mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-13 07:31:07 +00:00
1,267,977 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Karol Wachowski
|
3bcc5209ba |
accel/ivpu: Make DMA allocations for MMU600 write combined
Previously using dma_alloc_wc() API we created cache coherent (mapped as write-back) mappings. Because we disable MMU600 snooping it was required to do costly page walk and cache flushes after each page table modification. With write-combined buffers it's possible to do a single write memory barrier to flush write-combined buffer to memory which simplifies the driver and significantly reduce time of map/unmap operations. Mapping time of 255 MB is reduced from 2.5 ms to 500 us. Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-7-stanislaw.gruszka@linux.intel.com |
||
|
Karol Wachowski
|
e013aa9ab0 |
accel/ivpu: Print CMDQ errors after consumer timeout
Add checking of error reason bits in IVPU_MMU_CMDQ_CONS register when waiting for consumer timeout occurred. Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-6-stanislaw.gruszka@linux.intel.com |
||
Arnaldo Carvalho de Melo
|
1715b6359c |
perf beauty socket/prctl_option: Cope with extended regexp complaint by grep
Noticed on fedora 38, the extended regexp that so far was ok for both grep and sed now gets complaints by grep, that says '/' doesn't need to be escaped with '\'. So stop using '/' in sed, use '%' instead and remove the \ before / in the common extended regexp. Link: https://x.com/SMT_Solvers/status/1710380010098344192?s=20 Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/lkml/ZUEddFPTJHVLhH%2F6@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Stanislaw Gruszka
|
ba6b035daa |
accel/ivpu: Abort pending rx ipc on reset
Waking up process, which wait for particular condition, will go to sleep again on wake_up() if the condition is not met. Add abort flag to wake up IPC receivers, which will finish with -ECANCELED error. This is only needed for reset, run time power management prevent to suspend VPU when there is pending IPC processing or pending job. Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-5-stanislaw.gruszka@linux.intel.com |
||
|
Stanislaw Gruszka
|
57c7e3e480 |
accel/ivpu: Stop job_done_thread on suspend
Stop job_done thread when going to suspend. Use kthread_park() instead of kthread_stop() to avoid memory allocation and potential failure on resume. Use separate function as thread wake up condition. Use spin lock to assure rx_msg_list is properly protected against concurrent access. This avoid race condition when the rx_msg_list list is modified and read in ivpu_ipc_recive() at the same time. Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-4-stanislaw.gruszka@linux.intel.com |
||
Linus Torvalds
|
89ed67ef12 |
Networking changes for 6.7.
Core & protocols
----------------
- Support usec resolution of TCP timestamps, enabled selectively by
a route attribute.
- Defer regular TCP ACK while processing socket backlog, try to send
a cumulative ACK at the end. Increase single TCP flow performance
on a 200Gbit NIC by 20% (100Gbit -> 120Gbit).
- The Fair Queuing (FQ) packet scheduler:
- add built-in 3 band prio / WRR scheduling
- support bypass if the qdisc is mostly idle (5% speed up for TCP RR)
- improve inactive flow reporting
- optimize the layout of structures for better cache locality
- Support TCP Authentication Option (RFC 5925, TCP-AO), a more modern
replacement for the old MD5 option.
- Add more retransmission timeout (RTO) related statistics to TCP_INFO.
- Support sending fragmented skbs over vsock sockets.
- Make sure we send SIGPIPE for vsock sockets if socket was shutdown().
- Add sysctl for ignoring lower limit on lifetime in Router
Advertisement PIO, based on an in-progress IETF draft.
- Add sysctl to control activation of TCP ping-pong mode.
- Add sysctl to make connection timeout in MPTCP configurable.
- Support rcvlowat and notsent_lowat on MPTCP sockets, to help apps
limit the number of wakeups.
- Support netlink GET for MDB (multicast forwarding), allowing user
space to request a single MDB entry instead of dumping the entire
table.
- Support selective FDB flushing in the VXLAN tunnel driver.
- Allow limiting learned FDB entries in bridges, prevent OOM attacks.
- Allow controlling via configfs netconsole targets which were created
via the kernel cmdline at boot, rather than via configfs at runtime.
- Support multiple PTP timestamp event queue readers with different
filters.
- MCTP over I3C.
BPF
---
- Add new veth-like netdevice where BPF program defines the logic
of the xmit routine. It can operate in L3 and L2 mode.
- Support exceptions - allow asserting conditions which should
never be true but are hard for the verifier to infer.
With some extra flexibility around handling of the exit / failure.
https://lwn.net/Articles/938435/
- Add support for local per-cpu kptr, allow allocating and storing
per-cpu objects in maps. Access to those objects operates on
the value for the current CPU. This allows to deprecate local
one-off implementations of per-CPU storage like
BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE maps.
- Extend cgroup BPF sockaddr hooks for UNIX sockets. The use case is
for systemd to re-implement the LogNamespace feature which allows
running multiple instances of systemd-journald to process the logs
of different services.
- Enable open-coded task_vma iteration, after maple tree conversion
made it hard to directly walk VMAs in tracing programs.
- Add open-coded task, css_task and css iterator support.
One of the use cases is customizable OOM victim selection via BPF.
- Allow source address selection with bpf_*_fib_lookup().
- Add ability to pin BPF timer to the current CPU.
- Prevent creation of infinite loops by combining tail calls and
fentry/fexit programs.
- Add missed stats for kprobes to retrieve the number of missed kprobe
executions and subsequent executions of BPF programs.
- Inherit system settings for CPU security mitigations.
- Add BPF v4 CPU instruction support for arm32 and s390x.
Changes to common code
----------------------
- overflow: add DEFINE_FLEX() for on-stack definition of structs
with flexible array members.
- Process doc update with more guidance for reviewers.
Driver API
----------
- Simplify locking in WiFi (cfg80211 and mac80211 layers), use wiphy
mutex in most places and remove a lot of smaller locks.
- Create a common DPLL configuration API. Allow configuring
and querying state of PLL circuits used for clock syntonization,
in network time distribution.
- Unify fragmented and full page allocation APIs in page pool code.
Let drivers be ignorant of PAGE_SIZE.
- Rework PHY state machine to avoid races with calls to phy_stop().
- Notify DSA drivers of MAC address changes on user ports, improve
correctness of offloads which depend on matching port MAC addresses.
- Allow antenna control on injected WiFi frames.
- Reduce the number of variants of napi_schedule().
- Simplify error handling when composing devlink health messages.
Misc
----
- A lot of KCSAN data race "fixes", from Eric.
- A lot of __counted_by() annotations, from Kees.
- A lot of strncpy -> strscpy and printf format fixes.
- Replace master/slave terminology with conduit/user in DSA drivers.
- Handful of KUnit tests for netdev and WiFi core.
Removed
-------
- AppleTalk COPS.
- AppleTalk ipddp.
