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In preparation for factoring out some backing file io helpers from
overlayfs, move backing_file_open() into a new file fs/backing-file.c
and header.
Add a MAINTAINERS entry for stackable filesystems and add a Kconfig
FS_STACK which stackable filesystems need to select.
For now, the backing_file struct, the backing_file alloc/free functions
and the backing_file_real_path() accessor remain internal to file_table.c.
We may change that in the future.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
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An alignment of 4 bytes is wrong for 64-bit platforms which don't define
CONFIG_HAVE_ARCH_PREL32_RELOCATIONS (which then store 64-bit pointers).
Fix their alignment to 8 bytes.
Fixes: ddb5cdbafaaa ("kbuild: generate KSYMTAB entries by modpost")
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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Remove the @removable: line to prevent the kernel-doc warning:
include/linux/usb.h:732: warning: Excess struct member 'removable' description in 'usb_device'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Link: https://lore.kernel.org/r/20231223050636.14022-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the @knode_class: line to prevent the kernel-doc warning:
include/linux/device.h:807: warning: Excess struct member 'knode_class' description in 'device'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20231223050532.13881-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the @p: lines to prevent the kernel-doc warning:
include/linux/device/class.h:72: warning: Excess struct member 'p' description in 'class'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/20231223050522.13867-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove documentation for nonexistent structure members, addressing these
warnings:
./include/linux/skbuff.h:1063: warning: Excess struct member 'sp' description in 'sk_buff'
./include/linux/skbuff.h:1063: warning: Excess struct member 'nf_bridge' description in 'sk_buff'
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The latency is calculated by dividing the flit size over the bandwidth. Add
support to retrieve the flit size for the CXL switch device and calculate
the latency of the PCIe link. Cache the latency number with cxl_dport.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/170319621931.2212653.6800240203604822886.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Add helper to retrieve the performance attributes based on the device
handle. The helper function is exported so the CXL driver can use that
to acquire the performance data between the CPU and the CXL host bridge.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/170319618721.2212653.5552947472849081786.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams suggested changing the struct 'node_hmem_attrs' to
'access_coordinates' [1]. The struct is a container of r/w-latency and
r/w-bandwidth numbers. Moving forward, this container will also be used by
CXL to store the performance characteristics of each link hop in
the PCIE/CXL topology. So, where node_hmem_attrs is just the access
parameters of a memory-node, access_coordinates applies more broadly
to hardware topology characteristics. The observation is that seemed like
an exercise in having the application identify "where" it falls on a
spectrum of bandwidth and latency needs. For the tuple of
read/write-latency and read/write-bandwidth, "coordinates" is not a perfect
fit. Sometimes it is just conveying values in isolation and not a
"location" relative to other performance points, but in the end this data
is used to identify the performance operation point of a given memory-node.
[2]
Link: http://lore.kernel.org/r/64471313421f7_1b66294d5@dwillia2-xfh.jf.intel.com.notmuch/
Link: https://lore.kernel.org/linux-cxl/645e6215ee0de_1e6f2945e@dwillia2-xfh.jf.intel.com.notmuch/
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/170319615734.2212653.15319394025985499185.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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The CDAT table is very similar to ACPI tables when it comes to sub-table
and entry structures. The helper functions can be also used to parse the
CDAT table. Add support to the helper functions to deal with an external
CDAT table, and also handle the endieness since CDAT can be processed by a
BE host. Export a function cdat_table_parse() for CXL driver to parse
a CDAT table.
In order to minimize ACPICA code changes, __force is being utilized to deal
with the case of a big endian (BE) host parsing a CDAT. All CDAT data
structure variables are being force casted to __leX as appropriate.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Len Brown <lenb@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/170319615131.2212653.10932785667981494238.stgit@djiang5-mobl3
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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commit 41fa722239b4 ("blk-mq: do not include passthrough requests in I/O
accounting")' disables I/O accounting for passthrough requests. Since tools
like 'iostat' do not show anything useful for passthrough I/O, it's
wasteful to do start/end time-stamping. So do away with that.
