We added a new error path, but we need to drop the lock before we return.
Fixes: 2d2e1dd299 ("net: dsa: mv88e6xxx: Cache the port cmode")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CONFIG_RDS_TCP is built-in and CONFIG_IPV6 is a loadable
module, we get a link error agains the modular ipv6_chk_addr()
function:
net/rds/tcp.o: In function `rds_tcp_laddr_check':
tcp.c:(.text+0x3b2): undefined reference to `ipv6_chk_addr'
This adds back a dependency that forces RDS_TCP to also be
a loadable module when IPV6 is one.
Fixes: e65d4d9633 ("rds: Remove IPv6 dependency")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As part of the effort to reduce the code duplication between _THIS_IP_
and current_text_addr(), let's consolidate callers of
current_text_addr() to use _THIS_IP_.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
We are trying to test if these flags are set but there are some && vs &
typos.
Fixes: efd1ba6af9 ("net: dsa: mv88e6xxx: Add SERDES phydev_mac_change up for 6390")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
req->sdiag_family is a user-controlled value that's used as an array
index. Sanitize it after the bounds check to avoid speculative
out-of-bounds array access.
This also protects the sock_is_registered() call, so this removes the
sanitize call there.
Fixes: e978de7a6d ("net: socket: Fix potential spectre v1 gadget in sock_is_registered")
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: konrad.wilk@oracle.com
Cc: jamie.iles@oracle.com
Cc: liran.alon@oracle.com
Cc: stable@vger.kernel.org
Signed-off-by: Jeremy Cline <jcline@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the error path to unsubscribe all other phy's from
current phy. The actually code using a wrong kind of list iteration may
copied from the case to unsubscribe the current phy from all other
phy's.
Cc: Stefan Schmidt <stefan@datenfreihafen.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: f25da51fdc ("ieee802154: hwsim: add replacement for fakelb")
Signed-off-by: Alexander Aring <aring@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Salil Mehta says:
====================
Misc bug fixes & small enhancements for HNS3 Driver
This patch-set presents some bug fixes and minor enhancements to
HNS3 Ethernet driver.
Rework Summary:
(*) Patch V1->V2
1. Fixed David S Miller's comments
2. Dropped patch 0005 "net: hns3: Fix for vf vlan delete failed problem" for now.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Revision(0x20) HW does not support enabling or disabling individual
netdev's HW_VLAN_CTAG_FILTER feature, and Revision(0x21) supports
enabling or disabling individual netdev's HW_VLAN_CTAG_FILTER
feature.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The HNS3_RING_TX_RING_TC_REG register is used to map tx ring to
specific tc, the tx queue to tc mapping is needed by the hardware
to do the correct tx schedule.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no HNS3_RING_TX_RING_BD_LEN_REG register according
to UM, so this patch removes it.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When user set the channel num using "ethtool -L ethX", the desc num
of BD will set to default value, which will cause desc num set by
user lost problem.
This patch fixes it by restoring the desc num set by user when setting
channel num.
Fixes: 09f2af6405 ("net: hns3: add support to modify tqps number")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For marvell phy m88e1510, bit SUPPORTED_FIBRE of phydev->supported
is default on. Both phy_resume() and phy_suspend() will check the
SUPPORTED_FIBRE bit and write register of fibre page.
Currently in hns3 driver, the SUPPORTED_FIBRE bit will be cleared
after phy_connect_direct() finished. Because phy_resume() is called
in phy_connect_direct(), and phy_suspend() is called when disconnect
phy device, so the operation for fibre page register is not symmetrical.
It will cause phy link issue when reload hns3 driver.
This patch fixes it by disable the SUPPORTED_FIBRE before connecting
phy.
Fixes: 256727da73 ("net: hns3: Add MDIO support to HNS3 Ethernet driver for hip08 SoC")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Function call of phy_connect_direct will reinitialize phydev. Some
information like advertising will be lost. Phy_connect_direct only
needs to be called once. And driver can run well. This patch adds
some functions to ensure that phy_connect_direct is called only once
to solve the information of phydev lost problem occurring when we stop
the net and open it again.
Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support
Signed-off-by: Fuyun Liang <liangfuyun1@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to the functional specification of hardware, the first
descriptor of response from command 'lookup vlan talbe' is not valid.
Currently, the first descriptor is parsed as normal value, which will
cause an expected error.
This patch fixes this problem by skipping the first descriptor.
Fixes: 46a3df9f97 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for serdes loopback selftest in hns3
driver.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge L1 Terminal Fault fixes from Thomas Gleixner:
"L1TF, aka L1 Terminal Fault, is yet another speculative hardware
engineering trainwreck. It's a hardware vulnerability which allows
unprivileged speculative access to data which is available in the
Level 1 Data Cache when the page table entry controlling the virtual
address, which is used for the access, has the Present bit cleared or
other reserved bits set.
