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Per recommendation from the CPU team, reduce the first retry
delay to 100us. Use usleep instead of schedule_timeout to avoid
stretching the delay.
Change-Id: I6698b0f05f952aaef737dd09280a17aaec81a2c5
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
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JTAG xfer length is measured in bits and it is allowed to send non 8-bit
aligned xfers. For such xfers we will read the content of the remaining
bits in the last byte of tdi buffer and restore those bits along with
the xfer readback.
Add also linux types to JTAG header to remove external dependencies.
Test:
SPR ASD Sanity and jtag_test finished successfully.
SKX ASD Sanity and jtag_test finished successfully.
Change-Id: I6d53349a724c66d08b6cbbaeac166c4857835b55
Signed-off-by: Ernesto Corona <ernesto.corona@intel.com>
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Implement two new ioctls for storing EID related information:
* ASPEED_MCTP_IOCTL_GET_EID_INFO
* ASPEED_MCTP_IOCTL_SET_EID_INFO
Driver stores EID mapping in a list which is traversed when
one tries to get information using ASPEED_MCTP_IOCTL_GET_EID_INFO
ioctl, when given EID mapping is not found in the list, next entry
is returned. When there are no entries with EIDs higher than specified
in the IOCTL call -ENODEV is returned.
Whenever new information about EID mapping is stored with
ASPEED_MCTP_IOCTL_SET_EID_INFO ioctl driver empties exsiting
list of mappings and creates new one based on user input.
After insertion list is sorted by EID. Invalid input
such as duplicated EIDs will cause driver to return -EINVAL.
Change-Id: I41e4e4e83f451a8367d58bbf9b67e8e8f7d080f4
Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
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MCTP client can register for receiving packets with selected
MCTP message type or PCIE vendor defined message type.
Vendor defined type is 2 bytes but in Intel VDMs the first byte
is variable and only the second byte contains constant message
type - to support this use case we have to specify 2 byte mask
that is applied to packet type before comparing with registered
vendor type.
When MCTP packet arrives its header is compared with a list
of registered (vendor) types.
If no client registered for packet's (vendor) type then
the packet is dispatched to the default client.
Fragmented packets are not considered for type matching.
Only one client can register for given (vendor) type.
Client can register for multiple (vendor) types.
All packet fields must be specified in big endian byte
order.
This feature allows to support multiple clients simultaneously
but only one client per (vendor) message type.
For example we can have PECI client in kernel that uses PECI
vendor message type, dcpmm daemon in user space that handles
NVDIMM vendor type messages and mctpd service that handles MCTP
control and PLDM message types.
tested with peci_mctp_test application
Change-Id: I8a9fed3d4b2f2628782299928abd15bdd7af9387
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
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Add IOCTL to register given client as default client that
receives all packets that were not dispatched to other
clients.
This IOCTL is intended to be used by mctpd service or test
application that should receive all packets that are not
claimed by other clients.
mctpd service might not be the first user space
client since dcpmm or telemetry client can start
before mctpd or mctpd can crash and be restarted
automatically at any time.
To preserve backward compatibility with mctpd, the first user space
client will be registered automatically as default client - once mctpd
is modified to call ASPEED_MCTP_IOCTL_REGISTER_DEFAULT_HANDLER we
can remove this workaround.
Change-Id: I9e7f48ef0efab1813122daf131ff23476f0fae76
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
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dev-5.8-intel
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This is the 5.8.17 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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[ Upstream commit f3d301c1f2f5676465cdf3259737ea19cc82731f ]
perf_event.h has macros that define the field offsets in the
data_src bitmask in perf records. The SNOOPX and REMOTE offsets
were both 37. These are distinct fields, and the bitfield layout
in perf_mem_data_src confirms that SNOOPX should be at offset 38.
Fixes: 52839e653b5629bd ("perf tools: Add support for printing new mem_info encodings")
Signed-off-by: Al Grant <al.grant@foss.arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Link: https://lkml.kernel.org/r/4ac9f5cc-4388-b34a-9999-418a4099415d@foss.arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 16270a92355722e387e9ca19627c5a4d7bae1354 ]
The current check will result in the multiple function device
fails to initialize. So fix the check by masking out the
multiple function bit.
Link: https://lore.kernel.org/r/20200818092746.24366-1-Zhiqiang.Hou@nxp.com
Fixes: 0b24134f7888 ("PCI: dwc: Add validation that PCIe core is set to correct mode")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1. Helpers for reading/writing PCS registers added.
2. PECI sensor configuration structure definition and helpers added.
3. New PECI PCS index and parameters definitions added.
Tested:
* on WilsonCity platform
* hwmon/peci modules work as before the change
Signed-off-by: Zbigniew Lukwinski <zbigniew.lukwinski@linux.intel.com>
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Currently, there is no proper MCTP networking subsystem in Linux.
Until we are able to work out the details of that, we are going to
expose HW to userspace using raw read/write interface.
Because of that, this driver is not intended to be submitted upstream.
Here we are providing a simple device driver for AST2600 MCTP
controller.
v2: Added workarounds for BMC reboot/reset, corrected endianess comment,
changed TX_BUF_ADDR to be consistent, fixed typos.
v3: Added workaround for RX hang, added swapping PCIe VDM header to
network order, corrected buffer allocation size.
v4: Fixed TX broken after sending 32 byte packet
Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
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This commit ports I3C related changes from Aspeed SDK v00.05.05.
