Pioneer DJ DJM-250MK2 is a mixer that acts like a USB sound card.
The MIDI controller part is standard but the PCM part is "vendor specific".
Output is enabled by this quirk: 8 channels, 48 000 Hz, S24_3LE.
Input is not working.
Signed-off-by: František Kučera <franta-linux@frantovo.cz>
Link: https://lore.kernel.org/r/20200401095907.3387-1-konference@frantovo.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
An empty merge for the original fix for PCM OSS regression where the
same fix is already applied in a different form.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
[ This is essentially the same fix as commit ae769d3556, but it's
adapted to the latest code for 5.7; hence it contains no Fixes or
other tags for avoid backport confusion -- tiwai ]
The recent fix for the OOB access in PCM OSS plugins (commit
f2ecf903ef: "ALSA: pcm: oss: Avoid plugin buffer overflow") caused a
regression on OSS applications. The patch introduced the size check
in client and slave size calculations to limit to each plugin's buffer
size, but I overlooked that some code paths call those without
allocating the buffer but just for estimation.
This patch fixes the bug by skipping the size check for those code
paths while keeping checking in the actual transfer calls.
Link: https://lore.kernel.org/r/20200403073818.27943-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The recent fix for the OOB access in PCM OSS plugins (commit
f2ecf903ef: "ALSA: pcm: oss: Avoid plugin buffer overflow") caused a
regression on OSS applications. The patch introduced the size check
in client and slave size calculations to limit to each plugin's buffer
size, but I overlooked that some code paths call those without
allocating the buffer but just for estimation.
This patch fixes the bug by skipping the size check for those code
paths while keeping checking in the actual transfer calls.
Fixes: f2ecf903ef ("ALSA: pcm: oss: Avoid plugin buffer overflow")
Tested-and-reported-by: Jari Ruusu <jari.ruusu@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200403072515.25539-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This reverts commit ebb37cf3ff.
That commit does not play well with soft-masked irq state
manipulations in idle, interrupt replay, and possibly others due to
tracing code sometimes using irq_work_queue (e.g., in
trace_hardirqs_on()). That can cause PACA_IRQ_DEC to become set when
it is not expected, and be ignored or cleared or cause warnings.
The net result seems to be missing an irq_work until the next timer
interrupt in the worst case which is usually not going to be noticed,
however it could be a long time if the tick is disabled, which is
against the spirit of irq_work and might cause real problems.
The idea is still solid, but it would need more work. It's not really
clear if it would be worth added complexity, so revert this for
now (not a straight revert, but replace with a comment explaining why
we might see interrupts happening, and gives git blame something to
find).
Fixes: ebb37cf3ff ("powerpc/64: irq_work avoid interrupt when called with hardware irqs enabled")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200402120401.1115883-1-npiggin@gmail.com
The PowerPC time code is not a clock provider, and just needs to call
of_clk_init().
Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>.
Remove the #ifdef protecting the of_clk_init() call, as a stub is
available for the !CONFIG_COMMON_CLK case.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200213083804.24315-1-geert+renesas@glider.be
For the memory size ( > 512MB, < 1GB), the MSA setting is:
- SSEG0: PHY_START , PHY_START + 512MB
- SSEG1: PHY_START + 512MB, PHY_START + 1GB
But the real memory is no more than 1GB, there is a gap between the
end size of memory and border of 1GB. CPU could speculatively
execute to that gap and if the gap of the bus couldn't respond to
the CPU request, then the crash will happen.
Now make the setting with:
- SSEG0: PHY_START , PHY_START + 512MB (no change)
- SSEG1: Disabled (We use highmem to use the memory of 512MB~1GB)
We also deprecated zhole_szie[] settings, it's only used by arm
style CPUs. All memory gap should use Reserved setting of dts in
csky system.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Currently in the case where eq->src != req->ds, the allocation of
ptr is kfree'd at the end of the code block. However later on in
the case where enc is not null any of the error return paths that
return via the error handling return path end up performing an
erroneous second kfree of ptr.
Fix this by adding an error exit label error_free and only jump to
this when ptr needs kfree'ing thus avoiding the double free issue.
Addresses-Coverity: ("Double free")
Fixes: 10b4f09491 ("crypto: marvell - add the Virtual Function driver for CPT")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
When UACCE is m, CRYPTO_DEV_HISI_QM cannot be built-in.
But CRYPTO_DEV_HISI_QM is selected by CRYPTO_DEV_HISI_SEC2
and CRYPTO_DEV_HISI_HPRE unconditionally, which may leads this:
drivers/crypto/hisilicon/qm.o: In function 'qm_alloc_uacce':
drivers/crypto/hisilicon/qm.c:1579: undefined reference to 'uacce_alloc'
Add Kconfig dependency to enforce usable configurations.
Fixes: 47c16b4499 ("crypto: hisilicon - qm depends on UACCE")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This patch adds support for uprobes on csky architecture.
Just like kprobe, it support single-step and simulate instructions.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch enable kprobes, kretprobes, ftrace interface. It utilized
software breakpoint and single step debug exceptions, instructions
simulation on csky.
We use USR_BKPT replace origin instruction, and the kprobe handler
prepares an excutable memory slot for out-of-line execution with a
copy of the original instruction being probed. Most of instructions
could be executed by single-step, but some instructions need origin
pc value to execute and we need software simulate these instructions.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Introduce 'zero_page_range' as a dax operation. This facilitates
filesystem-dax operation without a block-device.
- Advertise a persistence-domain for of_pmem and papr_scm. The
persistence domain indicates where cpu-store cycles need to reach in
the platform-memory subsystem before the platform will consider them
power-fail protected.
- Fixup some flexible-array declarations.
- Promote numa_map_to_online_node() to a cross-kernel generic facility.
- Save x86 numa information to allow for node-id lookups for reserved
memory ranges, deploy that capability for the e820-pmem driver.
- Introduce phys_to_target_node() to facilitate drivers that want to
know resulting numa node if a given reserved address range was
onlined.
Pick up some miscellaneous minor fixes, that missed v5.6-final,
including a some smatch reports in the ioctl path and some unit test
compilation fixups.