If an instruction accesses a virtual address for which the relevant
page table entry (PTE) has the Present bit cleared or other reserved
bits set, then speculative execution ignores the invalid PTE and loads
the referenced data if it is present in the Level 1 Data Cache, as if
the page referenced by the address bits in the PTE was still present
and accessible.
While this is a purely speculative mechanism and the instruction will
raise a page fault when it is retired eventually, the pure act of
loading the data and making it available to other speculative
instructions opens up the opportunity for side channel attacks to
unprivileged malicious code, similar to the Meltdown attack.
While Meltdown breaks the user space to kernel space protection, L1TF
allows to attack any physical memory address in the system and the
attack works across all protection domains. It allows an attack of SGX
and also works from inside virtual machines because the speculation
bypasses the extended page table (EPT) protection mechanism.
The assoicated CVEs are: CVE-2018-3615, CVE-2018-3620, CVE-2018-3646
The mitigations provided by this pull request include:
- Host side protection by inverting the upper address bits of a non
present page table entry so the entry points to uncacheable memory.
- Hypervisor protection by flushing L1 Data Cache on VMENTER.
- SMT (HyperThreading) control knobs, which allow to 'turn off' SMT
by offlining the sibling CPU threads. The knobs are available on
the kernel command line and at runtime via sysfs
- Control knobs for the hypervisor mitigation, related to L1D flush
and SMT control. The knobs are available on the kernel command line
and at runtime via sysfs
- Extensive documentation about L1TF including various degrees of
mitigations.
Thanks to all people who have contributed to this in various ways -
patches, review, testing, backporting - and the fruitful, sometimes
heated, but at the end constructive discussions.
There is work in progress to provide other forms of mitigations, which
might be less horrible performance wise for a particular kind of
workloads, but this is not yet ready for consumption due to their
complexity and limitations"
* 'l1tf-final' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (75 commits)
x86/microcode: Allow late microcode loading with SMT disabled
tools headers: Synchronise x86 cpufeatures.h for L1TF additions
x86/mm/kmmio: Make the tracer robust against L1TF
x86/mm/pat: Make set_memory_np() L1TF safe
x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert
x86/speculation/l1tf: Invert all not present mappings
cpu/hotplug: Fix SMT supported evaluation
KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry
x86/speculation: Use ARCH_CAPABILITIES to skip L1D flush on vmentry
x86/speculation: Simplify sysfs report of VMX L1TF vulnerability
Documentation/l1tf: Remove Yonah processors from not vulnerable list
x86/KVM/VMX: Don't set l1tf_flush_l1d from vmx_handle_external_intr()
x86/irq: Let interrupt handlers set kvm_cpu_l1tf_flush_l1d
x86: Don't include linux/irq.h from asm/hardirq.h
x86/KVM/VMX: Introduce per-host-cpu analogue of l1tf_flush_l1d
x86/irq: Demote irq_cpustat_t::__softirq_pending to u16
x86/KVM/VMX: Move the l1tf_flush_l1d test to vmx_l1d_flush()
x86/KVM/VMX: Replace 'vmx_l1d_flush_always' with 'vmx_l1d_flush_cond'
x86/KVM/VMX: Don't set l1tf_flush_l1d to true from vmx_l1d_flush()
cpu/hotplug: detect SMT disabled by BIOS
...
Pointer orangefs_inode is being assigned but is never used hence it is
redundant and can be removed.
Cleans up clang warning:
warning: variable 'orangefs_inode' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Use new return type vm_fault_t for fault handler. For now,
this is just documenting that the function returns a VM_FAULT
value rather than an errno. Once all instances are converted,
vm_fault_t will become a distinct type.
See the following
commit 1c8f422059 ("mm: change return type to vm_fault_t")
Fixed checkpatch.pl warning.
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
- Use extent maps to track pagecache page status instead of bufferhead
state.
- Refactor pagecache read and write paths to use the new iomap library
functions, which enable us to drop the old bufferhead code for
pagesize == blocksize filesystems.
- Set up parallel per-block-per-page metadata to track subpage
information that was tracked by buffer heads, which enables us to drop
the old bufferhead code for pagesize > blocksize filesystems.
- Tie a deferred ops control structure to a transaction so that we can
take advantage of an upper-level dfops without having to plumb pointer
passing through the code.
- Refactor the deferred ops code to track deferred ops as part of the
transaction structure (instead of as a separate data structure) so
that we can simplify the scoping rules around defer_ops.
- Refactor twisty delwri buffer submission code to avoid deadlocks.
- Shorten and fix indenting problems in the scrub code.
- Detect obviously bad summary counts at mount and fix them.
- Directly associate deferred ops control structure with a transaction
so that callers no longer have to manage it themselves.
- Remove a couple of IRIX-era inode macros.
- Remove the long-deprecated 'barrier' and 'nobarrier' mount options.
- Clean up the inode fork structure a bit.