Avoiding the time-stamping improves the I/O performance by ~7%
Signed-off-by: Kundan Kumar <kundan.kumar@samsung.com>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20231222101707.6921-1-kundan.kumar@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
intel: use bitfield operations
Jesse Brandeburg says:
After repeatedly getting review comments on new patches, and sporadic
patches to fix parts of our drivers, we should just convert the Intel code
to use FIELD_PREP() and FIELD_GET(). It's then "common" in the code and
hopefully future change-sets will see the context and do-the-right-thing.
This conversion was done with a coccinelle script which is mentioned in the
commit messages. Generally there were only a couple conversions that were
"undone" after the automatic changes because they tried to convert a
non-contiguous mask.
Patch 1 is required at the beginning of this series to fix a "forever"
issue in the e1000e driver that fails the compilation test after conversion
because the shift / mask was out of range.
The second patch just adds all the new #includes in one go.
The patch titled: "ice: fix pre-shifted bit usage" is needed to allow the
use of the FIELD_* macros and fix up the unexpected "shifts included"
defines found while creating this series.
The rest are the conversion to use FIELD_PREP()/FIELD_GET(), and the
occasional leXX_{get,set,encode}_bits() call, as suggested by Alex.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Raw NAND
The most meaningful change being the conversion of the brcmnand driver
to the ->exec_op() API, this series brought additional changes to the
core in order to help controller drivers to handle themselves the WP pin
during destructive operations when relevant.
As always, there is as well a whole bunch of miscellaneous W=1 fixes,
together with a few runtime fixes (double free, timeout value, OOB
layout, missing register initialization) and the usual load of remove
callbacks turned into void (which led to switch the txx9ndfmc driver to
use module_platform_driver()).
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The ONFI specification states that devices do not need to support
sequential reads across LUN boundaries. In order to prevent such event
from happening and possibly failing, let's introduce the concept of
"pause" in the sequential read to handle these cases. The first/last
pages remain the same but any time we cross a LUN boundary we will end
and restart (if relevant) the sequential read operation.
Cc: stable@vger.kernel.org
Fixes: 003fe4b9545b ("mtd: rawnand: Support for sequential cache reads")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Tested-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/linux-mtd/20231215123208.516590-2-miquel.raynal@bootlin.com
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers
RISC-V SoC drivers for v6.8
There's only one set of changes here, the addition of "Auto Update"
support for PolarFire SoC. Auto Update is one of the ways that the FPGA
bitstream can be updated, and the only one suitable for use from Linux
as it does not immediately initiate a reboot when started.
The driver was not accepted in the FPGA manager subsystem as the update
only occurs after a reboot and makes no use of the FPGA manager
framework.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
MAINTAINERS: add auto-update driver to mpfs entry
firmware: microchip: Replace of_device.h with explicit include
firmware: microchip: add PolarFire SoC Auto Update support
soc: microchip: mpfs: add auto-update subdev to system controller
soc: microchip: mpfs: print service status in warning message
soc: microchip: mpfs: enable access to the system controller's flash
dt-bindings: soc: microchip: add a property for system controller flash
firmware_loader: Expand Firmware upload error codes with firmware invalid error
Link: https://lore.kernel.org/r/20231221-droop-unblock-81e4fe14acee@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux into soc/drivers
MediaTek soc driver updates for v6.8
This adds a refactoring of the MediaTek Smart Voltage Scaling (SVS)
driver and the addition of support for MT8186 and MT8195 in it, and
adds support for the MT8188 VDOSYS and resets in the MMSYS driver.