The test was previously using an mprotect on the heap memory allocated
using malloc and was expecting the allocation to be always using
sbrk(2). This is, however, not always true and in certain conditions
malloc may end up using anonymous mmaps for heap alloctions. This means
that the following condition that is used in the "lsm/file_mprotect"
program is not sufficent to detect all mprotect calls done on heap
memory:
is_heap = (vma->vm_start >= vma->vm_mm->start_brk &&
vma->vm_end <= vma->vm_mm->brk);
The test is updated to use an mprotect on memory allocated on the stack.
While this would result in the splitting of the vma, this happens only
after the security_file_mprotect hook. So, the condition used in the BPF
program holds true.
Fixes: 03e54f100d ("bpf: lsm: Add selftests for BPF_PROG_TYPE_LSM")
Reported-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: KP Singh <kpsingh@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200402200751.26372-1-kpsingh@chromium.org
zero_page_range() dax operation is mandatory for dax devices. Right now
that check happens in dax_zero_page_range() function. Dan thinks that's
too late and its better to do the check earlier in alloc_dax().
I also modified alloc_dax() to return pointer with error code in it in
case of failure. Right now it returns NULL and caller assumes failure
happened due to -ENOMEM. But with this ->zero_page_range() check, I
need to return -EINVAL instead.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Link: https://lore.kernel.org/r/20200401161125.GB9398@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Add a helper dax_ioamp_zero() to zero a range. This patch basically
merges __dax_zero_page_range() and iomap_dax_zero().
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20200228163456.1587-7-vgoyal@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Use new dax native zero page method for zeroing page if I/O is page
aligned. Otherwise fall back to direct_access() + memcpy().
This gets rid of one of the depenendency on block device in dax path.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Link: https://lore.kernel.org/r/20200228163456.1587-6-vgoyal@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This patch adds support for dax zero_page_range operation to dm targets.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Link: https://lore.kernel.org/r/20200228163456.1587-5-vgoyal@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Add a dax operation zero_page_range, to zero a page. This will also clear any
known poison in the page being zeroed.
As of now, zeroing of one page is allowed in a single call. There
are no callers which are trying to zero more than a page in a single call.
Once we grow the callers which zero more than a page in single call, we
can add that support. Primary reason for not doing that yet is that this
will add little complexity in dm implementation where a range might be
spanning multiple underlying targets and one will have to split the range
into multiple sub ranges and call zero_page_range() on individual targets.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Link: https://lore.kernel.org/r/20200228163456.1587-3-vgoyal@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This splits pmem_do_bvec() into pmem_do_read() and pmem_do_write().
pmem_do_write() will be used by pmem zero_page_range() as well. Hence
sharing the same code.
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Link: https://lore.kernel.org/r/20200228163456.1587-2-vgoyal@redhat.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Unlike normal memory ("memory" compatible type in the FDT), the
persistent memory ("ibm,pmemory" in the FDT) can be mapped anywhere in
the guest physical space and it can be used for DMA.
In order to maintain 1:1 mapping via the huge DMA window, we need to
know the maximum physical address at the time of the window setup. So
far we've been looking at "memory" nodes but "ibm,pmemory" does not
have fixed addresses and the persistent memory may be mapped
afterwards.
Since the persistent memory is still backed with page structs, use
MAX_PHYSMEM_BITS as the upper limit.
This effectively disables huge DMA window in LPAR under pHyp if
persistent memory is present but this is the best we can do for the
moment.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Tested-by: Wen Xiong<wenxiong@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200331012338.23773-1-aik@ozlabs.ru
sparc32 is the last platform making dynamic decisions in
get_arch_dma_ops based on the bus passed in. Instead set the
iommu dma_ops at iommu probing and propagate them in
of_propagate_archdata, falling back to the NULL ops for the
direct mapping in the Leon or PCI case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current driver is getting a wrong ibias index of pll clocks from
number 1. This patch fix that issue, then getting ibias index from 0.
Fixes: 3e37b00558 ("clk: sprd: add adjustable pll support")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lkml.kernel.org/r/20200330021640.14133-1-zhang.lyra@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Use list_for_each_entry_safe() instead of list_for_each_safe()
to simplify the code.
Signed-off-by: chenqiwu <chenqiwu@xiaomi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Shifting the integer value 1 is evaluated using 32-bit
arithmetic and then used in an expression that expects a 64-bit
value, so there is potentially an integer overflow. Fix this
by using the BIT_ULL macro to perform the shift and avoid the
overflow.
Addresses-Coverity: ("Unintentional integer overflow")
Fixes: 13f2e64b94 ("mlxsw: spectrum_trap: Add devlink-trap policer support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Remove pegasus' own workqueue and replace it with system_long_wq.
Signed-off-by: Petko Manolov <petkan@nucleusys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, we limited the retrans_time to be greater than HZ/2. i.e.
setting retrans_time less than 500ms will not work. This makes the user
unable to achieve a more accurate control for bonding arp fast failover.
Update the sanity check to HZ/100, which is 10ms, to let users have more
ability on the retrans_time control.
v3: sync the behavior with IPv6 and update all the timer handler
v2: use HZ instead of hard code number
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The struct sw_flow is protected by RCU, when traversing them,
use hlist_for_each_entry_rcu.
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Tested-by: Greg Rose <gvrose8192@gmail.com>
Reviewed-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, SO_BINDTODEVICE requires CAP_NET_RAW. This change allows a
non-root user to bind a socket to an interface if it is not already
bound. This is useful to allow an application to bind itself to a
specific VRF for outgoing or incoming connections. Currently, an
application wanting to manage connections through several VRF need to
be privileged.
Previously, IP_UNICAST_IF and IPV6_UNICAST_IF were added for
Wine (76e21053b5 and c4062dfc42) specifically for use by
non-root processes. However, they are restricted to sendmsg() and not
usable with TCP. Allowing SO_BINDTODEVICE would allow TCP clients to
get the same privilege. As for TCP servers, outside the VRF use case,
SO_BINDTODEVICE would only further restrict connections a server could
accept.
When an application is restricted to a VRF (with `ip vrf exec`), the
socket is bound to an interface at creation and therefore, a
non-privileged call to SO_BINDTODEVICE to escape the VRF fails.