- TI AR7 CPMAC Ethernet driver.
Drivers
-------
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- add a driver for the Intel E2000 IPUs
- make CRC/FCS stripping configurable
- cross-timestamping for E823 devices
- basic support for E830 devices
- use aux-bus for managing client drivers
- i40e: report firmware versions via devlink
- nVidia/Mellanox:
- support 4-port NICs
- increase max number of channels to 256
- optimize / parallelize SF creation flow
- Broadcom (bnxt):
- enhance NIC temperature reporting
- support PAM4 speeds and lane configuration
- Marvell OcteonTX2:
- PTP pulse-per-second output support
- enable hardware timestamping for VFs
- Solarflare/AMD:
- conntrack NAT offload and offload for tunnels
- Wangxun (ngbe/txgbe):
- expose HW statistics
- Pensando/AMD:
- support PCI level reset
- narrow down the condition under which skbs are linearized
- Netronome/Corigine (nfp):
- support CHACHA20-POLY1305 crypto in IPsec offload
- Ethernet NICs embedded, slower, virtual:
- Synopsys (stmmac):
- add Loongson-1 SoC support
- enable use of HW queues with no offload capabilities
- enable PPS input support on all 5 channels
- increase TX coalesce timer to 5ms
- RealTek USB (r8152): improve efficiency of Rx by using GRO frags
- xen: support SW packet timestamping
- add drivers for implementations based on TI's PRUSS (AM64x EVM)
- nVidia/Mellanox Ethernet datacenter switches:
- avoid poor HW resource use on Spectrum-4 by better block selection
for IPv6 multicast forwarding and ordering of blocks in ACL region
- Ethernet embedded switches:
- Microchip:
- support configuring the drive strength for EMI compliance
- ksz9477: partial ACL support
- ksz9477: HSR offload
- ksz9477: Wake on LAN
- Realtek:
- rtl8366rb: respect device tree config of the CPU port
- Ethernet PHYs:
- support Broadcom BCM5221 PHYs
- TI dp83867: support hardware LED blinking
- CAN:
- add support for Linux-PHY based CAN transceivers
- at91_can: clean up and use rx-offload helpers
- WiFi:
- MediaTek (mt76):
- new sub-driver for mt7925 USB/PCIe devices
- HW wireless <> Ethernet bridging in MT7988 chips
- mt7603/mt7628 stability improvements
- Qualcomm (ath12k):
- WCN7850:
- enable 320 MHz channels in 6 GHz band
- hardware rfkill support
- enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS
to make scan faster
- read board data variant name from SMBIOS
- QCN9274: mesh support
- RealTek (rtw89):
- TDMA-based multi-channel concurrency (MCC)
- Silicon Labs (wfx):
- Remain-On-Channel (ROC) support
- Bluetooth:
- ISO: many improvements for broadcast support
- mark BCM4378/BCM4387 as BROKEN_LE_CODED
- add support for QCA2066
- btmtksdio: enable Bluetooth wakeup from suspend
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support usec resolution of TCP timestamps, enabled selectively by a
route attribute.
- Defer regular TCP ACK while processing socket backlog, try to send
a cumulative ACK at the end. Increase single TCP flow performance
on a 200Gbit NIC by 20% (100Gbit -> 120Gbit).
- The Fair Queuing (FQ) packet scheduler:
- add built-in 3 band prio / WRR scheduling
- support bypass if the qdisc is mostly idle (5% speed up for TCP RR)
- improve inactive flow reporting
- optimize the layout of structures for better cache locality
- Support TCP Authentication Option (RFC 5925, TCP-AO), a more modern
replacement for the old MD5 option.
- Add more retransmission timeout (RTO) related statistics to
TCP_INFO.
- Support sending fragmented skbs over vsock sockets.
- Make sure we send SIGPIPE for vsock sockets if socket was
shutdown().
- Add sysctl for ignoring lower limit on lifetime in Router
Advertisement PIO, based on an in-progress IETF draft.
- Add sysctl to control activation of TCP ping-pong mode.
- Add sysctl to make connection timeout in MPTCP configurable.
- Support rcvlowat and notsent_lowat on MPTCP sockets, to help apps
limit the number of wakeups.
- Support netlink GET for MDB (multicast forwarding), allowing user
space to request a single MDB entry instead of dumping the entire
table.
- Support selective FDB flushing in the VXLAN tunnel driver.
- Allow limiting learned FDB entries in bridges, prevent OOM attacks.
- Allow controlling via configfs netconsole targets which were
created via the kernel cmdline at boot, rather than via configfs at
runtime.
- Support multiple PTP timestamp event queue readers with different
filters.
- MCTP over I3C.
BPF:
- Add new veth-like netdevice where BPF program defines the logic of
the xmit routine. It can operate in L3 and L2 mode.
- Support exceptions - allow asserting conditions which should never
be true but are hard for the verifier to infer. With some extra
flexibility around handling of the exit / failure:
https://lwn.net/Articles/938435/
- Add support for local per-cpu kptr, allow allocating and storing
per-cpu objects in maps. Access to those objects operates on the
value for the current CPU.
This allows to deprecate local one-off implementations of per-CPU
storage like BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE maps.
- Extend cgroup BPF sockaddr hooks for UNIX sockets. The use case is
for systemd to re-implement the LogNamespace feature which allows
running multiple instances of systemd-journald to process the logs
of different services.
- Enable open-coded task_vma iteration, after maple tree conversion
made it hard to directly walk VMAs in tracing programs.
- Add open-coded task, css_task and css iterator support. One of the
use cases is customizable OOM victim selection via BPF.
- Allow source address selection with bpf_*_fib_lookup().
- Add ability to pin BPF timer to the current CPU.
- Prevent creation of infinite loops by combining tail calls and
fentry/fexit programs.
- Add missed stats for kprobes to retrieve the number of missed
kprobe executions and subsequent executions of BPF programs.
- Inherit system settings for CPU security mitigations.
- Add BPF v4 CPU instruction support for arm32 and s390x.
Changes to common code:
- overflow: add DEFINE_FLEX() for on-stack definition of structs with
flexible array members.
- Process doc update with more guidance for reviewers.
Driver API:
- Simplify locking in WiFi (cfg80211 and mac80211 layers), use wiphy
mutex in most places and remove a lot of smaller locks.
- Create a common DPLL configuration API. Allow configuring and
querying state of PLL circuits used for clock syntonization, in
network time distribution.
- Unify fragmented and full page allocation APIs in page pool code.
Let drivers be ignorant of PAGE_SIZE.
- Rework PHY state machine to avoid races with calls to phy_stop().
- Notify DSA drivers of MAC address changes on user ports, improve
correctness of offloads which depend on matching port MAC
addresses.
- Allow antenna control on injected WiFi frames.
- Reduce the number of variants of napi_schedule().