* tag 'mtk-soc-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/mediatek/linux: (24 commits)
soc: mediatek: mtk-svs: Constify runtime-immutable members of svs_bank
soc: mediatek: mtk-svs: Use ULONG_MAX to compare floor frequency
soc: mediatek: mtk-svs: Check if SVS mode is available in the beginning
soc: mediatek: mtk-svs: Cleanup of svs_probe() function
soc: mediatek: mtk-svs: Compress of_device_id entries
soc: mediatek: mtk-svs: Remove redundant print in svs_get_efuse_data
soc: mediatek: mtk-svs: Commonize MT8192 probe function for MT8186
soc: mediatek: mtk-svs: Drop supplementary svs per-bank pointer
soc: mediatek: mtk-svs: Commonize efuse parse function for most SoCs
soc: mediatek: mtk-svs: Move t-calibration-data retrieval to svs_probe()
soc: mediatek: mtk-svs: Add SVS-Thermal coefficient to SoC platform data
soc: mediatek: mtk-svs: Add a map to retrieve fused values
soc: mediatek: mtk-svs: Change the thermal sensor device name
soc: mediatek: mtk-svs: Reduce memory footprint of struct svs_bank
soc: mediatek: mtk-svs: Build bank name string dynamically
soc: mediatek: mtk-svs: Convert sw_id and type to enumerations
soc: mediatek: mtk-svs: Subtract offset from regs_v2 to avoid conflict
soc: mediatek: Add MT8188 VDOSYS reset bit map
soc: mediatek: Support reset bit mapping in mmsys driver
soc: mediatek: Support MT8188 VDOSYS1 Padding in mtk-mmsys
...
Link: https://lore.kernel.org/r/20231212114515.121695-2-angelogioacchino.delregno@collabora.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.linaro.org/people/jens.wiklander/linux-tee into soc/drivers
OP-TEE add reserved system thread
Add support for a reserved system thread in the SMC-ABI of the OP-TEE driver.
SCMI with OP-TEE transport uses this to guarantee that it will always have
a thread available in the secure world.
* tag 'system-thread-for-v6.8' of https://git.linaro.org/people/jens.wiklander/linux-tee:
firmware: arm_scmi: optee: use optee system invocation
tee: optee: support tracking system threads
tee: system session
tee: optee: system thread call property
Link: https://lore.kernel.org/r/20231211102600.GA571787@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into drm-next
This tag contains habanalabs driver changes for v6.8.
The notable changes are:
- uAPI changes:
- Add sysfs entry to allow users to identify a device minor id with its
debugfs path
- Add sysfs entry to expose the device's module id as given to us from
the f/w
- Add signed device information retrieval through the INFO ioctl
- New features and improvements:
- Update documentation of debugfs paths
- Add support for Gaudi2C device (new PCI revision number)
- Add pcie reset prepare/done hooks
- Firmware related fixes and changes:
- Print three instances version numbers of Infineon second stage
- Assume hard-reset is done by f/w upon PCIe AXI drain
- Bug fixes and code cleanups:
- Fix information leak in sec_attest_info()
- Avoid overriding existing undefined opcode data in Gaudi2
- Multiple Queue Manager (QMAN) fixes for Gaudi2
- Set hard reset flag if graceful reset is skipped
- Remove 'get temperature' debug print
- Fix the new Event Queue heartbeat mechanism
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Oded Gabbay <ogabbay@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/ZYFpihZscr/fsRRd@ogabbay-vm-u22.habana-labs.com
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To allow inlining of syscall_enter_from_user_mode(), move it
to entry-common.h.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20231218074520.1998026-4-svens@linux.ibm.com
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To allow inlining of enter_from_user_mode(), move it to
entry-common.h.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20231218074520.1998026-3-svens@linux.ibm.com
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To allow inlining, move exit_to_user_mode() to
entry-common.h.
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20231218074520.1998026-2-svens@linux.ibm.com
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Cross-merge networking fixes after downstream PR.