It also includes Vitor's I3C cdev implementation which isn't
upstreamed yet so it should be refined later.
Signed-off-by: Ryan Chen <ryan_chen@aspeedtech.com>
Signed-off-by: Vitor Soares <soares@synopsys.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
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peci-cpupower reads CPU energy counter through peci
and computes average power in mW since last read.
Signed-off-by: ZhikuiRen <zhikui.ren@intel.com>
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JTAG class driver provide infrastructure to support hardware/software
JTAG platform drivers. It provide user layer API interface for flashing
and debugging external devices which equipped with JTAG interface
using standard transactions.
Driver exposes set of IOCTL to user space for:
- XFER:
SIR (Scan Instruction Register, IEEE 1149.1 Data Register scan);
SDR (Scan Data Register, IEEE 1149.1 Instruction Register scan);
- GIOCSTATUS read the current TAPC state of the JTAG controller
- SIOCSTATE Forces the JTAG TAPC to go into a particular state.
- SIOCFREQ/GIOCFREQ for setting and reading JTAG frequency.
- IOCBITBANG for low level control of JTAG signals.
Driver core provides set of internal APIs for allocation and
registration:
- jtag_register;
- jtag_unregister;
- jtag_alloc;
- jtag_free;
Platform driver on registration with jtag-core creates the next
entry in dev folder:
/dev/jtagX
Signed-off-by: Oleksandr Shamray <oleksandrs@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ernesto Corona <ernesto.corona@intel.com>
Acked-by: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Boris Brezillon <bbrezillon@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Johan Hovold <johan@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joel Stanley <joel@jms.id.au>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: William Breathitt Gray <vilhelm.gray@gmail.com>
Cc: Federico Vaga <federico.vaga@cern.ch>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Christian Gromm <christian.gromm@microchip.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Yiwei Zhang <zzyiwei@google.com>
Cc: Alessandro Rubini <rubini@gnudd.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Steven Filary <steven.a.filary@intel.com>
Cc: Vadim Pasternak <vadimp@mellanox.com>
Cc: Amithash Prasad <amithash@fb.com>
Cc: Patrick Williams <patrickw3@fb.com>
Cc: Rgrs <rgrs@protonmail.com>
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This commit adds mux hold/unhold message types to support extended
mux control for IPMB and MCTP devices. A hold or an unhold message
can be added at the end of I2C message stream wrapped by
repeated-start, also can be used as a single message independantly.
This mux hold/unhold message will be delivered throughout all mux
levels in the path. Means that if it goes to multi-level mux path,
all muxes will be held/unheld by this message.
1. Hold message
struct i2c_msg msg;
uint16_t timeout = 5000; // timeout in ms. 5 secs in this example.
msg.addr = 0x0; // any value can be used. addr will be ignored in this packet.
msg.flags = I2C_M_HOLD; // set this flag to indicate it's a hold message.
msg.len = sizeof(uint16_t); // timeout value will be delivered using two bytes buffer.
msg.buf = (uint8_t *)&timeout; // set timeout value.
2. Unhold message
struct i2c_msg msg;
uint16_t timeout = 0; // set 0 for an unhold message.
msg.addr = 0x0; // any value can be used. addr will be ignored in this packet.
msg.flags = I2C_M_HOLD; // set this flag to indicate it's an unhold message.
msg.len = sizeof(uint16_t); // timeout value will be delivered using two bytes buffer.
msg.buf = (uint8_t *)&timeout; // set timeout value.
This unhold message can be delivered to a mux adapter even when
a bus is locked so that any holding state can be unheld
immediately by invoking this unhold message.
This patch would not be welcomed from upstream so it should be kept
in downstream only.
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
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Update AST2500 JTAG driver. Remove Legacy driver but keep headers.
Signed-off-by: Corona, Ernesto <ernesto.corona@intel.com>
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Add lpc sio device driver for AST2500/2400
Signed-off-by: Yong Li <yong.b.li@intel.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
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This is the 5.8.12 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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[ Upstream commit 15e9e35cd1dec2bc138464de6bf8ef828df19235 ]
MIPS defines two kvm types:
#define KVM_VM_MIPS_TE 0
#define KVM_VM_MIPS_VZ 1
In Documentation/virt/kvm/api.rst it is said that "You probably want to
use 0 as machine type", which implies that type 0 be the "automatic" or
"default" type. And, in user-space libvirt use the null-machine (with
type 0) to detect the kvm capability, which returns "KVM not supported"
on a VZ platform.
I try to fix it in QEMU but it is ugly:
https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg05629.html
And Thomas Huth suggests me to change the definition of kvm type:
https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg03281.html
So I define like this:
#define KVM_VM_MIPS_AUTO 0
#define KVM_VM_MIPS_VZ 1
#define KVM_VM_MIPS_TE 2
Since VZ and TE cannot co-exists, using type 0 on a TE platform will
still return success (so old user-space tools have no problems on new
kernels); the advantage is that using type 0 on a VZ platform will not
return failure. So, the only problem is "new user-space tools use type
2 on old kernels", but if we treat this as a kernel bug, we can backport
this patch to old stable kernels.
Signed-off-by: Huacai Chen <chenhc@lemote.com>
Message-Id: <1599734031-28746-1-git-send-email-chenhc@lemote.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.8.8 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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[ Upstream commit da9125df854ea48a6240c66e8a67be06e2c12c03 ]
This should be NFTA_LIST_UNSPEC instead of NFTA_LIST_UNPEC, all other
similar attribute definitions are postfixed with _UNSPEC.
