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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"Lots of tooling updates - too many to list, here's a few highlights:
- Various subcommand updates to 'perf trace', 'perf report', 'perf
record', 'perf annotate', 'perf script', 'perf test', etc.
- CPU and NUMA topology and affinity handling improvements,
- HW tracing and HW support updates:
- Intel PT updates
- ARM CoreSight updates
- vendor HW event updates
- BPF updates
- Tons of infrastructure updates, both on the build system and the
library support side
- Documentation updates.
- ... and lots of other changes, see the changelog for details.
Kernel side updates:
- Tighten up kprobes blacklist handling, reduce the number of places
where developers can install a kprobe and hang/crash the system.
- Fix/enhance vma address filter handling.
- Various PMU driver updates, small fixes and additions.
- refcount_t conversions
- BPF updates
- error code propagation enhancements
- misc other changes"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (238 commits)
perf script python: Add Python3 support to syscall-counts-by-pid.py
perf script python: Add Python3 support to syscall-counts.py
perf script python: Add Python3 support to stat-cpi.py
perf script python: Add Python3 support to stackcollapse.py
perf script python: Add Python3 support to sctop.py
perf script python: Add Python3 support to powerpc-hcalls.py
perf script python: Add Python3 support to net_dropmonitor.py
perf script python: Add Python3 support to mem-phys-addr.py
perf script python: Add Python3 support to failed-syscalls-by-pid.py
perf script python: Add Python3 support to netdev-times.py
perf tools: Add perf_exe() helper to find perf binary
perf script: Handle missing fields with -F +..
perf data: Add perf_data__open_dir_data function
perf data: Add perf_data__(create_dir|close_dir) functions
perf data: Fail check_backup in case of error
perf data: Make check_backup work over directories
perf tools: Add rm_rf_perf_data function
perf tools: Add pattern name checking to rm_rf
perf tools: Add depth checking to rm_rf
perf data: Add global path holder
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull year 2038 updates from Thomas Gleixner:
"Another round of changes to make the kernel ready for 2038. After lots
of preparatory work this is the first set of syscalls which are 2038
safe:
403 clock_gettime64
404 clock_settime64
405 clock_adjtime64
406 clock_getres_time64
407 clock_nanosleep_time64
408 timer_gettime64
409 timer_settime64
410 timerfd_gettime64
411 timerfd_settime64
412 utimensat_time64
413 pselect6_time64
414 ppoll_time64
416 io_pgetevents_time64
417 recvmmsg_time64
418 mq_timedsend_time64
419 mq_timedreceiv_time64
420 semtimedop_time64
421 rt_sigtimedwait_time64
422 futex_time64
423 sched_rr_get_interval_time64
The syscall numbers are identical all over the architectures"
* 'timers-2038-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (36 commits)
riscv: Use latest system call ABI
checksyscalls: fix up mq_timedreceive and stat exceptions
unicore32: Fix __ARCH_WANT_STAT64 definition
asm-generic: Make time32 syscall numbers optional
asm-generic: Drop getrlimit and setrlimit syscalls from default list
32-bit userspace ABI: introduce ARCH_32BIT_OFF_T config option
compat ABI: use non-compat openat and open_by_handle_at variants
y2038: add 64-bit time_t syscalls to all 32-bit architectures
y2038: rename old time and utime syscalls
y2038: remove struct definition redirects
y2038: use time32 syscall names on 32-bit
syscalls: remove obsolete __IGNORE_ macros
y2038: syscalls: rename y2038 compat syscalls
x86/x32: use time64 versions of sigtimedwait and recvmmsg
timex: change syscalls to use struct __kernel_timex
timex: use __kernel_timex internally
sparc64: add custom adjtimex/clock_adjtime functions
time: fix sys_timer_settime prototype
time: Add struct __kernel_timex
time: make adjtime compat handling available for 32 bit
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto update from Herbert Xu:
"API:
- Add helper for simple skcipher modes.
- Add helper to register multiple templates.
- Set CRYPTO_TFM_NEED_KEY when setkey fails.
- Require neither or both of export/import in shash.
- AEAD decryption test vectors are now generated from encryption
ones.
- New option CONFIG_CRYPTO_MANAGER_EXTRA_TESTS that includes random
fuzzing.
Algorithms:
- Conversions to skcipher and helper for many templates.
- Add more test vectors for nhpoly1305 and adiantum.
Drivers:
- Add crypto4xx prng support.
- Add xcbc/cmac/ecb support in caam.
- Add AES support for Exynos5433 in s5p.
