It turned out that relying solely on drivers storing all the PWM state
in hardware was a little premature and causes a number of subtle (and
some not so subtle) regressions. Revert the offending patch for now.
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Merge tag 'pwm/for-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"It turned out that relying solely on drivers storing all the PWM state
in hardware was a little premature and causes a number of subtle (and
some not so subtle) regressions. Revert the offending patch for now"
* tag 'pwm/for-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
Revert "pwm: Let pwm_get_state() return the last implemented state"
Nine changes, eight in drivers [ufs, target, lpfc x 2, qla2xxx x 4]
and one core change in sd that fixes an I/O failure on DIF type 3
devices.
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:
"Nine changes, eight in drivers [ufs, target, lpfc x 2, qla2xxx x 4]
and one core change in sd that fixes an I/O failure on DIF type 3
devices"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: stop timer in shutdown path
scsi: sd: define variable dif as unsigned int instead of bool
scsi: target: cxgbit: Fix cxgbit_fw4_ack()
scsi: qla2xxx: Fix partial flash write of MBI
scsi: qla2xxx: Initialized mailbox to prevent driver load failure
scsi: lpfc: Honor module parameter lpfc_use_adisc
scsi: ufs-bsg: Wake the device before sending raw upiu commands
scsi: lpfc: Check queue pointer before use
scsi: qla2xxx: fixup incorrect usage of host_byte
Our recent cleanup of EEH led to an oops on bare metal machines when the cxl
(CAPI) driver creates virtual devices for an attached FPGA accelerator.
The "secure virtual machine" support we added in v5.4 had a bug if the kernel
was relocated (moved during boot), in those cases the signature of the kernel
text wouldn't verify and the Ultravisor would refuse to run the VM.
A recent change to disable interrupts before calling arch_cpu_idle_dead() caused
a WARN_ON() in our bare metal CPU offline code to always trigger.
The KUAP (SMAP) support we added for 32-bit Book3S had a bug if the address
range crossed a segment (256MB) boundary which could lead to spurious faults.
Thanks to:
Christophe Leroy, Frederic Barrat, Michael Anderson, Nicholas Piggin, Sam
Bobroff, Thiago Jung Bauermann.
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Merge tag 'powerpc-5.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Our recent cleanup of EEH led to an oops on bare metal machines when
the cxl (CAPI) driver creates virtual devices for an attached FPGA
accelerator.
The "secure virtual machine" support we added in v5.4 had a bug if the
kernel was relocated (moved during boot), in those cases the signature
of the kernel text wouldn't verify and the Ultravisor would refuse to
run the VM.
A recent change to disable interrupts before calling
arch_cpu_idle_dead() caused a WARN_ON() in our bare metal CPU offline
code to always trigger.
The KUAP (SMAP) support we added for 32-bit Book3S had a bug if the
address range crossed a segment (256MB) boundary which could lead to
spurious faults.
Thanks to: Christophe Leroy, Frederic Barrat, Michael Anderson,
Nicholas Piggin, Sam Bobroff, Thiago Jung Bauermann"
* tag 'powerpc-5.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv: Fix CPU idle to be called with IRQs disabled
powerpc/prom_init: Undo relocation before entering secure mode
powerpc/powernv/eeh: Fix oops when probing cxl devices
powerpc/32s: fix allow/prevent_user_access() when crossing segment boundaries.
- Fix cpu idle time accounting.
- Fix stack unwinder case when both pt_regs and sp are specified.
- Fix information leak via cmm timeout proc handler.
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Merge tag 's390-5.4-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix cpu idle time accounting
- Fix stack unwinder case when both pt_regs and sp are specified
- Fix information leak via cmm timeout proc handler
* tag 's390-5.4-6' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/idle: fix cpu idle time calculation
s390/unwind: fix mixing regs and sp
s390/cmm: fix information leak in cmm_timeout_handler()
Pull networking fixes from David Miller:
1) Fix free/alloc races in batmanadv, from Sven Eckelmann.