Fixes: 96518518cc41 ("netfilter: add nftables")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This is the 5.8.5 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
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commit 92fe2aa859f52ce6aa595ca97fec110dc7100e63 upstream.
The ND_CMD_CALL format allows for a general passthrough of passlisted
commands targeting a given command set. However there is no validation
of the family index relative to what the bus supports.
- Update the NFIT bus implementation (the only one that supports
ND_CMD_CALL passthrough) to also passlist the valid set of command
family indices.
- Update the generic __nd_ioctl() path to validate that field on behalf
of all implementations.
Fixes: 31eca76ba2fc ("nfit, libnvdimm: limited/whitelisted dimm command marshaling mechanism")
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Len Brown <lenb@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 137c541821a83debb63b3fa8abdd1cbc41bdf3a1 upstream.
With the recent addition of filesystem checksum types other than CRC32c,
it is not anymore hard-coded which checksum type a btrfs filesystem uses.
Up to now there is no good way to read the filesystem checksum, apart from
reading the filesystem UUID and then query sysfs for the checksum type.
Add a new csum_type and csum_size fields to the BTRFS_IOC_FS_INFO ioctl
command which usually is used to query filesystem features. Also add a
flags member indicating that the kernel responded with a set csum_type and
csum_size field.
For compatibility reasons, only return the csum_type and csum_size if
the BTRFS_FS_INFO_FLAG_CSUM_INFO flag was passed to the kernel. Also
clear any unknown flags so we don't pass false positives to user-space
newer than the kernel.
To simplify further additions to the ioctl, also switch the padding to a
u8 array. Pahole was used to verify the result of this switch:
The csum members are added before flags, which might look odd, but this
is to keep the alignment requirements and not to introduce holes in the
structure.
$ pahole -C btrfs_ioctl_fs_info_args fs/btrfs/btrfs.ko
struct btrfs_ioctl_fs_info_args {
__u64 max_id; /* 0 8 */
__u64 num_devices; /* 8 8 */
__u8 fsid[16]; /* 16 16 */
__u32 nodesize; /* 32 4 */
__u32 sectorsize; /* 36 4 */
__u32 clone_alignment; /* 40 4 */
__u16 csum_type; /* 44 2 */
__u16 csum_size; /* 46 2 */
__u64 flags; /* 48 8 */
__u8 reserved[968]; /* 56 968 */
/* size: 1024, cachelines: 16, members: 10 */
};
Fixes: 3951e7f050ac ("btrfs: add xxhash64 to checksumming algorithms")
Fixes: 3831bf0094ab ("btrfs: add sha256 to checksumming algorithm")
CC: stable@vger.kernel.org # 5.5+
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit e1613b5714ee6c186c9628e9958edf65e9d9cddd ]
Due to bpf tree fix merge, bpf_ringbuf_output() signature ended up with int as
a return type, while all other helpers got converted to returning long. So fix
it in bpf-next now.
Fixes: b0659d8a950d ("bpf: Fix definition of bpf_ringbuf_output() helper in UAPI comments")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20200727224715.652037-1-andriin@fb.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 47e33c05f9f07cac3de833e531bcac9ae052c7ca ]
When SECCOMP_IOCTL_NOTIF_ID_VALID was first introduced it had the wrong
direction flag set. While this isn't a big deal as nothing currently
enforces these bits in the kernel, it should be defined correctly. Fix
the define and provide support for the old command until it is no longer
needed for backward compatibility.
Fixes: 6a21cc50f0c7 ("seccomp: add a return code to trap to userspace")
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Users of the XDMA engine need a way to reset it if something goes wrong.
Problems on the host side, or user error, such as incorrect host
address, may result in the DMA operation never completing and no way to
determine what went wrong. Therefore, add an ioctl to reset the engine
so that users can recover in this situation.
OpenBMC-Staging-Count: 2
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The XDMA engine embedded in the AST2500 and AST2600 SOCs performs PCI
DMA operations between the SOC (acting as a BMC) and a host processor
in a server.
This commit adds a driver to control the XDMA engine and adds functions
to initialize the hardware and memory and start DMA operations.
OpenBMC-Staging-Count: 2
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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This commit adds driver implementation for PECI bus core into linux
driver framework.
PECI (Platform Environment Control Interface) is a one-wire bus interface
that provides a communication channel from Intel processors and chipset
components to external monitoring or control devices. PECI is designed to
support the following sideband functions:
* Processor and DRAM thermal management
- Processor fan speed control is managed by comparing Digital Thermal
Sensor (DTS) thermal readings acquired via PECI against the
processor-specific fan speed control reference point, or TCONTROL. Both
TCONTROL and DTS thermal readings are accessible via the processor PECI
client. These variables are referenced to a common temperature, the TCC
activation point, and are both defined as negative offsets from that
reference.
- PECI based access to the processor package configuration space provides
a means for Baseboard Management Controllers (BMC) or other platform
management devices to actively manage the processor and memory power
and thermal features.
* Platform Manageability
- Platform manageability functions including thermal, power, and error
monitoring. Note that platform 'power' management includes monitoring
and control for both the processor and DRAM subsystem to assist with
data center power limiting.
- PECI allows read access to certain error registers in the processor MSR
space and status monitoring registers in the PCI configuration space
within the processor and downstream devices.
- PECI permits writes to certain registers in the processor PCI
configuration space.