- Simplify error handling when composing devlink health messages.
Misc:
- A lot of KCSAN data race "fixes", from Eric.
- A lot of __counted_by() annotations, from Kees.
- A lot of strncpy -> strscpy and printf format fixes.
- Replace master/slave terminology with conduit/user in DSA drivers.
- Handful of KUnit tests for netdev and WiFi core.
Removed:
- AppleTalk COPS.
- AppleTalk ipddp.
- TI AR7 CPMAC Ethernet driver.
Drivers:
- Ethernet high-speed NICs:
- Intel (100G, ice, idpf):
- add a driver for the Intel E2000 IPUs
- make CRC/FCS stripping configurable
- cross-timestamping for E823 devices
- basic support for E830 devices
- use aux-bus for managing client drivers
- i40e: report firmware versions via devlink
- nVidia/Mellanox:
- support 4-port NICs
- increase max number of channels to 256
- optimize / parallelize SF creation flow
- Broadcom (bnxt):
- enhance NIC temperature reporting
- support PAM4 speeds and lane configuration
- Marvell OcteonTX2:
- PTP pulse-per-second output support
- enable hardware timestamping for VFs
- Solarflare/AMD:
- conntrack NAT offload and offload for tunnels
- Wangxun (ngbe/txgbe):
- expose HW statistics
- Pensando/AMD:
- support PCI level reset
- narrow down the condition under which skbs are linearized
- Netronome/Corigine (nfp):
- support CHACHA20-POLY1305 crypto in IPsec offload
- Ethernet NICs embedded, slower, virtual:
- Synopsys (stmmac):
- add Loongson-1 SoC support
- enable use of HW queues with no offload capabilities
- enable PPS input support on all 5 channels
- increase TX coalesce timer to 5ms
- RealTek USB (r8152): improve efficiency of Rx by using GRO frags
- xen: support SW packet timestamping
- add drivers for implementations based on TI's PRUSS (AM64x EVM)
- nVidia/Mellanox Ethernet datacenter switches:
- avoid poor HW resource use on Spectrum-4 by better block
selection for IPv6 multicast forwarding and ordering of blocks
in ACL region
- Ethernet embedded switches:
- Microchip:
- support configuring the drive strength for EMI compliance
- ksz9477: partial ACL support
- ksz9477: HSR offload
- ksz9477: Wake on LAN
- Realtek:
- rtl8366rb: respect device tree config of the CPU port
- Ethernet PHYs:
- support Broadcom BCM5221 PHYs
- TI dp83867: support hardware LED blinking
- CAN:
- add support for Linux-PHY based CAN transceivers
- at91_can: clean up and use rx-offload helpers
- WiFi:
- MediaTek (mt76):
- new sub-driver for mt7925 USB/PCIe devices
- HW wireless <> Ethernet bridging in MT7988 chips
- mt7603/mt7628 stability improvements
- Qualcomm (ath12k):
- WCN7850:
- enable 320 MHz channels in 6 GHz band
- hardware rfkill support
- enable IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS to
make scan faster
- read board data variant name from SMBIOS
- QCN9274: mesh support
- RealTek (rtw89):
- TDMA-based multi-channel concurrency (MCC)
- Silicon Labs (wfx):
- Remain-On-Channel (ROC) support
- Bluetooth:
- ISO: many improvements for broadcast support
- mark BCM4378/BCM4387 as BROKEN_LE_CODED
- add support for QCA2066
- btmtksdio: enable Bluetooth wakeup from suspend"
* tag 'net-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1816 commits)
net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers
net: bpf: Use sockopt_lock_sock() in ip_sock_set_tos()
net: mana: Use xdp_set_features_flag instead of direct assignment
vxlan: Cleanup IFLA_VXLAN_PORT_RANGE entry in vxlan_get_size()
iavf: delete the iavf client interface
iavf: add a common function for undoing the interrupt scheme
iavf: use unregister_netdev
iavf: rely on netdev's own registered state
iavf: fix the waiting time for initial reset
iavf: in iavf_down, don't queue watchdog_task if comms failed
iavf: simplify mutex_trylock+sleep loops
iavf: fix comments about old bit locks
doc/netlink: Update schema to support cmd-cnt-name and cmd-max-name
tools: ynl: introduce option to process unknown attributes or types
ipvlan: properly track tx_errors
netdevsim: Block until all devices are released
nfp: using napi_build_skb() to replace build_skb()
net: dsa: microchip: ksz9477: Fix spelling mistake "Enery" -> "Energy"
net: dsa: microchip: Ensure Stable PME Pin State for Wake-on-LAN
net: dsa: microchip: Refactor switch shutdown routine for WoL preparation
...
|
||
Eric Biggers
|
070bb43ab0 |
dm integrity: use crypto_shash_digest() in sb_mac()
Simplify sb_mac() by using crypto_shash_digest() instead of an init+update+final sequence. This should also improve performance. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> |
||
|
Eric Biggers
|
6d0ee3b680 |
dm crypt: use crypto_shash_digest() in crypt_iv_tcw_whitening()
Simplify crypt_iv_tcw_whitening() by using crypto_shash_digest() instead of an init+update+final sequence. This should also improve performance. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> |
||
Damien Le Moal
|
a951104333 |
dm error: Add support for zoned block devices
dm-error is used in several test cases in the xfstests test suite to check the handling of IO errors in file systems. However, with several file systems getting native support for zoned block devices (e.g. btrfs and f2fs), dm-error's lack of zoned block device support creates problems as the file system attempts executing zone commands (e.g. a zone append operation) against a dm-error non-zoned block device, which causes various issues in the block layer (e.g. WARN_ON triggers). This commit adds supports for zoned block devices to dm-error, allowing a DM device table containing an error target to be exposed as a zoned block device (if all targets have a compatible zoned model support and mapping). This is done as follows: 1) Allow passing 2 arguments to an error target, similar to dm-linear: a backing device and a start sector. These arguments are optional and dm-error retains its characteristics if the arguments are not specified. 2) Implement the iterate_devices method so that dm-core can normally check the zone support and restrictions (e.g. zone alignment of the targets). When the backing device arguments are not specified, the iterate_devices method never calls the fn() argument. When no backing device is specified, as before, we assume that the DM device is not zoned. When the backing device arguments are specified, the zoned model of the DM device will depend on the backing device type: - If the backing device is zoned and its model and mapping is compatible with other targets of the device, the resulting device will be zoned, with the dm-error mapped portion always returning errors (similar to the default non-zoned case). - If the backing device is not zoned, then the DM device will not be either. This zone support for dm-error requires the definition of a functional report_zones operation so that dm_revalidate_zones() can operate correctly and resources for emulating zone append operations initialized. This is necessary for cases where dm-error is used to partially map a device and have an overall correct handling of zone append. This means that dm-error does not fail report zones operations. Two changes that are not obvious are included to avoid issues: 1) dm_table_supports_zoned_model() is changed to directly check if the backing device of a wildcard target (= dm-error target) is zoned. Otherwise, we wouldn't be able to catch the invalid setup of dm-error without a backing device (non zoned case) being combined with zoned targets. 2) dm_table_supports_dax() is modified to return false if the wildcard target is found. Otherwise, when dm-error is set without a backing device, we end up with a NULL pointer dereference in set_dax_synchronous (dax_dev is NULL). This is consistent with the current behavior because dm_table_supports_dax() always returned false for targets that do not define the iterate_devices method. Signed-off-by: Damien Le Moal <dlemoal@kernel.org> Tested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Mike Snitzer <snitzer@kernel.org> |
||
Christian Loehle
|
70bbeb29fa |
dm delay: for short delays, use kthread instead of timers and wq
DM delay's current design of using timers and wq to realize the delays
is insufficient for delays below ~50ms.