Adjacent changes:
drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
23c93c3b6275 ("bnxt_en: do not map packet buffers twice")
6d1add95536b ("bnxt_en: Modify TX ring indexing logic.")
tools/testing/selftests/net/Makefile
2258b666482d ("selftests: add vlan hw filter tests")
a0bc96c0cd6e ("selftests: net: verify fq per-band packet limit")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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UHB AP send supported power type(LPI, SP, VLP)
in beacon and probe response IE and STA should
connect to these AP only if their regulatory support
the AP power type.
Beacon/Probe response are reported to userspace
with reason "STA regulatory not supporting to connect to AP
based on transmitted power type" and it should
not connect to AP.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231220133549.cbfbef9170a9.I432f78438de18aa9f5c9006be12e41dc34cc47c5@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The sentence "this call will fail if the module is already being
removed" is potentially confusing and may contradict the rest of the
documentation. If one tries to get a module that has already been
removed using a stale pointer, the kernel will crash.
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull AFS fixes from David Howells:
"Improve the interaction of arbitrary lookups in the AFS dynamic root
that hit DNS lookup failures [1] where kafs behaves differently from
openafs and causes some applications to fail that aren't expecting
that. Further, negative DNS results aren't getting removed and are
causing failures to persist.
- Always delete unused (particularly negative) dentries as soon as
possible so that they don't prevent future lookups from retrying.
- Fix the handling of new-style negative DNS lookups in ->lookup() to
make them return ENOENT so that userspace doesn't get confused when
stat succeeds but the following open on the looked up file then
fails.
- Fix key handling so that DNS lookup results are reclaimed almost as
soon as they expire rather than sitting round either forever or for
an additional 5 mins beyond a set expiry time returning
EKEYEXPIRED. They persist for 1s as /bin/ls will do a second stat
call if the first fails"
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216637 [1]
Reviewed-by: Jeffrey Altman <jaltman@auristor.com>
* tag 'afs-fixes-20231221' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys, dns: Allow key types (eg. DNS) to be reclaimed immediately on expiry
afs: Fix dynamic root lookup DNS check
afs: Fix the dynamic root's d_delete to always delete unused dentries
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from WiFi and bpf.
Current release - regressions:
- bpf: syzkaller found null ptr deref in unix_bpf proto add
- eth: i40e: fix ST code value for clause 45
Previous releases - regressions:
- core: return error from sk_stream_wait_connect() if sk_wait_event()
fails
- ipv6: revert remove expired routes with a separated list of routes
- wifi rfkill:
- set GPIO direction
- fix crash with WED rx support enabled
- bluetooth:
- fix deadlock in vhci_send_frame
- fix use-after-free in bt_sock_recvmsg
- eth: mlx5e: fix a race in command alloc flow
- eth: ice: fix PF with enabled XDP going no-carrier after reset
- eth: bnxt_en: do not map packet buffers twice
Previous releases - always broken:
- core:
- check vlan filter feature in vlan_vids_add_by_dev() and
vlan_vids_del_by_dev()
- check dev->gso_max_size in gso_features_check()
- mptcp: fix inconsistent state on fastopen race
- phy: skip LED triggers on PHYs on SFP modules
- eth: mlx5e:
- fix double free of encap_header
- fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list()"
* tag 'net-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
net: check dev->gso_max_size in gso_features_check()
kselftest: rtnetlink.sh: use grep_fail when expecting the cmd fail
net/ipv6: Revert remove expired routes with a separated list of routes
net: avoid build bug in skb extension length calculation
net: ethernet: mtk_wed: fix possible NULL pointer dereference in mtk_wed_wo_queue_tx_clean()
net: stmmac: fix incorrect flag check in timestamp interrupt
selftests: add vlan hw filter tests
net: check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev()
net: hns3: add new maintainer for the HNS3 ethernet driver
net: mana: select PAGE_POOL
net: ks8851: Fix TX stall caused by TX buffer overrun
ice: Fix PF with enabled XDP going no-carrier after reset
ice: alter feature support check for SRIOV and LAG
ice: stop trashing VF VSI aggregator node ID information
mailmap: add entries for Geliang Tang
mptcp: fill in missing MODULE_DESCRIPTION()
mptcp: fix inconsistent state on fastopen race
selftests: mptcp: join: fix subflow_send_ack lookup
net: phy: skip LED triggers on PHYs on SFP modules
bpf: Add missing BPF_LINK_TYPE invocations
...