- Check for bad fs summary counter values in the superblock.
- Reduce COW fork lookups during writeback.
- Refactor the deferred ops control structures into the transaction
structure, thereby eliminating the need for transaction users to
handle the deferred ops as a separate data structure.
- Add the ability to repair AG headers online.
- Fix a crash due to insufficient return value checking.
- Various fixes and cleanups.
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Merge tag 'xfs-4.19-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"This is the second part of the XFS changes for 4.19.
The biggest changes are the removal of buffer heads frm XFS, a massive
reworking of the deferred transaction operations handling code, the
removal of the long defunct barrier/nobarrier mount options, and the
addition of a few more online repair functions.
Summary:
- Use extent maps to track pagecache page status instead of
bufferhead state.
- Refactor pagecache read and write paths to use the new iomap
library functions, which enable us to drop the old bufferhead code
for pagesize == blocksize filesystems.
- Set up parallel per-block-per-page metadata to track subpage
information that was tracked by buffer heads, which enables us to
drop the old bufferhead code for pagesize > blocksize filesystems.
- Tie a deferred ops control structure to a transaction so that we
can take advantage of an upper-level dfops without having to plumb
pointer passing through the code.
- Refactor the deferred ops code to track deferred ops as part of the
transaction structure (instead of as a separate data structure) so
that we can simplify the scoping rules around defer_ops.
- Refactor twisty delwri buffer submission code to avoid deadlocks.
- Shorten and fix indenting problems in the scrub code.
- Detect obviously bad summary counts at mount and fix them.
- Directly associate deferred ops control structure with a
transaction so that callers no longer have to manage it themselves.
- Remove a couple of IRIX-era inode macros.
- Remove the long-deprecated 'barrier' and 'nobarrier' mount options.
- Clean up the inode fork structure a bit.
- Check for bad fs summary counter values in the superblock.
- Reduce COW fork lookups during writeback.
- Refactor the deferred ops control structures into the transaction
structure, thereby eliminating the need for transaction users to
handle the deferred ops as a separate data structure.
- Add the ability to repair AG headers online.
- Fix a crash due to insufficient return value checking.
- Various fixes and cleanups"
* tag 'xfs-4.19-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (155 commits)
xfs: fix a null pointer dereference in xfs_bmap_extents_to_btree
xfs: remove b_last_holder & associated macros
iomap: Switch to offset_in_page for clarity
xfs: Close race between direct IO and xfs_break_layouts()
xfs: repair the AGI
xfs: repair the AGFL
xfs: repair the AGF
xfs: remove dead error handling code in xfs_dquot_disk_alloc()
xfs: use WRITE_ONCE to update if_seq
xfs: fix a comment in xfs_log_reserve
xfs: only validate summary counts on primary superblock
xfs: substitute spaces with tabs
xfs: fold dfops into the transaction
xfs: always defer agfl block frees
xfs: pass transaction to xfs_defer_add()
xfs: replace xfs_defer_ops ->dop_pending with on-stack list
xfs: cancel dfops on xfs_defer_finish() error
xfs: clean out superfluous dfops dop params/vars
xfs: drop dop param from xfs_defer_op_type ->finish_item() callback
xfs: automatic dfops inode relogging
...
In commit 27d868b5e6 ("PCI: Set MPS to match upstream bridge"), we made
sure every device's MPS setting matches its upstream bridge, making it more
likely that a hot-added device will work in a system with an optimized MPS
configuration.
Recently I've started encountering systems where the endpoint device's MPSS
capability is less than its Root Port's current MPS value, thus the
endpoint is not capable of matching its upstream bridge's MPS setting (see:
bugzilla via "Link:" below). This leaves the system vulnerable - the
upstream Root Port could respond with larger TLPs than the device can
handle, and the device will consider them to be 'Malformed'.
One could use the "pci=pcie_bus_safe" kernel parameter to work around the
issue, but that forces a user to supply a kernel parameter to get the
system to function reliably and may end up limiting MPS settings of other
unrelated, sub-topologies which could benefit from maintaining their larger
values.
Augment Keith's approach to include tuning down a Root Port's MPS setting
when its hot-added endpoint device is not capable of matching it.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200527
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jon Mason <jdmason@kudzu.us>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Sinan Kaya <okaya@kernel.org>
Cc: Dongdong Liu <liudongdong3@huawei.com>
PCIe r4.0, sec 9.3.5.4, "Device Control Register", shows both
Max_Payload_Size (MPS) and Max_Read_request_Size (MRRS) to be 'RsvdP' for
VFs. Just prior to the table it states:
"PF and VF functionality is defined in Section 7.5.3.4 except where
noted in Table 9-16. For VF fields marked 'RsvdP', the PF setting
applies to the VF."