This commit enhances the design to use a kthread to flush the expired
delays, trading some CPU time (in some cases) for better delay
accuracy and delays closer to what the user requested for smaller
delays. The new design is chosen as long as all the delays are below
50ms.
Since bios can't be completed in interrupt context using a kthread
is probably the most reasonable way to approach this.
Testing with
echo "0 2097152 zero" | dmsetup create dm-zeros
for i in $(seq 0 20);
do
echo "0 2097152 delay /dev/mapper/dm-zeros 0 $i" | dmsetup create dm-delay-${i}ms;
done
Some performance numbers for comparison, on beaglebone black (single
core) CONFIG_HZ_1000=y:
fio --name=1msread --rw=randread --bs=4k --runtime=60 --time_based \
--filename=/dev/mapper/dm-delay-1ms
Theoretical maximum: 1000 IOPS
Previous: 250 IOPS
Kthread: 500 IOPS
fio --name=10msread --rw=randread --bs=4k --runtime=60 --time_based \
--filename=/dev/mapper/dm-delay-10ms
Theoretical maximum: 100 IOPS
Previous: 45 IOPS
Kthread: 50 IOPS
fio --name=1mswrite --rw=randwrite --direct=1 --bs=4k --runtime=60 \
--time_based --filename=/dev/mapper/dm-delay-1ms
Theoretical maximum: 1000 IOPS
Previous: 498 IOPS
Kthread: 1000 IOPS
fio --name=10mswrite --rw=randwrite --direct=1 --bs=4k --runtime=60 \
--time_based --filename=/dev/mapper/dm-delay-10ms
Theoretical maximum: 100 IOPS
Previous: 90 IOPS
Kthread: 100 IOPS
(This one is just to prove the new design isn't impacting throughput,
not really about delays):
fio --name=10mswriteasync --rw=randwrite --direct=1 --bs=4k \
--runtime=60 --time_based --filename=/dev/mapper/dm-delay-10ms \
--numjobs=32 --iodepth=64 --ioengine=libaio --group_reporting
Previous: 13.3k IOPS
Kthread: 13.3k IOPS
Signed-off-by: Christian Loehle <christian.loehle@arm.com>
[Harshit: kthread_create error handling fix in delay_ctr]
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
|
||
|
Stanislaw Gruszka
|
a06eb9be49 |
accel/ivpu: Assure device is off if power up sequence fail
We should not leave device half enabled if there is failure somewhere it power up sequence. Fix device init and resume paths. Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-3-stanislaw.gruszka@linux.intel.com |
||
Krystian Pradzynski
|
bfc87f9061 |
accel/ivpu/40xx: Allow to change profiling frequency
Profiling freq is a debug firmware feature. It switches default clock to higher resolution for fine-grained and more accurate firmware task profiling. We already configure it during boot up of VPU4. Add debugfs knob and helpers per HW generation that allow to change it. For vpu37xx the implementation is empty as profiling frequency can only be changed on VPU4 or newer. Signed-off-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-2-stanislaw.gruszka@linux.intel.com |
||
Syed Saba Kareem
|
ed2232d491 |
ASoC: amd: acp: fix for i2s mode register field update
I2S mode register field will be set to 1 when tdm mode is enabled.
Update the I2S mode field based on tdm_mode flag check.
This will fix below smatch checker warning.
sound/soc/amd/acp/acp-i2s.c:59 acp_set_i2s_clk()
warn: odd binop '0x0 & 0x2'
Fixes:
|
||
Paolo Bonzini
|
be47941980 |
KVM SVM changes for 6.7:
- Report KVM_EXIT_SHUTDOWN instead of EINVAL if KVM intercepts SHUTDOWN while
running an SEV-ES guest.
- Clean up handling "failures" when KVM detects it can't emulate the "skip"
action for an instruction that has already been partially emulated. Drop a
hack in the SVM code that was fudging around the emulator code not giving
SVM enough information to do the right thing.
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Merge tag 'kvm-x86-svm-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM SVM changes for 6.7:
- Report KVM_EXIT_SHUTDOWN instead of EINVAL if KVM intercepts SHUTDOWN while
running an SEV-ES guest.
- Clean up handling "failures" when KVM detects it can't emulate the "skip"
action for an instruction that has already been partially emulated. Drop a
hack in the SVM code that was fudging around the emulator code not giving
SVM enough information to do the right thing.
|
||
|
Paolo Bonzini
|
d5cde2e0b3 |
KVM PMU change for 6.7:
- Handle NMI/SMI requests after PMU/PMI requests so that a PMI=>NMI doesn't
require redoing the entire run loop due to the NMI not being detected until
the final kvm_vcpu_exit_request() check before entering the guest.
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Merge tag 'kvm-x86-pmu-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM PMU change for 6.7:
- Handle NMI/SMI requests after PMU/PMI requests so that a PMI=>NMI doesn't
require redoing the entire run loop due to the NMI not being detected until
the final kvm_vcpu_exit_request() check before entering the guest.
|
||
|
Paolo Bonzini
|
e122d7a100 |
KVM x86 Xen changes for 6.7:
- Omit "struct kvm_vcpu_xen" entirely when CONFIG_KVM_XEN=n.
- Use the fast path directly from the timer callback when delivering Xen timer
events. Avoid the problematic races with using the fast path by ensuring
the hrtimer isn't running when (re)starting the timer or saving the timer
information (for userspace).
- Follow the lead of upstream Xen and ignore the VCPU_SSHOTTMR_future flag.
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Merge tag 'kvm-x86-xen-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM x86 Xen changes for 6.7:
- Omit "struct kvm_vcpu_xen" entirely when CONFIG_KVM_XEN=n.
- Use the fast path directly from the timer callback when delivering Xen timer
events. Avoid the problematic races with using the fast path by ensuring
the hrtimer isn't running when (re)starting the timer or saving the timer
information (for userspace).