When an application bound a socket to SO_BINDTODEVICE and transmit it
to a non-privileged process through a Unix socket, a tentative to
change the bound device also fails.
Before:
>>> import socket
>>> s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>>> s.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, b"dummy0")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
PermissionError: [Errno 1] Operation not permitted
After:
>>> import socket
>>> s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>>> s.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, b"dummy0")
>>> s.setsockopt(socket.SOL_SOCKET, socket.SO_BINDTODEVICE, b"dummy0")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
PermissionError: [Errno 1] Operation not permitted
Signed-off-by: Vincent Bernat <vincent@bernat.ch>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Unit test for overlays with GPIO hogs
- Improve dma-ranges parsing to handle dma-ranges with multiple entries
- Update dtc to upstream version v1.6.0-2-g87a656ae5ff9
- Improve overlay error reporting
- Device link support for power-domains and hwlocks bindings
- Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida,
PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and
ITE Tech
- Add deprecated Marvell vendor prefix 'mrvl'
- A bunch of binding conversions to DT schema continues. Of note, the
common serial and USB connector bindings are converted.
- Add more Arm CPU compatibles
- Drop Mark Rutland as DT maintainer :(
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Merge tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Unit test for overlays with GPIO hogs
- Improve dma-ranges parsing to handle dma-ranges with multiple entries
- Update dtc to upstream version v1.6.0-2-g87a656ae5ff9
- Improve overlay error reporting
- Device link support for power-domains and hwlocks bindings
- Add vendor prefixes for Beacon, Topwise, ENE, Dell, SG Micro, Elida,
PocketBook, Xiaomi, Linutronix, OzzMaker, Waveshare Electronics, and
ITE Tech
- Add deprecated Marvell vendor prefix 'mrvl'
- A bunch of binding conversions to DT schema continues. Of note, the
common serial and USB connector bindings are converted.
- Add more Arm CPU compatibles
- Drop Mark Rutland as DT maintainer :(
* tag 'devicetree-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (106 commits)
MAINTAINERS: drop an old reference to stm32 pwm timers doc
MAINTAINERS: dt: update etnaviv file reference
dt-bindings: usb: dwc2: fix bindings for amlogic, meson-gxbb-usb
dt-bindings: uniphier-system-bus: fix warning in the example
dt-bindings: display: meson-vpu: fix indentation of reg-names' "items"
dt-bindings: iio: Fix adi, ltc2983 uint64-matrix schema constraints
dt-bindings: power: Fix example for power-domain
dt-bindings: arm: Add some constraints for PSCI nodes
of: some unittest overlays not untracked
of: gpio unittest kfree() wrong object
dt-bindings: phy: convert phy-rockchip-inno-usb2 bindings to yaml
dt-bindings: serial: sh-sci: Convert to json-schema
dt-bindings: serial: Document serialN aliases
dt-bindings: thermal: tsens: Set 'additionalProperties: false'
dt-bindings: thermal: tsens: Fix nvmem-cell-names schema
dt-bindings: vendor-prefixes: Add Beacon vendor prefix
dt-bindings: vendor-prefixes: Add Topwise
of: of_private.h: Replace zero-length array with flexible-array member
docs: dt: fix a broken reference to input.yaml
docs: dt: fix references to ap806-system-controller.txt
...
update changing all our txt files to rst ones. Excluding that, we
have the usual driver updates (qla2xxx, ufs, lpfc, zfcp, ibmvfc,
pm80xx, aacraid), a treewide update for scnprintf and some other minor
updates. The major core update is Hannes moving functions out of the
aacraid driver and into the core.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series has a huge amount of churn because it pulls in Mauro's doc
update changing all our txt files to rst ones.
Excluding that, we have the usual driver updates (qla2xxx, ufs, lpfc,
zfcp, ibmvfc, pm80xx, aacraid), a treewide update for scnprintf and
some other minor updates.
The major core change is Hannes moving functions out of the aacraid
driver and into the core"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (223 commits)
scsi: aic7xxx: aic97xx: Remove FreeBSD-specific code
scsi: ufs: Do not rely on prefetched data
scsi: dc395x: remove dc395x_bios_param
scsi: libiscsi: Fix error count for active session
scsi: hpsa: correct race condition in offload enabled
scsi: message: fusion: Replace zero-length array with flexible-array member
scsi: qedi: Add PCI shutdown handler support
scsi: qedi: Add MFW error recovery process
scsi: ufs: Enable block layer runtime PM for well-known logical units
scsi: ufs-qcom: Override devfreq parameters
scsi: ufshcd: Let vendor override devfreq parameters
scsi: ufshcd: Update the set frequency to devfreq
scsi: ufs: Resume ufs host before accessing ufs device
scsi: ufs-mediatek: customize the delay for enabling host
scsi: ufs: make HCE polling more compact to improve initialization latency
scsi: ufs: allow custom delay prior to host enabling
scsi: ufs-mediatek: use common delay function
scsi: ufs: introduce common and flexible delay function
scsi: ufs: use an enum for host capabilities
scsi: ufs: fix uninitialized tx_lanes in ufshcd_disable_tx_lcc()
...
