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- Always set DesignWare "TLP Digest" bit so generic code can enable ECRC
via the AER Capability (Vidya Sagar)
- Drop support for config space in DT 'ranges' (Rob Herring)
- Increase width of outbound iATU size to u64 (Shradha Todi)
- Add upper limit address for outbound iATU (Shradha Todi)
- Allow dwc-based drivers that don't override any default ops (Jisheng
Zhang)
- Drop unnecessary dw_pcie_ops from the al driver (Jisheng Zhang)
* pci/dwc:
PCI: al: Remove useless dw_pcie_ops
PCI: dwc: Don't assume the ops in dw_pcie always exist
PCI: dwc: Add upper limit address for outbound iATU
PCI: dwc: Change size to u64 for EP outbound iATU
PCI: dwc: Drop support for config space in 'ranges'
PCI: dwc: Work around ECRC configuration issue
- Retrain Link to work around Gen2 training defect (Nadeem Athani)
* remotes/lorenzo/pci/cadence:
PCI: cadence: Retrain Link to work around Gen2 training defect
- Add support for BCM4908 with external PERST# signal controller (Rafał
Miłecki)
* remotes/lorenzo/pci/brcmstb:
PCI: brcmstb: support BCM4908 with external PERST# signal controller
dt-bindings: PCI: brcmstb: add BCM4908 binding
- Decline requests to resize BARs if platform requires us to preserve
resource assignments (Ard Biesheuvel)
* pci/resource:
PCI: Decline to resize resources if boot config must be preserved
- Clear AER status of the reporting device (Keith Busch)
- Clear AER status from Root Port when resetting Downstream Port (Keith
Busch)
- Retain status from error notification (Keith Busch)
- Log the type of Port that was reset for error handling (Keith Busch)
- Report reset for frozen channel (Keith Busch)
* pci/error:
PCI/portdrv: Report reset for frozen channel
PCI/AER: Specify the type of Port that was reset
PCI/ERR: Retain status from error notification
PCI/AER: Clear AER status from Root Port when resetting Downstream Port
PCI/ERR: Clear status of the reporting device
We have removed the assumption that dw_pcie_ops always exists in the dwc
core driver, so we can remove the useless dw_pcie_ops now.
Link: https://lore.kernel.org/r/20210128144324.2fa8577c@xhacker.debian
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jonathan Chocron <jonnyc@amazon.com>
Some dwc-based device drivers, especially host-only drivers, may work well
with the default read_dbi/write_dbi/link_up implementations in
pcie-designware.c, so remove the assumption that every driver implements
them to simplify those drivers.
Link: https://lore.kernel.org/r/20210128144258.10329aa4@xhacker.debian
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The size parameter is unsigned long type which can accept size > 4GB. In
that case, the upper limit address must be programmed. Add support to
program the upper limit address and set INCREASE_REGION_SIZE in case size >
4GB.
Link: https://lore.kernel.org/r/1612250918-19610-1-git-send-email-shradha.t@samsung.com
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Since outbound iATU permits size to be greater than 4GB for which the
support is also available, allow EP function to send u64 size instead of
truncating to u32.
Link: https://lore.kernel.org/r/1609929900-19082-1-git-send-email-shradha.t@samsung.com
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Since commit a0fd361db8e5 ("PCI: dwc: Move "dbi", "dbi2", and
"addr_space" resource setup into common code"), the code
setting dbi_base when the config space is defined in 'ranges' property
instead of 'reg' is dead code as dbi_base is never NULL.
Rather than fix this, let's just drop the code. Using ranges has been
deprecated since 2014. The only platforms using this were exynos5440,
i.MX6 and Spear13xx. Exynos5440 is dead and has been removed. i.MX6 and
Spear13xx had PCIe support added just before this was deprecated and
were fixed within a kernel release or 2.
Link: https://lore.kernel.org/r/20201215194149.86831-1-robh@kernel.org
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
fw_devlink will defer the probe until all suppliers are ready. We can't
use builtin_platform_driver_probe() because it doesn't retry after probe
deferral. Convert it to builtin_platform_driver().
