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Author SHA1 Message Date
Anatoliy Klymenko
ced8c5176b drm: xlnx: zynqmp_dpsub: Fix few function comments
Fix arguments description for zynqmp_disp_layer_find_live_format() and
zynqmp_disp_layer_set_live_format().

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404260616.KFGDpCDN-lkp@intel.com/

Signed-off-by: Anatoliy Klymenko <anatoliy.klymenko@amd.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Fixes: 1b5151bd3a ("drm: xlnx: zynqmp_dpsub: Set input live format")
Link: https://patchwork.freedesktop.org/patch/msgid/20240426-dp-live-fmt-fix-v3-1-e904b5ae51d7@amd.com
(cherry picked from commit 87f36e03c0)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
2024-05-08 12:54:32 +02:00
Peilin He
db3efdcf70 net/ipv4: add tracepoint for icmp_send
Introduce a tracepoint for icmp_send, which can help users to get more
detail information conveniently when icmp abnormal events happen.

1. Giving an usecase example:
=============================
When an application experiences packet loss due to an unreachable UDP
destination port, the kernel will send an exception message through the
icmp_send function. By adding a trace point for icmp_send, developers or
system administrators can obtain detailed information about the UDP
packet loss, including the type, code, source address, destination address,
source port, and destination port. This facilitates the trouble-shooting
of UDP packet loss issues especially for those network-service
applications.

2. Operation Instructions:
==========================
Switch to the tracing directory.
        cd /sys/kernel/tracing
Filter for destination port unreachable.
        echo "type==3 && code==3" > events/icmp/icmp_send/filter
Enable trace event.
        echo 1 > events/icmp/icmp_send/enable

3. Result View:
================
 udp_client_erro-11370   [002] ...s.12   124.728002:
 icmp_send: icmp_send: type=3, code=3.
 From 127.0.0.1:41895 to 127.0.0.1:6666 ulen=23
 skbaddr=00000000589b167a

Signed-off-by: Peilin He <he.peilin@zte.com.cn>
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Reviewed-by: Yunkai Zhang <zhang.yunkai@zte.com.cn>
Cc: Yang Yang <yang.yang29@zte.com.cn>
Cc: Liu Chun <liu.chun2@zte.com.cn>
Cc: Xuexin Jiang <jiang.xuexin@zte.com.cn>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:39:26 +01:00
Felix Fietkau
86b29d830a net: bridge: fix corrupted ethernet header on multicast-to-unicast
The change from skb_copy to pskb_copy unfortunately changed the data
copying to omit the ethernet header, since it was pulled before reaching
this point. Fix this by calling __skb_push/pull around pskb_copy.

Fixes: 59c878cbcd ("net: bridge: fix multicast-to-unicast with fraglist GSO")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:37:57 +01:00
David S. Miller
9f481cea15 Merge branch 'ksz-dcb-dscp'
Oleksij Rempel says:

====================
add DCB and DSCP support for KSZ switches

This patch series is aimed at improving support for DCB (Data Center
Bridging) and DSCP (Differentiated Services Code Point) on KSZ switches.

The main goal is to introduce global DSCP and PCP (Priority Code Point)
mapping support, addressing the limitation of KSZ switches not having
per-port DSCP priority mapping. This involves extending the DSA
framework with new callbacks for managing trust settings for global DSCP
and PCP maps. Additionally, we introduce IEEE 802.1q helpers for default
configurations, benefiting other drivers too.

Change logs are in separate patches.

Compared to v6 this series includes some new patches for DSCP global
mapping support and QoS selftest script for KSZ9477 switches.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:11 +01:00
Oleksij Rempel
cbc7afffc5 selftests: microchip: add test for QoS support on KSZ9477 switch family
Add tests covering following functionality on KSZ9477 switch family:
- default port priority
- global DSCP to Internal Priority Mapping
- apptrust configuration

This script was tested on KSZ9893R

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:11 +01:00
Oleksij Rempel
c2e722657f net: dsa: microchip: add support DSCP priority mapping
Microchip KSZ and LAN variants do not have per port DSCP priority
configuration. Instead there is a global DSCP mapping table.