* Fix issue where write_cached_data() fails but write() still returns success
* maps: sa1100-flash: Replace zero-length array with flexible-array member
* phram: Fix a double free issue in error path
* Convert fallthrough comments into statements
* MAINTAINERS: Add the IRC channel to the MTD related subsystems
Raw NAND core changes:
* Add support for manufacturer specific suspend/resume operation
* Add support for manufacturer specific lock/unlock operation
* Replace zero-length array with flexible-array member
* Fix a typo ("manufecturer")
* Ensure nand_soft_waitrdy wait period is enough
Raw NAND controller driver changes:
* Brcmnand:
- Add support for flash-edu for dma transfers (+ bindings)
* Cadence:
- Reinit completion before executing a new command
- Change bad block marker size
- Fix the calculation of the avaialble OOB size
- Get meta data size from registers
* Qualcom:
- Use dma_request_chan() instead dma_request_slave_channel()
- Release resources on failure within qcom_nandc_alloc()
* Allwinner:
- Use dma_request_chan() instead dma_request_slave_channel()
* Marvell:
- Use dma_request_chan() instead dma_request_slave_channel()
- Release DMA channel on error
* Freescale:
- Use dma_request_chan() instead dma_request_slave_channel()
* Macronix:
- Add support for Macronix NAND randomizer (+ bindings)
* Ams-delta:
- Rename structures and functions to gpio_nand*
- Make the driver custom I/O ready
- Drop useless local variable
- Support custom driver initialisation
- Add module device tables
- Handle more GPIO pins as optional
- Make read pulses optional
- Don't hardcode read/write pulse widths
- Push inversion handling to gpiolib
- Enable OF partition info support
- Drop board specific partition info
- Use struct gpio_nand_platdata
- Write protect device during probe
* Ingenic:
- Use devm_platform_ioremap_resource()
- Add dependency on MIPS || COMPILE_TEST
* Denali:
- Deassert write protect pin
* ST:
- Use dma_request_chan() instead dma_request_slave_channel()
Raw NAND chip driver changes:
* Toshiba:
- Support reading the number of bitflips for BENAND (Built-in ECC NAND)
* Macronix:
- Add support for deep power down mode
- Add support for block protection
SPI-NAND core changes:
* Do not erase the block before writing a bad block marker
* Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
* Stop using spinand->oobbuf for buffering bad block markers
* Rework detect procedure for different READ_ID operation
SPI-NAND driver changes:
* Toshiba:
- Support for new Kioxia Serial NAND
- Rename function name to change suffix and prefix (8Gbit)
- Add comment about Kioxia ID
* Micron:
- Add new Micron SPI NAND devices with multiple dies
- Add M70A series Micron SPI NAND devices
- identify SPI NAND device with Continuous Read mode
- Add new Micron SPI NAND devices
- Describe the SPI NAND device MT29F2G01ABAGD
- Generalize the OOB layout structure and function names
SPI NOR core changes:
* Move all the manufacturer specific quirks/code out of the core,
to make the core logic more readable and thus ease maintenance.
* Move the SFDP logic out of the core, it provides a better
separation between the SFDP parsing and core logic.
* Trim what is exposed in spi-nor.h. The SPI NOR controllers drivers
must not be able to use structures that are meant just for the
SPI NOR core.
* Use the spi-mem direct mapping API to let advanced controllers
optimize the read/write operations when they support direct mapping.
* Add generic formula for the Status Register block protection
handling. It fixes some long standing locking limitations and eases
the addition of the 4bit block protection support.
* Add block protection support for flashes with 4 block protection
bits in the Status Register.
SPI NOR controller drivers changes:
* The mtk-quadspi driver is replaced by the new spi-mem spi-mtk-nor
driver.
* Merge tag 'mtk-mtd-spi-move' into spi-nor/next to avoid conflicts.
HyperBus changes:
* Print error msg when compatible is wrong or missing
* Move mapping of direct access window from core to individual drivers
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Merge tag 'mtd/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD core changes:
- Fix issue where write_cached_data() fails but write() still returns
success
- maps: sa1100-flash: Replace zero-length array with flexible-array
member
- phram: Fix a double free issue in error path
- Convert fallthrough comments into statements
- MAINTAINERS: Add the IRC channel to the MTD related subsystems
Raw NAND core changes:
- Add support for manufacturer specific suspend/resume operation
- Add support for manufacturer specific lock/unlock operation
- Replace zero-length array with flexible-array member
- Fix a typo ("manufecturer")
- Ensure nand_soft_waitrdy wait period is enough
Raw NAND controller driver changes:
- Brcmnand:
* Add support for flash-edu for dma transfers (+ bindings)
- Cadence:
* Reinit completion before executing a new command
* Change bad block marker size
* Fix the calculation of the avaialble OOB size
* Get meta data size from registers
- Qualcom:
* Use dma_request_chan() instead dma_request_slave_channel()
* Release resources on failure within qcom_nandc_alloc()
- Allwinner:
* Use dma_request_chan() instead dma_request_slave_channel()
- Marvell:
* Use dma_request_chan() instead dma_request_slave_channel()
* Release DMA channel on error
- Freescale:
* Use dma_request_chan() instead dma_request_slave_channel()
- Macronix:
* Add support for Macronix NAND randomizer (+ bindings)
- Ams-delta:
* Rename structures and functions to gpio_nand*
* Make the driver custom I/O ready
* Drop useless local variable
* Support custom driver initialisation
* Add module device tables
* Handle more GPIO pins as optional
* Make read pulses optional
* Don't hardcode read/write pulse widths
* Push inversion handling to gpiolib
* Enable OF partition info support
* Drop board specific partition info
* Use struct gpio_nand_platdata
* Write protect device during probe
- Ingenic:
* Use devm_platform_ioremap_resource()
* Add dependency on MIPS || COMPILE_TEST
- Denali:
* Deassert write protect pin
- ST:
* Use dma_request_chan() instead dma_request_slave_channel()
Raw NAND chip driver changes:
- Toshiba:
* Support reading the number of bitflips for BENAND (Built-in ECC NAND)
- Macronix:
* Add support for deep power down mode
* Add support for block protection
SPI-NAND core changes:
- Do not erase the block before writing a bad block marker
- Explicitly use MTD_OPS_RAW to write the bad block marker to OOB
- Stop using spinand->oobbuf for buffering bad block markers
- Rework detect procedure for different READ_ID operation
SPI-NAND driver changes:
- Toshiba:
* Support for new Kioxia Serial NAND
* Rename function name to change suffix and prefix (8Gbit)
* Add comment about Kioxia ID
- Micron:
* Add new Micron SPI NAND devices with multiple dies
* Add M70A series Micron SPI NAND devices
* identify SPI NAND device with Continuous Read mode
* Add new Micron SPI NAND devices
* Describe the SPI NAND device MT29F2G01ABAGD
* Generalize the OOB layout structure and function names
SPI NOR core changes:
- Move all the manufacturer specific quirks/code out of the core, to
make the core logic more readable and thus ease maintenance.
- Move the SFDP logic out of the core, it provides a better
separation between the SFDP parsing and core logic.
- Trim what is exposed in spi-nor.h. The SPI NOR controllers drivers
must not be able to use structures that are meant just for the SPI
NOR core.
- Use the spi-mem direct mapping API to let advanced controllers
optimize the read/write operations when they support direct
mapping.