- Remove sha384/sha512 from artpec7 as hardware cannot do partial
hash"
[ There is a merge of the Freescale SoC tree in order to pull in changes
required by patches to the caam/qi2 driver. ]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (174 commits)
crypto: s5p - add AES support for Exynos5433
dt-bindings: crypto: document Exynos5433 SlimSSS
crypto: crypto4xx - add missing of_node_put after of_device_is_available
crypto: cavium/zip - fix collision with generic cra_driver_name
crypto: af_alg - use struct_size() in sock_kfree_s()
crypto: caam - remove redundant likely/unlikely annotation
crypto: s5p - update iv after AES-CBC op end
crypto: x86/poly1305 - Clear key material from stack in SSE2 variant
crypto: caam - generate hash keys in-place
crypto: caam - fix DMA mapping xcbc key twice
crypto: caam - fix hash context DMA unmap size
hwrng: bcm2835 - fix probe as platform device
crypto: s5p-sss - Use AES_BLOCK_SIZE define instead of number
crypto: stm32 - drop pointless static qualifier in stm32_hash_remove()
crypto: chelsio - Fixed Traffic Stall
crypto: marvell - Remove set but not used variable 'ivsize'
crypto: ccp - Update driver messages to remove some confusion
crypto: adiantum - add 1536 and 4096-byte test vectors
crypto: nhpoly1305 - add a test vector with len % 16 != 0
crypto: arm/aes-ce - update IV after partial final CTR block
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Pull networking updates from David Miller:
"Here we go, another merge window full of networking and #ebpf changes:
1) Snoop DHCPACKS in batman-adv to learn MAC/IP pairs in the DHCP
range without dealing with floods of ARP traffic, from Linus
Lüssing.
2) Throttle buffered multicast packet transmission in mt76, from
Felix Fietkau.
3) Support adaptive interrupt moderation in ice, from Brett Creeley.
4) A lot of struct_size conversions, from Gustavo A. R. Silva.
5) Add peek/push/pop commands to bpftool, as well as bash completion,
from Stanislav Fomichev.
6) Optimize sk_msg_clone(), from Vakul Garg.
7) Add SO_BINDTOIFINDEX, from David Herrmann.
8) Be more conservative with local resends due to local congestion,
from Yuchung Cheng.
9) Allow vetoing of unsupported VXLAN FDBs, from Petr Machata.
10) Add health buffer support to devlink, from Eran Ben Elisha.
11) Add TXQ scheduling API to mac80211, from Toke Høiland-Jørgensen.
12) Add statistics to basic packet scheduler filter, from Cong Wang.
13) Add GRE tunnel support for mlxsw Spectrum-2, from Nir Dotan.
14) Lots of new IP tunneling forwarding tests, also from Nir Dotan.
15) Add 3ad stats to bonding, from Nikolay Aleksandrov.
16) Lots of probing improvements for bpftool, from Quentin Monnet.
17) Various nfp drive #ebpf JIT improvements from Jakub Kicinski.
18) Allow #ebpf programs to access gso_segs from skb shared info, from
Eric Dumazet.
19) Add sock_diag support for AF_XDP sockets, from Björn Töpel.
20) Support 22260 iwlwifi devices, from Luca Coelho.
21) Use rbtree for ipv6 defragmentation, from Peter Oskolkov.
22) Add JMP32 instruction class support to #ebpf, from Jiong Wang.
23) Add spinlock support to #ebpf, from Alexei Starovoitov.
24) Support 256-bit keys and TLS 1.3 in ktls, from Dave Watson.
25) Add device infomation API to devlink, from Jakub Kicinski.
26) Add new timestamping socket options which are y2038 safe, from
Deepa Dinamani.
27) Add RX checksum offloading for various sh_eth chips, from Sergei
Shtylyov.
28) Flow offload infrastructure, from Pablo Neira Ayuso.
29) Numerous cleanups, improvements, and bug fixes to the PHY layer
and many drivers from Heiner Kallweit.
30) Lots of changes to try and make packet scheduler classifiers run
lockless as much as possible, from Vlad Buslov.
31) Support BCM957504 chip in bnxt_en driver, from Erik Burrows.
32) Add concurrency tests to tc-tests infrastructure, from Vlad
Buslov.
33) Add hwmon support to aquantia, from Heiner Kallweit.
34) Allow 64-bit values for SO_MAX_PACING_RATE, from Eric Dumazet.
And I would be remiss if I didn't thank the various major networking
subsystem maintainers for integrating much of this work before I even
saw it. Alexei Starovoitov, Daniel Borkmann, Pablo Neira Ayuso,
Johannes Berg, Kalle Valo, and many others. Thank you!"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2207 commits)
net/sched: avoid unused-label warning
net: ignore sysctl_devconf_inherit_init_net without SYSCTL
phy: mdio-mux: fix Kconfig dependencies
net: phy: use phy_modify_mmd_changed in genphy_c45_an_config_aneg
net: dsa: mv88e6xxx: add call to mv88e6xxx_ports_cmode_init to probe for new DSA framework
selftest/net: Remove duplicate header
sky2: Disable MSI on Dell Inspiron 1545 and Gateway P-79
net/mlx5e: Update tx reporter status in case channels were successfully opened
devlink: Add support for direct reporter health state update
devlink: Update reporter state to error even if recover aborted
sctp: call iov_iter_revert() after sending ABORT
team: Free BPF filter when unregistering netdev
ip6mr: Do not call __IP6_INC_STATS() from preemptible context
isdn: mISDN: Fix potential NULL pointer dereference of kzalloc
net: dsa: mv88e6xxx: support in-band signalling on SGMII ports with external PHYs
cxgb4/chtls: Prefix adapter flags with CXGB4
net-sysfs: Switch to bitmap_zalloc()
mellanox: Switch to bitmap_zalloc()
bpf: add test cases for non-pointer sanitiation logic
mlxsw: i2c: Extend initialization by querying resources data
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A fairly quiet release for SPI, the biggest thing is the conversion to
use GPIO descriptors which is now 90% done but still needs some
stragglers converting.