* Processor Interface Tuning and Diagnostics
- Processor interface tuning and diagnostics capabilities
(Intel Interconnect BIST). The processors Intel Interconnect Built In
Self Test (Intel IBIST) allows for infield diagnostic capabilities in
the Intel UPI and memory controller interfaces. PECI provides a port to
execute these diagnostics via its PCI Configuration read and write
capabilities.
* Failure Analysis
- Output the state of the processor after a failure for analysis via
Crashdump.
PECI uses a single wire for self-clocking and data transfer. The bus
requires no additional control lines. The physical layer is a self-clocked
one-wire bus that begins each bit with a driven, rising edge from an idle
level near zero volts. The duration of the signal driven high depends on
whether the bit value is a logic '0' or logic '1'. PECI also includes
variable data transfer rate established with every message. In this way, it
is highly flexible even though underlying logic is simple.
The interface design was optimized for interfacing between an Intel
processor and chipset components in both single processor and multiple
processor environments. The single wire interface provides low board
routing overhead for the multiple load connections in the congested routing
area near the processor and chipset components. Bus speed, error checking,
and low protocol overhead provides adequate link bandwidth and reliability
to transfer critical device operating conditions and configuration
information.
This implementation provides the basic framework to add PECI extensions to
the Linux bus and device models. A hardware specific 'Adapter' driver can
be attached to the PECI bus to provide sideband functions described above.
It is also possible to access all devices on an adapter from userspace
through the /dev interface. A device specific 'Client' driver also can be
attached to the PECI bus so each processor client's features can be
supported by the 'Client' driver through an adapter connection in the bus.
OpenBMC-Staging-Count: 3
Signed-off-by: Jason M Biils <jason.m.bills@linux.intel.com>
Signed-off-by: Yunge Zhu <yunge.zhu@linux.intel.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Reviewed-by: Haiyue Wang <haiyue.wang@linux.intel.com>
Reviewed-by: James Feist <james.feist@linux.intel.com>
Reviewed-by: Vernon Mauery <vernon.mauery@linux.intel.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into master
Pull char/misc fixes from Greg KH:
"Here are number of small char/misc driver fixes for 5.8-rc6
Not that many complex fixes here, just a number of small fixes for
reported issues, and some new device ids. Nothing fancy.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial
intel_th: Fix a NULL dereference when hub driver is not loaded
intel_th: pci: Add Emmitsburg PCH support
intel_th: pci: Add Tiger Lake PCH-H support
intel_th: pci: Add Jasper Lake CPU support
virt: vbox: Fix guest capabilities mask check
virt: vbox: Fix VBGL_IOCTL_VMMDEV_REQUEST_BIG and _LOG req numbers to match upstream
uio_pdrv_genirq: fix use without device tree and no interrupt
uio_pdrv_genirq: Remove warning when irq is not specified
coresight: etmv4: Fix CPU power management setup in probe() function
coresight: cti: Fix error handling in probe
Revert "zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()"
mei: bus: don't clean driver pointer
misc: atmel-ssc: lock with mutex instead of spinlock
phy: sun4i-usb: fix dereference of pointer phy0 before it is null checked
phy: rockchip: Fix return value of inno_dsidphy_probe()
phy: ti: j721e-wiz: Constify structs
phy: ti: am654-serdes: Constify regmap_config
phy: intel: fix enum type mismatch warning
phy: intel: Fix compilation error on FIELD_PREP usage
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine into master
Pull dmaengine fixes from Vinod Koul:
- update dmaengine tree location to kernel.org
- dmatest fix for completing threads
- driver fixes for k3dma, fsl-dma, idxd, ,tegra, and few other drivers
* tag 'dmaengine-fix-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (21 commits)
dmaengine: ioat setting ioat timeout as module parameter
dmaengine: fsl-edma: fix wrong tcd endianness for big-endian cpu
dmaengine: dmatest: stop completed threads when running without set channel
dmaengine: fsl-edma-common: correct DSIZE_32BYTE
dmaengine: dw: Initialize channel before each transfer
dmaengine: idxd: fix misc interrupt handler thread unmasking
dmaengine: idxd: cleanup workqueue config after disabling
dmaengine: tegra210-adma: Fix runtime PM imbalance on error
dmaengine: mcf-edma: Fix NULL pointer exception in mcf_edma_tx_handler
dmaengine: fsl-edma: Fix NULL pointer exception in fsl_edma_tx_handler
dmaengine: fsl-edma: Add lockdep assert for exported function
dmaengine: idxd: fix hw descriptor fields for delta record
dmaengine: ti: k3-udma: add missing put_device() call in of_xudma_dev_get()
dmaengine: sh: usb-dmac: set tx_result parameters
dmaengine: ti: k3-udma: Fix delayed_work usage for tx drain workaround
dmaengine: idxd: fix cdev locking for open and release
dmaengine: imx-sdma: Fix: Remove 'always true' comparison
MAINTAINERS: switch dmaengine tree to kernel.org
dmaengine: ti: k3-udma: Fix the running channel handling in alloc_chan_resources
dmaengine: ti: k3-udma: Fix cleanup code for alloc_chan_resources
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A few quirks for the Elan touchpad driver, another Thinkpad is being
switched over from PS/2 to native RMI4 interface, and we gave a brand
new SW_MACHINE_COVER switch definition"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: elan_i2c - add more hardware ID for Lenovo laptops
Input: i8042 - add Lenovo XiaoXin Air 12 to i8042 nomux list
Revert "Input: elants_i2c - report resolution information for touch major"
Input: elan_i2c - only increment wakeup count on touch
Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen
ARM: dts: n900: remove mmc1 card detect gpio
Input: add `SW_MACHINE_COVER`
|
|
Pull networking fixes from David Miller:
1) Restore previous behavior of CAP_SYS_ADMIN wrt loading networking
BPF programs, from Maciej Żenczykowski.