All of which implies that with respect to Max_Payload_Size Supported
(MPSS), MPS, and MRRS values, we should not be paying any attention to the
VF's fields, but rather only to the PF's. Only looking at the PF's fields
also logically makes sense as it's the sole physical interface to the PCIe
bus.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=200527
Fixes: 27d868b5e6 ("PCI: Set MPS to match upstream bridge")
Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org # 4.3+
Cc: Keith Busch <keith.busch@intel.com>
Cc: Sinan Kaya <okaya@kernel.org>
Cc: Dongdong Liu <liudongdong3@huawei.com>
Cc: Jon Mason <jdmason@kudzu.us>
Merge updates of the ACPI battery and button drivers and support for
a new OEM _OSI string for 4.19.
* acpi-button:
ACPI / button: fix defined but not used warning
ACPI / button: increment wakeup count only when notified
* acpi-battery:
ACPI / battery: Do not export energy_full[_design] on devices without full_charge_capacity
ACPI / battery: get rid of negations in conditions
ACPI / battery: use specialized print macros
ACPI / battery: reorder headers alphabetically
ACPI / battery: drop inclusion of init.h
ACPI: battery: remove redundant old_present check on insertion
* acpi-osi:
ACPI / OSI: Add OEM _OSI string to enable NVidia HDMI audio
Merge ACPI x86-specific changes, core updates, EC driver updates and
APEI support updates for 4.19.
These add a special platform driver for handling multiple I2C devices
hooked up to the same device object in the ACPI tables, add some new
quirks and remove one that is not needed any more.
* acpi-x86:
platform/x86: Add ACPI i2c-multi-instantiate pseudo driver
ACPI / x86: utils: Remove status workaround from acpi_device_always_present()
ACPI / x86: enable touchscreen on Dell Venue Pro 7139
* acpi-bus:
ACPI: bus: Fix a pointer coding style issue
Revert "ACPI / bus: Parse tables as term_list for Dell XPS 9570 and Precision M5530"
* acpi-ec:
ACPI / EC: Add another entry for Thinkpad X1 Carbon 6th
ACPI / EC: Use ec_no_wakeup on ThinkPad X1 Yoga 3rd
* acpi-apei:
arm64 / ACPI: clean the additional checks before calling ghes_notify_sea()
Merge ACPICA changes and updates of the ACPI device properties
framework for 4.19.
These revert two ACPICA commits that are not needed any more and
modify the properties graph support in ACPI to be more in-line with
the analogous DT code.
* acpica:
ACPICA: Update version to 20180629
ACPICA: Revert "iASL compiler: allow compilation of externals with paths that refer to existing names"
ACPICA: Revert "iASL: change processing of external op namespace nodes for correctness"
* acpi-property:
ACPI: property: graph: Update graph documentation to use generic references
ACPI: property: graph: Improve graph documentation for port/ep numbering
ACPI: property: graph: Fix graph documentation
ACPI: property: Update documentation for hierarchical data extension 1.1
ACPI: property: Document key numbering for hierarchical data extension refs
ACPI: property: Use data node name and reg property for graphs
ACPI: property: Allow direct graph endpoint references
ACPI: property: Make the ACPI graph API private
ACPI: property: Document hierarchical data extension references
ACPI: property: Allow making references to non-device nodes
ACPI: Convert ACPI reference args to generic fwnode reference args
Merge cpufreq changes for 4.19.
These are driver extensions, some driver and core fixes and a new
tracepoint for the tracking of frequency limits changes (coming from
Android).
* pm-cpufreq:
cpufreq: intel_pstate: Ignore turbo active ratio in HWP
cpufreq: Fix a circular lock dependency problem
cpu/hotplug: Add a cpus_read_trylock() function
cpufreq: trace frequency limits change
cpufreq: intel_pstate: Show different max frequency with turbo 3 and HWP
cpufreq: pcc-cpufreq: Disable dynamic scaling on many-CPU systems
cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
cpufreq / CPPC: Add cpuinfo_cur_freq support for CPPC
cpufreq: armada-37xx: Add AVS support
dt-bindings: marvell: Add documentation for the Armada 3700 AVS binding
cpufreq: imx6q/thermal: imx: register cooling device depending on OF
cpufreq: intel_pstate: use match_string() helper
Merge devfreq changes and a new CPU idle time injection framework
for 4.19.
* powercap:
powercap / idle_inject: Add an idle injection framework
* pm-devfreq:
PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload.
PM / devfreq: Init user limits from OPP limits, not viceversa
PM / devfreq: rk3399_dmc: fix spelling mistakes.
PM / devfreq: rk3399_dmc: do not print error when get supply and clk defer.
dt-bindings: devfreq: rk3399_dmc: move interrupts to be optional.
PM / devfreq: rk3399_dmc: remove wait for dcf irq event.
dt-bindings: clock: add rk3399 DDR3 standard speed bins.
dt-bindings: devfreq: rk3399_dmc: improve binding documentation.