Summary:
- Support for inter-word delays
- Conversion of the core and most drivers to use GPIO descriptors for
GPIO controlled chip selects
- New drivers for NXP FlexSPI and QuadSPI, SiFive and Spreadtrum"
* tag 'spi-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (104 commits)
spi: sh-msiof: Restrict bits per word to 8/16/24/32 on R-Car Gen2/3
spi: sifive: Remove redundant dev_err call in sifive_spi_probe()
spi: sifive: Remove spi_master_put in sifive_spi_remove()
spi: spi-gpio: fix SPI_CS_HIGH capability
spi: pxa2xx: Setup maximum supported DMA transfer length
spi: sifive: Add driver for the SiFive SPI controller
spi: sifive: Add DT documentation for SiFive SPI controller
spi: sprd: Add a prefix for SPI DMA channel macros
spi: sprd: spi: sprd: Add DMA mode support
dt-bindings: spi: Add the DMA properties for the SPI dma mode
spi: sprd: Add the SPI irq function for the SPI DMA mode
dt-bindings: spi: imx: Add an entry for the i.MX8QM compatible
spi: use gpio[d]_set_value_cansleep for setting chipselect GPIO
spi: gpio: Advertise support for SPI_CS_HIGH
spi: sh-msiof: Replace spi_master by spi_controller
spi: sh-hspi: Replace spi_master by spi_controller
spi: rspi: Replace spi_master by spi_controller
spi: atmel-quadspi: add support for sam9x60 qspi controller
dt-bindings: spi: atmel-quadspi: QuadSPI driver for Microchip SAM9X60
spi: atmel-quadspi: add support for named peripheral clock
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The bulk of the standout changes in this release are cleanups, with
the core work being a combination of factoring out common code into
helpers and the completion of the conversion of the core to use GPIO
descriptors.
Summary:
- Addition of helper functions for current limits and conversion of
drivers to use them by Axel Lin.
- Lots and lots of cleanups from Axel Lin.
- Conversion of the core to use GPIO descriptors rather than numbers
by Linus Walleij.
- New drivers for Maxim MAX77650 and ROHM BD70528"
* tag 'regulator-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (131 commits)
regulator: mc13xxx: Constify regulator_ops variables
regulator: palmas: Constify palmas_smps_ramp_delay array
regulator: wm831x-dcdc: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88090: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88080: Convert to use regulator_set/get_current_limit_regmap
regulator: pv88060: Convert to use regulator_set/get_current_limit_regmap
regulator: max77650: Convert to use regulator_set/get_current_limit_regmap
regulator: lp873x: Convert to use regulator_set/get_current_limit_regmap
regulator: lp872x: Convert to use regulator_set/get_current_limit_regmap
regulator: da9210: Convert to use regulator_set/get_current_limit_regmap
regulator: da9055: Convert to use regulator_set/get_current_limit_regmap
regulator: core: Add set/get_current_limit helpers for regmap users
regulator: Fix comment for csel_reg and csel_mask
regulator: stm32-vrefbuf: add power management support
regulator: 88pm8607: Remove unused fields from struct pm8607_regulator_info
regulator: 88pm8607: Simplify pm8607_list_voltage implementation
regulator: cpcap: Constify omap4_regulators and xoom_regulators
regulator: cpcap: Remove unused vsel_shift from struct cpcap_regulator
dt-bindings: regulator: tps65218: rectify units of LS3
dt-bindings: regulator: add LS2 load switch documentation
...
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Every in-kernel use of this function defined it to KERNEL_DS (either as
an actual define, or as an inline function). It's an entirely
historical artifact, and long long long ago used to actually read the
segment selector valueof '%ds' on x86.
Which in the kernel is always KERNEL_DS.
Inspired by a patch from Jann Horn that just did this for a very small
subset of users (the ones in fs/), along with Al who suggested a script.
I then just took it to the logical extreme and removed all the remaining
gunk.
Roughly scripted with
git grep -l '(get_ds())' -- :^tools/ | xargs sed -i 's/(get_ds())/(KERNEL_DS)/'
git grep -lw 'get_ds' -- :^tools/ | xargs sed -i '/^#define get_ds()/d'
plus manual fixups to remove a few unusual usage patterns, the couple of
inline function cases and to fix up a comment that had become stale.
The 'get_ds()' function remains in an x86 kvm selftest, since in user
space it actually does something relevant.
Inspired-by: Jann Horn <jannh@google.com>
Inspired-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"One more set of simple ARM platform fixes:
- A boot regression on qualcomm msm8998
- Gemini display controllers got turned off by accident
- incorrect reference counting in optee"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
tee: optee: add missing of_node_put after of_device_is_available
arm64: dts: qcom: msm8998: Extend TZ reserved memory area
ARM: dts: gemini: Re-enable display controller
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes a compiler warning introduced by a previous fix, as well as
two crash bugs on ARM"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: sha512/arm - fix crash bug in Thumb2 build
crypto: sha256/arm - fix crash bug in Thumb2 build
crypto: ccree - add missing inline qualifier
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground into timers/2038
Pull additional syscall ABI cleanup for y2038 from Arnd Bergmann:
This is a follow-up to the y2038 syscall patches already merged in the tip
tree. As the final 32-bit RISC-V syscall ABI is still being decided on,
this is the last chance to make a few corrections to leave out interfaces
based on 32-bit time_t along with the old off_t and rlimit types.
