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6088 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
7402e635ed |
block-6.6-2023-09-08
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||
|
Linus Torvalds
|
4a0fc73da9 |
more s390 updates for 6.6 merge window
- Couple of virtual vs physical address confusion fixes - Rework locking in dcssblk driver to address a lockdep warning - Remove support for "noexec" kernel command line option since there is no use case where it would make sense - Simplify kernel mapping setup and get rid of quite a bit of code - Add architecture specific __set_memory_yy() functions which allow to modify kernel mappings. Unlike the set_memory_xx() variants they take void pointer start and end parameters, which allows to use them without the usual casts, and also to use them on areas larger than 8TB. Note that the set_memory_xx() family comes with an int num_pages parameter which overflows with 8TB. This could be addressed by changing the num_pages parameter to unsigned long, however requires to change all architectures, since the module code expects an int parameter (see module_set_memory()). This was indeed an issue since for debug_pagealloc() we call set_memory_4k() on the whole identity mapping. Therefore address this for now with the __set_memory_yy() variant, and address common code later - Use dev_set_name() and also fix memory leak in zcrypt driver error handling - Remove unused lsi_mask from airq_struct - Add warning for invalid kernel mapping requests -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmT5sYkACgkQIg7DeRsp bsJQHg//SFJOcVr2uViorvmt+IyiW78H75y8+AC6qoxZ3fuJeuyW2zz/resRsFRO UDCjkV2QYT885ADFUMcunf7LQnJYpSFVjAB6WEhgFr+bFdMWtX1crjHsMHkpcobR Fo4IFurG5NOMIdunPwKiO/dLU8pNGTm1T430uyLZH3ApVrmJ8stgOczusqTO/h3V tjbC5HAm9BBwNyOd2lnZSi8pbUMcfGE2DkRYhFQup1N9NT0BC4S6B8vTsD7NVYVZ WbJzqSl3CnTUJxZFX287YDW6cSaPCLAUfCl7r5FJZUoGvUtOVLlqcOjIIm/72epv YygMI8RdM0KHuzOd8XTNDbBnyYWTmWnZypCQVgNezY1GiO5nfTCkwYLZZagcc0Lo 6fx1B7xBbNao9/pURa6wJ9dXsx+NmD52DjM806hP1H+qoL/YP8dLqV6Qh2C1PFzI VncrnG2mnxjwry5WoOyl19SKqXDgmDylnFuHQHKA9mdCaqZWNkqovOo/6qE6OdWI Q3TinPwTug9vmgwBuQgua/2R1owy7G9mJwwDW9AtZXVzlMG6k06deKIYrZjLxf6Z hOtAu+Xy5IeoXOaaOFU92RsRKX481OTG77rWLREC+orAT1dPrfnguPLlQ7KeFbkR foduTTHcDPOLiIVL1RbWQC9AAw/i7IjN04Jp6KFlQTZqLATyPbM= =+iSZ -----END PGP SIGNATURE----- Merge tag 's390-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Heiko Carstens: - A couple of virtual vs physical address confusion fixes - Rework locking in dcssblk driver to address a lockdep warning - Remove support for "noexec" kernel command line option since there is no use case where it would make sense - Simplify kernel mapping setup and get rid of quite a bit of code - Add architecture specific __set_memory_yy() functions which allow us to modify kernel mappings. Unlike the set_memory_xx() variants they take void pointer start and end parameters, which allows using them without the usual casts, and also to use them on areas larger than 8TB. Note that the set_memory_xx() family comes with an int num_pages parameter which overflows with 8TB. This could be addressed by changing the num_pages parameter to unsigned long, however requires to change all architectures, since the module code expects an int parameter (see module_set_memory()). This was indeed an issue since for debug_pagealloc() we call set_memory_4k() on the whole identity mapping. Therefore address this for now with the __set_memory_yy() variant, and address common code later - Use dev_set_name() and also fix memory leak in zcrypt driver error handling - Remove unused lsi_mask from airq_struct - Add warning for invalid kernel mapping requests * tag 's390-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/vmem: do not silently ignore mapping limit s390/zcrypt: utilize dev_set_name() ability to use a formatted string s390/zcrypt: don't leak memory if dev_set_name() fails s390/mm: fix MAX_DMA_ADDRESS physical vs virtual confusion s390/airq: remove lsi_mask from airq_struct s390/mm: use __set_memory() variants where useful s390/set_memory: add __set_memory() variant s390/set_memory: generate all set_memory() functions s390/mm: improve description of mapping permissions of prefix pages s390/amode31: change type of __samode31, __eamode31, etc s390/mm: simplify kernel mapping setup s390: remove "noexec" option s390/vmem: fix virtual vs physical address confusion s390/dcssblk: fix lockdep warning s390/monreader: fix virtual vs physical address confusion |
||
Andy Shevchenko
|
f59ec04d38 |
s390/zcrypt: utilize dev_set_name() ability to use a formatted string
With the dev_set_name() prototype it's not obvious that it takes a formatted string as a parameter. Use its facility instead of duplicating the same with strncpy()/snprintf() calls. With this, also prevent return error code to be shadowed. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230831110000.24279-2-andriy.shevchenko@linux.intel.com Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Andy Shevchenko
|
6252f47b78 |
s390/zcrypt: don't leak memory if dev_set_name() fails
When dev_set_name() fails, zcdn_create() doesn't free the newly
allocated resources. Do it.
Fixes:
|
||
|
Linus Torvalds
|
8e1e49550d |
TTY/Serial driver changes for 6.6-rc1
Here is the big set of tty and serial driver changes for 6.6-rc1.
Lots of cleanups in here this cycle, and some driver updates. Short
summary is:
- Jiri's continued work to make the tty code and apis be a bit more
sane with regards to modern kernel coding style and types
- cpm_uart driver updates
- n_gsm updates and fixes
- meson driver updates
- sc16is7xx driver updates
- 8250 driver updates for different hardware types
- qcom-geni driver fixes
- tegra serial driver change
- stm32 driver updates
- synclink_gt driver cleanups
- tty structure size reduction
All of these have been in linux-next this week with no reported issues.
The last bit of cleanups from Jiri and the tty structure size reduction
came in last week, a bit late but as they were just style changes and
size reductions, I figured they should get into this merge cycle so that
others can work on top of them with no merge conflicts.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty and serial driver changes for 6.6-rc1.
Lots of cleanups in here this cycle, and some driver updates. Short
summary is:
- Jiri's continued work to make the tty code and apis be a bit more
sane with regards to modern kernel coding style and types
- cpm_uart driver updates
- n_gsm updates and fixes
- meson driver updates
- sc16is7xx driver updates
- 8250 driver updates for different hardware types
- qcom-geni driver fixes
- tegra serial driver change
- stm32 driver updates
- synclink_gt driver cleanups
- tty structure size reduction
All of these have been in linux-next this week with no reported
issues. The last bit of cleanups from Jiri and the tty structure size
reduction came in last week, a bit late but as they were just style
changes and size reductions, I figured they should get into this merge
cycle so that others can work on top of them with no merge conflicts"
* tag 'tty-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (199 commits)
tty: shrink the size of struct tty_struct by 40 bytes
tty: n_tty: deduplicate copy code in n_tty_receive_buf_real_raw()
tty: n_tty: extract ECHO_OP processing to a separate function
tty: n_tty: unify counts to size_t
tty: n_tty: use u8 for chars and flags
tty: n_tty: simplify chars_in_buffer()
tty: n_tty: remove unsigned char casts from character constants
tty: n_tty: move newline handling to a separate function
tty: n_tty: move canon handling to a separate function
tty: n_tty: use MASK() for masking out size bits
tty: n_tty: make n_tty_data::num_overrun unsigned
tty: n_tty: use time_is_before_jiffies() in n_tty_receive_overrun()
tty: n_tty: use 'num' for writes' counts
tty: n_tty: use output character directly
tty: n_tty: make flow of n_tty_receive_buf_common() a bool
Revert "tty: serial: meson: Add a earlycon for the T7 SoC"
Documentation: devices.txt: Fix minors for ttyCPM*
Documentation: devices.txt: Remove ttySIOC*
Documentation: devices.txt: Remove ttyIOC*
serial: 8250_bcm7271: improve bcm7271 8250 port
...