PM / devfreq: use put_device() instead of kfree()
PM / devfreq: exynos-ppmu: Delete an error message for a failed memory allocation in exynos_ppmu_probe()
Merge changes in the PM core, system-wide PM infrastructure, generic
power domains (genpd) framework, ACPI PM infrastructure and cpuidle
for 4.19.
* pm-core:
driver core: Add flag to autoremove device link on supplier unbind
driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER
* pm-domains:
PM / Domains: Introduce dev_pm_domain_attach_by_name()
PM / Domains: Introduce option to attach a device by name to genpd
PM / Domains: dt: Add a power-domain-names property
* pm-sleep:
PM / reboot: Eliminate race between reboot and suspend
PM / hibernate: Mark expected switch fall-through
x86/power/hibernate_64: Remove VLA usage
PM / hibernate: cast PAGE_SIZE to int when comparing with error code
* acpi-pm:
ACPI / PM: save NVS memory for ASUS 1025C laptop
ACPI / PM: Default to s2idle in all machines supporting LP S0
* pm-cpuidle:
ARM: cpuidle: silence error on driver registration failure
more likely to be updated as we add new features to ext4. Add 64-bit
timestamp support to ext4's superblock fields. And the usual bug
fixes and cleanups, including a Spectre gadget fixup and some
hardening against maliciously corrupted file systems.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
- Convert content from the ext4 wiki to Documentation rst files so it
is more likely to be updated as we add new features to ext4.
- Add 64-bit timestamp support to ext4's superblock fields.
- ... and the usual bug fixes and cleanups, including a Spectre gadget
fixup and some hardening against maliciously corrupted file systems.
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (34 commits)
ext4: remove unneeded variable "err" in ext4_mb_release_inode_pa()
ext4: improve code readability in ext4_iget()
ext4: fix spectre gadget in ext4_mb_regular_allocator()
ext4: check for NUL characters in extended attribute's name
ext4: use ext4_warning() for sb_getblk failure
ext4: fix race when setting the bitmap corrupted flag
ext4: reset error code in ext4_find_entry in fallback
ext4: handle layout changes to pinned DAX mappings
dax: dax_layout_busy_page() warn on !exceptional
docs: fix up the obviously obsolete bits in the new ext4 documentation
docs: add new ext4 superblock time extension fields
docs: create filesystem internal section
ext4: use swap macro in mext_page_double_lock
ext4: check allocation failure when duplicating "data" in ext4_remount()
ext4: fix warning message in ext4_enable_quotas()
ext4: super: extend timestamps to 40 bits
jbd2: replace current_kernel_time64 with ktime equivalent
ext4: use timespec64 for all inode times
ext4: use ktime_get_real_seconds for i_dtime
ext4: use 64-bit timestamps for mmp_time
...
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Merge tag '4.19-smb3' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"smb3/cifs fixes (including 8 for stable).
Other improvements include:
- improved tracing, improved stats
- snapshots (previous version mounts work now over SMB3)
- performance (compounding enabled for statfs, ~40% faster).
- security (make it possible to build cifs.ko with insecure vers=1.0
disabled in Kconfig)"
* tag '4.19-smb3' of git://git.samba.org/sfrench/cifs-2.6: (43 commits)
smb3: create smb3 equivalent alias for cifs pseudo-xattrs
smb3: allow previous versions to be mounted with snapshot= mount parm
cifs: don't show domain= in mount output when domain is empty
cifs: add missing support for ACLs in SMB 3.11
smb3: enumerating snapshots was leaving part of the data off end
cifs: update smb2_queryfs() to use compounding
cifs: update receive_encrypted_standard to handle compounded responses
cifs: create SMB2_open_init()/SMB2_open_free() helpers.
cifs: add SMB2_query_info_[init|free]()
cifs: add SMB2_close_init()/SMB2_close_free()
smb3: display stats counters for number of slow commands
CIFS: fix uninitialized ptr deref in smb2 signing
smb3: Do not send SMB3 SET_INFO if nothing changed
smb3: fix minor debug output for CONFIG_CIFS_STATS
smb3: add tracepoint for slow responses
cifs: add compound_send_recv()
cifs: make smb_send_rqst take an array of requests
cifs: update init_sg, crypt_message to take an array of rqst
smb3: update readme to correct information about /proc/fs/cifs/Stats
smb3: fix reset of bytes read and written stats
...
Pull fs iomap refactoring from Darrick Wong:
"This is the first part of the XFS changes for 4.19.
Christoph and Andreas coordinated some refactoring work on the iomap
code in preparation for removing buffer heads from XFS and porting
gfs2 to iomap. I'm sending this small pull request ahead of the main
XFS merge to avoid holding up gfs2 unnecessarily"
* 'iomap-4.19-merge' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: add inline data support to iomap_readpage_actor
iomap: support direct I/O to inline data
iomap: refactor iomap_dio_actor
iomap: add initial support for writes without buffer heads
iomap: add an iomap-based readpage and readpages implementation
iomap: add private pointer to struct iomap
iomap: add a page_done callback
iomap: generic inline data handling
iomap: complete partial direct I/O writes synchronously
iomap: mark newly allocated buffer heads as new
fs: factor out a __generic_write_end helper
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Merge tag 'for-4.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Mostly fixes and cleanups, nothing big, though the notable thing is
the inserted/deleted lines delta -1124.