2) Several leaks and other fixes in kTLS support of mlx5 driver, from
Tariq Toukan.
3) BPF devmap_hash cost calculation can overflow on 32-bit, from Toke
Høiland-Jørgensen.
4) Add an r8152 device ID, from Kazutoshi Noguchi.
5) Missing include in ipv6's addrconf.c, from Ben Dooks.
6) Use siphash in flow dissector, from Eric Dumazet. Attackers can
easily infer the 32-bit secret otherwise etc.
7) Several netdevice nesting depth fixes from Taehee Yoo.
8) Fix several KCSAN reported errors, from Eric Dumazet. For example,
when doing lockless skb_queue_empty() checks, and accessing
sk_napi_id/sk_incoming_cpu lockless as well.
9) Fix jumbo packet handling in RXRPC, from David Howells.
10) Bump SOMAXCONN and tcp_max_syn_backlog values, from Eric Dumazet.
11) Fix DMA synchronization in gve driver, from Yangchun Fu.
12) Several bpf offload fixes, from Jakub Kicinski.
13) Fix sk_page_frag() recursion during memory reclaim, from Tejun Heo.
14) Fix ping latency during high traffic rates in hisilicon driver, from
Jiangfent Xiao.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (146 commits)
net: fix installing orphaned programs
net: cls_bpf: fix NULL deref on offload filter removal
selftests: bpf: Skip write only files in debugfs
selftests: net: reuseport_dualstack: fix uninitalized parameter
r8169: fix wrong PHY ID issue with RTL8168dp
net: dsa: bcm_sf2: Fix IMP setup for port different than 8
net: phylink: Fix phylink_dbg() macro
gve: Fixes DMA synchronization.
inet: stop leaking jiffies on the wire
ixgbe: Remove duplicate clear_bit() call
Documentation: networking: device drivers: Remove stray asterisks
e1000: fix memory leaks
i40e: Fix receive buffer starvation for AF_XDP
igb: Fix constant media auto sense switching when no cable is connected
net: ethernet: arc: add the missed clk_disable_unprepare
igb: Enable media autosense for the i350.
igb/igc: Don't warn on fatal read failures when the device is removed
tcp: increase tcp_max_syn_backlog max value
net: increase SOMAXCONN to 4096
netdevsim: Fix use-after-free during device dismantle
...
Stable bugfixes:
- Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
Other fixes:
- The TCP back channel mustn't disappear while requests are outstanding
- The RDMA back channel mustn't disappear while requests are outstanding
- Destroy the back channel when we destroy the host transport
- Don't allow a cached open with a revoked delegation
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Merge tag 'nfs-for-5.4-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
"This contains two delegation fixes (with the RCU lock leak fix marked
for stable), and three patches to fix destroying the the sunrpc back
channel.
Stable bugfixes:
- Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
Other fixes:
- The TCP back channel mustn't disappear while requests are
outstanding
- The RDMA back channel mustn't disappear while requests are
outstanding
- Destroy the back channel when we destroy the host transport
- Don't allow a cached open with a revoked delegation"
* tag 'nfs-for-5.4-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Fix an RCU lock leak in nfs4_refresh_delegation_stateid()
NFSv4: Don't allow a cached open with a revoked delegation
SUNRPC: Destroy the back channel when we destroy the host transport
SUNRPC: The RDMA back channel mustn't disappear while requests are outstanding
SUNRPC: The TCP back channel mustn't disappear while requests are outstanding
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Merge tag 'for-linus-20191101' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Two small nvme fixes, one is a fabrics connection fix, the other one
a cleanup made possible by that fix (Anton, via Keith)
- Fix requeue handling in umb ubd (Anton)
- Fix spin_lock_irq() nesting in blk-iocost (Dan)
- Three small io_uring fixes:
- Install io_uring fd after done with ctx (me)
- Clear ->result before every poll issue (me)
- Fix leak of shadow request on error (Pavel)
* tag 'for-linus-20191101' of git://git.kernel.dk/linux-block:
iocost: don't nest spin_lock_irq in ioc_weight_write()
io_uring: ensure we clear io_kiocb->result before each issue
um-ubd: Entrust re-queue to the upper layers
nvme-multipath: remove unused groups_only mode in ana log
nvme-multipath: fix possible io hang after ctrl reconnect
io_uring: don't touch ctx in setup after ring fd install
io_uring: Fix leaked shadow_req
One fix for PCIe users:
- Fix legacy PCI I/O port access emulation
One set of cleanups:
- Resolve most of the warnings generated by sparse across arch/riscv.