|
||
Heiko Carstens
|
f7cf224246 |
s390/dasd: fix string length handling
Building dasd_eckd.o with latest clang reveals this bug:
CC drivers/s390/block/dasd_eckd.o
drivers/s390/block/dasd_eckd.c:1082:3: warning: 'snprintf' will always be truncated;
specified size is 1, but format string expands to at least 11 [-Wfortify-source]
1082 | snprintf(print_uid, sizeof(*print_uid),
| ^
drivers/s390/block/dasd_eckd.c:1087:3: warning: 'snprintf' will always be truncated;
specified size is 1, but format string expands to at least 10 [-Wfortify-source]
1087 | snprintf(print_uid, sizeof(*print_uid),
| ^
Fix this by moving and using the existing UID_STRLEN for the arrays
that are being written to. Also rename UID_STRLEN to DASD_UID_STRLEN
to clarify its scope.
Fixes:
|
||
|
Linus Torvalds
|
ec0e2dc810 |
VFIO updates for v6.6-rc1
- VFIO direct character device (cdev) interface support. This extracts
the vfio device fd from the container and group model, and is intended
to be the native uAPI for use with IOMMUFD. (Yi Liu)
- Enhancements to the PCI hot reset interface in support of cdev usage.
(Yi Liu)
- Fix a potential race between registering and unregistering vfio files
in the kvm-vfio interface and extend use of a lock to avoid extra
drop and acquires. (Dmitry Torokhov)
- A new vfio-pci variant driver for the AMD/Pensando Distributed Services
Card (PDS) Ethernet device, supporting live migration. (Brett Creeley)
- Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
and simplify driver init/exit in fsl code. (Li Zetao)
- Fix uninitialized hole in data structure and pad capability structures
for alignment. (Stefan Hajnoczi)
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Merge tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- VFIO direct character device (cdev) interface support. This extracts
the vfio device fd from the container and group model, and is
intended to be the native uAPI for use with IOMMUFD (Yi Liu)
- Enhancements to the PCI hot reset interface in support of cdev usage
(Yi Liu)
- Fix a potential race between registering and unregistering vfio files
in the kvm-vfio interface and extend use of a lock to avoid extra
drop and acquires (Dmitry Torokhov)
- A new vfio-pci variant driver for the AMD/Pensando Distributed
Services Card (PDS) Ethernet device, supporting live migration (Brett
Creeley)
- Cleanups to remove redundant owner setup in cdx and fsl bus drivers,
and simplify driver init/exit in fsl code (Li Zetao)
- Fix uninitialized hole in data structure and pad capability
structures for alignment (Stefan Hajnoczi)
* tag 'vfio-v6.6-rc1' of https://github.com/awilliam/linux-vfio: (53 commits)
vfio/pds: Send type for SUSPEND_STATUS command
vfio/pds: fix return value in pds_vfio_get_lm_file()
pds_core: Fix function header descriptions
vfio: align capability structures
vfio/type1: fix cap_migration information leak
vfio/fsl-mc: Use module_fsl_mc_driver macro to simplify the code
vfio/cdx: Remove redundant initialization owner in vfio_cdx_driver
vfio/pds: Add Kconfig and documentation
vfio/pds: Add support for firmware recovery
vfio/pds: Add support for dirty page tracking
vfio/pds: Add VFIO live migration support
vfio/pds: register with the pds_core PF
pds_core: Require callers of register/unregister to pass PF drvdata
vfio/pds: Initial support for pds VFIO driver
vfio: Commonize combine_ranges for use in other VFIO drivers
kvm/vfio: avoid bouncing the mutex when adding and deleting groups
kvm/vfio: ensure kvg instance stays around in kvm_vfio_group_add()
docs: vfio: Add vfio device cdev description
vfio: Compile vfio_group infrastructure optionally
vfio: Move the IOMMU_CAP_CACHE_COHERENCY check in __vfio_register_dev()
...
|
||
Benjamin Block
|
acf00b5ef9 |
s390/airq: remove lsi_mask from airq_struct
Remove the field `lsi_mask` from `struct airq_struct` as it is not utilized for any adapter interrupt, other than setting it to the default value of 0xff. Because nobody is using this functionality, all it does is cost a little bit of time with each delivered adapter interrupt. Reviewed-by: Michael Mueller <mimu@linux.ibm.com> Tested-by: Michael Mueller <mimu@linux.ibm.com> Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
Gerald Schaefer
|
789dd8cb1e |
s390/dcssblk: fix lockdep warning
dcssblk_remove_store() holds the dcssblk_devices_sem semaphore while
calling del_gendisk(dev_info->gd), which in turn tries to acquire
disk->open_mutex. Then there is dcssblk_release(), which is called
with disk->open_mutex held, and tries to acquire dcssblk_devices_sem.
Lockdep reports this as possible circular locking dependency (CPU0 =
dcssblk_remove_store, CPU1 = dcssblk_release):
[ 44.948865] Possible unsafe locking scenario:
[ 44.948866] CPU0 CPU1
[ 44.948867] ---- ----
[ 44.948868] lock(&dcssblk_devices_sem);
[ 44.948870] lock(&disk->open_mutex);
[ 44.948872] lock(&dcssblk_devices_sem);
[ 44.948874] lock(&disk->open_mutex);
[ 44.948876]
*** DEADLOCK ***
In practice, this deadlock should not happen, since dcssblk_remove_store()
checks for dev_info->use_count != 0 after acquiring dcssblk_devices_sem,
and breaks out before calling del_gendisk(). dev_info->use_count will be
decremented in dcssblk_release(), protected by dcssblk_devices_sem.
Still there is no need for dcssblk_remove_store() to hold the
dcssblk_devices_sem until after calling del_gendisk(), as this only
protects dcssblk internal data. So fix the lockdep warning by releasing
dcssblk_devices_sem earlier. Also move the segment_unload() loop up,
similar to dcssblk_shared_store() error path, no need to do that after
calling del_gendisk().
Also change dcssblk_shared_store() error path, where dcssblk_devices_sem
was also released only after calling del_gendisk(), and a similar lockdep
warning could be triggered (but also deadlock prevented by check for
dev_info->use_count).
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
|
||
|
Gerald Schaefer
|
67ce50ce01 |
s390/monreader: fix virtual vs physical address confusion
Fix virtual vs physical address confusion (which currently are the same). Acked-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Linus Torvalds
|
bd6c11bc43 |
Networking changes for 6.6.
Core
----
- Increase size limits for to-be-sent skb frag allocations. This
allows tun, tap devices and packet sockets to better cope with large
writes operations.
- Store netdevs in an xarray, to simplify iterating over netdevs.
- Refactor nexthop selection for multipath routes.
- Improve sched class lifetime handling.
- Add backup nexthop ID support for bridge.
- Implement drop reasons support in openvswitch.
- Several data races annotations and fixes.
- Constify the sk parameter of routing functions.
- Prepend kernel version to netconsole message.
Protocols
---------
- Implement support for TCP probing the peer being under memory
pressure.