User visible changes:
- allow defrag on opened read-only files that have rw permissions;
similar to what dedupe will allow on such files
Core changes:
- tree checker improvements, reported by fuzzing:
* more checks for: block group items, essential trees
* chunk type validation
* mount time cross-checks that physical and logical chunks match
* switch more error codes to EUCLEAN aka EFSCORRUPTED
Fixes:
- fsync corner case fixes
- fix send failure when root has deleted files still open
- send, fix incorrect file layout after hole punching beyond eof
- fix races between mount and deice scan ioctl, found by fuzzing
- fix deadlock when delayed iput is called from writeback on the same
inode; rare but has been observed in practice, also removes code
- fix pinned byte accounting, using the right percpu helpers; this
should avoid some write IO inefficiency during low space conditions
- don't remove block group that still has pinned bytes
- reset on-disk device stats value after replace, otherwise this
would report stale values for the new device
Cleanups:
- time64_t/timespec64 cleanups
- remove remaining dead code in scrub handling NOCOW extents after
disabling it in previous cycle
- simplify fsync regarding ordered extents logic and remove all the
related code
- remove redundant arguments in order to reduce stack space
consumption
- remove support for V0 type of extents, not in use since 2.6.30
- remove several unused structure members
- fewer indirect function calls by inlining some callbacks
- qgroup rescan timing fixes
- vfs: iget cleanups"
* tag 'for-4.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (182 commits)
btrfs: revert fs_devices state on error of btrfs_init_new_device
btrfs: Exit gracefully when chunk map cannot be inserted to the tree
btrfs: Introduce mount time chunk <-> dev extent mapping check
btrfs: Verify that every chunk has corresponding block group at mount time
btrfs: Check that each block group has corresponding chunk at mount time
Btrfs: send, fix incorrect file layout after hole punching beyond eof
btrfs: Use wrapper macro for rcu string to remove duplicate code
btrfs: simplify btrfs_iget
btrfs: lift make_bad_inode into btrfs_iget
btrfs: simplify IS_ERR/PTR_ERR checks
btrfs: btrfs_iget never returns an is_bad_inode inode
btrfs: replace: Reset on-disk dev stats value after replace
btrfs: extent-tree: Remove unused __btrfs_free_block_rsv
btrfs: backref: Use ERR_CAST to return error code
btrfs: Remove redundant btrfs_release_path from btrfs_unlink_subvol
btrfs: Remove root parameter from btrfs_unlink_subvol
btrfs: Remove fs_info from btrfs_add_root_ref
btrfs: Remove fs_info from btrfs_del_root_ref
btrfs: Remove fs_info from btrfs_del_root
btrfs: Remove fs_info from btrfs_delete_delayed_dir_index
...
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Merge tag 'locks-v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux
Pull file locking updates from Jeff Layton:
"Just a couple of patches from Konstantin to fix /proc/locks when the
process that set the lock has exited, and a new tracepoint for the
flock() codepath. Also threw in mailmap entries for my addresses and a
comment cleanup"
* tag 'locks-v4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux:
locks: remove misleading obsolete comment
mailmap: remap some of my email addresses to kernel.org address
locks: add tracepoint in flock codepath
fs/lock: show locks taken by processes from another pidns
fs/lock: skip lock owner pid translation in case we are in init_pid_ns
Pull misc vfs updates from Al Viro:
"Misc cleanups from various folks all over the place
I expected more fs/dcache.c cleanups this cycle, so that went into a
separate branch. Said cleanups have missed the window, so in the
hindsight it could've gone into work.misc instead. Decided not to
cherry-pick, thus the 'work.dcache' branch"
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fs: dcache: Use true and false for boolean values
fold generic_readlink() into its only caller
fs: shave 8 bytes off of struct inode
fs: Add more kernel-doc to the produced documentation
fs: Fix attr.c kernel-doc
removed extra extern file_fdatawait_range
* 'work.dcache' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
kill dentry_update_name_case()
Pull vfs aio updates from Al Viro:
"Christoph's aio poll, saner this time around.
This time it's pretty much local to fs/aio.c. Hopefully race-free..."
* 'work.aio' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
aio: allow direct aio poll comletions for keyed wakeups
aio: implement IOCB_CMD_POLL
aio: add a iocb refcount
timerfd: add support for keyed wakeups
Pull vfs lookup() updates from Al Viro:
"More conversions of ->lookup() to d_splice_alias().