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If a key has an expiration time, then when that time passes, the key is
left around for a certain amount of time before being collected (5 mins by
default) so that EKEYEXPIRED can be returned instead of ENOKEY. This is a
problem for DNS keys because we want to redo the DNS lookup immediately at
that point.
Fix this by allowing key types to be marked such that keys of that type
don't have this extra period, but are reclaimed as soon as they expire and
turn this on for dns_resolver-type keys. To make this easier to handle,
key->expiry is changed to be permanent if TIME64_MAX rather than 0.
Furthermore, give such new-style negative DNS results a 1s default expiry
if no other expiry time is set rather than allowing it to stick around
indefinitely. This shouldn't be zero as ls will follow a failing stat call
immediately with a second with AT_SYMLINK_NOFOLLOW added.
Fixes: 1a4240f4764a ("DNS: Separate out CIFS DNS Resolver code")
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Markus Suvanto <markus.suvanto@gmail.com>
cc: Wang Lei <wang840925@gmail.com>
cc: Jeff Layton <jlayton@redhat.com>
cc: Steve French <smfrench@gmail.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Jarkko Sakkinen <jarkko@kernel.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: linux-afs@lists.infradead.org
cc: linux-cifs@vger.kernel.org
cc: linux-nfs@vger.kernel.org
cc: ceph-devel@vger.kernel.org
cc: keyrings@vger.kernel.org
cc: netdev@vger.kernel.org
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Now that the driver core can properly handle constant struct bus_type,
move the container_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Link: https://lore.kernel.org/r/2023121919-chatter-grumbling-9ef3@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The functions subsys_register() and subsys_virtual_register() should be
taking a constant pointer to a struct bus_type, as they do not actually
modify anything in it, so fix up the function definitions to do so
properly.
This also changes the pointer type in struct subsys_interface to be
constant as well, as again, that's the proper signature of it.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/2023121908-grove-genetics-f8af@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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For some reason, during the big "clean up the driver core for a const
struct bus_type" work, the bus_sort_breadthfirst() call was missed. Fix
this up by changing the type to be a const * as it should be.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/2023121935-stinking-ditzy-fd5d@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Bring in the changes to the file infrastructure for this cycle. Mostly
cleanups and some performance tweaks.
* file: remove __receive_fd()
* file: stop exposing receive_fd_user()
* fs: replace f_rcuhead with f_task_work
* file: remove pointless wrapper
* file: s/close_fd_get_file()/file_close_fd()/g
* Improve __fget_files_rcu() code generation (and thus __fget_light())
* file: massage cleanup of files that failed to open
Signed-off-by: Christian Brauner <brauner@kernel.org>
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/proc/pid/maps shows device and inode numbers of vma->vm_file-s. Here is
an issue. If a mapped file is on a stackable file system (e.g.,
overlayfs), vma->vm_file is a backing file whose f_inode is on the
underlying filesystem. To show correct numbers, we need to get a user
file and shows its numbers. The same trick is used to show file paths in
/proc/pid/maps.
Cc: Alexander Mikhalitsyn <alexander@mihalicyn.com>
Suggested-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Andrei Vagin <avagin@google.com>
Link: https://lore.kernel.org/r/20231214064439.1023011-1-avagin@google.com
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The buffer-dma code was using two queues, incoming and outgoing, to
manage the state of the blocks in use.
While this totally works, it adds some complexity to the code,
especially since the code only manages 2 blocks. It is much easier to
just check each block's state manually, and keep a counter for the next
block to dequeue.
Since the new DMABUF based API wouldn't use the outgoing queue anyway,
getting rid of it now makes the upcoming changes simpler.