- Remove hard coded limitation on IPv6 specific info placement
inside the socket struct.
- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated
per socket scaling factor.
- Scaling-up the IPv6 expired route GC via a separated list of
expiring routes.
- In-kernel support for the TLS alert protocol.
- Better support for UDP reuseport with connected sockets.
- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
header size.
- Get rid of additional ancillary per MPTCP connection struct socket.
- Implement support for BPF-based MPTCP packet schedulers.
- Format MPTCP subtests selftests results in TAP.
- Several new SMC 2.1 features including unique experimental options,
max connections per lgr negotiation, max links per lgr negotiation.
BPF
---
- Multi-buffer support in AF_XDP.
- Add multi uprobe BPF links for attaching multiple uprobes
and usdt probes, which is significantly faster and saves extra fds.
- Implement an fd-based tc BPF attach API (TCX) and BPF link support on
top of it.
- Add SO_REUSEPORT support for TC bpf_sk_assign.
- Support new instructions from cpu v4 to simplify the generated code and
feature completeness, for x86, arm64, riscv64.
- Support defragmenting IPv(4|6) packets in BPF.
- Teach verifier actual bounds of bpf_get_smp_processor_id()
and fix perf+libbpf issue related to custom section handling.
- Introduce bpf map element count and enable it for all program types.
- Add a BPF hook in sys_socket() to change the protocol ID
from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy.
- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress.
- Add uprobe support for the bpf_get_func_ip helper.
- Check skb ownership against full socket.
- Support for up to 12 arguments in BPF trampoline.
- Extend link_info for kprobe_multi and perf_event links.
Netfilter
---------
- Speed-up process exit by aborting ruleset validation if a
fatal signal is pending.
- Allow NLA_POLICY_MASK to be used with BE16/BE32 types.
Driver API
----------
- Page pool optimizations, to improve data locality and cache usage.
- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the need
for raw ioctl() handling in drivers.
- Simplify genetlink dump operations (doit/dumpit) providing them
the common information already populated in struct genl_info.
- Extend and use the yaml devlink specs to [re]generate the split ops.
- Introduce devlink selective dumps, to allow SF filtering SF based on
handle and other attributes.
- Add yaml netlink spec for netlink-raw families, allow route, link and
address related queries via the ynl tool.
- Remove phylink legacy mode support.
- Support offload LED blinking to phy.
- Add devlink port function attributes for IPsec.
New hardware / drivers
----------------------
- Ethernet:
- Broadcom ASP 2.0 (72165) ethernet controller
- MediaTek MT7988 SoC
- Texas Instruments AM654 SoC
- Texas Instruments IEP driver
- Atheros qca8081 phy
- Marvell 88Q2110 phy
- NXP TJA1120 phy
- WiFi:
- MediaTek mt7981 support
- Can:
- Kvaser SmartFusion2 PCI Express devices
- Allwinner T113 controllers
- Texas Instruments tcan4552/4553 chips
- Bluetooth:
- Intel Gale Peak
- Qualcomm WCN3988 and WCN7850
- NXP AW693 and IW624
- Mediatek MT2925
Drivers
-------
- Ethernet NICs:
- nVidia/Mellanox:
- mlx5:
- support UDP encapsulation in packet offload mode
- IPsec packet offload support in eswitch mode
- improve aRFS observability by adding new set of counters
- extends MACsec offload support to cover RoCE traffic
- dynamic completion EQs
- mlx4:
- convert to use auxiliary bus instead of custom interface logic
- Intel
- ice:
- implement switchdev bridge offload, even for LAG interfaces
- implement SRIOV support for LAG interfaces
- igc:
- add support for multiple in-flight TX timestamps
- Broadcom:
- bnxt:
- use the unified RX page pool buffers for XDP and non-XDP
- use the NAPI skb allocation cache
- OcteonTX2:
- support Round Robin scheduling HTB offload
- TC flower offload support for SPI field
- Freescale:
- add XDP_TX feature support
- AMD:
- ionic: add support for PCI FLR event
- sfc:
- basic conntrack offload
- introduce eth, ipv4 and ipv6 pedit offloads
- ST Microelectronics:
- stmmac: maximze PTP timestamping resolution
- Virtual NICs:
- Microsoft vNIC:
- batch ringing RX queue doorbell on receiving packets
- add page pool for RX buffers
- Virtio vNIC:
- add per queue interrupt coalescing support
- Google vNIC:
- add queue-page-list mode support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add port range matching tc-flower offload
- permit enslavement to netdevices with uppers
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- convert to phylink_pcs
- Renesas:
- r8A779fx: add speed change support
- rzn1: enables vlan support
- Ethernet PHYs:
- convert mv88e6xxx to phylink_pcs
- WiFi:
- Qualcomm Wi-Fi 7 (ath12k):
- extremely High Throughput (EHT) PHY support
- RealTek (rtl8xxxu):
- enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
RTL8192EU and RTL8723BU
- RealTek (rtw89):
- Introduce Time Averaged SAR (TAS) support
- Connector:
- support for event filtering
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni:
"Core:
- Increase size limits for to-be-sent skb frag allocations. This
allows tun, tap devices and packet sockets to better cope with
large writes operations
- Store netdevs in an xarray, to simplify iterating over netdevs
- Refactor nexthop selection for multipath routes
- Improve sched class lifetime handling
- Add backup nexthop ID support for bridge
- Implement drop reasons support in openvswitch
- Several data races annotations and fixes
- Constify the sk parameter of routing functions
- Prepend kernel version to netconsole message
Protocols:
- Implement support for TCP probing the peer being under memory
pressure
- Remove hard coded limitation on IPv6 specific info placement inside
the socket struct
- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per
socket scaling factor
- Scaling-up the IPv6 expired route GC via a separated list of
expiring routes
- In-kernel support for the TLS alert protocol
- Better support for UDP reuseport with connected sockets
- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
header size
- Get rid of additional ancillary per MPTCP connection struct socket
- Implement support for BPF-based MPTCP packet schedulers
- Format MPTCP subtests selftests results in TAP
- Several new SMC 2.1 features including unique experimental options,
max connections per lgr negotiation, max links per lgr negotiation
BPF:
- Multi-buffer support in AF_XDP
- Add multi uprobe BPF links for attaching multiple uprobes and usdt
probes, which is significantly faster and saves extra fds
- Implement an fd-based tc BPF attach API (TCX) and BPF link support
on top of it
- Add SO_REUSEPORT support for TC bpf_sk_assign
- Support new instructions from cpu v4 to simplify the generated code
and feature completeness, for x86, arm64, riscv64
- Support defragmenting IPv(4|6) packets in BPF
- Teach verifier actual bounds of bpf_get_smp_processor_id() and fix
perf+libbpf issue related to custom section handling
- Introduce bpf map element count and enable it for all program types
- Add a BPF hook in sys_socket() to change the protocol ID from
IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy
- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress
- Add uprobe support for the bpf_get_func_ip helper
- Check skb ownership against full socket
- Support for up to 12 arguments in BPF trampoline
- Extend link_info for kprobe_multi and perf_event links
Netfilter:
- Speed-up process exit by aborting ruleset validation if a fatal
signal is pending
- Allow NLA_POLICY_MASK to be used with BE16/BE32 types
Driver API:
- Page pool optimizations, to improve data locality and cache usage
- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the
need for raw ioctl() handling in drivers
- Simplify genetlink dump operations (doit/dumpit) providing them the
common information already populated in struct genl_info
- Extend and use the yaml devlink specs to [re]generate the split ops
- Introduce devlink selective dumps, to allow SF filtering SF based
on handle and other attributes
- Add yaml netlink spec for netlink-raw families, allow route, link
and address related queries via the ynl tool
- Remove phylink legacy mode support
- Support offload LED blinking to phy
- Add devlink port function attributes for IPsec
New hardware / drivers:
- Ethernet:
- Broadcom ASP 2.0 (72165) ethernet controller
- MediaTek MT7988 SoC
- Texas Instruments AM654 SoC
- Texas Instruments IEP driver
- Atheros qca8081 phy
- Marvell 88Q2110 phy
- NXP TJA1120 phy
- WiFi:
- MediaTek mt7981 support
- Can:
- Kvaser SmartFusion2 PCI Express devices
- Allwinner T113 controllers
- Texas Instruments tcan4552/4553 chips
- Bluetooth:
- Intel Gale Peak
- Qualcomm WCN3988 and WCN7850
- NXP AW693 and IW624
- Mediatek MT2925
Drivers:
- Ethernet NICs:
- nVidia/Mellanox:
- mlx5:
- support UDP encapsulation in packet offload mode
- IPsec packet offload support in eswitch mode
- improve aRFS observability by adding new set of counters
- extends MACsec offload support to cover RoCE traffic
- dynamic completion EQs
- mlx4:
- convert to use auxiliary bus instead of custom interface
logic
- Intel
- ice:
- implement switchdev bridge offload, even for LAG
interfaces
- implement SRIOV support for LAG interfaces
- igc:
- add support for multiple in-flight TX timestamps
- Broadcom:
- bnxt:
- use the unified RX page pool buffers for XDP and non-XDP
- use the NAPI skb allocation cache
- OcteonTX2:
- support Round Robin scheduling HTB offload
- TC flower offload support for SPI field
- Freescale:
- add XDP_TX feature support
- AMD:
- ionic: add support for PCI FLR event
- sfc:
- basic conntrack offload
- introduce eth, ipv4 and ipv6 pedit offloads
- ST Microelectronics:
- stmmac: maximze PTP timestamping resolution
- Virtual NICs:
- Microsoft vNIC:
- batch ringing RX queue doorbell on receiving packets
- add page pool for RX buffers
- Virtio vNIC:
- add per queue interrupt coalescing support
- Google vNIC:
- add queue-page-list mode support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add port range matching tc-flower offload
- permit enslavement to netdevices with uppers
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- convert to phylink_pcs
- Renesas:
- r8A779fx: add speed change support
- rzn1: enables vlan support
- Ethernet PHYs:
- convert mv88e6xxx to phylink_pcs
- WiFi:
- Qualcomm Wi-Fi 7 (ath12k):
- extremely High Throughput (EHT) PHY support
- RealTek (rtl8xxxu):
- enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
RTL8192EU and RTL8723BU
- RealTek (rtw89):
- Introduce Time Averaged SAR (TAS) support
- Connector:
- support for event filtering"
* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits)
net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show
net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler
net: stmmac: clarify difference between "interface" and "phy_interface"
r8152: add vendor/device ID pair for D-Link DUB-E250
devlink: move devlink_notify_register/unregister() to dev.c
devlink: move small_ops definition into netlink.c
devlink: move tracepoint definitions into core.c
devlink: push linecard related code into separate file
devlink: push rate related code into separate file
devlink: push trap related code into separate file
devlink: use tracepoint_enabled() helper
devlink: push region related code into separate file
devlink: push param related code into separate file
devlink: push resource related code into separate file
devlink: push dpipe related code into separate file
devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper
devlink: push shared buffer related code into separate file
devlink: push port related code into separate file
devlink: push object register/unregister notifications into separate helpers
inet: fix IP_TRANSPARENT error handling
...
|
||
|
Linus Torvalds
|
e5b7ca09e9 |
s390 updates for 6.6 merge window
- Add vfio-ap support to pass-through crypto devices to secure execution guests - Add API ordinal 6 support to zcrypt_ep11misc device drive, which is required to handle key generate and key derive (e.g. secure key to protected key) correctly - Add missing secure/has_secure sysfs files for the case where it is not possible to figure where a system has been booted from. Existing user space relies on that these files are always present - Fix DCSS block device driver list corruption, caused by incorrect error handling - Convert virt_to_pfn() and pfn_to_virt() from defines to static inline functions to enforce type checking - Cleanups, improvements, and minor fixes to the kernel mapping setup - Fix various virtual vs physical address confusions - Move pfault code to separate file, since it has nothing to do with regular fault handling - Move s390 documentation to Documentation/arch/ like it has been done for other architectures already - Add HAVE_FUNCTION_GRAPH_RETVAL support - Factor out the s390_hypfs filesystem and add a new config option for it. The filesystem is deprecated and as soon as all users are gone it can be removed some time in the not so near future - Remove support for old CEX2 and CEX3 crypto cards from zcrypt device driver - Add support for user-defined certificates: receive user-defined certificates with a diagnose call and provide them via 'cert_store' keyring to user space - Couple of other small fixes and improvements all over the place -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmTrqNYACgkQIg7DeRsp bsKkUBAApWXr3WCJA2tige34AnFwmskx4sBxl/fgwcwJrC55fED1jKWaiXOM6isv P+hqavZnks3gXZdYcD3kxXkNMh+fPNWw7BAL35J5Gu1VShA/jlbTC6ZrvUO3t+Fy NsdLvBDbNDdyUzQF7w0Xb0jyIxqhJTRyhLfR5oXES63FHomv2F/vofu4jWR/q+cc F9mcnoDeN4zLdssdvl6WtPX4nEY9RpG0QOh67drnxuq+8v7sL8gKN4ti94Rp6vhs g4NhNs9xgRIPoOcX2KlSIdFqO9P12jSXZq0G4HcOp8UGQvgU/mS+UG3pQwV3ZJLS 3/kUJZ4/CwQa1xUFtPGP1/4AngGNOnhT9FCD4KrqjDkRZmLsd5RvURe6L1zQ3vbZ KnX7q0Otx4xRVYPlbHb9aP+tC7f3Q10ytBAps616qZoA/2SMss2BLZiiPBpCCvDp L+9dRhBGYCP2PSe6H/qGQFfMW+uY7QF+NDcDAT5mX1lS8OVrGJxqM7Q+sY2pMLGo 5nR16LvM9g6W/ZnsVn0+BWg4CgaPMi+PMfMPxs/o9RG+/0d1AJx1aLSiHdP1pXog 8/Wg4GaaJ27S4Ers0JUmH7VDO+QkkLvAArstjk8l59r1XslWiBP5USebkxtgu6EQ ehAh0+oa432ALq8Rn1FK/X+pWFumbTVf8OPwR8YEjDbeTPIBCqg= =ewd9 -----END PGP SIGNATURE----- Merge tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Heiko Carstens: - Add vfio-ap support to pass-through crypto devices to secure execution guests - Add API ordinal 6 support to zcrypt_ep11misc device drive, which is required to handle key generate and key derive (e.g. secure key to protected key) correctly - Add missing secure/has_secure sysfs files for the case where it is not possible to figure where a system has been booted from. Existing user space relies on that these files are always present - Fix DCSS block device driver list corruption, caused by incorrect error handling - Convert virt_to_pfn() and pfn_to_virt() from defines to static inline functions to enforce type checking - Cleanups, improvements, and minor fixes to the kernel mapping setup - Fix various virtual vs physical address confusions - Move pfault code to separate file, since it has nothing to do with regular fault handling - Move s390 documentation to Documentation/arch/ like it has been done for other architectures already - Add HAVE_FUNCTION_GRAPH_RETVAL support - Factor out the s390_hypfs filesystem and add a new config option for it. The filesystem is deprecated and as soon as all users are gone it can be removed some time in the not so near future - Remove support for old CEX2 and CEX3 crypto cards from zcrypt device driver - Add support for user-defined certificates: receive user-defined certificates with a diagnose call and provide them via 'cert_store' keyring to user space - Couple of other small fixes and improvements all over the place * tag 's390-6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (66 commits) s390/pci: use builtin_misc_device macro to simplify the code s390/vfio-ap: make sure nib is shared KVM: s390: export kvm_s390_pv*_is_protected functions s390/uv: export uv_pin_shared for direct usage s390/vfio-ap: check for TAPQ response codes 0x35 and 0x36 s390/vfio-ap: handle queue state change in progress on reset s390/vfio-ap: use work struct to verify queue reset s390/vfio-ap: store entire AP queue status word with the queue object s390/vfio-ap: remove upper limit on wait for queue reset to complete s390/vfio-ap: allow deconfigured queue to be passed through to a guest s390/vfio-ap: wait for response code 05 to clear on queue reset s390/vfio-ap: clean up irq resources if possible s390/vfio-ap: no need to check the 'E' and 'I' bits in APQSW after TAPQ s390/ipl: refactor deprecated strncpy s390/ipl: fix virtual vs physical address confusion s390/zcrypt_ep11misc: support API ordinal 6 with empty pin-blob s390/paes: fix PKEY_TYPE_EP11_AES handling for secure keyblobs s390/pkey: fix PKEY_TYPE_EP11_AES handling for sysfs attributes s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_VERIFYKEY2 IOCTL s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_KBLOB2PROTK[23] ... |
||
|
Linus Torvalds
|
511fb5bafe |
v6.6-vfs.super
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Merge tag 'v6.6-vfs.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull superblock updates from Christian Brauner:
"This contains the super rework that was ready for this cycle. The
first part changes the order of how we open block devices and allocate
superblocks, contains various cleanups, simplifications, and a new
mechanism to wait on superblock state changes.