The series achieves this in a few steps:
- A couple of bug fixes for minor regressions I introduced
in the original series
- A couple of older patches from Yury Norov that I had never
merged in the past, these fix up the openat/open_by_handle_at and
getrlimit/setrlimit syscalls to disallow the old versions of off_t
and rlimit.
- Hiding the deprecated system calls behind an #ifdef in
include/uapi/asm-generic/unistd.h
- Change arch/riscv to drop all these ABIs.
Originally, the plan was to also leave these out on C-Sky, but that now
has a glibc port that uses the older interfaces, so we need to leave
them in place.
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commit 137cd7100ec6fa36d610e106df00acb4d8af99df
"ARM: dts: Enable Gemini flash access" contained a bug
by disabling the display controller, while the whole
idea with the patch was to enable flash access AND
the display controller, simultaneously. Fix it up.
Fixes: 137cd7100ec6 ("ARM: dts: Enable Gemini flash access")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Three conflicts, one of which, for marvell10g.c is non-trivial and
requires some follow-up from Heiner or someone else.
The issue is that Heiner converted the marvell10g driver over to
use the generic c45 code as much as possible.
However, in 'net' a bug fix appeared which makes sure that a new
local mask (MDIO_AN_10GBT_CTRL_ADV_NBT_MASK) with value 0x01e0
is cleared.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Only a handful of device tree fixes, all simple enough:
NVIDIA Tegra:
- Fix a regression for booting on chromebooks
TI OMAP:
- Two fixes PHY mode on am335x reference boards
Marvell mvebu:
- A regression fix for Armada XP NAND flash controllers
- An incorrect reset signal on the clearfog board"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: tegra: Restore DT ABI on Tegra124 Chromebooks
ARM: dts: am335x-evm: Fix PHY mode for ethernet
ARM: dts: am335x-evmsk: Fix PHY mode for ethernet
arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
ARM: dts: armada-xp: fix Armada XP boards NAND description
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arm/fixes
mvebu fixes for 5.0 (part 2)
Fix PHY reset signal on clearfog gt 8K (Armada 8040 based)
Fix NAND description on Armada XP boards which was broken since a few
release
* tag 'mvebu-fixes-5.0-2' of git://git.infradead.org/linux-mvebu:
arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
ARM: dts: armada-xp: fix Armada XP boards NAND description
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Two am335x ethernet phy mode fixes for v5.0-rc cycle
Recent changes with commit cd28d1d6e52e: ("net: phy: at803x: Disable phy
delay for RGMII mode") broke Ethernet on am335x-evmsk, and turns out some
device driver fixes are needed.
Even without the driver fixes, am335x needs to run in rgmii-id mode instead
rgmii-txid mode. Things have been working based on luck as the broken driver
has been configuring rgmii-id mode. Let's fix that as that way things work
as they're supposed to work from hardware wiring point of view.
* tag 'omap-for-v5.0/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: am335x-evm: Fix PHY mode for ethernet
ARM: dts: am335x-evmsk: Fix PHY mode for ethernet
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Make the arm ctr-aes-ce algorithm update the IV buffer to contain the
next counter after processing a partial final block, rather than leave
it as the last counter. This makes ctr-aes-ce pass the updated AES-CTR
tests. This change also makes the code match the arm64 version in
arch/arm64/crypto/aes-modes.S more closely.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The SHA512 code we adopted from the OpenSSL project uses a rather
peculiar way to take the address of the round constant table: it
takes the address of the sha256_block_data_order() routine, and
substracts a constant known quantity to arrive at the base of the
table, which is emitted by the same assembler code right before
the routine's entry point.
However, recent versions of binutils have helpfully changed the
behavior of references emitted via an ADR instruction when running
in Thumb2 mode: it now takes the Thumb execution mode bit into
account, which is bit 0 af the address. This means the produced
table address also has bit 0 set, and so we end up with an address
value pointing 1 byte past the start of the table, which results
in crashes such as
Unable to handle kernel paging request at virtual address bf825000
pgd = 42f44b11
[bf825000] *pgd=80000040206003, *pmd=5f1bd003, *pte=00000000
Internal error: Oops: 207 [#1] PREEMPT SMP THUMB2
Modules linked in: sha256_arm(+) sha1_arm_ce sha1_arm ...