Link: https://lore.kernel.org/r/20210120105246.23218-1-michael@walle.cc
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The LX2160A rev2 uses the same PCIe IP as LS2088A, but LX2160A rev2 PCIe
controller is integrated with different stride between PFs' register
address.
Link: https://lore.kernel.org/r/20201026051448.1913-2-Zhiqiang.Hou@nxp.com
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
DesignWare core has a TLP digest (TD) override bit in one of the control
registers of ATU. This bit also needs to be programmed for proper ECRC
functionality. This is currently identified as an issue with DesignWare
IP version 4.90a.
[bhelgaas: fix typos/grammar errors]
Link: https://lore.kernel.org/r/20201230165723.673-1-vidyas@nvidia.com
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
The PCI error recovery always resets the link for a frozen state, so the
port driver should return that a reset is required for its result. This
will get the .slot_reset() callback invoked, which is necessary to
restore the port's config space. Without this, the driver had been
relying on downstream drivers to return this status.
Link: https://lore.kernel.org/r/20210104230300.1277180-6-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
The AER driver may be called upon to reset either a Downstream or a Root
Port. Check which type it is to properly identify it when logging that
the reset occurred.
Link: https://lore.kernel.org/r/20210104230300.1277180-5-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
Overwriting the frozen detected status with the result of the link reset
loses the NEED_RESET result that drivers are depending on for error
handling to report the .slot_reset() callback. Retain this status so
that subsequent error handling has the correct flow.
Link: https://lore.kernel.org/r/20210104230300.1277180-4-kbusch@kernel.org
Reported-by: Hinko Kocevar <hinko.kocevar@ess.eu>
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sean V Kelley <sean.v.kelley@intel.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
The pci_dev parameter given to aer_root_reset() may be a Downstream Port
rather than the Root Port. Get the Root Port from the provided device in
order to clear the root's AER status.
Link: https://lore.kernel.org/r/20210104230300.1277180-3-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sean V Kelley <sean.v.kelley@intel.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
Error handling operates on the first Downstream Port above the detected
error, but the error may have been reported by a downstream device.
Clear the AER status of the device that reported the error rather than
the first Downstream Port.
Link: https://lore.kernel.org/r/20210104230300.1277180-2-kbusch@kernel.org
Tested-by: Hedi Berriche <hedi.berriche@hpe.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Sean V Kelley <sean.v.kelley@intel.com>
Acked-by: Hedi Berriche <hedi.berriche@hpe.com>
Remove the 'acpiphp_callback' typedef as it is not used.
Link: https://lore.kernel.org/r/1613443120-4279-1-git-send-email-chen45464546@163.com
Signed-off-by: Chen Lin <chen.lin5@zte.com.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Function cdns_pcie_host_map_dma_ranges() iterates over a PCIe host bridge
DMA ranges using the resource_list_for_each_entry() iterator, returning an
error if cdns_pcie_host_bar_config() fails.
49e427e6bdd1 ("Merge branch 'pci/host-probe-refactor'") botched a merge so
it *always* returned after the first DMA range, even if no error occurred.
Fix the error checking so we return early only when an error occurs.
[bhelgaas: commit log]
Fixes: 49e427e6bdd1 ("Merge branch 'pci/host-probe-refactor'")
Link: https://lore.kernel.org/r/20210216205935.3112661-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Kmemleak reports:
unreferenced object 0xc328de40 (size 64):
comm "kworker/1:1", pid 21, jiffies 4294938212 (age 1484.670s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 e0 d8 fc eb 00 00 00 00 ................
00 00 10 fe 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ad758d10>] pci_register_io_range+0x3c/0x80
[<2c7f139e>] of_pci_range_to_resource+0x48/0xc0
[<f079ecc8>] devm_of_pci_get_host_bridge_resources.constprop.0+0x2ac/0x3ac
[<e999753b>] devm_of_pci_bridge_init+0x60/0x1b8
[<a895b229>] devm_pci_alloc_host_bridge+0x54/0x64
[<e451ddb0>] rcar_pcie_probe+0x2c/0x644
In case a PCI host driver's probe is deferred, the same I/O range may be
allocated again, and be ignored, causing a memory leak.