This unblocks work to ultimately limit the number of writers to a
block device. Jan has already scheduled follow-up work that will be
ready for v6.7 and allows us to restrict the number of writers to a
given block device. That series builds on this work right here.
The second part contains filesystem freezing updates.
Overview:
The generic superblock changes are rougly organized as follows
(ignoring additional minor cleanups):
(1) Removal of the bd_super member from struct block_device.
This was a very odd back pointer to struct super_block with
unclear rules. For all relevant places we have other means to get
the same information so just get rid of this.
(2) Simplify rules for superblock cleanup.
Roughly, everything that is allocated during fs_context
initialization and that's stored in fs_context->s_fs_info needs
to be cleaned up by the fs_context->free() implementation before
the superblock allocation function has been called successfully.
After sget_fc() returned fs_context->s_fs_info has been
transferred to sb->s_fs_info at which point sb->kill_sb() if
fully responsible for cleanup. Adhering to these rules means that
cleanup of sb->s_fs_info in fill_super() is to be avoided as it's
brittle and inconsistent.
Cleanup shouldn't be duplicated between sb->put_super() as
sb->put_super() is only called if sb->s_root has been set aka
when the filesystem has been successfully born (SB_BORN). That
complexity should be avoided.
This also means that block devices are to be closed in
sb->kill_sb() instead of sb->put_super(). More details in the
lower section.
(3) Make it possible to lookup or create a superblock before opening
block devices
There's a subtle dependency on (2) as some filesystems did rely
on fill_super() to be called in order to correctly clean up
sb->s_fs_info. All these filesystems have been fixed.
(4) Switch most filesystem to follow the same logic as the generic
mount code now does as outlined in (3).
(5) Use the superblock as the holder of the block device. We can now
easily go back from block device to owning superblock.
(6) Export and extend the generic fs_holder_ops and use them as
holder ops everywhere and remove the filesystem specific holder
ops.
(7) Call from the block layer up into the filesystem layer when the
block device is removed, allowing to shut down the filesystem
without risk of deadlocks.
(8) Get rid of get_super().
We can now easily go back from the block device to owning
superblock and can call up from the block layer into the
filesystem layer when the device is removed. So no need to wade
through all registered superblock to find the owning superblock
anymore"
Link: https://lore.kernel.org/lkml/20230824-prall-intakt-95dbffdee4a0@brauner/
* tag 'v6.6-vfs.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (47 commits)
super: use higher-level helper for {freeze,thaw}
super: wait until we passed kill super
super: wait for nascent superblocks
super: make locking naming consistent
super: use locking helpers
fs: simplify invalidate_inodes
fs: remove get_super
block: call into the file system for ioctl BLKFLSBUF
block: call into the file system for bdev_mark_dead
block: consolidate __invalidate_device and fsync_bdev
block: drop the "busy inodes on changed media" log message
dasd: also call __invalidate_device when setting the device offline
amiflop: don't call fsync_bdev in FDFMTBEG
floppy: call disk_force_media_change when changing the format
block: simplify the disk_force_media_change interface
nbd: call blk_mark_disk_dead in nbd_clear_sock_ioctl
xfs use fs_holder_ops for the log and RT devices
xfs: drop s_umount over opening the log and RT devices
ext4: use fs_holder_ops for the log device
ext4: drop s_umount over opening the log device
...
|
||
|
Heiko Carstens
|
6daf5a6824 |
Merge branch 'vfio-ap' into features
Tony Krowiak says: =================== This patch series is for the changes required in the vfio_ap device driver to facilitate pass-through of crypto devices to a secure execution guest. In particular, it is critical that no data from the queues passed through to the SE guest is leaked when the guest is destroyed. There are also some new response codes returned from the PQAP(ZAPQ) and PQAP(TAPQ) commands that have been added to the architecture in support of pass-through of crypto devices to SE guests; these need to be accounted for when handling the reset of queues. =================== Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
Christian Brauner
|
3fb5a6562a |
New code for 6.6:
* Allow the kernel to initiate a freeze of a filesystem. The kernel
and userspace can both hold a freeze on a filesystem at the same
time; the freeze is not lifted until /both/ holders lift it. This
will enable us to fix a longstanding bug in XFS online fsck.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'vfs-6.6-merge-2' of ssh://gitolite.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull filesystem freezing updates from Darrick Wong:
New code for 6.6:
* Allow the kernel to initiate a freeze of a filesystem. The kernel
and userspace can both hold a freeze on a filesystem at the same
time; the freeze is not lifted until /both/ holders lift it. This
will enable us to fix a longstanding bug in XFS online fsck.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Message-Id: <20230822182604.GB11286@frogsfrogsfrogs>
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
||
Christoph Hellwig
|
560e20e4bf |
block: consolidate __invalidate_device and fsync_bdev
We currently have two interfaces that take a block_devices and the find a mounted file systems to flush or invaldidate data on it. Both are a bit problematic because they only work for the "main" block devices that is used as s_dev for the super_block, and because they don't call into the file system at all. Merge the two into a new bdev_mark_dead helper that does both the syncing and invalidation and which is properly documented. This is in preparation of merging the functionality into the ->mark_dead holder operation so that it will work on additional block devices used by a file systems and give us a single entry point for invalidation of dead devices or media. Note that a single standalone fsync_bdev call for an obscure ioctl remains for now, but that one will also be deal with in a bit. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Message-Id: <20230811100828.1897174-14-hch@lst.de> Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
|
Christoph Hellwig
|
2527fd3877 |
dasd: also call __invalidate_device when setting the device offline
Don't just write out the data, but also invalidate all caches when setting the device offline. Stop canceling the offlining when writeback fails as there is no way to recover from that anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Message-Id: <20230811100828.1897174-12-hch@lst.de> Signed-off-by: Christian Brauner <brauner@kernel.org> |
||
Greg Kroah-Hartman
|
642073c306 |
Merge commit b320441c04 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the serial-core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Tony Krowiak
|
f88fb13357 |
s390/vfio-ap: make sure nib is shared
Since the NIB is visible by HW, KVM and the (PV) guest it needs to be in non-secure or secure but shared storage. Return code 6 is used to indicate to a PV guest that its NIB would be on secure, unshared storage and therefore the NIB address is invalid. Unfortunately we have no easy way to check if a page is unshared after vfio_pin_pages() since it will automatically export an unshared page if the UV pin shared call did not succeed due to a page being in unshared state. Therefore we use the fact that UV pinning it a second time is a nop but trying to pin an exported page is an error (0x102). If we encounter this error, we do a vfio unpin and import the page again, since vfio_pin_pages() exported it. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-13-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
7847a19b5b |
s390/vfio-ap: check for TAPQ response codes 0x35 and 0x36