- Follow the lead of upstream Xen and ignore the VCPU_SSHOTTMR_future flag.
|
||
|
Paolo Bonzini
|
f0f59d069e |
KVM x86 MMU changes for 6.7:
- Clean up code that deals with honoring guest MTRRs when the VM has
non-coherent DMA and host MTRRs are ignored, i.e. EPT is enabled.
- Zap EPT entries when non-coherent DMA assignment stops/start to prevent
using stale entries with the wrong memtype.
- Don't ignore guest PAT for CR0.CD=1 && KVM_X86_QUIRK_CD_NW_CLEARED=y, as
there's zero reason to ignore guest PAT if the effective MTRR memtype is WB.
This will also allow for future optimizations of handling guest MTRR updates
for VMs with non-coherent DMA and the quirk enabled.
- Harden the fast page fault path to guard against encountering an invalid
root when walking SPTEs.
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Merge tag 'kvm-x86-mmu-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM x86 MMU changes for 6.7:
- Clean up code that deals with honoring guest MTRRs when the VM has
non-coherent DMA and host MTRRs are ignored, i.e. EPT is enabled.
- Zap EPT entries when non-coherent DMA assignment stops/start to prevent
using stale entries with the wrong memtype.
- Don't ignore guest PAT for CR0.CD=1 && KVM_X86_QUIRK_CD_NW_CLEARED=y, as
there's zero reason to ignore guest PAT if the effective MTRR memtype is WB.
This will also allow for future optimizations of handling guest MTRR updates
for VMs with non-coherent DMA and the quirk enabled.
- Harden the fast page fault path to guard against encountering an invalid
root when walking SPTEs.
|
||
George Kennedy
|
2ef422f063 |
IB/mlx5: Fix init stage error handling to avoid double free of same QP and UAF
In the unlikely event that workqueue allocation fails and returns NULL in
mlx5_mkey_cache_init(), delete the call to
mlx5r_umr_resource_cleanup() (which frees the QP) in
mlx5_ib_stage_post_ib_reg_umr_init(). This will avoid attempted double
free of the same QP when __mlx5_ib_add() does its cleanup.
Resolves a splat:
Syzkaller reported a UAF in ib_destroy_qp_user
workqueue: Failed to create a rescuer kthread for wq "mkey_cache": -EINTR
infiniband mlx5_0: mlx5_mkey_cache_init:981:(pid 1642):
failed to create work queue
infiniband mlx5_0: mlx5_ib_stage_post_ib_reg_umr_init:4075:(pid 1642):
mr cache init failed -12
==================================================================
BUG: KASAN: slab-use-after-free in ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2073)
Read of size 8 at addr ffff88810da310a8 by task repro_upstream/1642
Call Trace:
<TASK>
kasan_report (mm/kasan/report.c:590)
ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2073)
mlx5r_umr_resource_cleanup (drivers/infiniband/hw/mlx5/umr.c:198)
__mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4178)
mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)
...
</TASK>
Allocated by task 1642:
__kmalloc (./include/linux/kasan.h:198 mm/slab_common.c:1026
mm/slab_common.c:1039)
create_qp (./include/linux/slab.h:603 ./include/linux/slab.h:720
./include/rdma/ib_verbs.h:2795 drivers/infiniband/core/verbs.c:1209)
ib_create_qp_kernel (drivers/infiniband/core/verbs.c:1347)
mlx5r_umr_resource_init (drivers/infiniband/hw/mlx5/umr.c:164)
mlx5_ib_stage_post_ib_reg_umr_init (drivers/infiniband/hw/mlx5/main.c:4070)
__mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4168)
mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)
...
Freed by task 1642:
__kmem_cache_free (mm/slub.c:1826 mm/slub.c:3809 mm/slub.c:3822)
ib_destroy_qp_user (drivers/infiniband/core/verbs.c:2112)
mlx5r_umr_resource_cleanup (drivers/infiniband/hw/mlx5/umr.c:198)
mlx5_ib_stage_post_ib_reg_umr_init (drivers/infiniband/hw/mlx5/main.c:4076
drivers/infiniband/hw/mlx5/main.c:4065)
__mlx5_ib_add (drivers/infiniband/hw/mlx5/main.c:4168)
mlx5r_probe (drivers/infiniband/hw/mlx5/main.c:4402)
...
Fixes:
|
||
|
Paolo Bonzini
|
f292dc8aad |
KVM x86 misc changes for 6.7:
- Add CONFIG_KVM_MAX_NR_VCPUS to allow supporting up to 4096 vCPUs without
forcing more common use cases to eat the extra memory overhead.
- Add IBPB and SBPB virtualization support.
- Fix a bug where restoring a vCPU snapshot that was taken within 1 second of
creating the original vCPU would cause KVM to try to synchronize the vCPU's
TSC and thus clobber the correct TSC being set by userspace.
- Compute guest wall clock using a single TSC read to avoid generating an
inaccurate time, e.g. if the vCPU is preempted between multiple TSC reads.
- "Virtualize" HWCR.TscFreqSel to make Linux guests happy, which complain
about a "Firmware Bug" if the bit isn't set for select F/M/S combos.
- Don't apply side effects to Hyper-V's synthetic timer on writes from
userspace to fix an issue where the auto-enable behavior can trigger
spurious interrupts, i.e. do auto-enabling only for guest writes.
- Remove an unnecessary kick of all vCPUs when synchronizing the dirty log
without PML enabled.
- Advertise "support" for non-serializing FS/GS base MSR writes as appropriate.
- Use octal notation for file permissions through KVM x86.
- Fix a handful of typo fixes and warts.
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Merge tag 'kvm-x86-misc-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM x86 misc changes for 6.7:
- Add CONFIG_KVM_MAX_NR_VCPUS to allow supporting up to 4096 vCPUs without
forcing more common use cases to eat the extra memory overhead.
- Add IBPB and SBPB virtualization support.
- Fix a bug where restoring a vCPU snapshot that was taken within 1 second of
creating the original vCPU would cause KVM to try to synchronize the vCPU's
TSC and thus clobber the correct TSC being set by userspace.
- Compute guest wall clock using a single TSC read to avoid generating an
inaccurate time, e.g. if the vCPU is preempted between multiple TSC reads.
- "Virtualize" HWCR.TscFreqSel to make Linux guests happy, which complain
about a "Firmware Bug" if the bit isn't set for select F/M/S combos.
- Don't apply side effects to Hyper-V's synthetic timer on writes from
userspace to fix an issue where the auto-enable behavior can trigger
spurious interrupts, i.e. do auto-enabling only for guest writes.
- Remove an unnecessary kick of all vCPUs when synchronizing the dirty log
without PML enabled.
- Advertise "support" for non-serializing FS/GS base MSR writes as appropriate.
- Use octal notation for file permissions through KVM x86.