This patch provides write access to this global DSCP map. In case entry
is "deleted", we map corresponding DSCP entry to a best effort prio,
which is expected to be the default priority for all untagged traffic.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:11 +01:00
Oleksij Rempel
5f5109af47 net: dsa: add support switches global DSCP priority mapping
Some switches like Microchip KSZ variants do not support per port DSCP
priority configuration. Instead there is a global DSCP mapping table.

To handle it, we will accept set/del request to any of user ports to
make global configuration and update dcb app entries for all other
ports.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
ea1078d94c net: dsa: microchip: let DCB code do PCP and DSCP policy configuration
802.1P (PCP) and DiffServ (DSCP) are handled now by DCB code. Let it do
all needed initial configuration.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
3bcb896865 net: dsa: microchip: init predictable IPV to queue mapping for all non KSZ8xxx variants
Init priority to queue mapping in the way as it shown in IEEE 802.1Q
mapping example.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
c631250a24 net: dsa: microchip: enable ETS support for KSZ989X variants
I tested ETS support on KSZ9893, so it should work other KSZ989X
variants too, which was till not listed as support.

With this change we now officially not support only ksz8 family of
chips.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
a1ea57710c net: dsa: microchip: dcb: add special handling for KSZ88X3 family
KSZ88X3 switches have different behavior on different ports:
- It seems to be not possible to disable VLAN PCP classification on port
  2. It means, as soon as mutliqueue support is enabled, frames with
     VLAN tag will get PCP prios. This behavior do not affect Port 1 -
     it is possible to disable PCP prios.
- DSCP classification is not working on Port 2.

Since there are still usable configuration combinations, I added some
quirks to make sure user will get appropriate error message if not
possible configuration is chosen.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
a16efc61d2 net: dsa: microchip: add support for different DCB app configurations
Add DCB support to configure app trust sources and default port priority.

Following commands can be used for testing:
dcb apptrust set dev lan1 order pcp dscp
dcb app replace dev lan1 default-prio 3

Since it is not possible to configure DSCP-Prio mapping per port, this
patch provide only ability to read switch global dscp-prio mapping and
way to enable/disable app trust for DSCP.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
328de4671d net: dsa: microchip: add multi queue support for KSZ88X3 variants
KSZ88X3 switches support up to 4 queues. Rework ksz8795_set_prio_queue()
to support KSZ8795 and KSZ88X3 families of switches.

Per default, configure KSZ88X3 to use one queue, since it need special
handling due to priority related errata. Errata handling is implemented
in a separate patch.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:10 +01:00
Oleksij Rempel
768cf84138 net: add IEEE 802.1q specific helpers
IEEE 802.1q specification provides recommendation and examples which can
be used as good default values for different drivers.

This patch implements mapping examples documented in IEEE 802.1Q-2022 in
Annex I "I.3 Traffic type to traffic class mapping" and IETF DSCP naming
and mapping DSCP to Traffic Type inspired by RFC8325.

This helpers will be used in followup patches for dsa/microchip DCB
implementation.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:09 +01:00
Oleksij Rempel
97278f8f10 net: dsa: microchip: add IPV information support
Most of Microchip KSZ switches use Internal Priority Value associated
with every frame. For example, it is possible to map any VLAN PCP or
DSCP value to IPV and at the end, map IPV to a queue.

Since amount of IPVs is not equal to amount of queues, add this
information and make use of it in some functions.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:09 +01:00
Oleksij Rempel
96c6f33795 net: dsa: add support for DCB get/set apptrust configuration
Add DCB support to get/set trust configuration for different packet
priority information sources. Some switch allow to chose different
source of packet priority classification. For example on KSZ switches it
is possible to configure VLAN PCP and/or DSCP sources.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-05-08 10:35:09 +01:00
Levi Yun
d7ad05c86e timers/migration: Prevent out of bounds access on failure
When tmigr_setup_groups() fails the level 0 group allocation, then the
cleanup derefences index -1 of the local stack array.

Prevent this by checking the loop condition first.

Fixes: 7ee9887703 ("timers: Implement the hierarchical pull model")
Signed-off-by: Levi Yun <ppbuk5246@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Link: https://lore.kernel.org/r/20240506041059.86877-1-ppbuk5246@gmail.com
2024-05-08 11:19:43 +02:00
Hongzhen Luo
1872df8dcd erofs: derive fsid from on-disk UUID for .statfs() if possible
Use the superblock's UUID to generate the fsid when it's non-null.

Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Reviewed-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Signed-off-by: Hongzhen Luo <hongzhen@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240409113022.74720-1-hongzhen@linux.alibaba.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-05-08 17:12:51 +08:00
Chunhai Guo
0f6273ab46 erofs: add a reserved buffer pool for lz4 decompression
This adds a special global buffer pool (in the end) for reserved pages.

Using a reserved pool for LZ4 decompression significantly reduces the
time spent on extra temporary page allocation for the extreme cases in
low memory scenarios.

The table below shows the reduction in time spent on page allocation for
LZ4 decompression when using a reserved pool. The results were obtained
from multi-app launch benchmarks on ARM64 Android devices running the
5.15 kernel with an 8-core CPU and 8GB of memory. In the benchmark, we
launched 16 frequently-used apps, and the camera app was the last one in
each round. The data in the table is the average time of camera app for
each round.

After using the reserved pool, there was an average improvement of 150ms
in the overall launch time of our camera app, which was obtained from
the systrace log.

+--------------+---------------+--------------+---------+
|              | w/o page pool | w/ page pool |  diff   |
+--------------+---------------+--------------+---------+
| Average (ms) |     3434      |      21      | -99.38% |
+--------------+---------------+--------------+---------+

Based on the benchmark logs, 64 pages are sufficient for 95% of
scenarios. This value can be adjusted with a module parameter
`reserved_pages`. The default value is 0.

This pool is currently only used for the LZ4 decompressor, but it can be
applied to more decompressors if needed.

Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240402131523.2703948-1-guochunhai@vivo.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-05-08 17:12:51 +08:00
Chunhai Guo
d6db47e571 erofs: do not use pagepool in z_erofs_gbuf_growsize()
Let's use alloc_pages_bulk_array() for simplicity and get rid of
unnecessary pagepool.

Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240402092757.2635257-1-guochunhai@vivo.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-05-08 17:12:50 +08:00
Chunhai Guo
f36f3010f6 erofs: rename per-CPU buffers to global buffer pool and make it configurable
It will cost more time if compressed buffers are allocated on demand for
low-latency algorithms (like lz4) so EROFS uses per-CPU buffers to keep
compressed data if in-place decompression is unfulfilled.  While it is kind
of wasteful of memory for a device with hundreds of CPUs, and only a small
number of CPUs concurrently decompress most of the time.

This patch renames it as 'global buffer pool' and makes it configurable.
This allows two or more CPUs to share a common buffer to reduce memory
occupation.

Suggested-by: Gao Xiang <xiang@kernel.org>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Link: https://lore.kernel.org/r/20240402100036.2673604-1-guochunhai@vivo.com
Signed-off-by: Sandeep Dhavale <dhavale@google.com>
Link: https://lore.kernel.org/r/20240408215231.3376659-1-dhavale@google.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-05-08 17:12:49 +08:00
Chunhai Guo
cacd5b04e2 erofs: rename utils.c to zutil.c
Currently, utils.c is only useful if CONFIG_EROFS_FS_ZIP is on.
So let's rename it to zutil.c as well as avoid its inclusion if
CONFIG_EROFS_FS_ZIP is explicitly disabled.

Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240401135550.2550043-1-guochunhai@vivo.com
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
2024-05-08 17:12:49 +08:00
Michael Margolin
2b8af5001a RDMA/efa: Support QP with unsolicited write w/ imm. receive
Add a new EFA flags attribute for QP creation, and support unsolicited
write with immediate flag. QPs created with this flag set will not
consume receive work requests for incoming RDMA write with immediate.
Expose device capability bit for this feature support.

Reviewed-by: Daniel Kranzdorf <dkkranzd@amazon.com>
Reviewed-by: Firas Jahjah <firasj@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Link: https://lore.kernel.org/r/20240506151829.6475-1-mrgolin@amazon.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
2024-05-08 11:18:26 +03:00
Ingo Molnar
9d351132ed perf/x86/cstate: Remove unused 'struct perf_cstate_msr'
Use of this structure was removed in:

  8f2a28c585 ("perf/x86/cstate: Use new probe function")

Remove the now stale type as well.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2024-05-08 09:53:23 +02:00
Erick Archer
6d305cbef1 uapi: stddef.h: Provide UAPI macros for __counted_by_{le, be}
This commit can be considered an addition to commit ca7e324e8a
("compiler_types: add Endianness-dependent __counted_by_{le,be}") [1].

In the commit referenced above the __counted_by_{le,be}() attributes
were defined based on platform's endianness with the goal to that the
structures contain flexible arrays at the end, and the counter for,
can be annotated with these attributes.

So, this commit only provide UAPI macros for UAPI structs that will
gain annotations for __counted_by_{le, be} attributes. And it is the
previous step to be able to use these attributes in UAPI.

Link: https://lore.kernel.org/r/20240327142241.1745989-2-aleksander.lobakin@intel.com
Suggested-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Link: https://lore.kernel.org/r/AS8PR02MB72372E45071E8821C07236F78BE42@AS8PR02MB7237.eurprd02.prod.outlook.com
Fixes: ca7e324e8a ("compiler_types: add Endianness-dependent __counted_by_{le,be}")
Signed-off-by: Kees Cook <keescook@chromium.org>
2024-05-08 00:42:25 -07:00
Richard Fung
9fe2a036a2 fuse: Add initial support for fs-verity
This adds support for the FS_IOC_ENABLE_VERITY and FS_IOC_MEASURE_VERITY
ioctls. The FS_IOC_READ_VERITY_METADATA is missing but from the
documentation, "This is a fairly specialized use case, and most fs-verity
users won’t need this ioctl."

Signed-off-by: Richard Fung <richardfung@google.com>
Acked-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-05-08 09:31:21 +02:00
Brian Foster
96d88f65ad virtiofs: include a newline in sysfs tag
The internal tag string doesn't contain a newline. Append one when
emitting the tag via sysfs.

[Stefan] Orthogonal to the newline issue, sysfs_emit(buf, "%s", fs->tag) is
needed to prevent format string injection.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Fixes: a8f62f50b4 ("virtiofs: export filesystem tags through sysfs")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-05-08 09:31:21 +02:00
Matthew Wilcox (Oracle)
413e8f014c fuse: Convert fuse_readpages_end() to use folio_end_read()
Nobody checks the error flag on fuse folios, so stop setting it.
Optimise the (optional) setting of the uptodate flag and clearing
of the lock flag by using folio_end_read().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-05-08 09:31:21 +02:00
Dr. David Alan Gilbert
ad3bd7659b x86/pci/ce4100: Remove unused 'struct sim_reg_op'
'struct sim_reg_op' wasn't ever used since it was introduced
14 years ago via:

  91d8037f56 ("ce4100: Add PCI register emulation for CE4100")

Remove it.

[ mingo: Improved the changelog. ]

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240507232348.46677-1-linux@treblig.org
2024-05-08 09:17:17 +02:00
Arnd Bergmann
0cb7e0c617 A few more Qualcomm Arm64 DeviceTree updates for v6.10
This corrects the obviously broken compatible of the USB VBUS regulator
 in PM6150.
 
 It clears the odd-looking default address on QCS404 EVB, with the
 expectation that a proper address is provides by other means.
 
 The newly added SM8650 GPU node is corrected with a missing memory
 region.
 
 The third DWC3 instance on SC8280XP is added, and enabled on Lenovo
 Thinkpad X13s to give working fingerprint sensor.
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Merge tag 'qcom-arm64-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/dt

A few more Qualcomm Arm64 DeviceTree updates for v6.10

This corrects the obviously broken compatible of the USB VBUS regulator
in PM6150.

It clears the odd-looking default address on QCS404 EVB, with the
expectation that a proper address is provides by other means.

The newly added SM8650 GPU node is corrected with a missing memory
region.

The third DWC3 instance on SC8280XP is added, and enabled on Lenovo
Thinkpad X13s to give working fingerprint sensor.

* tag 'qcom-arm64-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: dts: qcom: pm6150: correct USB VBUS regulator compatible
  arm64: dts: qcom: qcs404: fix bluetooth device address
  arm64: dts: qcom: sc8280xp-x13s: enable USB MP and fingerprint reader
  arm64: dts: qcom: sc8280xp: Add USB DWC3 Multiport controller
  arm64: dts: qcom: sm8650: Fix GPU cx_mem size

Link: https://lore.kernel.org/r/20240508021820.206441-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-05-08 09:06:06 +02:00
Arnd Bergmann
93b24002d4 One more Qualcomm Arm64 defconfig update for v6.10
This enables the SM6115 interconnect provider, to make it possible to
 boot boards on this SoC.
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Merge tag 'qcom-arm64-defconfig-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/defconfig

One more Qualcomm Arm64 defconfig update for v6.10

This enables the SM6115 interconnect provider, to make it possible to
boot boards on this SoC.

* tag 'qcom-arm64-defconfig-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: defconfig: select INTERCONNECT_QCOM_SM6115 as built-in

Link: https://lore.kernel.org/r/20240508021312.206121-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-05-08 08:56:40 +02:00
Alexander Lobakin
163943ac00 xsk: use generic DMA sync shortcut instead of a custom one
XSk infra's been using its own DMA sync shortcut to try avoiding
redundant function calls. Now that there is a generic one, remove
the custom implementation and rely on the generic helpers.
xsk_buff_dma_sync_for_cpu() doesn't need the second argument anymore,
remove it.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2024-05-08 08:51:20 +02:00
Alexander Lobakin
4321de4497 page_pool: check for DMA sync shortcut earlier
We can save a couple more function calls in the Page Pool code if we
check for dma_need_sync() earlier, just when we test pp->p.dma_sync.
Move both these checks into an inline wrapper and call the PP wrapper
over the generic DMA sync function only when both are true.
You can't cache the result of dma_need_sync() in &page_pool, as it may
change anytime if an SWIOTLB buffer is allocated or mapped.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2024-05-08 08:51:20 +02:00
Arnd Bergmann
1c97fe39fb A few more Qualcomm driver updates for v6.10
This fixes a sleep-while-atomic issue in pmic_glink, stemming from the
 fact that the GLINK callback comes from interrupt context.
 
 It fixes the Bluetooth address in the example of qcom,wcnss, and it
 enables UEFI variables on SC8180X devices (Primus and Flex 5G).
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Merge tag 'qcom-drivers-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers

A few more Qualcomm driver updates for v6.10

This fixes a sleep-while-atomic issue in pmic_glink, stemming from the
fact that the GLINK callback comes from interrupt context.

It fixes the Bluetooth address in the example of qcom,wcnss, and it
enables UEFI variables on SC8180X devices (Primus and Flex 5G).

* tag 'qcom-drivers-for-6.10-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  firmware: qcom: uefisecapp: Allow on sc8180x Primus and Flex 5G
  soc: qcom: pmic_glink: Make client-lock non-sleeping
  dt-bindings: soc: qcom,wcnss: fix bluetooth address example

Link: https://lore.kernel.org/r/20240508020900.204413-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2024-05-08 08:45:26 +02:00
Will Deacon
5053c3f051 KVM: arm64: Use hVHE in pKVM by default on CPUs with VHE support
The early command line parsing treats "kvm-arm.mode=protected" as an
alias for "id_aa64mmfr1.vh=0", forcing the use of nVHE so that the host
kernel runs at EL1 with the pKVM hypervisor at EL2.

With the introduction of hVHE support in ad744e8cb3 ("arm64: Allow
arm64_sw.hvhe on command line"), the hypervisor can run using the EL2+0
translation regime. This is interesting for unusual CPUs that have VH
stuck to 1, but also because it opens the possibility of a hypervisor
"userspace" in the distant future which could be used to isolate vCPU
contexts in the hypervisor (see Marc's talk from KVM Forum 2022 [1]).

Repaint the "kvm-arm.mode=protected" alias to map to "arm64_sw.hvhe=1",
which will use hVHE on CPUs that support it and remain with nVHE
otherwise.

[1] https://www.youtube.com/watch?v=1F_Mf2j9eIo

Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240501163400.15838-3-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
2024-05-08 07:05:53 +01:00
Will Deacon
3c142f9d02 KVM: arm64: Fix hvhe/nvhe early alias parsing
Booting a kernel with "arm64_sw.hvhe=1 kvm-arm.mode=nvhe" on the
command-line results in KVM initialising using hVHE, whereas one might
expect the latter option to override the former.

Fix this by adding "arm64_sw.hvhe=0" to the alias expansion for
"kvm-arm.mode=nvhe".

Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Oliver Upton <oliver.upton@linux.dev>
Link: https://lore.kernel.org/r/20240501163400.15838-2-will@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>
2024-05-08 07:05:53 +01:00
Andy Shevchenko
d45ae45f32
ASoC: atmel: tse850-pcm5142: Remove unused of_gpio.h
of_gpio.h is deprecated and subject to remove.
The driver doesn't use it, simply remove the unused header.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240507205659.690270-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:40:47 +09:00
Andy Shevchenko
8cc3bad9d9
spi: Remove unneded check for orig_nents
Both dma_unmap_sgtable() and sg_free_table() in spi_unmap_buf_attrs()
have checks for orig_nents against 0. No need to duplicate this.
All the same applies to other DMA mapping API calls.

Also note, there is no other user in the kernel that does this kind of
checks.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240507201028.564630-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:46 +09:00
Takashi Iwai
476d0a22bc
ASoC: xtensa: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-35-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:39 +09:00
Takashi Iwai
a9732bf757
ASoC: xilinx: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-34-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:38 +09:00
Takashi Iwai
c4850e856f
ASoC: ux500: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-33-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:37 +09:00
Takashi Iwai
d5c337c5e3
ASoC: uniphier: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-32-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:36 +09:00
Takashi Iwai
72b28ec6de
ASoC: ti: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-31-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:35 +09:00
Takashi Iwai
51a50d6ad7
ASoC: tegra: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-30-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:34 +09:00
Takashi Iwai
f827d7a34b
ASoC: stm: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-29-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:34 +09:00
Takashi Iwai
aa4a610309
ASoC: sti: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-28-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:33 +09:00
Takashi Iwai
c4e93fd132
ASoC: sprd: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-27-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:32 +09:00
Takashi Iwai
50537c3fae
ASoC: spear: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-26-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:31 +09:00
Takashi Iwai
9c2f5b6eb8
ASoC: SOF: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-25-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:30 +09:00
Takashi Iwai
8c26836f5b
ASoC: sh: Use *-y instead of *-objs in Makefile
*-objs suffix is reserved rather for (user-space) host programs while
usually *-y suffix is used for kernel drivers (although *-objs works
for that purpose for now).

Let's correct the old usages of *-objs in Makefiles.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20240507155540.24815-24-tiwai@suse.de
Signed-off-by: Mark Brown <broonie@kernel.org>
2024-05-08 11:39:29 +09:00