CPU: 7 PID: 396 Comm: cryptomgr_test Not tainted 5.0.0-rc6+ #144
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
PC is at sha256_block_data_order+0xaaa/0xb30 [sha256_arm]
LR is at __this_module+0x17fd/0xffffe800 [sha256_arm]
pc : [<bf820bca>] lr : [<bf824ffd>] psr: 800b0033
sp : ebc8bbe8 ip : faaabe1c fp : 2fdd3433
r10: 4c5f1692 r9 : e43037df r8 : b04b0a5a
r7 : c369d722 r6 : 39c3693e r5 : 7a013189 r4 : 1580d26b
r3 : 8762a9b0 r2 : eea9c2cd r1 : 3e9ab536 r0 : 1dea4ae7
Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment user
Control: 70c5383d Table: 6b8467c0 DAC: dbadc0de
Process cryptomgr_test (pid: 396, stack limit = 0x69e1fe23)
Stack: (0xebc8bbe8 to 0xebc8c000)
...
unwind: Unknown symbol address bf820bca
unwind: Index not found bf820bca
Code: 441a ea80 40f9 440a (f85e) 3b04
---[ end trace e560cce92700ef8a ]---
Given that this affects older kernels as well, in case they are built
with a recent toolchain, apply a minimal backportable fix, which is
to emit another non-code label at the start of the routine, and
reference that instead. (This is similar to the current upstream state
of this file in OpenSSL)
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The SHA256 code we adopted from the OpenSSL project uses a rather
peculiar way to take the address of the round constant table: it
takes the address of the sha256_block_data_order() routine, and
substracts a constant known quantity to arrive at the base of the
table, which is emitted by the same assembler code right before
the routine's entry point.
However, recent versions of binutils have helpfully changed the
behavior of references emitted via an ADR instruction when running
in Thumb2 mode: it now takes the Thumb execution mode bit into
account, which is bit 0 af the address. This means the produced
table address also has bit 0 set, and so we end up with an address
value pointing 1 byte past the start of the table, which results
in crashes such as
Unable to handle kernel paging request at virtual address bf825000
pgd = 42f44b11
[bf825000] *pgd=80000040206003, *pmd=5f1bd003, *pte=00000000
Internal error: Oops: 207 [#1] PREEMPT SMP THUMB2
Modules linked in: sha256_arm(+) sha1_arm_ce sha1_arm ...
CPU: 7 PID: 396 Comm: cryptomgr_test Not tainted 5.0.0-rc6+ #144
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
PC is at sha256_block_data_order+0xaaa/0xb30 [sha256_arm]
LR is at __this_module+0x17fd/0xffffe800 [sha256_arm]
pc : [<bf820bca>] lr : [<bf824ffd>] psr: 800b0033
sp : ebc8bbe8 ip : faaabe1c fp : 2fdd3433
r10: 4c5f1692 r9 : e43037df r8 : b04b0a5a
r7 : c369d722 r6 : 39c3693e r5 : 7a013189 r4 : 1580d26b
r3 : 8762a9b0 r2 : eea9c2cd r1 : 3e9ab536 r0 : 1dea4ae7
Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment user
Control: 70c5383d Table: 6b8467c0 DAC: dbadc0de
Process cryptomgr_test (pid: 396, stack limit = 0x69e1fe23)
Stack: (0xebc8bbe8 to 0xebc8c000)
...
unwind: Unknown symbol address bf820bca
unwind: Index not found bf820bca
Code: 441a ea80 40f9 440a (f85e) 3b04
---[ end trace e560cce92700ef8a ]---
Given that this affects older kernels as well, in case they are built
with a recent toolchain, apply a minimal backportable fix, which is
to emit another non-code label at the start of the routine, and
reference that instead. (This is similar to the current upstream state
of this file in OpenSSL)
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 482997699ef0 ("ARM: tegra: Fix unit_address_vs_reg DTC warnings
for /memory") inadventently broke device tree ABI by adding a unit-
address to the "/memory" node because the device tree compiler flagged
the missing unit-address as a warning.
Tegra124 Chromebooks (a.k.a. Nyan) use a bootloader that relies on the
full name of the memory node in device tree being exactly "/memory". It
can be argued whether this was a good decision or not, and some other
bootloaders (such as U-Boot) do accept a unit-address in the name of the
node, but the device tree is an ABI and we can't break existing setups
just because the device tree compiler considers it bad practice to omit
the unit-address nowadays.
This partially reverts the offending commit and restores device tree ABI
compatibility.
Fixes: 482997699ef0 ("ARM: tegra: Fix unit_address_vs_reg DTC warnings for /memory")
Reported-by: Tristan Bastian <tristan-c.bastian@gmx.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Tested-by: Tristan Bastian <tristan-c.bastian@gmx.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Two easily resolvable overlapping change conflicts, one in
TCP and one in the eBPF verifier.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PHY must add both tx and rx delay and not only on the tx clock.
The board uses AR8031_AL1A PHY where the rx delay is enabled by default,
the tx dealy is disabled.
The reason why rgmii-txid worked because the rx delay was not disabled by
the driver so essentially we ended up with rgmii-id PHY mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The PHY must add both tx and rx delay and not only on the tx clock.
The board uses AR8031_AL1A PHY where the rx delay is enabled by default,
the tx dealy is disabled.
The reason why rgmii-txid worked because the rx delay was not disabled by
the driver so essentially we ended up with rgmii-id PHY mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Commit 3b79919946cd2cf4dac47842afc9a893acec4ed7 ("ARM: dts:
armada-370-xp: update NAND node with new bindings") updated some
Marvell Armada DT description to use the new NAND controller bindings,
but did it incorrectly for a number of boards: armada-xp-gp,
armada-xp-db and armada-xp-lenovo-ix4-300d. Due to this, the NAND is
no longer detected on those platforms.
This commit fixes that by properly using the new NAND DT binding. This
commit was runtime-tested on Armada XP GP, the two other platforms are
only compile-tested.