- Fix a handful of typo fixes and warts.
|
||
|
Paolo Bonzini
|
fadaf574a7 |
KVM x86 Documentation updates for 6.7:
- Fix various typos, notably a confusing reference to the non-existent
"struct kvm_vcpu_event" (the actual structure is kvm_vcpu_events, plural).
- Update x86's kvm_mmu_page documentation to bring it closer to the code
(this raced with the removal of async zapping and so the documentation is
already stale; my bad).
- Document the behavior of x86 PMU filters on fixed counters.
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Merge tag 'kvm-x86-docs-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM x86 Documentation updates for 6.7:
- Fix various typos, notably a confusing reference to the non-existent
"struct kvm_vcpu_event" (the actual structure is kvm_vcpu_events, plural).
- Update x86's kvm_mmu_page documentation to bring it closer to the code
(this raced with the removal of async zapping and so the documentation is
already stale; my bad).
- Document the behavior of x86 PMU filters on fixed counters.
|
||
|
Paolo Bonzini
|
f233646760 |
KVM x86 APIC changes for 6.7:
- Purge VMX's posted interrupt descriptor *before* loading APIC state when
handling KVM_SET_LAPIC. Purging the PID after loading APIC state results in
lost APIC timer IRQs as the APIC timer can be armed as part of loading APIC
state, i.e. can immediately pend an IRQ if the expiry is in the past.
- Clear the ICR.BUSY bit when handling trap-like x2APIC writes to suppress a
WARN due to KVM expecting the BUSY bit to be cleared when sending IPIs.
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Merge tag 'kvm-x86-apic-6.7' of https://github.com/kvm-x86/linux into HEAD
KVM x86 APIC changes for 6.7:
- Purge VMX's posted interrupt descriptor *before* loading APIC state when
handling KVM_SET_LAPIC. Purging the PID after loading APIC state results in
lost APIC timer IRQs as the APIC timer can be armed as part of loading APIC
state, i.e. can immediately pend an IRQ if the expiry is in the past.
- Clear the ICR.BUSY bit when handling trap-like x2APIC writes. This avoids a
WARN, due to KVM expecting the BUSY bit to be cleared when sending IPIs.
|
||
|
Paolo Bonzini
|
140139c5bd |
- nested page table management performance counters
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||
|
Paolo Bonzini
|
957eedc703 |
KVM/riscv changes for 6.7
- Smstateen and Zicond support for Guest/VM - Virtualized senvcfg CSR for Guest/VM - Added Smstateen registers to the get-reg-list selftests - Added Zicond to the get-reg-list selftests - Virtualized SBI debug console (DBCN) for Guest/VM - Added SBI debug console (DBCN) to the get-reg-list selftests -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEZdn75s5e6LHDQ+f/rUjsVaLHLAcFAmU3dKgACgkQrUjsVaLH LAeh6g//RVlm3rLLwnWes3PwnBZDtkXYVVLy8oCEPjjjZGMJ+piwV8kcq4QpNear e1nrOJTnndkjPG9TdJIxFW0qGnPLe4D9Ag6NoFpJXwxZRy/Glr8iWbt3pOcrv6vu gk/9RP5gQpJpcP7D2scR+go6ryEzncCNY5GLtXoyFM9drQk+IROSrMWrWI5CXBJi c0qwQWsSWb3KTBTZ7Gsm0Y7E9WIi5u6bBxcLJvblUKszS+PpXO9IA+8qOGZS4Cts ocy5qqu+NNPECZjSa+kZti8ZSbdjNw9ORyB4OHlBUt55Uidp72pPFdTjGvSvs/jq 6wF70i1qjZOtjVUNdlkF93EN1xu4f3Hus/6/Q1pcyq+k9vo7eeJQQRWR4bJZ9SJR ZkhYfOgqMUzMnrf2M20en9DygRDFstL2XW5mGDPmk9XLSNv1KwpKf96Xl2E20uPb 21EVQSiybmpl80WkWs0txwk62qQYzYUx+Io8XKXl8MrqNN2HCnzUUy/fjy/kd7iM Oe1a8kNcV/eawpURBNVCcpld9qM1OPCmseqrr9tpvdR4SmAo1mAi/d7/I61umwpE a36fqmwIZ0ppMs86BOcMRcTaee6EjPeldXnRCTjCLqo6YvsdHRrwpNBHRMbUOKpy 0688Xf+vjmu81IXhfaRTcs5dvKe1NI4puRtG5DUt7n1csSUyNWI= =TFKQ -----END PGP SIGNATURE----- Merge tag 'kvm-riscv-6.7-1' of https://github.com/kvm-riscv/linux into HEAD KVM/riscv changes for 6.7 - Smstateen and Zicond support for Guest/VM - Virtualized senvcfg CSR for Guest/VM - Added Smstateen registers to the get-reg-list selftests - Added Zicond to the get-reg-list selftests - Virtualized SBI debug console (DBCN) for Guest/VM - Added SBI debug console (DBCN) to the get-reg-list selftests |
||
Moshe Shemesh
|
a53e215f90 |
RDMA/mlx5: Fix mkey cache WQ flush
The cited patch tries to ensure no pending works on the mkey cache
workqueue by disabling adding new works and call flush_workqueue().
But this workqueue also has delayed works which might still be pending
the delay time to be queued.
Add cancel_delayed_work() for the delayed works which waits to be queued
and then the flush_workqueue() will flush all works which are already
queued and running.
Fixes:
|
||
|
Paolo Bonzini
|
ef12ea629e |
LoongArch KVM changes for v6.7
Add LoongArch's KVM support. Loongson 3A5000/3A6000 supports hardware
assisted virtualization. With cpu virtualization, there are separate
hw-supported user mode and kernel mode in guest mode. With memory
virtualization, there are two-level hw mmu table for guest mode and host
mode. Also there is separate hw cpu timer with consant frequency in
guest mode, so that vm can migrate between hosts with different freq.
Currently, we are able to boot LoongArch Linux Guests.
Few key aspects of KVM LoongArch added by this series are:
1. Enable kvm hardware function when kvm module is loaded.
2. Implement VM and vcpu related ioctl interface such as vcpu create,
vcpu run etc. GET_ONE_REG/SET_ONE_REG ioctl commands are use to
get general registers one by one.
3. Hardware access about MMU, timer and csr are emulated in kernel.
4. Hardwares such as mmio and iocsr device are emulated in user space
such as IPI, irqchips, pci devices etc.
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Merge tag 'loongarch-kvm-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson into HEAD
LoongArch KVM changes for v6.7
Add LoongArch's KVM support. Loongson 3A5000/3A6000 supports hardware
assisted virtualization. With cpu virtualization, there are separate
hw-supported user mode and kernel mode in guest mode. With memory
virtualization, there are two-level hw mmu table for guest mode and host
mode. Also there is separate hw cpu timer with consant frequency in
guest mode, so that vm can migrate between hosts with different freq.