No functional changes
And one MAINTAINERS update:
- Update Palmer's E-mail address
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Merge tag 'riscv/for-v5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"One fix for PCIe users:
- Fix legacy PCI I/O port access emulation
One set of cleanups:
- Resolve most of the warnings generated by sparse across arch/riscv.
No functional changes
And one MAINTAINERS update:
- Update Palmer's E-mail address"
* tag 'riscv/for-v5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
MAINTAINERS: Change to my personal email address
RISC-V: Add PCIe I/O BAR memory mapping
riscv: for C functions called only from assembly, mark with __visible
riscv: fp: add missing __user pointer annotations
riscv: add missing header file includes
riscv: mark some code and data as file-static
riscv: init: merge split string literals in preprocessor directive
riscv: add prototypes for assembly language functions from head.S
Pull parisc fix from Helge Deller:
"Fix a parisc kernel crash with ftrace functions when compiled without
frame pointers"
* 'parisc-5.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: fix frame pointer in ftrace_regs_caller()
Jakub Kicinski says:
====================
fix BPF offload related bugs
test_offload.py catches some recently added bugs.
First of a bug in test_offload.py itself after recent changes
to netdevsim is fixed.
Second patch fixes a bug in cls_bpf, and last one addresses
a problem with the recently added XDP installation optimization.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When netdevice with offloaded BPF programs is destroyed
the programs are orphaned and removed from the program
IDA - their IDs get released (the programs may remain
accessible via existing open file descriptors and pinned
files). After IDs are released they are set to 0.
This confuses dev_change_xdp_fd() because it compares
the __dev_xdp_query() result where 0 means no program
with prog->aux->id where 0 means orphaned.
dev_change_xdp_fd() would have incorrectly returned success
even though it had not installed the program.
Since drivers already catch this case via bpf_offload_dev_match()
let them handle this case. The error message drivers produce in
this case ("program loaded for a different device") is in fact
correct as the orphaned program must had to be loaded for a
different device.
Fixes: c14a9f633d ("net: Don't call XDP_SETUP_PROG when nothing is changed")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 4011921137 ("net: sched: refactor block offloads counter
usage") missed the fact that either new prog or old prog may be
NULL.
Fixes: 4011921137 ("net: sched: refactor block offloads counter usage")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DebugFS for netdevsim now contains some "action trigger" files
which are write only. Don't try to capture the contents of those.
Note that we can't use os.access() because the script requires
root.
Fixes: 4418f862d6 ("netdevsim: implement support for devlink region and snapshots")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This test reports EINVAL for getsockopt(SOL_SOCKET, SO_DOMAIN)
occasionally due to the uninitialized length parameter.
Initialize it to fix this, and also use int for "test_family" to comply
with the API standard.
Fixes: d6a61f80b8 ("soreuseport: test mixed v4/v6 sockets")
Reported-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Wei Wang <weiwan@google.com>
Cc: Craig Gallek <cgallek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As reported in [0] at least one RTL8168dp version has problems
establishing a link. This chip version has an integrated RTL8211b PHY,
however the chip seems to report a wrong PHY ID, resulting in a wrong
PHY driver (for Generic Realtek PHY) being loaded.
Work around this issue by adding a hook to r8168dp_2_mdio_read()
for returning the correct PHY ID.
[0] https://bbs.archlinux.org/viewtopic.php?id=246508
Fixes: 242cd9b586 ("r8169: use phy_resume/phy_suspend")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since it became possible for the DSA core to use a CPU port different
than 8, our bcm_sf2_imp_setup() function was broken because it assumes
that registers are applicable to port 8. In particular, the port's MAC
is going to stay disabled, so make sure we clear the RX_DIS and TX_DIS
bits if we are not configured for port 8.
Fixes: 9f91484f6f ("net: dsa: make "label" property optional for dsa2")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The phylink_dbg() macro does not follow dynamic debug or defined(DEBUG)
and as a result, it spams the kernel log since a PR_DEBUG level is
currently used. Fix it to be defined appropriately whether
CONFIG_DYNAMIC_DEBUG or defined(DEBUG) are set.
Fixes: 17091180b1 ("net: phylink: Add phylink_{printk, err, warn, info, dbg} macros")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Synces the DMA buffer properly in order for CPU and device to see
the most up-to-data data.
Signed-off-by: Yangchun Fu <yangchun@google.com>
Reviewed-by: Catherine Sullivan <csully@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Historically linux tried to stick to RFC 791, 1122, 2003
for IPv4 ID field generation.
RFC 6864 made clear that no matter how hard we try,
we can not ensure unicity of IP ID within maximum
lifetime for all datagrams with a given source
address/destination address/protocol tuple.
Linux uses a per socket inet generator (inet_id), initialized
at connection startup with a XOR of 'jiffies' and other
fields that appear clear on the wire.
Thiemo Nagel pointed that this strategy is a privacy
concern as this provides 16 bits of entropy to fingerprint
devices.
Let's switch to a random starting point, this is just as
good as far as RFC 6864 is concerned and does not leak
anything critical.
Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Thiemo Nagel <tnagel@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2019-11-01
This series contains updates to e1000, igb, igc, ixgbe, i40e and driver
documentation.
Lyude Paul fixes an issue where a fatal read error occurs when the
device is unplugged from the machine. So change the read error into a
warn while the device is still present.
Manfred Rudigier found that the i350 device was not apart of the "Media
Auto Sense" feature, yet the device supports it. So add the missing
i350 device to the check and fix an issue where the media auto sense
would flip/flop when no cable was connected to the port causing spurious
kernel log messages.
I fixed an issue where the fix to resolve receive buffer starvation was
applied in more than one place in the driver, one being the incorrect
location in the i40e driver.
Wenwen Wang fixes a potential memory leak in e1000 where allocated
memory is not properly cleaned up in one of the error paths.
Jonathan Neuschäfer cleans up the driver documentation to be consistent
and remove the footnote reference, since the footnote no longer exists in
the documentation.
Igor Pylypiv cleans up a duplicate clearing of a bit, no need to clear
it twice.
v2: Fixed alignment issue in patch 3 of the series based on community
feedback.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
__IXGBE_RX_BUILD_SKB_ENABLED bit is already cleared.
Signed-off-by: Igor Pylypiv <igor.pylypiv@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
These asterisks were once references to a line that said:
"* Other names and brands may be claimed as the property of others."
But now, they serve no purpose; they can only irritate the reader.
Fixes: de3edab427 ("e1000: update README for e1000")
Fixes: a3fb65680f ("e100.txt: Cleanup license info in kernel doc")
Fixes: da8c01c450 ("e1000e.txt: Add e1000e documentation")
Fixes: f12a84a9f6 ("Documentation: fm10k: Add kernel documentation")
Fixes: b55c52b193 ("igb.txt: Add igb documentation")
Fixes: c4e9b56e24 ("igbvf.txt: Add igbvf Documentation")
Fixes: d7064f4c19 ("Documentation/networking/: Update Intel wired LAN driver documentation")
Fixes: c4b8c01112 ("ixgbevf.txt: Update ixgbevf documentation")
Fixes: 1e06edcc2f ("Documentation: i40e: Prepare documentation for RST conversion")
Fixes: 105bf2fe6b ("i40evf: add driver to kernel build system")
Fixes: 1fae869bcf ("Documentation: ice: Prepare documentation for RST conversion")
Fixes: df69ba4321 ("ionic: Add basic framework for IONIC Network device driver")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In e1000_set_ringparam(), 'tx_old' and 'rx_old' are not deallocated if
e1000_up() fails, leading to memory leaks. Refactor the code to fix this
issue.
Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Magnus's fix to resolve a potential receive buffer starvation for AF_XDP
got applied to both the i40e_xsk_umem_enable/disable() functions, when it
should have only been applied to the "enable". So clean up the undesired
code in the disable function.
CC: Magnus Karlsson <magnus.karlsson@intel.com>
Fixes: 1f459bdc20 ("i40e: fix potential RX buffer starvation for AF_XDP")
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
At least on the i350 there is an annoying behavior that is maybe also
present on 82580 devices, but was probably not noticed yet as MAS is not
widely used.
If no cable is connected on both fiber/copper ports the media auto sense
code will constantly swap between them as part of the watchdog task and
produce many unnecessary kernel log messages.
The swap code responsible for this behavior (switching to fiber) should
not be executed if the current media type is copper and there is no signal
detected on the fiber port. In this case we can safely wait until the
AUTOSENSE_EN bit is cleared.
Signed-off-by: Manfred Rudigier <manfred.rudigier@omicronenergy.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Pull scheduler fixes from Ingo Molnar:
"Fix two scheduler topology bugs/oversights on Juno r0 2+4 big.LITTLE
systems"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/topology: Allow sched_asym_cpucapacity to be disabled
sched/topology: Don't try to build empty sched domains
Pull perf fixes from Ingo Molnar:
"Misc fixes: an ABI fix for a reserved field, AMD IBS fixes, an Intel
uncore PMU driver fix and a header typo fix"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/headers: Fix spelling s/EACCESS/EACCES/, s/privilidge/privilege/
perf/x86/uncore: Fix event group support
perf/x86/amd/ibs: Handle erratum #420 only on the affected CPU family (10h)
perf/x86/amd/ibs: Fix reading of the IBS OpData register and thus precise RIP validity
perf/core: Start rejecting the syscall with attr.__reserved_2 set
Pull EFI fixes from Ingo Molnar:
"Various fixes all over the map: prevent boot crashes on HyperV,
classify UEFI randomness as bootloader randomness, fix EFI boot for
the Raspberry Pi2, fix efi_test permissions, etc"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/efi_test: Lock down /dev/efi_test and require CAP_SYS_ADMIN
x86, efi: Never relocate kernel below lowest acceptable address
efi: libstub/arm: Account for firmware reserved memory at the base of RAM
efi/random: Treat EFI_RNG_PROTOCOL output as bootloader randomness
efi/tpm: Return -EINVAL when determining tpm final events log size fails
efi: Make CONFIG_EFI_RCI2_TABLE selectable on x86 only
Third set of fixes for 5.4. Most of them are for iwlwifi but important
fixes also for rtlwifi and mt76, the overflow fix for rtlwifi being
most important.
iwlwifi
* fix merge damage on earlier patch
* various fixes to device id handling
* fix scan config command handling which caused firmware asserts
rtlwifi
* fix overflow on P2P IE handling
* don't deliver too small frames to mac80211
mt76
* disable PCIE_ASPM
* fix buffer DMA unmap on certain cases
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Merge tag 'wireless-drivers-2019-11-01' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 5.4
Third set of fixes for 5.4. Most of them are for iwlwifi but important
fixes also for rtlwifi and mt76, the overflow fix for rtlwifi being
most important.
iwlwifi
* fix merge damage on earlier patch
* various fixes to device id handling
* fix scan config command handling which caused firmware asserts
rtlwifi
* fix overflow on P2P IE handling
* don't deliver too small frames to mac80211
mt76
* disable PCIE_ASPM
* fix buffer DMA unmap on certain cases
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The remove misses to disable and unprepare priv->macclk like what is done
when probe fails.
Add the missed call in remove.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Enable CPU errata workarounds for Broadcom Brahma-B53
- Enable CPU errata workarounds for Qualcomm Hydra/Kryo CPUs
- Fix initial dirty status of writeable, shared mappings
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"These are almost exclusively related to CPU errata in CPUs from
Broadcom and Qualcomm where the workarounds were either not being
enabled when they should have been or enabled when they shouldn't have
been.
The only "interesting" fix is ensuring that writeable, shared mappings
are initially mapped as clean since we inadvertently broke the logic
back in v4.14 and then noticed the problem via code inspection the
other day.
The only critical issue we have outstanding is a sporadic NULL
dereference in the scheduler, which doesn't appear to be
arm64-specific and PeterZ is tearing his hair out over it at the
moment.
Summary:
- Enable CPU errata workarounds for Broadcom Brahma-B53
- Enable CPU errata workarounds for Qualcomm Hydra/Kryo CPUs
- Fix initial dirty status of writeable, shared mappings"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: apply ARM64_ERRATUM_843419 workaround for Brahma-B53 core
arm64: Brahma-B53 is SSB and spectre v2 safe
arm64: apply ARM64_ERRATUM_845719 workaround for Brahma-B53 core
arm64: cpufeature: Enable Qualcomm Falkor errata 1009 for Kryo
arm64: cpufeature: Enable Qualcomm Falkor/Kryo errata 1003
arm64: Ensure VM_WRITE|VM_SHARED ptes are clean by default
x86: fix MMU corner case with AMD nested paging disabled.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"generic:
- fix memory leak on failure to create VM
x86:
- fix MMU corner case with AMD nested paging disabled"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is active
kvm: call kvm_arch_destroy_vm if vm creation fails
kvm: Allocate memslots and buses before calling kvm_arch_init_vm
amdgpu:
- clang alignment fixes
- Updated golden settings
- navi: gpuvm, sdma and display fixes
- Freesync fix
- Gamma fix for DCN
- DP dongle detection fix
- vega10: Fix for undervolting
radeon:
- reenable kexec fix for ppc
scheduler:
- set an error if hw job failed
i915:
- fix PCH reference clock for HSW/BDW
- TGL display PLL doc fix
panfrost:
- warning fix
- runtime pm fix
- bad pointer dereference fix
v3d:
- memleak fix
etnaviv:
- memory corruption fix
- deadlock fix
- reintroduce lost debug message
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Merge tag 'drm-fixes-2019-11-01' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"This is the regular drm fixes pull request for 5.4-rc6. It's a bit
larger than I'd like but then last week was quieter than usual.
The main fixes are amdgpu, and the two bigger area are navi fixes
which are the newest GPU range so still getting actively fixed up, but
also a bunch of clang stack alignment fixes (as amdgpu uses double in
some places).
Otherwise it's all fairly run of the mill fixes, i915, panfrost,
etnaviv, v3d and radeon, along with a core scheduler fix.
Summary:
amdgpu:
- clang alignment fixes
- Updated golden settings
- navi: gpuvm, sdma and display fixes
- Freesync fix
- Gamma fix for DCN
- DP dongle detection fix
- vega10: Fix for undervolting
radeon:
- reenable kexec fix for ppc
scheduler:
- set an error if hw job failed
i915:
- fix PCH reference clock for HSW/BDW
- TGL display PLL doc fix
panfrost:
- warning fix
- runtime pm fix
- bad pointer dereference fix
v3d:
- memleak fix
etnaviv:
- memory corruption fix
- deadlock fix
- reintroduce lost debug message"
* tag 'drm-fixes-2019-11-01' of git://anongit.freedesktop.org/drm/drm: (29 commits)
drm/amdgpu: enable -msse2 for GCC 7.1+ users
drm/amdgpu: fix stack alignment ABI mismatch for GCC 7.1+
drm/amdgpu: fix stack alignment ABI mismatch for Clang
drm/radeon: Fix EEH during kexec
drm/amdgpu/gmc10: properly set BANK_SELECT and FRAGMENT_SIZE
drm/amdgpu/powerplay/vega10: allow undervolting in p7
dc.c:use kzalloc without test
drm/amd/display: setting the DIG_MODE to the correct value.
drm/amd/display: Passive DP->HDMI dongle detection fix
drm/amd/display: add 50us buffer as WA for pstate switch in active
drm/amd/display: Allow inverted gamma
drm/amd/display: do not synchronize "drr" displays
drm/amdgpu: If amdgpu_ib_schedule fails return back the error.
drm/sched: Set error to s_fence if HW job submission failed.
drm/amdgpu/gfx10: update gfx golden settings for navi12
drm/amdgpu/gfx10: update gfx golden settings for navi14
drm/amdgpu/gfx10: update gfx golden settings
drm/amd/display: Change Navi14's DWB flag to 1
drm/amdgpu/sdma5: do not execute 0-sized IBs (v2)
drm/amdgpu: Fix SDMA hang when performing VKexample test
...
Fix a recently introduced (mostly theoretical) issue that the requests
to confine the maximum CPU frequency coming from the platform firmware
may not be taken into account if multiple CPUs are covered by one
cpufreq policy on a system with ACPI.
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Merge tag 'pm-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a recently introduced (mostly theoretical) issue that the requests
to confine the maximum CPU frequency coming from the platform firmware
may not be taken into account if multiple CPUs are covered by one
cpufreq policy on a system with ACPI"
* tag 'pm-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: Add QoS requests for all CPUs
A number of bug fixes and a regression fix:
- Various issues from static analysis in hfi1, uverbs, hns, and cxgb4
- Fix for deadlock in a case when the new auto RDMA module loading is
used
- Missing _irq notation in a prior -rc patch found by lockdep
- Fix a locking and lifetime issue in siw
- Minor functional bug fixes in cxgb4, mlx5, qedr
- Fix a regression where vlan interfaces no longer worked with RDMA CM in
some cases
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"A number of bug fixes and a regression fix:
- Various issues from static analysis in hfi1, uverbs, hns, and cxgb4
- Fix for deadlock in a case when the new auto RDMA module loading is
used
- Missing _irq notation in a prior -rc patch found by lockdep
- Fix a locking and lifetime issue in siw
- Minor functional bug fixes in cxgb4, mlx5, qedr
- Fix a regression where vlan interfaces no longer worked with RDMA
CM in some cases"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/hns: Prevent memory leaks of eq->buf_list
RDMA/iw_cxgb4: Avoid freeing skb twice in arp failure case
RDMA/mlx5: Use irq xarray locking for mkey_table
IB/core: Avoid deadlock during netlink message handling
RDMA/nldev: Skip counter if port doesn't match
RDMA/uverbs: Prevent potential underflow
IB/core: Use rdma_read_gid_l2_fields to compare GID L2 fields
RDMA/qedr: Fix reported firmware version
RDMA/siw: free siw_base_qp in kref release routine
RDMA/iwcm: move iw_rem_ref() calls out of spinlock
iw_cxgb4: fix ECN check on the passive accept
IB/hfi1: Use a common pad buffer for 9B and 16B packets
IB/hfi1: Avoid excessive retry for TID RDMA READ request
RDMA/mlx5: Clear old rate limit when closing QP
A copule of regression fixes and a fix for mutex deadlock at
hog-unplug, as well as other device-specific fixes:
- A commit for avoiding the spurious unsolicited interrupt on HD-
audio bus caused a stall at shutdown, so it's reverted now.
- The recent support of AMD/Nvidia audio component binding caused
a mutex deadlock; fixed by splitting to another mutex
- The device hot-unplug and the ALSA timer close combo may lead to
another mutex deadlock; fixed by moving put_device() calls
- Usual device-specific small quirks for HD- and USB-audio drivers
- An old error check fix in FireWire driver
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Merge tag 'sound-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A couple of regression fixes and a fix for mutex deadlock at
hog-unplug, as well as other device-specific fixes:
- A commit to avoid the spurious unsolicited interrupt on HD-audio
bus caused a stall at shutdown, so it's reverted now.
- The recent support of AMD/Nvidia audio component binding caused a
mutex deadlock; fixed by splitting to another mutex
- The device hot-unplug and the ALSA timer close combo may lead to
another mutex deadlock; fixed by moving put_device() calls
- Usual device-specific small quirks for HD- and USB-audio drivers
- An old error check fix in FireWire driver"
* tag 'sound-5.4-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: timer: Fix mutex deadlock at releasing card
ALSA: hda - Fix mutex deadlock in HDMI codec driver
Revert "ALSA: hda: Flush interrupts on disabling"
ALSA: bebob: Fix prototype of helper function to return negative value
ALSA: hda/realtek - Fix 2 front mics of codec 0x623
ALSA: hda/realtek - Add support for ALC623
ALSA: usb-audio: Add DSD support for Gustard U16/X26 USB Interface
A typo in nfs4_refresh_delegation_stateid() means we're leaking an
RCU lock, and always returning a value of 'false'. As the function
description states, we were always supposed to return 'true' if a
matching delegation was found.
Fixes: 12f275cdd1 ("NFSv4: Retry CLOSE and DELEGRETURN on NFS4ERR_OLD_STATEID.")
Cc: stable@vger.kernel.org # v4.15+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
If the delegation is marked as being revoked, we must not use it
for cached opens.
Fixes: 869f9dfa4d ("NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
The Broadcom Brahma-B53 core is susceptible to the issue described by
ARM64_ERRATUM_843419 so this commit enables the workaround to be applied
when executing on that core.
Since there are now multiple entries to match, we must convert the
existing ARM64_ERRATUM_843419 into an erratum list and use
cpucap_multi_entry_cap_matches to match our entries.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
Add the Brahma-B53 CPU (all versions) to the whitelists of CPUs for the
SSB and spectre v2 mitigations.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
The Broadcom Brahma-B53 core is susceptible to the issue described by
ARM64_ERRATUM_845719 so this commit enables the workaround to be applied
when executing on that core.
Since there are now multiple entries to match, we must convert the
existing ARM64_ERRATUM_845719 into an erratum list.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Will Deacon <will@kernel.org>
runtime_pm and one to prevent bogus pointer dereferences
- one fix for a memleak in v3d
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Merge tag 'drm-misc-fixes-2019-10-30-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- three fixes for panfrost, one to silence a warning, one to fix
runtime_pm and one to prevent bogus pointer dereferences
- one fix for a memleak in v3d
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191030182207.evrscl7lnv42u5zu@hendrix
This patch enables the hardware feature "Media Auto Sense" also on the
i350. It works in the same way as on the 82850 devices. Hardware designs
using dual PHYs (fiber/copper) can enable this feature by setting the MAS
enable bits in the NVM_COMPAT register (0x03) in the EEPROM.
Signed-off-by: Manfred Rudigier <manfred.rudigier@omicronenergy.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
tcp_max_syn_backlog default value depends on memory size
and TCP ehash size. Before this patch, the max value
was 2048 [1], which is considered too small nowadays.
Increase it to 4096 to match the recent SOMAXCONN change.
[1] This is with TCP ehash size being capped to 524288 buckets.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willy Tarreau <w@1wt.eu>
Cc: Yue Cao <ycao009@ucr.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
SOMAXCONN is /proc/sys/net/core/somaxconn default value.
It has been defined as 128 more than 20 years ago.
Since it caps the listen() backlog values, the very small value has
caused numerous problems over the years, and many people had
to raise it on their hosts after beeing hit by problems.
Google has been using 1024 for at least 15 years, and we increased
this to 4096 after TCP listener rework has been completed, more than
4 years ago. We got no complain of this change breaking any
legacy application.
Many applications indeed setup a TCP listener with listen(fd, -1);
meaning they let the system select the backlog.
Raising SOMAXCONN lowers chance of the port being unavailable under
even small SYNFLOOD attack, and reduces possibilities of side channel
vulnerabilities.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willy Tarreau <w@1wt.eu>
Cc: Yue Cao <ycao009@ucr.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
