorn.andersson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Fix the array type of the domain_list QMI response in PDR.
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Merge tag 'qcom-drivers-fixes-for-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm driver fixes for v5.9
Fix the array type of the domain_list QMI response in PDR.
* tag 'qcom-drivers-fixes-for-5.9' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: pdr: Fixup array type of get_domain_list_resp message
Link: https://lore.kernel.org/r/20200921235241.36463-1-bjorn.andersson@linaro.org
Signed-off-by: Olof Johansson <olof@lixom.net>
a misconfigured regulator on the Bananapi M2 Ultra.
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Merge tag 'sunxi-fixes-for-5.9-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes
Two fixes for the Allwinner SoCs, one for the H5 GPU support and one for
a misconfigured regulator on the Bananapi M2 Ultra.
* tag 'sunxi-fixes-for-5.9-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
arm64: dts: allwinner: h5: remove Mali GPU PMU module
ARM: dts: sun8i: r40: bananapi-m2-ultra: Fix dcdc1 regulator
Link: https://lore.kernel.org/r/8a436328-b844-4599-8695-ab2088a00ade.lettre@localhost
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'ti-k3-dt-fixes-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux into arm/fixes
Tag fix up for TI serdes mux definition introduced in 5.9
* tag 'ti-k3-dt-fixes-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux: (637 commits)
arm64: dts: ti: k3-j721e: Rename mux header and update macro names
Linux 5.9-rc3
genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
fsldma: fix very broken 32-bit ppc ioread64 functionality
kernel.h: Silence sparse warning in lower_32_bits
cifs: fix check of tcon dfs in smb1
KVM: arm64: Set HCR_EL2.PTW to prevent AT taking synchronous exception
KVM: arm64: Survive synchronous exceptions caused by AT instructions
KVM: arm64: Add kvm_extable for vaxorcism code
arm64: vdso32: make vdso32 install conditional
arm64: use a common .arch preamble for inline assembly
mfd: mfd-core: Ensure disabled devices are ignored without error
usb: storage: Add unusual_uas entry for Sony PSZ drives
md/raid5: make sure stripe_size as power of two
powerpc/32s: Disable VMAP stack which CONFIG_ADB_PMU
io_uring: don't bounce block based -EAGAIN retry off task_work
io_uring: fix IOPOLL -EAGAIN retries
arm64/cpuinfo: Remove unnecessary fallthrough annotation
media: dib0700: Fix identation issue in dib8096_set_param_override()
hwmon: (gsc-hwmon) Scale temperature to millidegrees
...
Link: https://lore.kernel.org/r/20200921125402.mtwypblhb45a6ssh@akan
Signed-off-by: Olof Johansson <olof@lixom.net>
Minor cleanups: removal of undocumented I2S properties, alignment of OPP
table node name with dtschema.
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Merge tag 'samsung-dt64-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt
Samsung DTS ARM64 changes for v5.10, part two
Minor cleanups: removal of undocumented I2S properties, alignment of OPP
table node name with dtschema.
* tag 'samsung-dt64-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
arm64: dts: exynos: Align OPP table name with dt-schema
arm64: dts: exynos: Remove undocumented i2s properties in Exynos5433
Link: https://lore.kernel.org/r/20200920160705.9651-4-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Further cleanup of DTS with dtschema: s5pv210, s3c6410 and s3c24xx.
This fixes many minor dtschema violations, adds few missing
functionalities (like clock for RTC) and improves the code
maintainability in few places. Except the RTC clock, this should not
have visible impact.
2. Fix few remaining Exynos dtschema violations.
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Merge tag 'samsung-dt-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt
Samsung DTS ARM changes for v5.10, part two
1. Further cleanup of DTS with dtschema: s5pv210, s3c6410 and s3c24xx.
This fixes many minor dtschema violations, adds few missing
functionalities (like clock for RTC) and improves the code
maintainability in few places. Except the RTC clock, this should not
have visible impact.