2) Fix dropped broadcasts in mac80211 code, from Seevalamuthu
Mariappan.
3) Slay memory leak in nl80211 bss color attribute parsing code, from
Luca Coelho.
4) Get route from skb properly in ip_route_use_hint(), from Miaohe Lin.
5) Don't allow anything other than ARPHRD_ETHER in llc code, from Eric
Dumazet.
6) xsk code dips too deeply into DMA mapping implementation internals.
Add dma_need_sync and use it. From Christoph Hellwig
7) Enforce power-of-2 for BPF ringbuf sizes. From Andrii Nakryiko.
8) Check for disallowed attributes when loading flow dissector BPF
programs. From Lorenz Bauer.
9) Correct packet injection to L3 tunnel devices via AF_PACKET, from
Jason A. Donenfeld.
10) Don't advertise checksum offload on ipa devices that don't support
it. From Alex Elder.
11) Resolve several issues in TCP MD5 signature support. Missing memory
barriers, bogus options emitted when using syncookies, and failure
to allow md5 key changes in established states. All from Eric
Dumazet.
12) Fix interface leak in hsr code, from Taehee Yoo.
13) VF reset fixes in hns3 driver, from Huazhong Tan.
14) Make loopback work again with ipv6 anycast, from David Ahern.
15) Fix TX starvation under high load in fec driver, from Tobias
Waldekranz.
16) MLD2 payload lengths not checked properly in bridge multicast code,
from Linus Lüssing.
17) Packet scheduler code that wants to find the inner protocol
currently only works for one level of VLAN encapsulation. Allow
Q-in-Q situations to work properly here, from Toke
Høiland-Jørgensen.
18) Fix route leak in l2tp, from Xin Long.
19) Resolve conflict between the sk->sk_user_data usage of bpf reuseport
support and various protocols. From Martin KaFai Lau.
20) Fix socket cgroup v2 reference counting in some situations, from
Cong Wang.
21) Cure memory leak in mlx5 connection tracking offload support, from
Eli Britstein.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
mlxsw: pci: Fix use-after-free in case of failed devlink reload
mlxsw: spectrum_router: Remove inappropriate usage of WARN_ON()
net: macb: fix call to pm_runtime in the suspend/resume functions
net: macb: fix macb_suspend() by removing call to netif_carrier_off()
net: macb: fix macb_get/set_wol() when moving to phylink
net: macb: mark device wake capable when "magic-packet" property present
net: macb: fix wakeup test in runtime suspend/resume routines
bnxt_en: fix NULL dereference in case SR-IOV configuration fails
libbpf: Fix libbpf hashmap on (I)LP32 architectures
net/mlx5e: CT: Fix memory leak in cleanup
net/mlx5e: Fix port buffers cell size value
net/mlx5e: Fix 50G per lane indication
net/mlx5e: Fix CPU mapping after function reload to avoid aRFS RX crash
net/mlx5e: Fix VXLAN configuration restore after function reload
net/mlx5e: Fix usage of rcu-protected pointer
net/mxl5e: Verify that rpriv is not NULL
net/mlx5: E-Switch, Fix vlan or qos setting in legacy mode
net/mlx5: Fix eeprom support for SFP module
cgroup: Fix sock_cgroup_data on big-endian.
selftests: bpf: Fix detach from sockmap tests
...
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Pull io_uring fixes from Jens Axboe:
- Fix memleak for error path in registered files (Yang)
- Export CQ overflow state in flags, necessary to fix a case where
liburing doesn't know if it needs to enter the kernel (Xiaoguang)
- Fix for a regression in when user memory is accounted freed, causing
issues with back-to-back ring exit + init if the ulimit -l setting is
very tight.
* tag 'io_uring-5.8-2020-07-10' of git://git.kernel.dk/linux-block:
io_uring: account user memory freed when exit has been queued
io_uring: fix memleak in io_sqe_files_register()
io_uring: fix memleak in __io_sqe_files_update()
io_uring: export cq overflow status to userspace
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upstream
Until this commit the mainline kernel version (this version) of the
vboxguest module contained a bug where it defined
VBGL_IOCTL_VMMDEV_REQUEST_BIG and VBGL_IOCTL_LOG using
_IOC(_IOC_READ | _IOC_WRITE, 'V', ...) instead of
_IO(V, ...) as the out of tree VirtualBox upstream version does.
Since the VirtualBox userspace bits are always built against VirtualBox
upstream's headers, this means that so far the mainline kernel version
of the vboxguest module has been failing these 2 ioctls with -ENOTTY.
I guess that VBGL_IOCTL_VMMDEV_REQUEST_BIG is never used causing us to
not hit that one and sofar the vboxguest driver has failed to actually
log any log messages passed it through VBGL_IOCTL_LOG.
This commit changes the VBGL_IOCTL_VMMDEV_REQUEST_BIG and VBGL_IOCTL_LOG
defines to match the out of tree VirtualBox upstream vboxguest version,
while keeping compatibility with the old wrong request defines so as
to not break the kernel ABI in case someone has been using the old
request defines.