Should be reasonably complete now - the only leftovers are in ceph"
* 'work.lookup' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
afs_try_auto_mntpt(): return NULL instead of ERR_PTR(-ENOENT)
afs_lookup(): switch to d_splice_alias()
afs: switch dynroot lookups to d_splice_alias()
hpfs: fix an inode leak in lookup, switch to d_splice_alias()
hostfs_lookup: switch to d_splice_alias()
The bnxt_coredump_record structure is very long, causing a warning
about possible stack overflow on 32-bit architectures:
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c: In function 'bnxt_get_coredump':
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:2989:1: error: the frame size of 1188 bytes is larger than 1024 bytes [-Werror=frame-larger-than=]
I could not see any reason to operate on an on-stack copy of the
structure before copying it back into the caller-provided buffer, which
also simplifies the code here.
Fixes: 6c5657d085 ("bnxt_en: Add support for ethtool get dump.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The only remaining caller of this function is inside of an #ifdef
after another caller got removed. This causes a harmless warning
in some configurations:
drivers/net/ethernet/broadcom/bcmsysport.c:1068:13: error: 'bcm_sysport_resume_from_wol' defined but not used [-Werror=unused-function]
Removing the #ifdef around the PM functions simplifies the code
and avoids the problem but letting the compiler drop the unused
functions silently.
Fixes: 9e85e22713 ("net: systemport: Do not re-configure upon WoL interrupt")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The newly added suspend/resume functions cause a build warning
when CONFIG_PM is disabled:
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c:324:12: error: 'stmmac_pci_resume' defined but not used [-Werror=unused-function]
drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c:306:12: error: 'stmmac_pci_suspend' defined but not used [-Werror=unused-function]
Mark them as __maybe_unused so gcc can drop them silently.
Fixes: b7d0f08e91 ("net: stmmac: Fix WoL for PCI-based setups")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Removing one of the callers of pppol2tp_session_get_sock caused a harmless
warning in some configurations:
net/l2tp/l2tp_ppp.c:142:21: 'pppol2tp_session_get_sock' defined but not used [-Wunused-function]
Rather than adding another #ifdef here, using a proper IS_ENABLED()
check makes the code more readable and avoids those warnings while
letting the compiler figure out for itself which code is needed.
This adds one pointer for the unused show() callback in struct
l2tp_session, but that seems harmless.
Fixes: b0e29063dc ("l2tp: remove pppol2tp_session_ioctl()")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The utsname()->nodename string may be 64 bytes long, and it gets
copied without the trailing nul byte into the shorter record->system_name,
as gcc now warns:
In file included from include/linux/bitmap.h:9,
from include/linux/ethtool.h:16,
from drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:13:
In function 'strncpy',
inlined from 'bnxt_fill_coredump_record' at drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c:2863:2:
include/linux/string.h:254:9: error: '__builtin_strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
Using strlcpy() at least avoids overflowing the destination buffer
and adds proper nul-termination. It may still truncate long names
though, which probably can't be solved here.
Fixes: 6c5657d085 ("bnxt_en: Add support for ethtool get dump.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Building without CONFIG_PTP_1588_CLOCK results in multiple failures,
this was obviously not well tested:
drivers/net/ethernet/microchip/lan743x_ptp.c: In function 'lan743x_ptp_isr':
drivers/net/ethernet/microchip/lan743x_ptp.c:781:28: error: 'struct lan743x_ptp' has no member named 'ptp_clock'; did you mean 'tx_ts_lock'?
ptp_schedule_worker(ptp->ptp_clock, 0);
^~~~~~~~~
tx_ts_lock
drivers/net/ethernet/microchip/lan743x_ptp.c: In function 'lan743x_ptp_open':
drivers/net/ethernet/microchip/lan743x_ptp.c:879:6: error: unused variable 'ret' [-Werror=unused-variable]
int ret = -ENODEV;
^~~
At top level:
drivers/net/ethernet/microchip/lan743x_ptp.c:63:13: error: 'lan743x_ptp_tx_ts_enqueue_ts' defined but not used [-Werror=unused-function]
static void lan743x_ptp_tx_ts_enqueue_ts(struct lan743x_adapter *adapter,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
drivers/net/ethernet/microchip/lan743x_ethtool.c: In function 'lan743x_ethtool_get_ts_info':
drivers/net/ethernet/microchip/lan743x_ethtool.c:558:19: error: 'struct lan743x_ptp' has no member named 'ptp_clock'; did you mean 'tx_ts_lock'?
Those #ifdef checks are hard to get right, replace them all with
IS_ENABLED() checks that leave the same code visible to the compiler
but let it optimize out the unused bits based on the configuration.
Fixes: 07624df1c9 ("lan743x: lan743x: Add PTP support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
lan743x now fails to build when CONFIG_CRC16 is disabled:
drivers/net/ethernet/microchip/lan743x_main.o: In function crc16'
Force it on like all other users do.