2. Fix few remaining Exynos dtschema violations.
* tag 'samsung-dt-5.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: (36 commits)
ARM: dts: s5pv210: replace deprecated "gpios" i2c-gpio property in Goni
ARM: dts: s5pv210: replace deprecated "gpios" i2c-gpio property in Aquila
ARM: dts: s5pv210: move fixed regulators under root node in Goni
ARM: dts: s5pv210: move fixed regulators under root node in Aquila
ARM: dts: exynos: Align OPP table name with dt-schema
ARM: dts: exynos: move assigned-clock* properties to i2s0 node in Odroid XU4
ARM: dts: exynos: add input clock to CMU in Exynos4412 Odroid
ARM: dts: exynos: add input clock to CMU in Exynos3250
ARM: dts: s3c24xx: move fixed clocks under root node in SMDK2416
ARM: dts: s3c24xx: add address to CPU node
ARM: dts: s3c24xx: align PWM/timer node name with dtschema
ARM: dts: s3c24xx: override nodes by label
ARM: dts: s3c24xx: fix number of PWM cells
ARM: dts: s3c6410: remove additional CPU compatible
ARM: dts: s3c6410: align node SROM bus node name with dtschema in SMDK6410
ARM: dts: s3c6410: align node SROM bus node name with dtschema in Mini6410
ARM: dts: s3c6410: move fixed clocks under root node in SMDK6410
ARM: dts: s3c6410: move fixed clocks under root node in Mini6410
ARM: dts: s5pv210: correct ethernet unit address in SMDKV210
ARM: dts: s5pv210: align SPI GPIO node name with dtschema in Aries
...
Link: https://lore.kernel.org/r/20200920160705.9651-3-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
This set of changes fixes some minor issues in existing device trees and
adds ID EEPROMs on the Jetson Xavier NX. All ID EEPROMs are now labelled
to allow them to be detected by software.
It also adds support for the Tegra234 VDK board, which is a pre-silicon
platform for the upcoming Orin SoC.
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Merge tag 'tegra-for-5.10-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/dt
arm64: tegra: Changes for v5.10-rc1
This set of changes fixes some minor issues in existing device trees and
adds ID EEPROMs on the Jetson Xavier NX. All ID EEPROMs are now labelled
to allow them to be detected by software.
It also adds support for the Tegra234 VDK board, which is a pre-silicon
platform for the upcoming Orin SoC.
* tag 'tegra-for-5.10-arm64-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
arm64: tegra: Initial Tegra234 VDK support
arm64: tegra: Populate EEPROMs for Jetson Xavier NX
arm64: tegra: Add label properties for EEPROMs
arm64: tegra: Add DT binding for AHUB components
arm64: tegra: Enable ACONNECT, ADMA and AGIC on Jetson Nano
arm64: tegra: Properly size register regions for GPU on Tegra194
arm64: tegra: Use valid PWM period for VDD_GPU on Tegra210
arm64: tegra: Describe display controller outputs for Tegra210
arm64: tegra: Disable SD card write-protection on Jetson Nano
arm64: tegra: Add VBUS supply for micro USB port on Jetson Nano
arm64: tegra: Wire up pinctrl states for all DPAUX controllers
arm64: tegra: Add ID EEPROMs on Jetson AGX Xavier
Link: https://lore.kernel.org/r/20200918150303.3938852-5-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
- Document core support for the R-Car V3U (R8A779A0) SoC and the
Renesas Falcon CPU and BreakOut boards.
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Merge tag 'renesas-dt-bindings-for-v5.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt
Renesas DT binding updates for v5.10
- Document core support for the R-Car V3U (R8A779A0) SoC and the
Renesas Falcon CPU and BreakOut boards.
* tag 'renesas-dt-bindings-for-v5.10-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
dt-bindings: arm: renesas: Document Renesas Falcon boards
dt-bindings: reset: renesas,rst: Document r8a779a0 reset module
dt-bindings: power: renesas,rcar-sysc: Document r8a779a0 SYSC bindings
dt-bindings: arm: renesas: Document R-Car V3U SoC DT bindings
Link: https://lore.kernel.org/r/20200918124800.15555-5-geert+renesas@glider.be
Signed-off-by: Olof Johansson <olof@lixom.net>
Marek Behún