Fixes: f6ddd094f579 ("virt: Add vboxguest driver for Virtual Box Guest integration UAPI")
Cc: stable@vger.kernel.org
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200709120858.63928-2-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For those applications which are not willing to use io_uring_enter()
to reap and handle cqes, they may completely rely on liburing's
io_uring_peek_cqe(), but if cq ring has overflowed, currently because
io_uring_peek_cqe() is not aware of this overflow, it won't enter
kernel to flush cqes, below test program can reveal this bug:
static void test_cq_overflow(struct io_uring *ring)
{
struct io_uring_cqe *cqe;
struct io_uring_sqe *sqe;
int issued = 0;
int ret = 0;
do {
sqe = io_uring_get_sqe(ring);
if (!sqe) {
fprintf(stderr, "get sqe failed\n");
break;;
}
ret = io_uring_submit(ring);
if (ret <= 0) {
if (ret != -EBUSY)
fprintf(stderr, "sqe submit failed: %d\n", ret);
break;
}
issued++;
} while (ret > 0);
assert(ret == -EBUSY);
printf("issued requests: %d\n", issued);
while (issued) {
ret = io_uring_peek_cqe(ring, &cqe);
if (ret) {
if (ret != -EAGAIN) {
fprintf(stderr, "peek completion failed: %s\n",
strerror(ret));
break;
}
printf("left requets: %d\n", issued);
continue;
}
io_uring_cqe_seen(ring, cqe);
issued--;
printf("left requets: %d\n", issued);
}
}
int main(int argc, char *argv[])
{
int ret;
struct io_uring ring;
ret = io_uring_queue_init(16, &ring, 0);
if (ret) {
fprintf(stderr, "ring setup failed: %d\n", ret);
return 1;
}
test_cq_overflow(&ring);
return 0;
}
To fix this issue, export cq overflow status to userspace by adding new
IORING_SQ_CQ_OVERFLOW flag, then helper functions() in liburing, such as
io_uring_peek_cqe, can be aware of this cq overflow and do flush accordingly.
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Daniel Borkmann says:
====================
pull-request: bpf 2020-06-30
The following pull-request contains BPF updates for your *net* tree.
We've added 28 non-merge commits during the last 9 day(s) which contain
a total of 35 files changed, 486 insertions(+), 232 deletions(-).
The main changes are:
1) Fix an incorrect verifier branch elimination for PTR_TO_BTF_ID pointer
types, from Yonghong Song.
2) Fix UAPI for sockmap and flow_dissector progs that were ignoring various
arguments passed to BPF_PROG_{ATTACH,DETACH}, from Lorenz Bauer & Jakub Sitnicki.
3) Fix broken AF_XDP DMA hacks that are poking into dma-direct and swiotlb
internals and integrate it properly into DMA core, from Christoph Hellwig.
4) Fix RCU splat from recent changes to avoid skipping ingress policy when
kTLS is enabled, from John Fastabend.
5) Fix BPF ringbuf map to enforce size to be the power of 2 in order for its
position masking to work, from Andrii Nakryiko.
6) Fix regression from CAP_BPF work to re-allow CAP_SYS_ADMIN for loading
of network programs, from Maciej Żenczykowski.
7) Fix libbpf section name prefix for devmap progs, from Jesper Dangaard Brouer.
8) Fix formatting in UAPI documentation for BPF helpers, from Quentin Monnet.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This event code represents the state of a removable cover of a device.
Value 0 means that the cover is open or removed, value 1 means that the
cover is closed.
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Merlijn Wajer <merlijn@wizzup.org>
Link: https://lore.kernel.org/r/20200612125402.18393-2-merlijn@wizzup.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull VFIO fixes from Alex Williamson:
- Fix double free of eventfd ctx (Alex Williamson)
- Fix duplicate use of capability ID (Alex Williamson)
- Fix SR-IOV VF memory enable handling (Alex Williamson)
* tag 'vfio-v5.8-rc3' of git://github.com/awilliam/linux-vfio:
vfio/pci: Fix SR-IOV VF handling with MMIO blocking
vfio/type1: Fix migration info capability ID
vfio/pci: Clear error and request eventfd ctx after releasing
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Pull drm fixes from Dave Airlie:
"Usual rc3 pickup, lots of little fixes all over.
The core VT registration regression fix is probably the largest,
otherwise ttm, amdgpu and tegra are the bulk, with some minor driver
fixes.
No i915 pull this week which may or may not mean I get 2x of it next
week, we'll see how it goes.
core:
- fix VT registration regression
ttm:
- fix two fence leaks
amdgpu:
- Fix missed mutex unlock in DC error path
- Fix firmware leak for sdma5
- DC bpc property fixes
amdkfd:
- Fix memleak in an error path
radeon:
- Fix copy paste typo in NI DPM spll validation
rcar-du:
- build fix
tegra:
- add missing zpos property
- child driver registeration fix
- debugfs cleanup fix
- doc fix
mcde:
- reorder fbdev setup
panel:
- fix connector type
- fix orienation for some panels
sun4i:
- fix dma/iommu configuration
uvesafb:
- respect blank flag"
* tag 'drm-fixes-2020-06-26' of git://anongit.freedesktop.org/drm/drm: (25 commits)
drm/amd: fix potential memleak in err branch
drm/amd/display: Fix ineffective setting of max bpc property
drm/amd/display: Enable output_bpc property on all outputs
drm/amdgpu: add fw release for sdma v5_0
drm/fb-helper: Fix vt restore
drm/radeon: fix fb_div check in ni_init_smc_spll_table()
drm/amdgpu/display: Unlock mutex on error
drm/sun4i: mixer: Call of_dma_configure if there's an IOMMU
drm: panel-orientation-quirks: Use generic orientation-data for Acer S1003
drm: panel-orientation-quirks: Add quirk for Asus T101HA panel
video: fbdev: uvesafb: fix "noblank" option handling
drm/panel-simple: fix connector type for newhaven_nhd_43_480272ef_atxl
drm/panel-simple: fix connector type for LogicPD Type28 Display
drm: rcar-du: Fix build error
drm: mcde: Fix forgotten user of drm->dev_private
drm: mcde: Fix display initialization problem
drm/tegra: Add zpos property for cursor planes
gpu: host1x: Detach driver on unregister
gpu: host1x: Correct trivial kernel-doc inconsistencies
drm/tegra: hub: Register child devices
...