- Add generic formula for the Status Register block protection
handling. It fixes some long standing locking limitations and eases
the addition of the 4bit block protection support.
- Add block protection support for flashes with 4 block protection
bits in the Status Register.
SPI NOR controller drivers changes:
- The mtk-quadspi driver is replaced by the new spi-mem spi-mtk-nor
driver.
- Merge tag 'mtk-mtd-spi-move' into spi-nor/next to avoid conflicts.
HyperBus changes:
- Print error msg when compatible is wrong or missing
- Move mapping of direct access window from core to individual
drivers"
* tag 'mtd/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (103 commits)
mtd: Convert fallthrough comments into statements
mtd: rawnand: toshiba: Support reading the number of bitflips for BENAND (Built-in ECC NAND)
MAINTAINERS: Add the IRC channel to the MTD related subsystems
mtd: Fix issue where write_cached_data() fails but write() still returns success
mtd: maps: sa1100-flash: Replace zero-length array with flexible-array member
mtd: phram: fix a double free issue in error path
mtd: spinand: toshiba: Support for new Kioxia Serial NAND
mtd: spinand: toshiba: Rename function name to change suffix and prefix (8Gbit)
mtd: rawnand: macronix: Add support for deep power down mode
mtd: rawnand: Add support for manufacturer specific suspend/resume operation
mtd: spi-nor: Enable locking for n25q512ax3/n25q512a
mtd: spi-nor: Add SR 4bit block protection support
mtd: spi-nor: Add generic formula for SR block protection handling
mtd: spi-nor: Set all BP bits to one when lock_len == mtd->size
mtd: spi-nor: controllers: aspeed-smc: Replace zero-length array with flexible-array member
mtd: spi-nor: Clear WEL bit when erase or program errors occur
MAINTAINERS: update entry after SPI NOR controller move
mtd: spi-nor: Trim what is exposed in spi-nor.h
mtd: spi-nor: Drop the MFR definitions
mtd: spi-nor: Get rid of the now empty spi_nor_ids[] table
...
Huge page-table entries for TTM
In order to reduce CPU usage [1] and in theory TLB misses this patchset enables
huge- and giant page-table entries for TTM and TTM-enabled graphics drivers.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom (VMware) <thomas_os@shipmail.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200325073102.6129-1-thomas_os@shipmail.org
- Core:
- Some code cleanup and optimization in core by Andy
- Debugfs support for displaying dmaengine channels by Peter
- Drivers:
- New driver for uniphier-xdmac controller
- Updates to stm32 dma, mdma and dmamux drivers and PM support
- More updates to idxd drivers
- Bunch of changes in tegra-apb driver and cleaning up of pm functions
- Bunch of spelling fixes and Replace zero-length array patches
- Shutdown hook for fsl-dpaa2-qdma driver
- Support for interleaved transfers for ti-edma and virtualization
support for k3-dma driver
- Support for reset and updates in xilinx_dma driver
- Improvements and locking updates in at_hdma driver
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Merge tag 'dmaengine-5.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"Core:
- Some code cleanup and optimization in core by Andy
- Debugfs support for displaying dmaengine channels by Peter
Drivers:
- New driver for uniphier-xdmac controller
- Updates to stm32 dma, mdma and dmamux drivers and PM support
- More updates to idxd drivers
- Bunch of changes in tegra-apb driver and cleaning up of pm
functions
- Bunch of spelling fixes and Replace zero-length array patches
- Shutdown hook for fsl-dpaa2-qdma driver
- Support for interleaved transfers for ti-edma and virtualization
support for k3-dma driver
- Support for reset and updates in xilinx_dma driver
- Improvements and locking updates in at_hdma driver"
* tag 'dmaengine-5.7-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (89 commits)
dt-bindings: dma: renesas,usb-dmac: add r8a77961 support
dmaengine: uniphier-xdmac: Remove redandant error log for platform_get_irq
dmaengine: tegra-apb: Improve DMA synchronization
dmaengine: tegra-apb: Don't save/restore IRQ flags in interrupt handler
dmaengine: tegra-apb: mark PM functions as __maybe_unused
dmaengine: fix spelling mistake "exceds" -> "exceeds"
dmaengine: sprd: Set request pending flag when DMA controller is active
dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow
dmaengine: idxd: remove global token limit check
dmaengine: idxd: reflect shadow copy of traffic class programming
dmaengine: idxd: Merge definition of dsa_batch_desc into dsa_hw_desc
dmaengine: Create debug directories for DMA devices
dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs
dmaengine: Add basic debugfs support
dmaengine: fsl-dpaa2-qdma: remove set but not used variable 'dpaa2_qdma'
dmaengine: ti: edma: fix null dereference because of a typo in pointer name
dmaengine: fsl-dpaa2-qdma: Adding shutdown hook
dmaengine: uniphier-xdmac: Add UniPhier external DMA controller driver
dt-bindings: dmaengine: Add UniPhier external DMA controller bindings
dmaengine: ti: k3-udma: Implement support for atype (for virtualization)
...
Pull i2c updates from Wolfram Sang:
"I2C has:
- using defines for bus speeds to avoid mistakes in hardcoded values;
lots of small driver updates because of that. Thanks, Andy!
- API change: i2c_setup_smbus_alert() was renamed to
i2c_new_smbus_alert_device() and returns ERRPTR now. All in-tree
users have been converted
- in the core, a rare race condition when deleting the cdev has been
fixed. Thanks, Kevin!
- lots of driver updates. Thanks, everyone!
I also want to mention: The amount of review and testing tags given
was quite high this time. Thank you to these people, too. I hope we
can keep it like this!"
* 'i2c/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (34 commits)
i2c: rcar: clean up after refactoring i2c_timings
macintosh: convert to i2c_new_scanned_device
i2c: drivers: Use generic definitions for bus frequencies
i2c: algo: Use generic definitions for bus frequencies
i2c: stm32f7: switch to I²C generic property parsing
i2c: rcar: Consolidate timings calls in rcar_i2c_clock_calculate()
i2c: core: Allow override timing properties with 0
i2c: core: Provide generic definitions for bus frequencies
i2c: mxs: Use dma_request_chan() instead dma_request_slave_channel()
i2c: imx: remove duplicate print after platform_get_irq()
i2c: designware: Fix spelling typos in the comments
i2c: designware: Discard i2c_dw_read_comp_param() function
i2c: designware: Detect the FIFO size in the common code
i2c: dev: Fix the race between the release of i2c_dev and cdev
i2c: qcom-geni: Drop of_platform.h include
i2c: qcom-geni: Grow a dev pointer to simplify code
i2c: qcom-geni: Let firmware specify irq trigger flags
i2c: stm32f7: do not backup read-only PECR register
i2c: smbus: remove outdated references to irq level triggers
i2c: convert SMBus alert setup function to return an ERRPTR
...
Setting nfs_mountpoint_expiry_timeout() to a negative value stops
mountpoint expiration, while setting it to a positive value restarts
the scheduler.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
We must not return from nfs_d_automount() without holding 2 references
to the mount record. Doing so, will trigger the BUG() in finish_automount().
Also ensure that we don't try to reschedule the automount timer with
a negative or zero timeout value.
Fixes: 22a1ae9a93 ("NFS: If nfs_mountpoint_expiry_timeout < 0, do not expire submounts")
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This became again a busy development cycle. There are a few ALSA
core updates (merely API cleanups and sparse fixes), while majority
of other changes are found in ASoC scene.
Here are some highlights:
* ALSA core:
- More helper macros for sparse warning fixes (e.g. bitwise types)
- Slight optimization of PCM OSS locks
- Make common handling for PCM / compress buffers (for SOF)
* ASoC:
- Lots of code refactoring and modernization for (still ongoing)
componentization works
- Conversion of SND_SOC_ALL_CODECS to use imply
- Continued refactoring and fixing of the Intel SOF/SST support,
including the initial (but still incomplete) SoundWire support
- SoundWire and more advanced clocking support for Realtek RT5682
- Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563
and TLV320ADCX140
* HD-audio:
- Optimizations in HDMI jack handling
- A few new quirks and fixups for Realtek codecs
* USB-audio:
- Delayed registration support
- New quirks for Motu, Kingston, Presonus
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Merge tag 'sound-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This became again a busy development cycle. There are few ALSA core
updates (merely API cleanups and sparse fixes), with the majority of
other changes are found in ASoC scene.
Here are some highlights:
ALSA core:
- More helper macros for sparse warning fixes (e.g. bitwise types)
- Slight optimization of PCM OSS locks
- Make common handling for PCM / compress buffers (for SOF)
ASoC:
- Lots of code refactoring and modernization for (still ongoing)
componentization works
- Conversion of SND_SOC_ALL_CODECS to use imply
- Continued refactoring and fixing of the Intel SOF/SST support,
including the initial (but still incomplete) SoundWire support
- SoundWire and more advanced clocking support for Realtek RT5682
- Support for amlogic GX, Meson 8, Meson 8B and T9015 DAC, Broadcom
DSL/PON, Ingenic JZ4760 and JZ4770, Realtek RL6231, and TI TAS2563
and TLV320ADCX140
HD-audio:
- Optimizations in HDMI jack handling
- A few new quirks and fixups for Realtek codecs
USB-audio:
- Delayed registration support
- New quirks for Motu, Kingston, Presonus"
* tag 'sound-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (415 commits)
ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor
Revert "ALSA: uapi: Drop asound.h inclusion from asoc.h"
ALSA: hda/realtek - Remove now-unnecessary XPS 13 headphone noise fixups
ALSA: hda/realtek - Set principled PC Beep configuration for ALC256
ALSA: doc: Document PC Beep Hidden Register on Realtek ALC256
ALSA: hda/realtek - a fake key event is triggered by running shutup
ALSA: hda: default enable CA0132 DSP support
ASoC: amd: acp3x-pcm-dma: clean up two indentation issues
ASoC: tlv320adcx140: Remove undocumented property
ASoC: Intel: sof_sdw: Add Volteer support with RT5682 SNDW helper function
ASoC: Intel: common: add match table for TGL RT5682 SoundWire driver
ASoC: Intel: boards: add sof_sdw machine driver
ASoC: Intel: soc-acpi: update topology and driver name for SoundWire platforms
ASoC: rt5682: move DAI clock registry to I2S mode
ASoC: pxa: magician: convert to use i2c_new_client_device()
ASoC: SOF: Intel: hda-ctrl: add reset cycle before parsing capabilities
Asoc: SOF: Intel: hda: check SoundWire wakeen interrupt in irq thread
ASoC: SOF: Intel: hda: add WAKEEN interrupt support for SoundWire
ASoC: SOF: Intel: hda: add parameter to control SoundWire clock stop quirks
ASoC: SOF: Intel: hda: merge IPC, stream and SoundWire interrupt handlers
...
There are no core changes this time, only driver developments.
- New driver for the Dialog Semiconductor DA9062 Power Management
Integrated Circuit (PMIC).
- Renesas SH-PFC has improved consistency, with group and
register checks in the configuration checker.
- New subdriver for the Qualcomm IPQ6018.
- Add the RGMII pin control functionality to Qualcomm IPQ8064.
- Performance and code quality cleanups in the Mediatek
driver.
- Improve the Broadcom BCM2835 support to cover all the GPIOs
that exist in it.
- The Allwinner/Sunxi driver properly masks non-wakeup IRQs on
suspend.
- Add some missing groups and functions to the Ingenic driver.
- Convert some of the Freescale device tree bindings to use the
new and all improved JSON YAML markup.
- Refactorings and support for the SFIO/GPIO in the Tegra194
SoC driver.
- Support high impedance mode in the Spreadtrum/Unisoc driver.
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Merge tag 'pinctrl-v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.7 kernel cycle.
There are no core changes this time, only driver developments:
- New driver for the Dialog Semiconductor DA9062 Power Management
Integrated Circuit (PMIC).
- Renesas SH-PFC has improved consistency, with group and register
checks in the configuration checker.
- New subdriver for the Qualcomm IPQ6018.
- Add the RGMII pin control functionality to Qualcomm IPQ8064.
- Performance and code quality cleanups in the Mediatek driver.
- Improve the Broadcom BCM2835 support to cover all the GPIOs that
exist in it.
- The Allwinner/Sunxi driver properly masks non-wakeup IRQs on
suspend.
- Add some missing groups and functions to the Ingenic driver.
- Convert some of the Freescale device tree bindings to use the new
and all improved JSON YAML markup.
- Refactorings and support for the SFIO/GPIO in the Tegra194 SoC
driver.
- Support high impedance mode in the Spreadtrum/Unisoc driver"
* tag 'pinctrl-v5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (64 commits)
pinctrl: qcom: fix compilation error
pinctrl: qcom: use scm_call to route GPIO irq to Apps
pinctrl: sprd: Add pin high impedance mode support
pinctrl: sprd: Use the correct pin output configuration
pinctrl: tegra: Add SFIO/GPIO programming on Tegra194
pinctrl: tegra: Renumber the GG.0 and GG.1 pins
pinctrl: tegra: Do not add default pin range on Tegra194
pinctrl: tegra: Pass struct tegra_pmx for pin range check
pinctrl: tegra: Fix "Scmitt" -> "Schmitt" typo
pinctrl: tegra: Fix whitespace issues for improved readability
pinctrl: mediatek: Use scnprintf() for avoiding potential buffer overflow
pinctrl: freescale: drop the dependency on ARM64 for i.MX8M
Revert "pinctrl: mvebu: armada-37xx: use use platform api"
dt-bindings: pinctrl: at91: Fix a typo ("descibe")
pinctrl: meson: add tsin pinctrl for meson gxbb/gxl/gxm
pinctrl: sprd: Fix the kconfig warning
pinctrl: ingenic: add hdmi-ddc pin control group
pinctrl: sirf/atlas7: Replace zero-length array with flexible-array member
pinctrl: sprd: Allow the SPRD pinctrl driver building into a module
pinctrl: Export some needed symbols at module load time
...
This marks all hwspinlock driver COMPILE_TESTable and replaces the zero-length
array in hwspinlock_device with a flexible-array member.
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Merge tag 'hwlock-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull hwspinlock updates from Bjorn Andersson:
"This marks all hwspinlock driver COMPILE_TESTable and replaces the
zero-length array in hwspinlock_device with a flexible-array member"
* tag 'hwlock-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
hwspinlock: hwspinlock_internal.h: Replace zero-length array with flexible-array member
hwspinlock: Allow drivers to be built with COMPILE_TEST
This introduces a range of improvements to the OMAP remoeteproc driver;
among other things adding devicetree, suspend/resume and watchdog
support, and adds support the remoteprocs in the DRA7xx SoC.
It introduces support for 64-bit firmware, extends the ELF loader to
support this and fixes for a number of race conditions in the recovery
handling.
It introduces a generic mechanism to allow remoteproc drivers to sync
state with remote processors during a panic, and uses this to prepare
Qualcomm remote processors for post mortem analysis.
Finally it introduces fixes to cleanly recover from crashes in the modem
firmware on production Qualcomm devices.
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Merge tag 'rproc-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
- a range of improvements to the OMAP remoeteproc driver; among other
things adding devicetree, suspend/resume and watchdog support, and
adds support the remoteprocs in the DRA7xx SoC
- support for 64-bit firmware, extends the ELF loader to support this
and fixes for a number of race conditions in the recovery handling
- a generic mechanism to allow remoteproc drivers to sync state with
remote processors during a panic, and uses this to prepare Qualcomm
remote processors for post mortem analysis
- fixes to cleanly recover from crashes in the modem firmware on
production Qualcomm devices
* tag 'rproc-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (37 commits)
remoteproc/omap: Switch to SPDX license identifiers
remoteproc/omap: Add watchdog functionality for remote processors
remoteproc/omap: Report device exceptions and trigger recovery
remoteproc/omap: Add support for runtime auto-suspend/resume
remoteproc/omap: Add support for system suspend/resume
remoteproc/omap: Request a timer(s) for remoteproc usage
remoteproc/omap: Check for undefined mailbox messages
remoteproc/omap: Remove the platform_data header
remoteproc/omap: Add support for DRA7xx remote processors
remoteproc/omap: Initialize and assign reserved memory node
remoteproc/omap: Add the rproc ops .da_to_va() implementation
remoteproc/omap: Add support to parse internal memories from DT
remoteproc/omap: Add a sanity check for DSP boot address alignment
remoteproc/omap: Add device tree support
dt-bindings: remoteproc: Add OMAP remoteproc bindings
remoteproc: qcom: Introduce panic handler for PAS and ADSP
remoteproc: qcom: q6v5: Add common panic handler
remoteproc: Introduce "panic" callback in ops
remoteproc: Traverse rproc_list under RCU read lock
remoteproc: Fix NULL pointer dereference in rproc_virtio_notify
...
nfs_vers_tokens, nfs_xprt_protocol_tokens, and nfs_secflavor_tokens were
all missing an empty item at the end of the array, allowing
lookup_constant() to potentially walk off the end and trigger and oops.
Reported-by: Olga Kornievskaia <aglo@umich.edu>
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Fixes: e38bb238ed ("NFS: Convert mount option parsing to use functionality from fs_parser.h")
Cc: stable@vger.kernel.org # v5.6
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
sparse reports an error due to use of RCU_INIT_POINTER helper to assign to
sk_user_data pointer, which is not tagged with __rcu:
net/core/sock.c:1875:25: error: incompatible types in comparison expression (different address spaces):
net/core/sock.c:1875:25: void [noderef] <asn:4> *
net/core/sock.c:1875:25: void *
... and rightfully so. sk_user_data is not always treated as a pointer to
an RCU-protected data. When it is used to point at an RCU-protected object,
we access it with __sk_user_data to inform sparse about it.
In this case, when the child socket does not inherit sk_user_data from the
parent, there is no reason to treat it as an RCU-protected pointer.
Use a regular assignment to clear the pointer value.
Fixes: f1ff5ce2cd ("net, sk_msg: Clear sk_user_data pointer on clone if tagged")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200402125524.851439-1-jakub@cloudflare.com
The BPF JIT fails to build for kernels configured to !MMU. Without an
MMU, the BPF JIT does not make much sense, therefore this patch
disables the JIT for nommu builds.
This was reported by the kbuild test robot:
All errors (new ones prefixed by >>):
arch/riscv/net/bpf_jit_comp64.c: In function 'bpf_jit_alloc_exec':
>> arch/riscv/net/bpf_jit_comp64.c:1094:47: error: 'BPF_JIT_REGION_START' undeclared (first use in this function)
1094 | return __vmalloc_node_range(size, PAGE_SIZE, BPF_JIT_REGION_START,
| ^~~~~~~~~~~~~~~~~~~~
arch/riscv/net/bpf_jit_comp64.c:1094:47: note: each undeclared identifier is reported only once for each function it appears in
>> arch/riscv/net/bpf_jit_comp64.c:1095:9: error: 'BPF_JIT_REGION_END' undeclared (first use in this function)
1095 | BPF_JIT_REGION_END, GFP_KERNEL,
| ^~~~~~~~~~~~~~~~~~
arch/riscv/net/bpf_jit_comp64.c:1098:1: warning: control reaches end of non-void function [-Wreturn-type]
1098 | }
| ^
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Björn Töpel <bjorn.topel@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Luke Nelson <luke.r.nels@gmail.com>
Link: https://lore.kernel.org/bpf/20200331101046.23252-1-bjorn.topel@gmail.com
Currently turning on DEBUG_INFO_SPLIT when DEBUG_INFO_BTF is also
enabled will produce invalid btf file, since gen_btf function in
link-vmlinux.sh script doesn't handle *.dwo files.
Enabling DEBUG_INFO_REDUCED will also produce invalid btf file,
and using GCC_PLUGIN_RANDSTRUCT with BTF makes no sense.
Fixes: e83b9f5544 ("kbuild: add ability to generate BTF type info for vmlinux")
Reported-by: Jann Horn <jannh@google.com>
Reported-by: Liu Yiding <liuyd.fnst@cn.fujitsu.com>
Signed-off-by: Slava Bacherikov <slava@bacher09.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: KP Singh <kpsingh@google.com>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200402204138.408021-1-slava@bacher09.org
Pull percpu updates from Dennis Zhou:
"This is just a few documentation fixes for percpu refcount and bitmap
helpers that went in v5.6, and moving my emails to all be at korg"
* 'for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu:
percpu: update copyright emails to dennis@kernel.org
include/bitmap.h: add new functions to documentation
include/bitmap.h: add missing parameter in docs
percpu_ref: Fix comment regarding percpu_ref_init flags
* GICv4.1 support
* 32bit host removal
PPC:
* secure (encrypted) using under the Protected Execution Framework
ultravisor
s390:
* allow disabling GISA (hardware interrupt injection) and protected
VMs/ultravisor support.
x86:
* New dirty bitmap flag that sets all bits in the bitmap when dirty
page logging is enabled; this is faster because it doesn't require bulk
modification of the page tables.
* Initial work on making nested SVM event injection more similar to VMX,
and less buggy.
* Various cleanups to MMU code (though the big ones and related
optimizations were delayed to 5.8). Instead of using cr3 in function
names which occasionally means eptp, KVM too has standardized on "pgd".
* A large refactoring of CPUID features, which now use an array that
parallels the core x86_features.
* Some removal of pointer chasing from kvm_x86_ops, which will also be
switched to static calls as soon as they are available.
* New Tigerlake CPUID features.
* More bugfixes, optimizations and cleanups.
Generic:
* selftests: cleanups, new MMU notifier stress test, steal-time test
* CSV output for kvm_stat.
KVM/MIPS has been broken since 5.5, it does not compile due to a patch committed
by MIPS maintainers. I had already prepared a fix, but the MIPS maintainers
prefer to fix it in generic code rather than KVM so they are taking care of it.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- GICv4.1 support
- 32bit host removal
PPC:
- secure (encrypted) using under the Protected Execution Framework
ultravisor
s390:
- allow disabling GISA (hardware interrupt injection) and protected
VMs/ultravisor support.
x86:
- New dirty bitmap flag that sets all bits in the bitmap when dirty
page logging is enabled; this is faster because it doesn't require
bulk modification of the page tables.
- Initial work on making nested SVM event injection more similar to
VMX, and less buggy.
- Various cleanups to MMU code (though the big ones and related
optimizations were delayed to 5.8). Instead of using cr3 in
function names which occasionally means eptp, KVM too has
standardized on "pgd".
- A large refactoring of CPUID features, which now use an array that
parallels the core x86_features.
- Some removal of pointer chasing from kvm_x86_ops, which will also
be switched to static calls as soon as they are available.
- New Tigerlake CPUID features.
- More bugfixes, optimizations and cleanups.
Generic:
- selftests: cleanups, new MMU notifier stress test, steal-time test
- CSV output for kvm_stat"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (277 commits)
x86/kvm: fix a missing-prototypes "vmread_error"
KVM: x86: Fix BUILD_BUG() in __cpuid_entry_get_reg() w/ CONFIG_UBSAN=y
KVM: VMX: Add a trampoline to fix VMREAD error handling
KVM: SVM: Annotate svm_x86_ops as __initdata
KVM: VMX: Annotate vmx_x86_ops as __initdata
KVM: x86: Drop __exit from kvm_x86_ops' hardware_unsetup()
KVM: x86: Copy kvm_x86_ops by value to eliminate layer of indirection
KVM: x86: Set kvm_x86_ops only after ->hardware_setup() completes
KVM: VMX: Configure runtime hooks using vmx_x86_ops
KVM: VMX: Move hardware_setup() definition below vmx_x86_ops
KVM: x86: Move init-only kvm_x86_ops to separate struct
KVM: Pass kvm_init()'s opaque param to additional arch funcs
s390/gmap: return proper error code on ksm unsharing
KVM: selftests: Fix cosmetic copy-paste error in vm_mem_region_move()
KVM: Fix out of range accesses to memslots
KVM: X86: Micro-optimize IPI fastpath delay
KVM: X86: Delay read msr data iff writes ICR MSR
KVM: PPC: Book3S HV: Add a capability for enabling secure guests
KVM: arm64: GICv4.1: Expose HW-based SGIs in debugfs
KVM: arm64: GICv4.1: Allow non-trapping WFI when using HW SGIs
...