Fix this by (a) letting logic_pio_register_range() return -EEXIST if the
passed range already exists, so pci_register_io_range() will free it, and
by (b) making pci_register_io_range() not consider -EEXIST an error
condition.
Link: https://lore.kernel.org/r/20210202100332.829047-1-geert+renesas@glider.be
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
We allow up to PCI_EXP_SLTSTA2 registers to be accessed, but the
pcie_cap_regs_behavior[] array only covers up to PCI_EXP_RTSTA. Expand
this array to avoid walking off the end of it.
Do the same for pci_regs_behavior for consistency[], and add a
BUILD_BUG_ON() to also check the bridge->conf structure size.
Fixes: 23a5fba4d941 ("PCI: Introduce PCI bridge emulated config space common logic")
Link: https://lore.kernel.org/r/E1l6z9W-0006Re-MQ@rmk-PC.armlinux.org.uk
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Pali Rohár <pali@kernel.org>
WARN_ON(in_interrupt()) is used for historic reasons to ensure proper usage
of down_read() and predates might_sleep() and lockdep.
down_read() has might_sleep() which also catches users from preemption
disabled regions while in_interrupt() does not.
Remove WARN_ON(in_interrupt()) because there are now better debugging
facilities.
Link: https://lore.kernel.org/r/20210208194400.384003-1-bigeasy@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cadence controller will not initiate autonomous speed change if strapped
as Gen2. The Retrain Link bit is set as quirk to enable this speed change.
Link: https://lore.kernel.org/r/20210209144622.26683-3-nadeem@cadence.com
Signed-off-by: Nadeem Athani <nadeem@cadence.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
CONFIG_PCI_DEBUG=y adds -DDEBUG to CFLAGS, which enables things like
pr_debug() and dev_dbg() (and hence pci_dbg()). Previously we added
-DDEBUG for files in drivers/pci/, but not files in subdirectories of
drivers/pci/.
Add -DDEBUG to CFLAGS for all files below drivers/pci/ so CONFIG_PCI_DEBUG
applies to the entire hierarchy.
[bhelgaas: commit log]
Link: https://lore.kernel.org/r/1612438215-33105-1-git-send-email-yangyicong@hisilicon.com
Signed-off-by: Junhao He <hejunhao2@hisilicon.com>
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
Update pci_ids.h with the vendor ID for Silicom Denmark. The define is
going to be referenced in driver(s) for FPGA accelerated smart NICs.
Link: https://lore.kernel.org/r/20210208150158.2877414-1-mhu@silicom.dk
Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Reviewed-by: Krzysztof Wilczyński <kw@linux.com>
The PCIe Bandwidth Change Notification feature logs messages when the link
bandwidth changes. Some users have reported that these messages occur
often enough to significantly reduce NVMe performance. GPUs also seem to
generate these messages.
We don't know why the link bandwidth changes, but in the reported cases
there's no indication that it's caused by hardware failures.
Remove the bandwidth change notifications for now. Hopefully we can add
this back when we have a better understanding of why this happens and how
we can make the messages useful instead of overwhelming.
Link: https://lore.kernel.org/r/20200115221008.GA191037@google.com/
Link: https://lore.kernel.org/r/155605909349.3575.13433421148215616375.stgit@gimli.home/
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206197
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
After 34e3207205ef ("PCI: handle positive error codes"),
pci_user_read_config_*() and pci_user_write_config_*() return 0 or negative
errno values, not PCIBIOS_* values like PCIBIOS_SUCCESSFUL or
PCIBIOS_BAD_REGISTER_NUMBER.
Remove comparisons with PCIBIOS_SUCCESSFUL and check only for non-zero. It
happens that PCIBIOS_SUCCESSFUL is zero, so this is not a functional
change, but it aligns this code with the user accessors.