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|
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull (less than what git shortlog provides):
* In mcde, set up fbdev after device registration and removde the last access
to dev->dev_private. Fixes an error message and a segmentation fault.
* Set the connector type for LogicPT Type 28 and newhaven_nhd_43_480272ef_atxl
panels.
* In uvesafb, fix the handling of the noblank option.
* Fix panel orientation for Asus T101HA and Acer S1003.
* Fix DMA configuration for sun4i if IOMMU is present.
* Fix regression in VT restoration. Unbreaks userspace (i.e., Xorg) VT handling.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200625082717.GA14856@linux-uq9g
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Pull networking fixes from David Miller:
1) Don't insert ESP trailer twice in IPSEC code, from Huy Nguyen.
2) The default crypto algorithm selection in Kconfig for IPSEC is out
of touch with modern reality, fix this up. From Eric Biggers.
3) bpftool is missing an entry for BPF_MAP_TYPE_RINGBUF, from Andrii
Nakryiko.
4) Missing init of ->frame_sz in xdp_convert_zc_to_xdp_frame(), from
Hangbin Liu.
5) Adjust packet alignment handling in ax88179_178a driver to match
what the hardware actually does. From Jeremy Kerr.
6) register_netdevice can leak in the case one of the notifiers fail,
from Yang Yingliang.
7) Use after free in ip_tunnel_lookup(), from Taehee Yoo.
8) VLAN checks in sja1105 DSA driver need adjustments, from Vladimir
Oltean.
9) tg3 driver can sleep forever when we get enough EEH errors, fix from
David Christensen.
10) Missing {READ,WRITE}_ONCE() annotations in various Intel ethernet
drivers, from Ciara Loftus.
11) Fix scanning loop break condition in of_mdiobus_register(), from
Florian Fainelli.
12) MTU limit is incorrect in ibmveth driver, from Thomas Falcon.
13) Endianness fix in mlxsw, from Ido Schimmel.
14) Use after free in smsc95xx usbnet driver, from Tuomas Tynkkynen.
15) Missing bridge mrp configuration validation, from Horatiu Vultur.
16) Fix circular netns references in wireguard, from Jason A. Donenfeld.
17) PTP initialization on recovery is not done properly in qed driver,
from Alexander Lobakin.
18) Endian conversion of L4 ports in filters of cxgb4 driver is wrong,
from Rahul Lakkireddy.
19) Don't clear bound device TX queue of socket prematurely otherwise we
get problems with ktls hw offloading, from Tariq Toukan.
20) ipset can do atomics on unaligned memory, fix from Russell King.
21) Align ethernet addresses properly in bridging code, from Thomas
Martitz.
22) Don't advertise ipv4 addresses on SCTP sockets having ipv6only set,
from Marcelo Ricardo Leitner.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (149 commits)
rds: transport module should be auto loaded when transport is set
sch_cake: fix a few style nits
sch_cake: don't call diffserv parsing code when it is not needed
sch_cake: don't try to reallocate or unshare skb unconditionally
ethtool: fix error handling in linkstate_prepare_data()
wil6210: account for napi_gro_receive never returning GRO_DROP
hns: do not cast return value of napi_gro_receive to null
socionext: account for napi_gro_receive never returning GRO_DROP
wireguard: receive: account for napi_gro_receive never returning GRO_DROP
vxlan: fix last fdb index during dump of fdb with nhid
sctp: Don't advertise IPv4 addresses if ipv6only is set on the socket
tc-testing: avoid action cookies with odd length.
bpf: tcp: bpf_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT
tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT
net: dsa: sja1105: fix tc-gate schedule with single element
net: dsa: sja1105: recalculate gating subschedule after deleting tc-gate rules
net: dsa: sja1105: unconditionally free old gating config
net: dsa: sja1105: move sja1105_compose_gating_subschedule at the top
net: macb: free resources on failure path of at91ether_open()
net: macb: call pm_runtime_put_sync on failure path
...
|
|
This enhancement auto loads transport module when the transport
is set via SO_RDS_TRANSPORT socket option.
Reviewed-by: Ka-Cheong Poon <ka-cheong.poon@oracle.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Rao Shoaib <rao.shoaib@oracle.com>
Signed-off-by: Somasundaram Krishnasamy <somasundaram.krishnasamy@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
In the past we had a pile of hacks to orchestrate access between fbdev
emulation and native kms clients. We've tried to streamline this, by
always preferring the kms side above fbdev calls when a drm master
exists, because drm master controls access to the display resources.
Unfortunately this breaks existing userspace, specifically Xorg. When
exiting Xorg first restores the console to text mode using the KDSET
ioctl on the vt. This does nothing, because a drm master is still
around. Then it drops the drm master status, which again does nothing,
because logind is keeping additional drm fd open to be able to
orchestrate vt switches. In the past this is the point where fbdev was
restored, as part of the ->lastclose hook on the drm side.
Now to fix this regression we don't want to go back to letting fbdev
restore things whenever it feels like, or to the pile of hacks we've
had before. Instead try and go with a minimal exception to make the
KDSET case work again, and nothing else.
This means that if userspace does a KDSET call when switching between
graphical compositors, there will be some flickering with fbcon
showing up for a bit. But a) that's not a regression and b) userspace
can fix it by improving the vt switching dance - logind should have
all the information it needs.
While pondering all this I'm also wondering wheter we should have a
SWITCH_MASTER ioctl to allow race-free master status handover. But
that's for another day.
v2: Somehow forgot to cc all the fbdev people.
v3: Fix typo Alex spotted.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=208179
Cc: shlomo@fastmail.com
Reported-and-Tested-by: shlomo@fastmail.com
Cc: Michel Dänzer <michel@daenzer.net>
Fixes: 64914da24ea9 ("drm/fbdev-helper: don't force restores")
Cc: Noralf Trønnes <noralf@tronnes.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: <stable@vger.kernel.org> # v5.7+
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Cc: Qiujun Huang <hqjagain@gmail.com>
Cc: Peter Rosin <peda@axentia.se>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200624092910.3280448-1-daniel.vetter@ffwll.ch
|
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Fix the hw descriptor fields for delta record in user exported idxd.h
header. Missing the "expected result mask" field.
Reported-by: Mona Hossain <mona.hossain@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/159120526866.65385.536565786678052944.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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When producing the bpf-helpers.7 man page from the documentation from
the BPF user space header file, rst2man complains:
<stdin>:2636: (ERROR/3) Unexpected indentation.
<stdin>:2640: (WARNING/2) Block quote ends without a blank line; unexpected unindent.
Let's fix formatting for the relevant chunk (item list in
bpf_ringbuf_query()'s description), and for a couple other functions.
Signed-off-by: Quentin Monnet <quentin@isovalent.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/20200623153935.6215-1-quentin@isovalent.com
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Currently the MRP_PORT_ROLE_NONE has the value 0x2 but this is in conflict
with the IEC 62439-2 standard. The standard defines the following port
roles: primary (0x0), secondary(0x1), interconnect(0x2).
Therefore remove the port role none.
Fixes: 4714d13791f831 ("bridge: uapi: mrp: Add mrp attributes.")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"Quite a lot of fixes here for no single reason.
There's a collection of the usual sort of device specific fixes and
also a bunch of people have been working on spidev and the userspace
test program spidev_test so they've got an unusually large collection
of small fixes"
* tag 'spi-fix-v5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spidev: fix a potential use-after-free in spidev_release()
spi: spidev: fix a race between spidev_release and spidev_remove
spi: stm32-qspi: Fix error path in case of -EPROBE_DEFER
spi: uapi: spidev: Use TABs for alignment
spi: spi-fsl-dspi: Free DMA memory with matching function
spi: tools: Add macro definitions to fix build errors
spi: tools: Make default_tx/rx and input_tx static
spi: dt-bindings: amlogic, meson-gx-spicc: Fix schema for meson-g12a
spi: rspi: Use requested instead of maximum bit rate
spi: spidev_test: Use %u to format unsigned numbers
spi: sprd: switch the sequence of setting WDG_LOAD_LOW and _HIGH
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
"A feature (papr_scm health retrieval) and a fix (sysfs attribute
visibility) for v5.8.
Vaibhav explains in the merge commit below why missing v5.8 would be
painful and I agreed to try a -rc2 pull because only cosmetics kept
this out of -rc1 and his initial versions were posted in more than
enough time for v5.8 consideration:
'These patches are tied to specific features that were committed to
customers in upcoming distros releases (RHEL and SLES) whose
time-lines are tied to 5.8 kernel release.
Being able to track the health of an nvdimm is critical for our
customers that are running workloads leveraging papr-scm nvdimms.
Missing the 5.8 kernel would mean missing the distro timelines and
shifting forward the availability of this feature in distro kernels
by at least 6 months'
Summary:
- Fix the visibility of the region 'align' attribute.
The new unit tests for region alignment handling caught a corner
case where the alignment cannot be specified if the region is
converted from static to dynamic provisioning at runtime.
- Add support for device health retrieval for the persistent memory
supported by the papr_scm driver.
This includes both the standard sysfs "health flags" that the nfit
persistent memory driver publishes and a mechanism for the ndctl
tool to retrieve a health-command payload"
* tag 'libnvdimm-for-5.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm/region: always show the 'align' attribute
powerpc/papr_scm: Implement support for PAPR_PDSM_HEALTH
ndctl/papr_scm,uapi: Add support for PAPR nvdimm specific methods
powerpc/papr_scm: Improve error logging and handling papr_scm_ndctl()
powerpc/papr_scm: Fetch nvdimm health information from PHYP
seq_buf: Export seq_buf_printf
powerpc: Document details on H_SCM_HEALTH hcall
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ID 1 is already used by the IOVA range capability, use ID 2.
Reported-by: Liu Yi L <yi.l.liu@intel.com>
Fixes: ad721705d09c ("vfio iommu: Add migration capability to report supported features")
Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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