Check for response codes 0x35 and 0x36 which are asynchronous return codes indicating a failure of the guest to associate a secret with a queue. Since there can be no interaction with this queue from the guest (i.e., the vcpus are out of SIE for hot unplug, the guest is being shut down or an emulated subsystem reset of the guest is taking place), let's go ahead and re-issue the ZAPQ to reset and zeroize the queue. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Reviewed-by: Halil Pasic <pasic@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-10-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
e1f17f8ea9 |
s390/vfio-ap: handle queue state change in progress on reset
A new APQSW response code (0xA) indicating the designated queue is in the process of being bound or associated to a configuration may be returned from the PQAP(ZAPQ) command. This patch introduces code that will verify when the PQAP(ZAPQ) command can be re-issued after receiving response code 0xA. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-9-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
9261f04388 |
s390/vfio-ap: use work struct to verify queue reset
Instead of waiting to verify that a queue is reset in the vfio_ap_mdev_reset_queue function, let's use a wait queue to check the the state of the reset. This way, when resetting all of the queues assigned to a matrix mdev, we don't have to wait for each queue to be reset before initiating a reset on the next queue to be reset. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Suggested-by: Halil Pasic <pasic@linux.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-8-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
62aab082e9 |
s390/vfio-ap: store entire AP queue status word with the queue object
Store the entire AP queue status word returned from the ZAPQ command with the struct vfio_ap_queue object instead of just the response code field. The other information contained in the status word is need by the apq_reset_check function to display a proper message to indicate that the vfio_ap driver is waiting for the ZAPQ to complete because the queue is not empty or IRQs are still enabled. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-7-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
dd174833e4 |
s390/vfio-ap: remove upper limit on wait for queue reset to complete
The architecture does not define an upper limit on how long a queue reset (RAPQ/ZAPQ) can take to complete. In order to ensure both the security requirements and prevent resource leakage and corruption in the hypervisor, it is necessary to remove the upper limit (200ms) the vfio_ap driver currently waits for a reset to complete. This, of course, may result in a hang which is a less than desirable user experience, but until a firmware solution is provided, this is a necessary evil. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-6-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
c51f8c6bb5 |
s390/vfio-ap: allow deconfigured queue to be passed through to a guest
When a queue is reset, the status response code returned from the reset operation is stored in the reset_rc field of the vfio_ap_queue structure representing the queue being reset. This field is later used to decide whether the queue should be passed through to a guest. If the reset_rc field is a non-zero value, the queue will be filtered from the list of queues passed through. When an adapter is deconfigured, all queues associated with that adapter are reset. That being the case, it is not necessary to filter those queues; so, if the status response code returned from a reset operation indicates the queue is deconfigured, the reset_rc field of the vfio_ap_queue structure will be set to zero so it will be passed through (i.e., not filtered). Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-5-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
411b0109da |
s390/vfio-ap: wait for response code 05 to clear on queue reset
Response code 05, AP busy, is a valid response code for a ZAPQ or TAPQ. Instead of returning error -EIO when a ZAPQ fails with response code 05, let's wait until the queue is no longer busy and try the ZAPQ again. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-4-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
7aa7b2a80c |
s390/vfio-ap: clean up irq resources if possible
The architecture does not specify whether interrupts are disabled as part of the asynchronous reset or upon return from the PQAP/ZAPQ instruction. If, however, PQAP/ZAPQ completes with APQSW response code 0 and the interrupt bit in the status word is also 0, we know the interrupts are disabled and we can go ahead and clean up the corresponding resources; otherwise, we must wait until the asynchronous reset has completed. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Suggested-by: Halil Pasic <pasic@linux.ibm.com> Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> Acked-by: Halil Pasic <pasic@linux.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-3-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Tony Krowiak
|
680b7ddd7e |
s390/vfio-ap: no need to check the 'E' and 'I' bits in APQSW after TAPQ
After a ZAPQ is executed to reset a queue, if the queue is not empty or interrupts are still enabled, the vfio_ap driver will wait for the reset operation to complete by repeatedly executing the TAPQ instruction and checking the 'E' and 'I' bits in the APQSW to verify that the queue is empty and interrupts are disabled. This is unnecessary because it is sufficient to check only the response code in the APQSW. If the reset is still in progress, the response code will be 02; however, if the reset has completed successfully, the response code will be 00. Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Acked-by: Janosch Frank <frankja@linux.ibm.com> Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com> Link: https://lore.kernel.org/r/20230815184333.6554-2-akrowiak@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
Holger Dengler
|
386cb81e4b |
s390/zcrypt_ep11misc: support API ordinal 6 with empty pin-blob
Secure execution guest environments require an empty pinblob in all key generation and unwrap requests. Empty pinblobs are only available in EP11 API ordinal 6 or higher. Add an empty pinblob to key generation and unwrap requests, if the AP secure binding facility is available. In all other cases, stay with the empty pin tag (no pinblob) and the current API ordinals. The EP11 API ordinal also needs to be considered when the pkey module tries to figure out the list of eligible cards for key operations with protected keys in secure execution environment. These changes are transparent to userspace but required for running an secure execution guest with handling key generate and key derive (e.g. secure key to protected key) correct. Especially using EP11 secure keys with the kernel dm-crypt layer requires this patch. Co-developed-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Holger Dengler <dengler@linux.ibm.com> Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
|
Holger Dengler
|
b9352e4b9b |
s390/pkey: fix PKEY_TYPE_EP11_AES handling for sysfs attributes
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced a new PKEY_TYPE_EP11_AES securekey type as
a supplement to the existing PKEY_TYPE_EP11 (which won't work in
environments with session-bound keys). The pkey EP11 securekey
attributes use PKEY_TYPE_EP11_AES (instead of PKEY_TYPE_EP11)
keyblobs, to make the generated keyblobs usable also in environments,
where session-bound keys are required.
There should be no negative impacts to userspace because the internal
structure of the keyblobs is opaque. The increased size of the
generated keyblobs is reflected by the changed size of the attributes.
Fixes:
|
||
|
Holger Dengler
|
745742dbca |
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_VERIFYKEY2 IOCTL
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced a new PKEY_TYPE_EP11_AES type for the
PKEY_VERIFYKEY2 IOCTL to verify keyblobs of this type. Unfortunately,
all PKEY_VERIFYKEY2 IOCTL requests with keyblobs of this type return
with an error (-EINVAL). Fix PKEY_TYPE_EP11_AES handling in
PKEY_VERIFYKEY2 IOCTL, so that userspace can verify keyblobs of this
type.
Fixes:
|
||
|
Holger Dengler
|
d1fdfb0b2f |
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_KBLOB2PROTK[23]
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced a new PKEY_TYPE_EP11_AES type for the
PKEY_KBLOB2PROTK2 and a new IOCTL, PKEY_KBLOB2PROTK3, which both
allows userspace to convert opaque securekey blobs of this type into
protectedkey blobs. Unfortunately, all PKEY_KBLOB2PROTK2 and
PKEY_KBLOB2PROTK3 IOCTL requests with this keyblobs of this type
return with an error (-EINVAL). Fix PKEY_TYPE_EP11_AES handling in
PKEY_KBLOB2PROTK2 and PKEY_KBLOB2PROTK3 IOCTLs, so that userspace can
convert PKEY_TYPE_EP11_AES keyblobs into protectedkey blobs.
Add a helper function to decode the start and size of the internal
header as well as start and size of the keyblob payload of an existing
keyblob. Also validate the length of header and keyblob, as well as
the keyblob magic.
Introduce another helper function, which handles a raw key wrapping
request and do the keyblob decoding in the calling function. Remove
all other header-related calculations.
Fixes:
|
||
|
Holger Dengler
|
da2863f159 |
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_CLR2SECK2 IOCTL
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced PKEY_TYPE_EP11_AES for the PKEY_CLR2SECK2
IOCTL to convert an AES clearkey into a securekey of this type.
Unfortunately, all PKEY_CLR2SECK2 IOCTL requests with type
PKEY_TYPE_EP11_AES return with an error (-EINVAL). Fix the handling
for PKEY_TYPE_EP11_AES in PKEY_CLR2SECK2 IOCTL, so that userspace can
convert clearkey blobs into PKEY_TYPE_EP11_AES securekey blobs.
Cc: stable@vger.kernel.org # v5.10+
Fixes:
|
||
|
Holger Dengler
|
fb249ce7f7 |
s390/pkey: fix PKEY_TYPE_EP11_AES handling in PKEY_GENSECK2 IOCTL
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced PKEY_TYPE_EP11_AES for the PKEY_GENSECK2
IOCTL, to enable userspace to generate securekey blobs of this
type. Unfortunately, all PKEY_GENSECK2 IOCTL requests for
PKEY_TYPE_EP11_AES return with an error (-EINVAL). Fix the handling
for PKEY_TYPE_EP11_AES in PKEY_GENSECK2 IOCTL, so that userspace can
generate securekey blobs of this type.
The start of the header and the keyblob, as well as the length need
special handling, depending on the internal keyversion. Add a helper
function that splits an uninitialized buffer into start and size of
the header as well as start and size of the payload, depending on the
requested keyversion.
Do the header-related calculations and the raw genkey request handling
in separate functions. Use the raw genkey request function for
internal purposes.
Fixes:
|
||
|
Holger Dengler
|
37a08f010b |
s390/pkey: fix/harmonize internal keyblob headers
Commit 'fa6999e326fe ("s390/pkey: support CCA and EP11 secure ECC
private keys")' introduced PKEY_TYPE_EP11_AES as a supplement to
PKEY_TYPE_EP11. All pkeys have an internal header/payload structure,
which is opaque to the userspace. The header structures for
PKEY_TYPE_EP11 and PKEY_TYPE_EP11_AES are nearly identical and there
is no reason, why different structures are used. In preparation to fix
the keyversion handling in the broken PKEY IOCTLs, the same header
structure is used for PKEY_TYPE_EP11 and PKEY_TYPE_EP11_AES. This
reduces the number of different code paths and increases the
readability.
Fixes:
|
||
|
Gerald Schaefer
|
c8f40a0bcc |
s390/dcssblk: fix kernel crash with list_add corruption
Commit |
||
Linus Walleij
|
2d1494fb31 |
s390/mm: make virt_to_pfn() a static inline
Making virt_to_pfn() a static inline taking a strongly typed (const void *) makes the contract of a passing a pointer of that type to the function explicit and exposes any misuse of the macro virt_to_pfn() acting polymorphic and accepting many types such as (void *), (unitptr_t) or (unsigned long) as arguments without warnings. For symmetry do the same with pfn_to_virt() reflecting the current layout in asm-generic/page.h. Doing this reveals a number of offenders in the arch code and the S390-specific drivers, so just bite the bullet and fix up all of those as well. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com> Link: https://lore.kernel.org/r/20230812-virt-to-phys-s390-v2-1-6c40f31fe36f@linaro.org Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
||
Jiri Slaby (SUSE)
|
95713967ba |
tty: make tty_operations::write()'s count size_t
Unify with the rest of the code. Use size_t for counts and ssize_t for retval. Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20230810091510.13006-30-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Jiri Slaby (SUSE)
|
dcaafbe6ee |
tty: propagate u8 data to tty_operations::put_char()
Data are now typed as u8. Propagate this change to tty_operations::put_char(). Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Slaby <jirislaby@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Mathias Nyman <mathias.nyman@intel.com> Link: https://lore.kernel.org/r/20230810091510.13006-29-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Jiri Slaby (SUSE)
|
69851e4ab8 |
tty: propagate u8 data to tty_operations::write()
Data are now typed as u8. Propagate this change to tty_operations::write(). Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> Cc: Richard Henderson <richard.henderson@linaro.org> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Richard Weinberger <richard@nod.at> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Vaibhav Gupta <vaibhavgupta40@gmail.com> Cc: Jens Taprogge <jens.taprogge@taprogge.org> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Scott Branden <scott.branden@broadcom.com> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Alexander Gordeev <agordeev@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: David Lin <dtwlin@gmail.com> Cc: Johan Hovold <johan@kernel.org> Cc: Alex Elder <elder@kernel.org> Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com> Cc: Jiri Kosina <jikos@kernel.org> Cc: David Sterba <dsterba@suse.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: Fabio Estevam <festevam@gmail.com> Cc: NXP Linux Team <linux-imx@nxp.com> Cc: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com> Cc: Oliver Neukum <oneukum@suse.com> Cc: Mathias Nyman <mathias.nyman@intel.com> Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Johan Hedberg <johan.hedberg@gmail.com> Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com> Link: https://lore.kernel.org/r/20230810091510.13006-28-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Jakub Kicinski
|
35b1b1fd96 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: net/dsa/port.c |
||
|
Linus Torvalds
|
999f663186 |
Including fixes from bpf and wireless.
Nothing scary here. Feels like the first wave of regressions
from v6.5 is addressed - one outstanding fix still to come
in TLS for the sendpage rework.
Current release - regressions:
- udp: fix __ip_append_data()'s handling of MSG_SPLICE_PAGES
- dsa: fix older DSA drivers using phylink
Previous releases - regressions:
- gro: fix misuse of CB in udp socket lookup
- mlx5: unregister devlink params in case interface is down
- Revert "wifi: ath11k: Enable threaded NAPI"
Previous releases - always broken:
- sched: cls_u32: fix match key mis-addressing
- sched: bind logic fixes for cls_fw, cls_u32 and cls_route
- add bound checks to a number of places which hand-parse netlink
- bpf: disable preemption in perf_event_output helpers code
- qed: fix scheduling in a tasklet while getting stats
- avoid using APIs which are not hardirq-safe in couple of drivers,
when we may be in a hard IRQ (netconsole)
- wifi: cfg80211: fix return value in scan logic, avoid page
allocator warning
- wifi: mt76: mt7615: do not advertise 5 GHz on first PHY
of MT7615D (DBDC)
Misc:
- drop handful of inactive maintainers, put some new in place
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and wireless.
Nothing scary here. Feels like the first wave of regressions from v6.5
is addressed - one outstanding fix still to come in TLS for the
sendpage rework.