Fixes: 4d94282afd ("lan743x: Add power management support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull vfs icache updates from Al Viro:
- NFS mkdir/open_by_handle race fix
- analogous solution for FUSE, replacing the one currently in mainline
- new primitive to be used when discarding halfway set up inodes on
failed object creation; gives sane warranties re icache lookups not
returning such doomed by still not freed inodes. A bunch of
filesystems switched to that animal.
- Miklos' fix for last cycle regression in iget5_locked(); -stable will
need a slightly different variant, unfortunately.
- misc bits and pieces around things icache-related (in adfs and jfs).
* 'work.mkdir' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
jfs: don't bother with make_bad_inode() in ialloc()
adfs: don't put inodes into icache
new helper: inode_fake_hash()
vfs: don't evict uninitialized inode
jfs: switch to discard_new_inode()
ext2: make sure that partially set up inodes won't be returned by ext2_iget()
udf: switch to discard_new_inode()
ufs: switch to discard_new_inode()
btrfs: switch to discard_new_inode()
new primitive: discard_new_inode()
kill d_instantiate_no_diralias()
nfs_instantiate(): prevent multiple aliases for directory inode
Pull vfs open-related updates from Al Viro:
- "do we need fput() or put_filp()" rules are gone - it's always fput()
now. We keep track of that state where it belongs - in ->f_mode.
- int *opened mess killed - in finish_open(), in ->atomic_open()
instances and in fs/namei.c code around do_last()/lookup_open()/atomic_open().
- alloc_file() wrappers with saner calling conventions are introduced
(alloc_file_clone() and alloc_file_pseudo()); callers converted, with
much simplification.
- while we are at it, saner calling conventions for path_init() and
link_path_walk(), simplifying things inside fs/namei.c (both on
open-related paths and elsewhere).
* 'work.open3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (40 commits)
few more cleanups of link_path_walk() callers
allow link_path_walk() to take ERR_PTR()
make path_init() unconditionally paired with terminate_walk()
document alloc_file() changes
make alloc_file() static
do_shmat(): grab shp->shm_file earlier, switch to alloc_file_clone()
new helper: alloc_file_clone()
create_pipe_files(): switch the first allocation to alloc_file_pseudo()
anon_inode_getfile(): switch to alloc_file_pseudo()
hugetlb_file_setup(): switch to alloc_file_pseudo()
ocxlflash_getfile(): switch to alloc_file_pseudo()
cxl_getfile(): switch to alloc_file_pseudo()
... and switch shmem_file_setup() to alloc_file_pseudo()
__shmem_file_setup(): reorder allocations
new wrapper: alloc_file_pseudo()
kill FILE_{CREATED,OPENED}
switch atomic_open() and lookup_open() to returning 0 in all success cases
document ->atomic_open() changes
->atomic_open(): return 0 in all success cases
get rid of 'opened' in path_openat() and the helpers downstream
...
New driver for NPCM7xx PWM and Fan controller
New driver for Mellanox FAN controller
Add support for MAX34451 to max34440 driver
Add support for new Threadripper variants to k10temp driver
Add error handling to adt7475 driver
Cleanup nct6775 and nct7904 drivers
Document sensor enable ABI attributes
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Merge tag 'hwmon-for-linus-v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- new driver for NPCM7xx PWM and Fan controller
- new driver for Mellanox FAN controller
- add support for MAX34451 to max34440 driver
- add support for new Threadripper variants to k10temp driver
- add error handling to adt7475 driver
- cleanup nct6775 and nct7904 drivers
- document sensor enable ABI attributes
* tag 'hwmon-for-linus-v4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (adt7475) Change show functions to return error data correctly
hwmon: (adt7475) Change update functions to add error handling
hwmon: (adt7475) Change valid parameter to bool type
hwmon: (adt7475) Split device update function to measure and limits
hwmon: k10temp: Support Threadripper 2920X, 2970WX; simplify offset table
hwmon: (k10temp) 27C Offset needed for Threadripper2
hwmon: (iio_hwmon) Use devm functions
hwmon: Add NPCM7xx PWM and Fan driver
dt-binding: hwmon: Add NPCM7xx PWM and Fan controller documentation
hwmon: (pmbus/max34440) Add support for MAX34451.
hwmon: Document the sensor enable attribute
hwmon: (mlxreg-fan) Add support for Mellanox FAN driver
hwmon: Mark expected switch fall-throughs
hwmon: (nct6775) Fix comment in the description of pwm_mode
hwmon: (nct7904) Fix UNSPECIFIED_INT warning
hwmon: (nct7904) Fix CODE_INDENT error
hwmon: (nct7904) Fix SPACING errors
Hangbin Liu says:
====================
net_sched: Fix two tc_index filter init issues
These two patches fix two tc_index filter init issues. The first one fixes
missing exts info in new filter, which will cause NULL pointer dereference
when delete tcindex filter. The second one fixes missing res info when create
new filter, which will make filter unbind failed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