Currently, we are able to boot LoongArch Linux Guests.
Few key aspects of KVM LoongArch added by this series are:
1. Enable kvm hardware function when kvm module is loaded.
2. Implement VM and vcpu related ioctl interface such as vcpu create,
vcpu run etc. GET_ONE_REG/SET_ONE_REG ioctl commands are use to
get general registers one by one.
3. Hardware access about MMU, timer and csr are emulated in kernel.
4. Hardwares such as mmio and iocsr device are emulated in user space
such as IPI, irqchips, pci devices etc.
|
||
Jason Gunthorpe
|
162e348024 |
Merge tag 'v6.6' into rdma.git for-next
Resolve conflict by taking the spin_lock hunk from for-next: https://lore.kernel.org/r/20230928113851.5197a1ec@canb.auug.org.au Required for the next patch. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> |
||
Tomi Valkeinen
|
9d7c8c0669 |
Revert "drm/omapdrm: Annotate dma-fence critical section in commit path"
This reverts commit |
||
|
Tomi Valkeinen
|
ca34d81655 |
Revert "drm/tidss: Annotate dma-fence critical section in commit path"
This reverts commit |
||
Mimi Zohar
|
b836c4d29f |
ima: detect changes to the backing overlay file
Commit
|
||
|
Mimi Zohar
|
b46503068c |
certs: Only allow certs signed by keys on the builtin keyring
Originally the secondary trusted keyring provided a keyring to which extra keys may be added, provided those keys were not blacklisted and were vouched for by a key built into the kernel or already in the secondary trusted keyring. On systems with the machine keyring configured, additional keys may also be vouched for by a key on the machine keyring. Prevent loading additional certificates directly onto the secondary keyring, vouched for by keys on the machine keyring, yet allow these certificates to be loaded onto other trusted keyrings. Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> |
||
Prasad Pandit
|
7b5c3086d1 |
integrity: fix indentation of config attributes
Fix indentation of config attributes. Attributes are generally indented with a leading tab(\t) character. Signed-off-by: Prasad Pandit <pjp@fedoraproject.org> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> |
||
Amir Goldstein
|
e044374a8a |
ima: annotate iint mutex to avoid lockdep false positive warnings
It is not clear that IMA should be nested at all, but as long is it measures files both on overlayfs and on underlying fs, we need to annotate the iint mutex to avoid lockdep false positives related to IMA + overlayfs, same as overlayfs annotates the inode mutex. Reported-and-tested-by: syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com Signed-off-by: Amir Goldstein <amir73il@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Mimi Zohar <zohar@linux.ibm.com> |
||
Jonathan Cavitt
|
2fb771f3b8 |
drm/i915: Set copy engine arbitration for Wa_16018031267 / Wa_16018063123
Set copy engine arbitration into round robin mode for part of Wa_16018031267 / Wa_16018063123 mitigation. Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026-wabb-v6-4-4aa7d55d0a8a@intel.com |
||
Andrzej Hajda
|
3a32ef21ed |
drm/i915/gt: add selftest to exercise WABB
Test re-uses logic form indirect ctx BB selftest. Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026-wabb-v6-3-4aa7d55d0a8a@intel.com |
||
|
Andrzej Hajda
|
03fe4b87c6 |
drm/i915: Add WABB blit for Wa_16018031267 / Wa_16018063123
Apply WABB blit for Wa_16018031267 / Wa_16018063123. v3: drop unused enum definition v4: move selftest to separate patch, use wa only on BCS0. v5: fixed selftest caller to context_wabb Signed-off-by: Nirmoy Das <nirmoy.das@intel.com> Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026-wabb-v6-2-4aa7d55d0a8a@intel.com |
||
|
Andrzej Hajda
|
9bb66c179f |
drm/i915: Reserve some kernel space per vm
Reserve one page in each vm for kernel space to use for things such as workarounds. v2: use real memory, do not decrease vm.total v4: reserve only one page and explain flag v5: remove allocated object on ppgtt cleanup v6: decrease vm->total by reservation size Suggested-by: Chris Wilson <chris.p.wilson@linux.intel.com> Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com> Reviewed-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Reviewed-by: Nirmoy Das <nirmoy.das@intel.com> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026-wabb-v6-1-4aa7d55d0a8a@intel.com |
||
Gao Xiang
|
1a0ac8bd7a |
erofs: fix erofs_insert_workgroup() lockref usage
As Linus pointed out [1], lockref_put_return() is fundamentally
designed to be something that can fail. It behaves as a fastpath-only
thing, and the failure case needs to be handled anyway.
Actually, since the new pcluster was just allocated without being
populated, it won't be accessed by others until it is inserted into
XArray, so lockref helpers are actually unneeded here.
Let's just set the proper reference count on initializing.
[1] https://lore.kernel.org/r/CAHk-=whCga8BeQnJ3ZBh_Hfm9ctba_wpF444LpwRybVNMzO6Dw@mail.gmail.com
Fixes:
|
||
Nirmoy Das
|
949113d34f |
drm/i915/mtl: Apply notify_guc to all GTs
Handle platforms with multiple GTs by iterate over all GTs.
Add a Fixes commit so this gets propagated for MTL support.
Fixes:
|
||
Paul E. McKenney
|
acbc3ecb80 |
doc: Add /proc/bootconfig to proc.rst
Add /proc/bootconfig description to Documentation/filesystems/proc.rst. Link: https://lore.kernel.org/all/20231005171747.541123-3-paulmck@kernel.org/ Reported-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> |
||
Suraj Kandpal
|
3b9bbd7962 |
drm/i915/hdcp: Add more conditions to enable hdcp
When we dock a monitor we end up with a enable and disable connector cycle but if hdcp content is running we get the userspace in enabled state and driver maintaining a undesired state which causes the content to stop playing and we only enable hdcp if the userspace state in desired. This patch fixes that. --v2 -Move code to intel_hdcp [Jani] Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026121139.987437-4-suraj.kandpal@intel.com |
||
|
Suraj Kandpal
|
4f60f06a41 |
drm/i915/hdcp: Convert intel_hdcp_enable to a blanket function
Let's convert intel_hdcp_enable to a blanket function which just has some conditions which needs to be checked before connectors enable hdcp. This cleans up code and avoids code duplication. --v3 -Keep function name as intel_hdcp_enable() [Jani] Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026121139.987437-3-suraj.kandpal@intel.com |
||
|
Suraj Kandpal
|
da36ce0099 |
drm/i915/hdcp: Rename HCDP 1.4 enablement function
Rename hdcp 1.4 enablement function from _intel_hdcp_enable to intel_hdcp1_enable to better represent what version of hdcp is being enabled Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231026121139.987437-2-suraj.kandpal@intel.com |
||
Takashi Iwai
|
2dc15ff73b |
ASoC: Updates for v6.7
More updates for v6,7 following the early merge request:
- Fixes for handling of component name prefixing when name prefixes
are used by the machine driver.