Fixes: 3b79919946cd2 ("ARM: dts: armada-370-xp: update NAND node with new bindings")
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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All new 32-bit architectures should have 64-bit userspace off_t type, but
existing architectures has 32-bit ones.
To enforce the rule, new config option is added to arch/Kconfig that defaults
ARCH_32BIT_OFF_T to be disabled for new 32-bit architectures. All existing
32-bit architectures enable it explicitly.
New option affects force_o_largefile() behaviour. Namely, if userspace
off_t is 64-bits long, we have no reason to reject user to open big files.
Note that even if architectures has only 64-bit off_t in the kernel
(arc, c6x, h8300, hexagon, nios2, openrisc, and unicore32),
a libc may use 32-bit off_t, and therefore want to limit the file size
to 4GB unless specified differently in the open flags.
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Yury Norov <ynorov@marvell.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull ARM fixes from Russell King:
"A few ARM fixes:
- Dietmar Eggemann noticed an issue with IRQ migration during CPU
hotplug stress testing.
- Mathieu Desnoyers noticed that a previous fix broke optimised
kprobes.
- Robin Murphy noticed a case where we were not clearing the dma_ops"
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8835/1: dma-mapping: Clear DMA ops on teardown
ARM: 8834/1: Fix: kprobes: optimized kprobes illegal instruction
ARM: 8824/1: fix a migrating irq bug when hotplug cpu
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Pull KVM fixes from Paolo Bonzini:
"A somewhat bigger ARM update, and the usual smattering of x86 bug
fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: vmx: Fix entry number check for add_atomic_switch_msr()
KVM: x86: Recompute PID.ON when clearing PID.SN
KVM: nVMX: Restore a preemption timer consistency check
x86/kvm/nVMX: read from MSR_IA32_VMX_PROCBASED_CTLS2 only when it is available
KVM: arm64: Forbid kprobing of the VHE world-switch code
KVM: arm64: Relax the restriction on using stage2 PUD huge mapping
arm: KVM: Add missing kvm_stage2_has_pmd() helper
KVM: arm/arm64: vgic: Always initialize the group of private IRQs
arm/arm64: KVM: Don't panic on failure to properly reset system registers
arm/arm64: KVM: Allow a VCPU to fully reset itself
KVM: arm/arm64: Reset the VCPU without preemption and vcpu state loaded
arm64: KVM: Don't generate UNDEF when LORegion feature is present
KVM: arm/arm64: vgic: Make vgic_cpu->ap_list_lock a raw_spinlock
KVM: arm/arm64: vgic: Make vgic_dist->lpi_list_lock a raw_spinlock
KVM: arm/arm64: vgic: Make vgic_irq->irq_lock a raw_spinlock
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The netfilter conflicts were rather simple overlapping
changes.
However, the cls_tcindex.c stuff was a bit more complex.
On the 'net' side, Cong is fixing several races and memory
leaks. Whilst on the 'net-next' side we have Vlad adding
the rtnl-ness support.
What I've decided to do, in order to resolve this, is revert the
conversion over to using a workqueue that Cong did, bringing us back
to pure RCU. I did it this way because I believe that either Cong's
races don't apply with have Vlad did things, or Cong will have to
implement the race fix slightly differently.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Fix omap4 and later lost cpu1 interrupts for periodic timer
A fix from Russell that took a while to get applied into fixes as
I thought Russell is merging this one.
* tag 'omap-for-v5.0/fixes-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: fix lack of timer interrupts on CPU1 after hotplug
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Drop one non-existent component from powerdomain list.
* tag 'v5.0-rockchip-dts32fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: remove qos_cif1 from rk3188 power-domain
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
SoC fixes for omaps for v5.0-rc cycle
This series contains two SoC regression fixes and one uninitialized
variable fix:
- Fix inverted nirq pin handling for omap5 that started producing
warnings with earlier GIC direction checks and took a while to
understand and confirm. Basically there are two sys_nirq pins
that are bypassing peripheral modules and inverted automatically
by the SoC and need to be handled with a custom irq_set_type()
- Recent ti-sysc changes caused a regression to the pwm-omap-dmtimer
code where the device tree handling code for timer source clock
gets confused. It looks like we can remove that code eventually,
but for now we just drop a bogus pm_runtime_irq_safe() for the
timers with the related quirks caused by pm_runtime_irq_safe(),
and have the standard assigned-clocks and assigned-clock-parents
deal with setting the source clock
- Fix potentially uninitialized value for display init code if
regmap_read() fails
* tag 'omap-for-v5.0/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Variable "reg" in function omap4_dsi_mux_pads() could be uninitialized
ARM: dts: Configure clock parent for pwm vibra
bus: ti-sysc: Fix timer handling with drop pm_runtime_irq_safe()
ARM: OMAP5+: Fix inverted nirq pin interrupts with irq_set_type
clocksource: timer-ti-dm: Fix pwm dmtimer usage of fck reparenting
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM fixes for 5.0:
- Fix the way we reset vcpus, plugging the race that could happen on VHE
- Fix potentially inconsistent group setting for private interrupts
- Don't generate UNDEF when LORegion feature is present
- Relax the restriction on using stage2 PUD huge mapping
- Turn some spinlocks into raw_spinlocks to help RT compliance
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Installing the appropriate non-IOMMU DMA ops in arm_iommu_detch_device()
serves the case where IOMMU-aware drivers choose to control their own
mapping but still make DMA API calls, however it also affects the case
when the arch code itself tears down the mapping upon driver unbinding,
where the ops now get left in place and can inhibit arch_setup_dma_ops()
on subsequent re-probe attempts.
Fix the latter case by making sure that arch_teardown_dma_ops() cleans
up whenever the ops were automatically installed by its counterpart.
Reported-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 1874619a7df4 "ARM: dma-mapping: Set proper DMA ops in arm_iommu_detach_device()"
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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commit e46daee53bb5 ("ARM: 8806/1: kprobes: Fix false positive with
FORTIFY_SOURCE") introduced a regression in optimized kprobes. It
triggers "invalid instruction" oopses when using kprobes instrumentation
through lttng and perf. This commit was introduced in kernel v4.20, and
has been backported to stable kernels 4.19 and 4.14.
This crash was also reported by Hongzhi Song on the redhat bugzilla
where the patch was originally introduced.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1639397
Link: https://bugs.lttng.org/issues/1174
Link: https://lore.kernel.org/lkml/342740659.2887.1549307721609.JavaMail.zimbra@efficios.com
Fixes: e46daee53bb5 ("ARM: 8806/1: kprobes: Fix false positive with FORTIFY_SOURCE")
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reported-by: Robert Berger <Robert.Berger@ReliableEmbeddedSystems.com>
Tested-by: Robert Berger <Robert.Berger@ReliableEmbeddedSystems.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Robert Berger <Robert.Berger@ReliableEmbeddedSystems.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: <stable@vger.kernel.org> # v4.14+
Cc: linux-arm-kernel@lists.infradead.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground into timers/2038
Pull y2038 - time64 system calls from Arnd Bergmann:
This series finally gets us to the point of having system calls with 64-bit
time_t on all architectures, after a long time of incremental preparation
patches.
There was actually one conversion that I missed during the summer,
i.e. Deepa's timex series, which I now updated based the 5.0-rc1 changes
and review comments.
The following system calls are now added on all 32-bit architectures using
the same system call numbers:
403 clock_gettime64
404 clock_settime64
405 clock_adjtime64
406 clock_getres_time64
407 clock_nanosleep_time64
408 timer_gettime64
409 timer_settime64
410 timerfd_gettime64
411 timerfd_settime64
412 utimensat_time64
413 pselect6_time64
414 ppoll_time64
416 io_pgetevents_time64
417 recvmmsg_time64
418 mq_timedsend_time64
419 mq_timedreceiv_time64
420 semtimedop_time64
421 rt_sigtimedwait_time64
422 futex_time64
423 sched_rr_get_interval_time64
Each one of these corresponds directly to an existing system call that
includes a 'struct timespec' argument, or a structure containing a timespec
or (in case of clock_adjtime) timeval. Not included here are new versions
of getitimer/setitimer and getrusage/waitid, which are planned for the
future but only needed to make a consistent API rather than for correct
operation beyond y2038. These four system calls are based on 'timeval', and
it has not been finally decided what the replacement kernel interface will
use instead.
So far, I have done a lot of build testing across most architectures, which
has found a number of bugs. Runtime testing so far included testing LTP on
32-bit ARM with the existing system calls, to ensure we do not regress for
existing binaries, and a test with a 32-bit x86 build of LTP against a
modified version of the musl C library that has been adapted to the new
system call interface [3]. This library can be used for testing on all
architectures supported by musl-1.1.21, but it is not how the support is
getting integrated into the official musl release. Official musl support is
planned but will require more invasive changes to the library.
Link: https://lore.kernel.org/lkml/20190110162435.309262-1-arnd@arndb.de/T/
Link: https://lore.kernel.org/lkml/20190118161835.2259170-1-arnd@arndb.de/
Link: https://git.linaro.org/people/arnd/musl-y2038.git/ [2]
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git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground into timers/2038
Pull preparatory work for y2038 changes from Arnd Bergmann:
System call unification and cleanup
The system call tables have diverged a bit over the years, and a number of
the recent additions never made it into all architectures, for one reason
or another.
This is an attempt to clean it up as far as we can without breaking
compatibility, doing a number of steps:
- Add system calls that have not yet been integrated into all architectures
but that we definitely want there. This includes {,f}statfs64() and
get{eg,eu,g,p,u,pp}id() on alpha, which have been missing traditionally.
- The s390 compat syscall handling is cleaned up to be more like what we
do on other architectures, while keeping the 31-bit pointer
extension. This was merged as a shared branch by the s390 maintainers
and is included here in order to base the other patches on top.
- Add the separate ipc syscalls on all architectures that traditionally
only had sys_ipc(). This version is done without support for IPC_OLD
that is we have in sys_ipc. The new semtimedop_time64 syscall will only
be added here, not in sys_ipc
- Add syscall numbers for a couple of syscalls that we probably don't need
everywhere, in particular pkey_* and rseq, for the purpose of symmetry:
if it's in asm-generic/unistd.h, it makes sense to have it everywhere. I
expect that any future system calls will get assigned on all platforms
together, even when they appear to be specific to a single architecture.
- Prepare for having the same system call numbers for any future calls. In
combination with the generated tables, this hopefully makes it easier to
add new calls across all architectures together.
All of the above are technically separate from the y2038 work, but are done
as preparation before we add the new 64-bit time_t system calls everywhere,
providing a common baseline set of system calls.
I expect that glibc and other libraries that want to use 64-bit time_t will
require linux-5.1 kernel headers for building in the future, and at a much
later point may also require linux-5.1 or a later version as the minimum
kernel at runtime. Having a common baseline then allows the removal of many
architecture or kernel version specific workarounds.
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two very minor fixes: one remove of a #include for an unused header
and a fix of the xen ML address in MAINTAINERS"
* tag 'for-linus-5.0-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
MAINTAINERS: unify reference to xen-devel list
arch/arm/xen: Remove duplicate header
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a bit larger than normal, as we had not managed to send out a
pull request before traveling for a week without my signing key.
There are multiple code fixes for older bugs, all of which should get
backported into stable kernels:
- tango: one fix for multiplatform configurations broken on other
platforms when tango is enabled
- arm_scmi: device unregistration fix
- iop32x: fix kernel oops from extraneous __init annotation
- pxa: remove a double kfree
- fsl qbman: close an interrupt clearing race
The rest is the usual collection of smaller fixes for device tree
files, on the renesas, allwinner, meson, omap, davinci, qualcomm and
imx platforms.
Some of these are for compile-time warnings, most are for board
specific functionality that fails to work because of incorrect
settings"
* tag 'armsoc-fixes-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (30 commits)
ARM: tango: Improve ARCH_MULTIPLATFORM compatibility
firmware: arm_scmi: provide the mandatory device release callback
ARM: iop32x/n2100: fix PCI IRQ mapping
arm64: dts: add msm8996 compatible to gicv3
ARM: dts: am335x-shc.dts: fix wrong cd pin level
ARM: dts: n900: fix mmc1 card detect gpio polarity
ARM: dts: omap3-gta04: Fix graph_port warning
ARM: pxa: ssp: unneeded to free devm_ allocated data
ARM: dts: r8a7743: Convert to new LVDS DT bindings
soc: fsl: qbman: avoid race in clearing QMan interrupt
arm64: dts: renesas: r8a77965: Enable DMA for SCIF2
arm64: dts: renesas: r8a7796: Enable DMA for SCIF2
arm64: dts: renesas: r8a774a1: Enable DMA for SCIF2
ARM: dts: da850: fix interrupt numbers for clocksource
dt-bindings: imx8mq: Number clocks consecutively
arm64: dts: meson: Fix mmc cd-gpios polarity
ARM: dts: imx6sx: correct backward compatible of gpt
ARM: dts: imx: replace gpio-key,wakeup with wakeup-source property
ARM: dts: vf610-bk4: fix incorrect #address-cells for dspi3
ARM: dts: meson8m2: mxiii-plus: mark the SD card detection GPIO active-low
...
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An ipvlan bug fix in 'net' conflicted with the abstraction away
of the IPV6 specific support in 'net-next'.
Similarly, a bug fix for mlx5 in 'net' conflicted with the flow
action conversion in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The x86, arm, and arm64 asm implementations of crct10dif are very
difficult to understand partly because many of the comments, labels, and
macros are named incorrectly: the lengths mentioned are usually off by a
factor of two from the actual code. Many other things are unnecessarily
convoluted as well, e.g. there are many more fold constants than
actually needed and some aren't fully reduced.
This series therefore cleans up all these implementations to be much
more maintainable. I also made some small optimizations where I saw
opportunities, resulting in slightly better performance.
This patch cleans up the arm version.
(Also moved the constants to .rodata as suggested by Ard Biesheuvel.)
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add the comphy settings for the Ethernet interfaces.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the DT description for the Armada 38x common phy.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we have a kernel configured for periodic timer interrupts, and we
have cpuidle enabled, then we end up with CPU1 losing timer interupts
after a hotplug.
This can manifest itself in RCU stall warnings, or userspace becoming
unresponsive.
The problem is that the kernel initially wants to use the TWD timer
for interrupts, but the TWD loses context when we enter the C3 cpuidle
state. Nothing reprograms the TWD after idle.
We have solved this in the past by switching to broadcast timer ticks,
and cpuidle44xx switches to that mode at boot time. However, there is
nothing to switch from periodic mode local timers after a hotplug
operation.
We call tick_broadcast_enter() in omap_enter_idle_coupled(), which one
would expect would take care of the issue, but internally this only
deals with one-shot local timers - tick_broadcast_enable() on the other
hand only deals with periodic local timers. So, we need to call both.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
[tony@atomide.com: just standardized the subject line]
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Fixup 32bit by providing the now required helper.
Cc: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Failing to properly reset system registers is pretty bad. But not
quite as bad as bringing the whole machine down... So warn loudly,
but slightly more gracefully.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
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The current kvm_psci_vcpu_on implementation will directly try to
manipulate the state of the VCPU to reset it. However, since this is
not done on the thread that runs the VCPU, we can end up in a strangely
corrupted state when the source and target VCPUs are running at the same
time.
Fix this by factoring out all reset logic from the PSCI implementation
and forwarding the required information along with a request to the
target VCPU.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
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