[bhelgaas: commit log]
Fixes: 34e3207205ef ("PCI: handle positive error codes")
Link: https://lore.kernel.org/r/f1220314-e518-1e18-bf94-8e6f8c703758@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This message:
acpi PNP0A08:02: _OSC failed (AE_NOT_FOUND); disabling ASPM
is alarming and slightly misleading. Per the PCI Firmware Spec, r3.2, sec
4.5.1, _OSC is required for PCIe hierarchies. If _OSC is absent or fails,
the OS must not attempt to use any of the features defined for _OSC. That
includes native hotplug, native PME, AER, and other things as well as ASPM.
Rephrase the message to:
acpi PNP0A08:02: _OSC: platform retains control of PCIe features (AE_NOT_FOUND)
Previous discussion at https://lore.kernel.org/r/20200602223618.GA845676@bjorn-Precision-5520/
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Yicong Yang <yangyicong@hisilicon.com>
9778c14b4ca2 ("ACPI/PCI: Fix possible race condition on _OSC evaluation")
added locking around _OSC calls to protect the acpi_osc_data_list that
stored the results.
63f10f0f6df4 ("PCI/ACPI: move _OSC code to pci_root.c") moved the results
from acpi_osc_data_list to the struct acpi_pci_root, where it no longer
needs locking, but did not remove the lock.
Remove the unnecessary locking around _OSC calls.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
acpi_pci_osc_control_set() is only called from pci_root.c, so stop
exporting it and make it static.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The for_each_available_child_of_node helper internally makes use of the
of_get_next_available_child() which performs an of_node_get() on each
iteration when searching for next available child node.
Should an available child node be found, then it would return a device
node pointer with reference count incremented, thus early return from
the middle of the loop requires an explicit of_node_put() to prevent
reference count leak.
To stop the reference leak, explicitly call of_node_put() before
returning after an error occurred.
Link: https://lore.kernel.org/r/20210120184810.3068794-1-kw@linux.com
Signed-off-by: Krzysztof Wilczyński <kw@linux.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
BCM4908 uses external MISC block for controlling PERST# signal. Use it
as a reset controller.
Link: https://lore.kernel.org/r/20201210180421.7230-3-zajec5@gmail.com
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
BCM4908 is a SoC family with PCIe controller sharing design with the one
for STB. BCM4908 has different power management and memory controller so
few tweaks are required.
PERST# signal on BCM4908 is handled by an external MISC block so it
needs specifying a reset phandle.
Link: https://lore.kernel.org/r/20201210180421.7230-2-zajec5@gmail.com
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
The _DSM #5 method in the ACPI host bridge object tells us whether the OS
must preserve the resource assignments done by firmware. If this is the
case, we should not permit drivers to resize BARs on the fly. Make
pci_resize_resource() take this into account.
Link: https://lore.kernel.org/r/20210109095353.13417-1-ardb@kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # v5.4+
- Search for <ncurses.h> in the default header path of HOSTCC
- Tweak the option order to be kind to old BSD awk
- Remove 'kvmconfig' and 'xenconfig' shorthands
- Fix documentation
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Merge tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Search for <ncurses.h> in the default header path of HOSTCC
- Tweak the option order to be kind to old BSD awk
- Remove 'kvmconfig' and 'xenconfig' shorthands
- Fix documentation
* tag 'kbuild-fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
Documentation: kbuild: Fix section reference
kconfig: remove 'kvmconfig' and 'xenconfig' shorthands
lib/raid6: Let $(UNROLL) rules work with macOS userland
kconfig: Support building mconf with vendor sysroot ncurses
kconfig: config script: add a little user help
MAINTAINERS: adjust GCC PLUGINS after gcc-plugin.sh removal
This is two driver fixes (megaraid_sas and hisi_sas). The megaraid
one is a revert of a previous revert of a cpu hotplug fix which
exposed a bug in the block layer which has been fixed in this merge
window and the hisi_sas performance enhancement comes from switching
to interrupt managed completion queues, which depended on the addition
of devm_platform_get_irqs_affinity() which is now upstream via the irq
tree in the last merge window.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"This is two driver fixes (megaraid_sas and hisi_sas).