- Fixes for noise when stopping some Sounwire CODECs.
- Support for AMD ACP 6.3 and 7.0, Awinc AW88399, more Intel
platforms and more Qualcomm SC7180 platforms.
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Merge tag 'asoc-v6.7-2' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.7
More updates for v6,7 following the early merge request:
- Fixes for handling of component name prefixing when name prefixes
are used by the machine driver.
- Fixes for noise when stopping some Sounwire CODECs.
- Support for AMD ACP 6.3 and 7.0, Awinc AW88399, more Intel
platforms and more Qualcomm SC7180 platforms.
|
||
|
Takashi Iwai
|
c468b5dd75 |
Merge branch 'for-next' into for-linus
Pull 6.7 materials Signed-off-by: Takashi Iwai <tiwai@suse.de> |
||
Justin Stitt
|
ac2f43d3d3 |
wifi: ath10k: replace deprecated strncpy with memcpy
strncpy() is deprecated [1] and we should prefer less ambiguous
interfaces.
In this case, arvif->u.ap.ssid has its length maintained by
arvif->u.ap.ssid_len which indicates it may not need to be
NUL-terminated. Make this explicit with __nonstring and use a plain old
memcpy.
This is also consistent with future copies into arvif->u.ap.ssid:
if (changed & BSS_CHANGED_SSID &&
vif->type == NL80211_IFTYPE_AP) {
arvif->u.ap.ssid_len = vif->cfg.ssid_len;
if (vif->cfg.ssid_len)
memcpy(arvif->u.ap.ssid, vif->cfg.ssid,
vif->cfg.ssid_len);
arvif->u.ap.hidden_ssid = info->hidden_ssid;
}
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://github.com/KSPP/linux/issues/90
Cc: linux-hardening@vger.kernel.org
Signed-off-by: Justin Stitt <justinstitt@google.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20231024-strncpy-drivers-net-wireless-ath-ath10k-mac-c-v2-1-4c1f4cd4b4df@google.com
|
||
Ma Ke
|
56d9854bd7 |
wifi: ath12k: drop NULL pointer check in ath12k_update_per_peer_tx_stats()
Since 'user_stats' is a fixed-size array of 'struct htt_ppdu_user_stats' in 'struct htt_ppdu_stats', any of its member can't be NULL and so relevant check may be dropped. Signed-off-by: Ma Ke <make_ruc2021@163.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20231013074711.2202850-1-make_ruc2021@163.com |
||
|
Linus Torvalds
|
5a6a09e971 |
cgroup: Changes for v6.7
* cpuset now supports remote partitions where CPUs can be reserved for exclusive use down the tree without requiring all the intermediate nodes to be partitions. This makes it easier to use partitions without modifying existing cgroup hierarchy. * cpuset partition configuration behavior improvement. * cgroup_favordynmods= boot param added to allow setting the flag on boot on cgroup1. * Misc code and doc updates. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZUBUKA4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGWfMAP9WP+Z21qzzL2bY5I5kOxu+rD2fF9ORk7azILrI c3gXSQD/bdxNWcdtrCQMvs+ToNEJvqDFxrmgG5uRUF8Ea+FCtQ8= =gZj2 -----END PGP SIGNATURE----- Merge tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup updates from Tejun Heo: - cpuset now supports remote partitions where CPUs can be reserved for exclusive use down the tree without requiring all the intermediate nodes to be partitions. This makes it easier to use partitions without modifying existing cgroup hierarchy. - cpuset partition configuration behavior improvement - cgroup_favordynmods= boot param added to allow setting the flag on boot on cgroup1 - Misc code and doc updates * tag 'cgroup-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: docs/cgroup: Add the list of threaded controllers to cgroup-v2.rst cgroup: use legacy_name for cgroup v1 disable info cgroup/cpuset: Cleanup signedness issue in cpu_exclusive_check() cgroup/cpuset: Enable invalid to valid local partition transition cgroup: add cgroup_favordynmods= command-line option cgroup/cpuset: Extend test_cpuset_prs.sh to test remote partition cgroup/cpuset: Documentation update for partition cgroup/cpuset: Check partition conflict with housekeeping setup cgroup/cpuset: Introduce remote partition cgroup/cpuset: Add cpuset.cpus.exclusive for v2 cgroup/cpuset: Add cpuset.cpus.exclusive.effective for v2 cgroup/cpuset: Fix load balance state in update_partition_sd_lb() cgroup: Avoid extra dereference in css_populate_dir() cgroup: Check for ret during cgroup1_base_files cft addition |
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Linus Torvalds
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866b8870b6 |
workqueue: Changes for v6.7
Just one commit to improve lockdep annotation for work_on_cpu() to avoid spurious warnings. I'll send another pull request for workqueue rust binding. -----BEGIN PGP SIGNATURE----- iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZUBJqg4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGb0pAQCmql98CmUazFhn/8W2zMo+GaU9CuMf/Drchmx+ VeTAfgEAhn2RQGnhhq/G3jfShlBq/9xSA2N1d8OohLfza5ZmfQs= =0gh4 -----END PGP SIGNATURE----- Merge tag 'wq-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq Pull workqueue update from Tejun Heo: "Just one commit to improve lockdep annotation for work_on_cpu() to avoid spurious warnings" * tag 'wq-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: Provide one lock class key per work_on_cpu() callsite |
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Linus Torvalds
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639409a4ac |
workqueue: Add rust bindings for v6.7
to allow rust code to schedule work items on workqueues. While the current
bindings don't cover all of the workqueue API, it provides enough for basic
usage and can be expanded as needed.
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Merge tag 'wq-for-6.7-rust-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue rust bindings from Tejun Heo:
"Add rust bindings to allow rust code to schedule work items on
workqueues.
While the current bindings don't cover all of the workqueue API, it
provides enough for basic usage and can be expanded as needed"
* tag 'wq-for-6.7-rust-bindings' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
rust: workqueue: add examples
rust: workqueue: add `try_spawn` helper method
rust: workqueue: implement `WorkItemPointer` for pointer types
rust: workqueue: add helper for defining work_struct fields
rust: workqueue: define built-in queues
rust: workqueue: add low-level workqueue bindings
rust: sync: add `Arc::{from_raw, into_raw}`
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Ville Syrjälä
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b0462e94c9 |
drm/i915: Move the g45 PEG band gap HPD workaround to the HPD code
We are asked to reprogram PEG_BAND_GAP_DATA prior to enabling hotplug detection on the g45 HDMI/DP ports. Currently we do said reprogamming from the DP/HDMI connector initialization functions. That code should be mostly platform agnostic so clearly not the best place for this. Move the workaround to the place where we actually enable HPD detection. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231012124033.26983-1-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |