Make pins-are-numbered optional and deprecate it
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221129023401.278780-4-bero@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Remove the check for the unnecessary pins-are-numbered Devicetree property.
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20221129023401.278780-2-bero@baylibre.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
A downstream port must be connected to a component register block.
For restricted hosts the base address is determined from the RCRB. The
RCRB is provided by the host's CEDT CHBS entry. Rework CEDT parser to
get the RCRB and add code to extract the component register block from
it.
RCRB's BAR[0..1] point to the component block containing CXL subsystem
component registers. MEMBAR extraction follows the PCI base spec here,
esp. 64 bit extraction and memory range alignment (6.0, 7.5.1.2.1). The
RCRB base address is cached in the cxl_dport per-host bridge so that the
upstream port component registers can be retrieved later by an RCD
(RCIEP) associated with the host bridge.
Note: Right now the component register block is used for HDM decoder
capability only which is optional for RCDs. If unsupported by the RCD,
the HDM init will fail. It is future work to bypass it in this case.
Co-developed-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Terry Bowman <terry.bowman@amd.com>
Signed-off-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/Y4dsGZ24aJlxSfI1@rric.localdomain
[djbw: introduce devm_cxl_add_rch_dport()]
Link: https://lore.kernel.org/r/166993044524.1882361.2539922887413208807.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
A "DPA invalidation event" is any scenario where the contents of a DPA
(Device Physical Address) is modified in a way that is incoherent with
CPU caches, or if the HPA (Host Physical Address) to DPA association
changes due to a remapping event.
PMEM security events like Unlock and Passphrase Secure Erase already
manage caches through LIBNVDIMM, so that leaves HPA to DPA remap events
that need cache management by the CXL core. Those only happen when the
boot time CXL configuration has changed. That event occurs when
userspace attaches an endpoint decoder to a region configuration, and
that region is subsequently activated.
The implications of not invalidating caches between remap events is that
reads from the region at different points in time may return different
results due to stale cached data from the previous HPA to DPA mapping.
Without a guarantee that the region contents after cxl_region_probe()
are written before being read (a layering-violation assumption that
cxl_region_probe() can not make) the CXL subsystem needs to ensure that
reads that precede writes see consistent results.
A CONFIG_CXL_REGION_INVALIDATION_TEST option is added to support debug
and unit testing of the CXL implementation in QEMU or other environments
where cpu_cache_has_invalidate_memregion() returns false. This may prove
too restrictive for QEMU where the HDM decoders are emulated, but in
that case the CXL subsystem needs some new mechanism / indication that
the HDM decoder is emulated and not a passthrough of real hardware.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166993222098.1995348.16604163596374520890.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Now that cpu_cache_invalidate_memregion() is generically available, use
it to centralize CPU cache management in the nvdimm region driver.
This trades off removing redundant per-dimm CPU cache flushing with an
opportunistic flush on every region disable event to cover the case of
sensitive dirty data in the cache being written back to media after a
secure erase / overwrite event.
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166993221550.1995348.16843505129579060258.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Preclude the possibility of user tooling sending device secrets in the
clear into the kernel by marking the security commands as exclusive.
This mandates the usage of the keyctl ABI for managing the device
passphrase.
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/166993221008.1995348.11651567302609703175.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
cxl_region_probe() allows for regions not in the 'commit' state to be
enabled. Fail probe when the region is not committed otherwise the
kernel may indicate that an address range is active when none of the
decoders are active.
Fixes: 8d48817df6 ("cxl/region: Add region driver boiler plate")
Cc: <stable@vger.kernel.org>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/166993220462.1995348.1698008475198427361.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
A port of a CXL host bridge links to the bridge's ACPI device
(&adev->dev) with its corresponding uport/dport device (uport_dev and
dport_dev respectively). The device is not a direct parent device in
the PCI topology as pdev->dev.parent points to a PCI bridge's (struct
pci_host_bridge) device. The following CXL memory device hierarchy
would be valid for an endpoint once an RCD EP would be enabled (note
this will be done in a later patch):
VH mode:
cxlmd->dev.parent->parent
^^^\^^^^^^\ ^^^^^^\
\ \ pci_dev (Type 1, Downstream Port)
\ pci_dev (Type 0, PCI Express Endpoint)
cxl mem device
RCD mode:
cxlmd->dev.parent->parent
^^^\^^^^^^\ ^^^^^^\
\ \ pci_host_bridge
\ pci_dev (Type 0, RCiEP)
cxl mem device
In VH mode a downstream port is created by port enumeration and thus
always exists.
Now, in RCD mode the host bridge also already exists but it references
to an ACPI device. A port lookup by the PCI device's parent device
will fail as a direct link to the registered port is missing. The ACPI
device of the bridge must be determined first.
To prevent this, change port registration of a CXL host to use the
bridge device instead. Do this also for the VH case as port topology
will better reflect the PCI topology then.
Signed-off-by: Robert Richter <rrichter@amd.com>
[djbw: rebase on brige mocking]
Reviewed-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166993043978.1882361.16238060349889579369.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Accept any cxl_test topology device as the first argument in
cxl_chbs_context.
This is in preparation for reworking the detection of the component
registers across VH and RCH topologies. Move
mock_acpi_table_parse_cedt() beneath the definition of is_mock_port()
and use is_mock_port() instead of the explicit mock cxl_acpi device
check.
Acked-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/166993043433.1882361.17651413716599606118.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Now that cxl_nvdimm and cxl_pmem_region objects are torn down
sychronously with the removal of either the bridge, or an endpoint, the
cxl_pmem_wq infrastructure can be jettisoned.
Tested-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/166993042335.1882361.17022872468068436287.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The three objects 'struct cxl_nvdimm_bridge', 'struct cxl_nvdimm', and
'struct cxl_pmem_region' manage CXL persistent memory resources. The
bridge represents base platform resources, the nvdimm represents one or
more endpoints, and the region is a collection of nvdimms that
contribute to an assembled address range.
Their relationship is such that a region is torn down if any component
endpoints are removed. All regions and endpoints are torn down if the
foundational bridge device goes down.
A workqueue was deployed to manage these interdependencies, but it is
difficult to reason about, and fragile. A recent attempt to take the CXL
root device lock in the cxl_mem driver was reported by lockdep as
colliding with the flush_work() in the cxl_pmem flows.
Instead of the workqueue, arrange for all pmem/nvdimm devices to be torn
down immediately and hierarchically. A similar change is made to both
the 'cxl_nvdimm' and 'cxl_pmem_region' objects. For bisect-ability both
changes are made in the same patch which unfortunately makes the patch
bigger than desired.
Arrange for cxl_memdev and cxl_region to register a cxl_nvdimm and
cxl_pmem_region as a devres release action of the bridge device.
Additionally, include a devres release action of the cxl_memdev or
cxl_region device that triggers the bridge's release action if an endpoint
exits before the bridge. I.e. this allows either unplugging the bridge,
or unplugging and endpoint to result in the same cleanup actions.
To keep the patch smaller the cleanup of the now defunct workqueue
infrastructure is saved for a follow-on patch.
Tested-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/166993041773.1882361.16444301376147207609.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Now that a cxl_nvdimm object can only experience ->remove() via an
unregistration event (because the cxl_nvdimm bind attributes are
suppressed), additional cleanups are possible.
It is already the case that the removal of a cxl_memdev object triggers
->remove() on any associated region. With that mechanism in place there
is no need for the cxl_nvdimm removal to trigger the same. Just rely on
cxl_region_detach() to tear down the whole cxl_pmem_region.
Tested-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/166993041215.1882361.6321535567798911286.stgit@dwillia2-xfh.jf.intel.com
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Remove use of the deprecated mask_invert flag. Inverted mask
registers (where a '1' bit enables an IRQ) can be described more
directly as an unmask register.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The latest version of grep claims the egrep is now obsolete so the build
now contains warnings that look like:
egrep: warning: egrep is obsolescent; using grep -E
fix this using "grep -E" instead.
sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/testing/selftests/net`
Here are the steps to install the latest grep:
wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
tar xf grep-3.8.tar.gz
cd grep-3.8 && ./configure && make
sudo make install
export PATH=/usr/local/bin:$PATH
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Link: https://lore.kernel.org/r/1669864248-829-1-git-send-email-yangtiezhu@loongson.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When testing in kci_test_ipsec_offload, srcip is configured as $dstip,
it should add xfrm policy rule in instead of out.
The test result of this patch is as follows:
PASS: ipsec_offload
Fixes: 2766a11161 ("selftests: rtnetlink: add ipsec offload API test")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Acked-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20221201082246.14131-1-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit d2825fa936 ("crypto: sm3,sm4 - move into crypto directory") moves
SM3 and SM4 algorithm implementations from stand-alone library to crypto
API. The corresponding configuration options for the API version (generic)
are CONFIG_CRYPTO_SM3_GENERIC and CONFIG_CRYPTO_SM4_GENERIC, respectively.
Replace option selected in selftests configuration from the library version
to the API version.
Fixes: d2825fa936 ("crypto: sm3,sm4 - move into crypto directory")
Reported-by: Hangbin Liu <liuhangbin@gmail.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: stable@vger.kernel.org # v5.19+
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221201131852.38501-1-tianjia.zhang@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Return NULL if we got unexpected value from skb_trim_rcsum() in
sja1110_rcv_inband_control_extension()
Fixes: 4913b8ebf8 ("net: dsa: add support for the SJA1110 native tagging protocol")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221201140032.26746-3-artem.chernyshev@red-soft.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Return NULL if we got unexpected value from skb_trim_rcsum()
in hellcreek_rcv()
Fixes: 01ef09caad ("net: dsa: Add tag handling for Hirschmann Hellcreek switches")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20221201140032.26746-2-artem.chernyshev@red-soft.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Return NULL if we got unexpected value from skb_trim_rcsum()
in ksz_common_rcv()
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: bafe9ba7d9 ("net: dsa: ksz: Factor out common tag code")
Signed-off-by: Artem Chernyshev <artem.chernyshev@red-soft.ru>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20221201140032.26746-1-artem.chernyshev@red-soft.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
kfree_rcu(1-arg) should be avoided as much as possible,
since this is only possible from sleepable contexts,
and incurr extra rcu barriers.
I wish the 1-arg variant of kfree_rcu() would
get a distinct name, like kfree_rcu_slow()
to avoid it being abused.
Fixes: 459837b522 ("net/tcp: Disable TCP-MD5 static key on tcp_md5sig_info destruction")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20221202052847.2623997-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Third set of patches for v6.2. mt76 has a new driver for mt7996 Wi-Fi 7
devices and iwlwifi also got initial Wi-Fi 7 support. Otherwise
smaller features and fixes.
Major changes:
ath10k
* store WLAN firmware version in SMEM image table
mt76
* mt7996: new driver for MediaTek Wi-Fi 7 (802.11be) devices
* mt7986, mt7915: enable Wireless Ethernet Dispatch (WED) offload support
* mt7915: add ack signal support
* mt7915: enable coredump support
* mt7921: remain_on_channel support
* mt7921: channel context support
iwlwifi
* enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities
* 320 MHz channels support
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Merge tag 'wireless-next-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.2
Third set of patches for v6.2. mt76 has a new driver for mt7996 Wi-Fi 7
devices and iwlwifi also got initial Wi-Fi 7 support. Otherwise
smaller features and fixes.
Major changes:
ath10k
- store WLAN firmware version in SMEM image table
mt76
- mt7996: new driver for MediaTek Wi-Fi 7 (802.11be) devices
- mt7986, mt7915: enable Wireless Ethernet Dispatch (WED) offload support
- mt7915: add ack signal support
- mt7915: enable coredump support
- mt7921: remain_on_channel support
- mt7921: channel context support
iwlwifi
- enable Wi-Fi 7 Extremely High Throughput (EHT) PHY capabilities
- 320 MHz channels support
* tag 'wireless-next-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (144 commits)
wifi: ath10k: fix QCOM_SMEM dependency
wifi: mt76: mt7921e: add pci .shutdown() support
wifi: mt76: mt7915: mmio: fix naming convention
wifi: mt76: mt7996: add support to configure spatial reuse parameter set
wifi: mt76: mt7996: enable ack signal support
wifi: mt76: mt7996: enable use_cts_prot support
wifi: mt76: mt7915: rely on band_idx of mt76_phy
wifi: mt76: mt7915: enable per bandwidth power limit support
wifi: mt76: mt7915: introduce mt7915_get_power_bound()
mt76: mt7915: Fix PCI device refcount leak in mt7915_pci_init_hif2()
wifi: mt76: do not send firmware FW_FEATURE_NON_DL region
wifi: mt76: mt7921: Add missing __packed annotation of struct mt7921_clc
wifi: mt76: fix coverity overrun-call in mt76_get_txpower()
wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices
wifi: mt76: mt76x0: remove dead code in mt76x0_phy_get_target_power
wifi: mt76: mt7915: fix band_idx usage
wifi: mt76: mt7915: enable .sta_set_txpwr support
wifi: mt76: mt7915: add basedband Txpower info into debugfs
wifi: mt76: mt7915: add support to configure spatial reuse parameter set
wifi: mt76: mt7915: add missing MODULE_PARM_DESC
...
====================
Link: https://lore.kernel.org/r/20221202214254.D0D3DC433C1@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Fix regressions with CSR controller clones
- Fix support for Read Local Supported Codecs V2
- Fix overflow on L2CAP code
- Fix missing hci_dev_put on ISO and L2CAP code
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Merge tag 'for-net-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- Fix regressions with CSR controller clones
- Fix support for Read Local Supported Codecs V2
- Fix overflow on L2CAP code
- Fix missing hci_dev_put on ISO and L2CAP code
* tag 'for-net-2022-12-02' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: Fix crash when replugging CSR fake controllers
Bluetooth: Fix not cleanup led when bt_init fails
Bluetooth: Fix support for Read Local Supported Codecs V2
Bluetooth: Remove codec id field in vendor codec definition
Bluetooth: L2CAP: Fix u8 overflow
Bluetooth: silence a dmesg error message in hci_request.c
Bluetooth: hci_conn: add missing hci_dev_put() in iso_listen_bis()
Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn()
Bluetooth: btusb: Add debug message for CSR controllers
Bluetooth: btusb: Fix CSR clones again by re-adding ERR_DATA_REPORTING quirk
====================
Link: https://lore.kernel.org/r/20221202213726.2801581-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There are 2 races surrounding the usb-notifier:
1. The notifier, and thus usb_work, may run before the bq->charger
power_supply class device is registered. But usb_work may call
power_supply_changed() which relies on the psy device being registered.
2. usb_work may be pending/running at remove() time, so it needs to be
cancelled on remove after unregistering the usb-notifier.
Fix 1. by moving usb-notifier registration to after the power_supply
registration.
Fix 2. by adding a cancel_work_sync() call directly after the usb-notifier
unregistration.
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
The pump_express_work which gets queued from an external_power_changed
callback might be pending / running on remove() (or on probe failure).
Add a devm action cancelling the work, to ensure that it is cancelled.
Note the devm action is added before devm_power_supply_register(), making
it run after devm unregisters the power_supply, so that the work cannot
be queued anymore (this is also why a devm action is used for this).
Fixes: 48f45b094d ("power: supply: bq25890: Support higher charging voltages through Pump Express+ protocol")
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
Fixes: 11cb8da018 ("power: supply: Add charger driver for Rockchip RK817")
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Reviewed-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Add arch_crash_save_vmcoreinfo(), which exports VM layout(MODULES,
VMALLOC, VMEMMAP ranges and KERNEL_LINK_ADDR), va bits and ram base for
vmcore.
* b4-shazam-merge:
Documentation: kdump: describe VMCOREINFO export for RISCV64
RISC-V: Add arch_crash_save_vmcoreinfo support
Link: https://lore.kernel.org/r/20221026144208.373504-1-xianting.tian@linux.alibaba.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Add arch_crash_save_vmcoreinfo(), which exports VM layout(MODULES,
VMALLOC, VMEMMAP ranges and KERNEL_LINK_ADDR), va bits and ram base for
vmcore.
Default pagetable levels and PAGE_OFFSET aren't same for different
kernel version as below. For pagetable levels, it sets sv57 by default
and falls back to setting sv48 at boot time if sv57 is not supported by
the hardware.
For ram base, the default value is 0x80200000 for qemu riscv64 env and,
for example, is 0x200000 on the XuanTie 910 CPU.
* Linux Kernel 5.18 ~
* PGTABLE_LEVELS = 5
* PAGE_OFFSET = 0xff60000000000000
* Linux Kernel 5.17 ~
* PGTABLE_LEVELS = 4
* PAGE_OFFSET = 0xffffaf8000000000
* Linux Kernel 4.19 ~
* PGTABLE_LEVELS = 3
* PAGE_OFFSET = 0xffffffe000000000
Since these configurations change from time to time and version to
version, it is preferable to export them via vmcoreinfo than to change
the crash's code frequently, it can simplify the development of crash
tool.
Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
Tested-by: Deepak Gupta <debug@rivosinc.com>
Tested-by: Guo Ren <guoren@kernel.org>
Acked-by: Baoquan He <bhe@redhat.com>
Link: https://lore.kernel.org/r/20221026144208.373504-2-xianting.tian@linux.alibaba.com
[Palmer: wrap commit text]
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Current libbpf Makefile does not contain the help command, which
is inconvenient to use. Similar to the Makefile help command of the
perf, a help command is provided to list the commands supported by
libbpf make and the functions of the commands.
Signed-off-by: Xin Liu <liuxin350@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221202081738.128513-1-liuxin350@huawei.com
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Merge tag 'block-6.1-2022-12-02' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"Just a small NVMe merge for this week, fixing protection of the name
space list, and a missing clear of a reserved field when unused"
* tag 'block-6.1-2022-12-02' of git://git.kernel.dk/linux:
nvme: fix SRCU protection of nvme_ns_head list
nvme-pci: clear the prp2 field when not used
The bpf_legacy.h header uses llvm specific load functions, add
GCC compatible variants as well to fix tests using these functions
under GCC.
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221201190939.3230513-1-james.hilliard1@gmail.com
- Fix a potential divide by zero in pinctrl-singe (OMAP
and HiSilicon)
- Disable IRQs on startup in the Mediatek driver. This
is a classic, we should be looking out for this more.
- Save and restore pins in "direct IRQ" mode in the Intel
driver, this works around firmware bugs.
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Merge tag 'pinctrl-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"Three driver fixes. The Intel fix looks like the most important.
- Fix a potential divide by zero in pinctrl-singe (OMAP and
HiSilicon)
- Disable IRQs on startup in the Mediatek driver. This is a classic,
we should be looking out for this more.
- Save and restore pins in 'direct IRQ' mode in the Intel driver,
this works around firmware bugs"
* tag 'pinctrl-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: intel: Save and restore pins in "direct IRQ" mode
pinctrl: meditatek: Startup with the IRQs disabled
pinctrl: single: Fix potential division by zero
* A build-time fix for the NR_CPUS Kconfig SBI version dependency.
* A pair of fixes to early memory initialization, to fix page
permissions in EFI and post-initmem-free.
* A build-time fix for the VDSO, to avoid trying to profile the VDSO
functions.
* A pair of fixes for kexec crash handling, to fix multi-core and
interrupt related initialization inside the crash kernel.
* A fix to avoid a race condition when handling multiple concurrect
kernel stack overflows.
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Merge tag 'riscv-for-linus-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- build fix for the NR_CPUS Kconfig SBI version dependency
- fixes to early memory initialization, to fix page permissions in EFI
and post-initmem-free
- build fix for the VDSO, to avoid trying to profile the VDSO functions
- fixes for kexec crash handling, to fix multi-core and interrupt
related initialization inside the crash kernel
- fix for a race condition when handling multiple concurrect kernel
stack overflows
* tag 'riscv-for-linus-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: kexec: Fixup crash_smp_send_stop without multi cores
riscv: kexec: Fixup irq controller broken in kexec crash path
riscv: mm: Proper page permissions after initmem free
riscv: vdso: fix section overlapping under some conditions
riscv: fix race when vmap stack overflow
riscv: Sync efi page table's kernel mappings before switching
riscv: Fix NR_CPUS range conditions
- Fix ambiguous TRIM and DISCARD args
- Fix removal of debugfs file for mmc_test
MMC host:
- mtk-sd: Add missing clk_disable_unprepare() in an error path
- sdhci: Fix I/O voltage switch delay for UHS-I SD cards
- sdhci-esdhc-imx: Fix CQHCI exit halt state check
- sdhci-sprd: Fix voltage switch
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Merge tag 'mmc-v6.1-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix ambiguous TRIM and DISCARD args
- Fix removal of debugfs file for mmc_test
MMC host:
- mtk-sd: Add missing clk_disable_unprepare() in an error path
- sdhci: Fix I/O voltage switch delay for UHS-I SD cards
- sdhci-esdhc-imx: Fix CQHCI exit halt state check
- sdhci-sprd: Fix voltage switch"
* tag 'mmc-v6.1-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-sprd: Fix no reset data and command after voltage switch
mmc: sdhci: Fix voltage switch delay
mmc: mtk-sd: Fix missing clk_disable_unprepare in msdc_of_clock_parse()
mmc: mmc_test: Fix removal of debugfs file
mmc: sdhci-esdhc-imx: correct CQHCI exit halt state check
mmc: core: Fix ambiguous TRIM and DISCARD arg
The "force" argument to write_spec_ctrl_current() is currently ambiguous
as it does not guarantee the MSR write. This is due to the optimization
that writes to the MSR happen only when the new value differs from the
cached value.
This is fine in most cases, but breaks for S3 resume when the cached MSR
value gets out of sync with the hardware MSR value due to S3 resetting
it.
When x86_spec_ctrl_current is same as x86_spec_ctrl_base, the MSR write
is skipped. Which results in SPEC_CTRL mitigations not getting restored.
Move the MSR write from write_spec_ctrl_current() to a new function that
unconditionally writes to the MSR. Update the callers accordingly and
rename functions.
[ bp: Rework a bit. ]
Fixes: caa0ff24d5 ("x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value")
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: <stable@kernel.org>
Link: https://lore.kernel.org/r/806d39b0bfec2fe8f50dc5446dff20f5bb24a959.1669821572.git.pawan.kumar.gupta@linux.intel.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Likely the last piece for 6.1; the only significant fixes are ASoC
core ops fixes, while others are device-specific (rather minor)
fixes in ASoC and FireWire drivers.
All appear safe enough to take as a late stage material.
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Merge tag 'sound-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Likely the last piece for 6.1; the only significant fixes are ASoC
core ops fixes, while others are device-specific (rather minor) fixes
in ASoC and FireWire drivers.
All appear safe enough to take as a late stage material"
* tag 'sound-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: dice: fix regression for Lexicon I-ONIX FW810S
ASoC: cs42l51: Correct PGA Volume minimum value
ASoC: ops: Correct bounds check for second channel on SX controls
ASoC: tlv320adc3xxx: Fix build error for implicit function declaration
ASoC: ops: Check bounds for second channel in snd_soc_put_volsw_sx()
ASoC: ops: Fix bounds check for _sx controls
ASoC: fsl_micfil: explicitly clear CHnF flags
ASoC: fsl_micfil: explicitly clear software reset bit
i915:
- Fix dram info readout
- Remove non-existent pipes from bigjoiner pipe mask
- Fix negative value passed as remaining time
- Never return 0 if not all requests retired
amdgpu:
- VCN fix for vangogh
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Merge tag 'drm-fixes-2022-12-02' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Things do seem to have finally settled down, just four i915 and one
amdgpu this week. Probably won't have much for next week if you do
push rc8 out.
i915:
- Fix dram info readout
- Remove non-existent pipes from bigjoiner pipe mask
- Fix negative value passed as remaining time
- Never return 0 if not all requests retired
amdgpu:
- VCN fix for vangogh"
* tag 'drm-fixes-2022-12-02' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: enable Vangogh VCN indirect sram mode
drm/i915: Never return 0 if not all requests retired
drm/i915: Fix negative value passed as remaining time
drm/i915: Remove non-existent pipes from bigjoiner pipe mask
drm/i915/mtl: Fix dram info readout
In the if (dev_of_node(dev) && !pdata) path, the "err" may be assigned a
value of 0, so the error return code -EINVAL may be incorrectly set
to 0. To fix set valid return code before calling to goto.
Fixes: 35da60941e ("pstore/ram: add Device Tree bindings")
Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/1669969374-46582-1-git-send-email-wangyufen@huawei.com
Replace the open-code with device_match_of_node().
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
The probe function doesn't make use of the i2c_device_id * parameter so it
can be trivially converted.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221118224540.619276-268-uwe@kleine-koenig.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