Current release - regressions:
- udp: fix __ip_append_data()'s handling of MSG_SPLICE_PAGES
- dsa: fix older DSA drivers using phylink
Previous releases - regressions:
- gro: fix misuse of CB in udp socket lookup
- mlx5: unregister devlink params in case interface is down
- Revert "wifi: ath11k: Enable threaded NAPI"
Previous releases - always broken:
- sched: cls_u32: fix match key mis-addressing
- sched: bind logic fixes for cls_fw, cls_u32 and cls_route
- add bound checks to a number of places which hand-parse netlink
- bpf: disable preemption in perf_event_output helpers code
- qed: fix scheduling in a tasklet while getting stats
- avoid using APIs which are not hardirq-safe in couple of drivers,
when we may be in a hard IRQ (netconsole)
- wifi: cfg80211: fix return value in scan logic, avoid page
allocator warning
- wifi: mt76: mt7615: do not advertise 5 GHz on first PHY of MT7615D
(DBDC)
Misc:
- drop handful of inactive maintainers, put some new in place"
* tag 'net-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (98 commits)
MAINTAINERS: update TUN/TAP maintainers
test/vsock: remove vsock_perf executable on `make clean`
tcp_metrics: fix data-race in tcpm_suck_dst() vs fastopen
tcp_metrics: annotate data-races around tm->tcpm_net
tcp_metrics: annotate data-races around tm->tcpm_vals[]
tcp_metrics: annotate data-races around tm->tcpm_lock
tcp_metrics: annotate data-races around tm->tcpm_stamp
tcp_metrics: fix addr_same() helper
prestera: fix fallback to previous version on same major version
udp: Fix __ip_append_data()'s handling of MSG_SPLICE_PAGES
net/mlx5e: Set proper IPsec source port in L4 selector
net/mlx5: fs_core: Skip the FTs in the same FS_TYPE_PRIO_CHAINS fs_prio
net/mlx5: fs_core: Make find_closest_ft more generic
wifi: brcmfmac: Fix field-spanning write in brcmf_scan_params_v2_to_v1()
vxlan: Fix nexthop hash size
ip6mr: Fix skb_under_panic in ip6mr_cache_report()
s390/qeth: Don't call dev_close/dev_open (DOWN/UP)
net: tap_open(): set sk_uid from current_fsuid()
net: tun_chr_open(): set sk_uid from current_fsuid()
net: dcb: choose correct policy to parse DCB_ATTR_BCN
...
|
||
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Linus Torvalds
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79d65ee53b |
SCSI fixes on 20230731
Three small fixes, all in drivers. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCZMffbCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishbQwAP443iHJ QxObdOIAoB0eQLtXlmmgS/TkSGjIu278qIsfSQEAzagC4bNt7RXzY1b61tz/OgFW sqsoEXGE6PBAbpj0FWk= =e77e -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three small fixes, all in drivers" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: pm80xx: Fix error return code in pm8001_pci_probe() scsi: zfcp: Defer fc_rport blocking until after ADISC response scsi: storvsc: Limit max_sectors for virtual Fibre Channel devices |
||
Alexandra Winter
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1cfef80d4c |
s390/qeth: Don't call dev_close/dev_open (DOWN/UP)
dev_close() and dev_open() are issued to change the interface state to DOWN
or UP (dev->flags IFF_UP). When the netdev is set DOWN it loses e.g its
Ipv6 addresses and routes. We don't want this in cases of device recovery
(triggered by hardware or software) or when the qeth device is set
offline.
Setting a qeth device offline or online and device recovery actions call
netif_device_detach() and/or netif_device_attach(). That will reset or
set the LOWER_UP indication i.e. change the dev->state Bit
__LINK_STATE_PRESENT. That is enough to e.g. cause bond failovers, and
still preserves the interface settings that are handled by the network
stack.
Don't call dev_open() nor dev_close() from the qeth device driver. Let the
network stack handle this.
Fixes:
|
||
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Linus Torvalds
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818680d154 |
block-6.5-2023-07-28
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Merge tag 'block-6.5-2023-07-28' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"A few fixes that should go into the current kernel release, mainly:
- Set of fixes for dasd (Stefan)
- Handle interruptible waits returning because of a signal for ublk
(Ming)"
* tag 'block-6.5-2023-07-28' of git://git.kernel.dk/linux:
ublk: return -EINTR if breaking from waiting for existed users in DEL_DEV
ublk: fail to recover device if queue setup is interrupted
ublk: fail to start device if queue setup is interrupted
block: Fix a source code comment in include/uapi/linux/blkzoned.h
s390/dasd: print copy pair message only for the correct error
s390/dasd: fix hanging device after request requeue
s390/dasd: use correct number of retries for ERP requests
s390/dasd: fix hanging device after quiesce/resume
|
||
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Jakub Kicinski
|
014acf2668 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Alexandra Winter
|
8540336ada |
s390/lcs: Remove FDDI option
The last s390 machine that supported FDDI was z900 ('7th generation',
released in 2000). The oldest machine generation currently supported by
the Linux kernel is MARCH_Z10 (released 2008). If there is still a usecase
for connecting a Linux on s390 instance to a LAN Channel Station (LCS), it
can only do so via Ethernet.
Randy Dunlap[1] found that LCS over FDDI has never worked, when FDDI
was compiled as module. Instead of fixing that, remove the FDDI option
from the lcs driver.
While at it, make the CONFIG_LCS description a bit more helpful.
References:
[1] https://lore.kernel.org/netdev/20230621213742.8245-1-rdunlap@infradead.org/
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230724131546.3597001-1-wintera@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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||
Steffen Maier
|
e658519890 |
scsi: zfcp: Defer fc_rport blocking until after ADISC response
Storage devices are free to send RSCNs, e.g. for internal state changes. If
this happens on all connected paths, zfcp risks temporarily losing all
paths at the same time. This has strong requirements on multipath
configuration such as "no_path_retry queue".
Avoid such situations by deferring fc_rport blocking until after the ADISC
response, when any actual state change of the remote port became clear.
The already existing port recovery triggers explicitly block the fc_rport.
The triggers are: on ADISC reject or timeout (typical cable pull case), and
on ADISC indicating that the remote port has changed its WWPN or
the port is meanwhile no longer open.
As a side effect, this also removes a confusing direct function call to
another work item function zfcp_scsi_rport_work() instead of scheduling
that other work item. It was probably done that way to have the rport block
side effect immediate and synchronous to the caller.
Fixes:
|
||
Yi Liu
|
8cfa718602 |
vfio-iommufd: Add detach_ioas support for emulated VFIO devices
This prepares for adding DETACH ioctl for emulated VFIO devices. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Tested-by: Terrence Xu <terrence.xu@intel.com> Tested-by: Nicolin Chen <nicolinc@nvidia.com> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com> Tested-by: Yanting Jiang <yanting.jiang@intel.com> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Link: https://lore.kernel.org/r/20230718135551.6592-16-yi.l.liu@intel.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
||
Stefan Haberland
|
856d8e3c63 |
s390/dasd: print copy pair message only for the correct error
The DASD driver has certain types of requests that might be rejected by
the storage server or z/VM because they are not supported. Since the
missing support of the command is not a real issue there is no user
visible kernel error message for this.
For copy pair setups there is a specific error that IO is not allowed on
secondary devices. This error case is explicitly handled and an error
message is printed.
The code checking for the error did use a bitwise 'and' that is used to
check for specific bits. But in this case the whole sense byte has to
match.
This leads to the problem that the copy pair related error message is
erroneously printed for other error cases that are usually not reported.
This might heavily confuse users and lead to follow on actions that might
disrupt application processing.
Fix by checking the sense byte for the exact value and not single bits.
Cc: stable@vger.kernel.org # 6.1+
Fixes:
|