The megaraid one is a revert of a previous revert of a cpu hotplug fix
which exposed a bug in the block layer which has been fixed in this
merge window.
The hisi_sas performance enhancement comes from switching to interrupt
managed completion queues, which depended on the addition of
devm_platform_get_irqs_affinity() which is now upstream via the irq
tree in the last merge window"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Expose HW queues for v2 hw
Revert "Revert "scsi: megaraid_sas: Added support for shared host tagset for cpuhotplug""
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Merge tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Missing CRC32 selections (Arnd)
- Fix for a merge window regression with bdev inode init (Christoph)
- bcache fixes
- rnbd fixes
- NVMe pull request from Christoph:
- fix a race in the nvme-tcp send code (Sagi Grimberg)
- fix a list corruption in an nvme-rdma error path (Israel Rukshin)
- avoid a possible double fetch in nvme-pci (Lalithambika Krishnakumar)
- add the susystem NQN quirk for a Samsung driver (Gopal Tiwari)
- fix two compiler warnings in nvme-fcloop (James Smart)
- don't call sleeping functions from irq context in nvme-fc (James Smart)
- remove an unused argument (Max Gurtovoy)
- remove unused exports (Minwoo Im)
- Use-after-free fix for partition iteration (Ming)
- Missing blk-mq debugfs flag annotation (John)
- Bdev freeze regression fix (Satya)
- blk-iocost NULL pointer deref fix (Tejun)
* tag 'block-5.11-2021-01-10' of git://git.kernel.dk/linux-block: (26 commits)
bcache: set bcache device into read-only mode for BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET
bcache: introduce BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE for large bucket
bcache: check unsupported feature sets for bcache register
bcache: fix typo from SUUP to SUPP in features.h
bcache: set pdev_set_uuid before scond loop iteration
blk-mq-debugfs: Add decode for BLK_MQ_F_TAG_HCTX_SHARED
block/rnbd-clt: avoid module unload race with close confirmation
block/rnbd: Adding name to the Contributors List
block/rnbd-clt: Fix sg table use after free
block/rnbd-srv: Fix use after free in rnbd_srv_sess_dev_force_close
block/rnbd: Select SG_POOL for RNBD_CLIENT
block: pre-initialize struct block_device in bdev_alloc_inode
fs: Fix freeze_bdev()/thaw_bdev() accounting of bd_fsfreeze_sb
nvme: remove the unused status argument from nvme_trace_bio_complete
nvmet-rdma: Fix list_del corruption on queue establishment failure
nvme: unexport functions with no external caller
nvme: avoid possible double fetch in handling CQE
nvme-tcp: Fix possible race of io_work and direct send
nvme-pci: mark Samsung PM1725a as IGNORE_DEV_SUBNQN
nvme-fcloop: Fix sscanf type and list_first_entry_or_null warnings
...
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Merge tag 'io_uring-5.11-2021-01-10' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"A bit larger than I had hoped at this point, but it's all changes that
will be directed towards stable anyway. In detail:
- Fix a merge window regression on error return (Matthew)
- Remove useless variable declaration/assignment (Ye Bin)
- IOPOLL fixes (Pavel)
- Exit and cancelation fixes (Pavel)
- fasync lockdep complaint fix (Pavel)
- Ensure SQPOLL is synchronized with creator life time (Pavel)"
* tag 'io_uring-5.11-2021-01-10' of git://git.kernel.dk/linux-block:
io_uring: stop SQPOLL submit on creator's death
io_uring: add warn_once for io_uring_flush()
io_uring: inline io_uring_attempt_task_drop()
io_uring: io_rw_reissue lockdep annotations
io_uring: synchronise ev_posted() with waitqueues
io_uring: dont kill fasync under completion_lock
io_uring: trigger eventfd for IOPOLL
io_uring: Fix return value from alloc_fixed_file_ref_node
io_uring: Delete useless variable ‘id’ in io_prep_async_work
io_uring: cancel more aggressively in exit_work
io_uring: drop file refs after task cancel
io_uring: patch up IOPOLL overflow_flush sync
io_uring: synchronise IOPOLL on task_submit fail