With this change, the IIO_BLOCK_STATE_DEQUEUED is now useless, and can
be removed.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20231219175009.65482-2-paul@crapouillou.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-12-21
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net* tree.
We've added 3 non-merge commits during the last 5 day(s) which contain
a total of 4 files changed, 45 insertions(+).
The main changes are:
1) Fix a syzkaller splat which triggered an oob issue in bpf_link_show_fdinfo(),
from Jiri Olsa.
2) Fix another syzkaller-found issue which triggered a NULL pointer dereference
in BPF sockmap for unconnected unix sockets, from John Fastabend.
bpf-for-netdev
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Add missing BPF_LINK_TYPE invocations
bpf: sockmap, test for unconnected af_unix sock
bpf: syzkaller found null ptr deref in unix_bpf proto add
====================
Link: https://lore.kernel.org/r/20231221104844.1374-1-daniel@iogearbox.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1 into char-misc-next
Krzysztof writes:
1-Wire bus drivers for v6.8
1. Add new AMD AXI 1-wire host driver for AMD programmable logic IP
core.
2. Add support for Analog Devices DS28EC20 EEPROM to existing DS2433
driver.
3. Few cleanups in W1 GPIO driver.
* tag 'w1-drv-6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-w1:
w1: ds2433: add support for ds28ec20 eeprom
w1: ds2433: use the kernel bitmap implementation
w1: ds2433: introduce a configuration structure
w1: ds2433: remove unused definitions
w1: ds2490: support block sizes larger than 128 bytes in ds_read_block
w1: amd_axi_w1: Explicitly include correct DT includes
w1: gpio: rename pointer to driver data from pdata to ddata
w1: gpio: Drop unused enable_external_pullup from driver data
w1: gpio: Don't use platform data for driver data
w1: Add AXI 1-wire host driver for AMD programmable logic IP core
dt-bindings: w1: Add AMD AXI w1 host and MAINTAINERS entry
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Add management PF modules, which introduce support for the structures
needed to create the resources for the MGMT PF to work.
Also, add the necessary calls and functions to establish this
functionality.
Signed-off-by: Armen Ratner <armeng@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Daniel Jurgens <danielj@nvidia.com>
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Have an actual mlx5_sd instance in the core device, and fix the getter
accordingly. This allows SD stuff to flow, the feature becomes supported
only here.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The sd_group field moved in the HW spec from the MPIR register
to the vport context.
Align the query accordingly.
Fixes: f5e956329960 ("net/mlx5: Expose Management PCIe Index Register (MPIR)")
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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The cited commit moved the code of mlx5e_create_tises() and changed the
loop to create TISes over MLX5_MAX_PORTS constant value, instead of
getting the correct lag ports supported by the device, which can cause
FW errors on devices with less than MLX5_MAX_PORTS ports.
Change that back to mlx5e_get_num_lag_ports(mdev).
Also IPoIB interfaces create there own TISes, they don't use the eth
TISes, pass a flag to indicate that.
Fixes: b25bd37c859f ("net/mlx5: Move TISes from priv to mdev HW resources")
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
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We don't actually use any timekeeping types, no need to pull in
time64.h.
Also, sched.h uses restart_block; add it as a direct dependency.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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held_lock is embedded in task_struct, and we don't want sched.h pulling
in all of lockdep.h
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Acked-by: Waiman Long <longman@redhat.com>
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More sched.h dependency pruning.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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More sched.h dependency pruning.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Reviewed-by: Christian Brauner <brauner@kernel.org>
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More pruning of sched.h dependencies.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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More trimming of sched.h dependencies.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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thread_info.h pulls in a lot of junk that sched.h that we don't need; in
particular, this helps to kill the printk.h dependency.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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more sched.h header dependency trimming
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We're working on only pulling in type definitions to sched.h whenever
possible.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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pruning sched.h dependencies, headers shouldn't pull in more than they
need.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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list_head is in types.h, not list.h., and the uapi header wasn't needed.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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