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Modify clock binding in a common device tree for all Nuvoton
NPCM750 BMCs.
Modify NPCM750 modules clock numbers accourding the new
clock driver.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Modify timer register size in a common device tree for all Nuvoton
NPCM750 BMCs.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Modify UART compatible name in a common device tree for all Nuvoton
NPCM750 BMCs.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add watchdog device node to a common device tree for all Nuvoton
NPCM750 BMCs and a board specific device tree for the NPCM750 (Poleg)
evaluation board.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
Pull "DaVinci SoC update fixes for v4.17" from Sekhar Nori:
A fix and a clean-up patch for content previously queued for v4.17.
* tag 'davinci-for-v4.17/soc-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da8xx: simplify CFGCHIP regmap_config
ARM: davinci: da8xx: fix oops in USB PHY driver due to stack allocated platform_data
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When CONFIG_CACHE_L2X0 is disabled, the am43xx specific suspend
implemnentation fails to link:
arch/arm/mach-omap2/sleep43xx.o: In function `get_l2cache_base':
(.text+0x180): undefined reference to `omap4_get_l2cache_base'
This adds an #ifdef protection around the code, like we do for am44xx.
Fixes: 41d37e61372f ("ARM: OMAP2+: Introduce low-level suspend code for AM43XX")
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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POWER8 restores AMOR when waking from deep sleep, but POWER9 does not,
because it does not go through the subcore restore.
Have POWER9 restore it in core restore.
Fixes: ee97b6b99f42 ("powerpc/mm/radix: Setup AMOR in HV mode to allow key 0")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The CPU_FTR_POWER9_DD2_1 flag is intended to be set for DD2.1 and
above (which is what the dt_cpu_ftrs setup does). Fix cputable for
DD2.2 to match.
This came about due to patches b5af4f279323 ("powerpc: Add CPU feature
bits for TM bug workarounds on POWER9 v2.2"), and 9e9626ed3a4a
("powerpc/64s: Fix POWER9 DD2.2 and above in DT CPU features") being
in-flight at once. The latter patch fixed dt_cpu_ftrs like this one
does. The former changed cputable to match dt_cpu_ftrs.
Fixes: b5af4f279323 ("powerpc: Add CPU feature bits for TM bug workarounds on POWER9 v2.2")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The pkey code added a CPU_FTR_PKEY bit, but did not add it to the
dt_cpu_ftrs feature set. Although capability is supported by all
processors in the base dt_cpu_ftrs set for 64s, it's a significant
and sufficiently well defined feature to make it optional. So add
it as a quirk for now, which can be versioned out then controlled
by the firmware (once dt_cpu_ftrs gains versioning support).
Fixes: cf43d3b26452 ("powerpc: Enable pkey subsystem")
Cc: stable@vger.kernel.org # v4.16+
Cc: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Presently the dt_cpu_ftrs restore_cpu will only add bits to the LPCR
for secondaries, but some bits must be removed (e.g., UPRT for HPT).
Not clearing these bits on secondaries causes checkstops when booting
with disable_radix.
restore_cpu can not just set LPCR, because it is also called by the
idle wakeup code which relies on opal_slw_set_reg to restore the value
of LPCR, at least on P8 which does not save LPCR to stack in the idle
code.
Fix this by including a mask of bits to clear from LPCR as well, which
is used by restore_cpu.
This is a little messy now, but it's a minimal fix that can be
backported. Longer term, the idle SPR save/restore code can be
reworked to completely avoid calls to restore_cpu, then restore_cpu
would be able to unconditionally set LPCR to match boot processor
environment.
Fixes: 5a61ef74f269f ("powerpc/64s: Support new device tree binding for discovering CPU features")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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As described in that commit:
When stop is executed with EC=ESL=0, it appears to execute like a
normal instruction (resuming from NIP when woken by interrupt). So
all the save/restore handling can be avoided completely.
This is true, except in the case of an NMI interrupt (sreset or
machine check) interrupting the instruction. In that case, the NMI
gets an "interrupt occurred while the processor was in power-saving
mode" indication. The power-save wakeup code uses that bit to decide
whether to restore some registers (e.g., LR). Because these are no
longer saved, this causes random register corruption.
It may be possible to restore this optimisation by detecting the case
of no register loss on the wakeup side, and avoid restoring in that
case, but that's not a minor fix because the wakeup code itself uses
some registers that would be live (e.g., LR).
Fixes: b9ee31e100e7 ("powerpc/64s/idle: POWER9 ESL=0 stop avoid save/restore overhead")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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These functions will be introduced into the generic iomap.c so they
can deal with PIO accesses in hi-lo/lo-hi variants. Thus, the powerpc
version of iomap.c will need to provide the same functions even
though, in this arch, they are identical to the regular
io{read|write}64 functions.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Tested-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Subsequent patches in this series makes use of the readq and writeq
defines in iomap.h. However, as is, they get missed on the powerpc
platform seeing the include comes before the define. This patch moves
the include down to fix this.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- ... and a handful of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (149 commits)
hwtracing: Add HW tracing support menu
intel_th: Add ACPI glue layer
intel_th: Allow forcing host mode through drvdata
intel_th: Pick up irq number from resources
intel_th: Don't touch switch routing in host mode
intel_th: Use correct method of finding hub
intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
stm class: Make dummy's master/channel ranges configurable
stm class: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
MAINTAINERS: Bestow upon myself the care for drivers/hwtracing
hv: add SPDX license id to Kconfig
hv: add SPDX license to trace
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
Drivers: hv: vmbus: respect what we get from hv_get_synint_state()
/dev/mem: Avoid overwriting "err" in read_mem()
eeprom: at24: use SPDX identifier instead of GPL boiler-plate
eeprom: at24: simplify the i2c functionality checking
eeprom: at24: fix a line break
eeprom: at24: tweak newlines
eeprom: at24: refactor at24_probe()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big set of Staging/IIO driver patches for 4.17-rc1.
It is a lot, over 500 changes, but not huge by previous kernel release
standards. We deleted more lines than we added again (27k added vs.
91k remvoed), thanks to finally being able to delete the IRDA drivers
and networking code.
We also deleted the ccree crypto driver, but that's coming back in
through the crypto tree to you, in a much cleaned-up form.
Added this round is at lot of "mt7621" device support, which is for an
embedded device that Neil Brown cares about, and of course a handful
of new IIO drivers as well.
And finally, the fsl-mc core code moved out of the staging tree to the
"real" part of the kernel, which is nice to see happen as well.
Full details are in the shortlog, which has all of the tiny cleanup
patches described.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (579 commits)
staging: rtl8723bs: Remove yield call, replace with cond_resched()
staging: rtl8723bs: Replace yield() call with cond_resched()
staging: rtl8723bs: Remove unecessary newlines from 'odm.h'.
staging: rtl8723bs: Rework 'struct _ODM_Phy_Status_Info_' coding style.
staging: rtl8723bs: Rework 'struct _ODM_Per_Pkt_Info_' coding style.
staging: rtl8723bs: Replace NULL pointer comparison with '!'.
staging: rtl8723bs: Factor out rtl8723bs_recv_tasklet() sections.
staging: rtl8723bs: Fix function signature that goes over 80 characters.
staging: rtl8723bs: Fix lines too long in update_recvframe_attrib().
staging: rtl8723bs: Remove unnecessary blank lines in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Change camel case to snake case in 'rtl8723bs_recv.c'.
staging: rtl8723bs: Add missing braces in else statement.
staging: rtl8723bs: Add spaces around ternary operators.
staging: rtl8723bs: Fix lines with trailing open parentheses.
staging: rtl8723bs: Remove unnecessary length #define's.
staging: rtl8723bs: Fix IEEE80211 authentication algorithm constants.
staging: rtl8723bs: Fix alignment in rtw_wx_set_auth().
staging: rtl8723bs: Remove braces from single statement conditionals.
staging: rtl8723bs: Remove unecessary braces from switch statement.
staging: rtl8723bs: Fix newlines in rtw_wx_set_auth().
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of tty and serial driver patches for 4.17-rc1
Not all that big really, most are just small fixes and additions to
existing drivers. There's a bunch of work on the imx serial driver
recently for some reason, and a new embedded serial driver added as
well.
Full details are in the shortlog.
All of these have been in the linux-next tree for a while with no
reported issues"
* tag 'tty-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (66 commits)
serial: expose buf_overrun count through proc interface
serial: mvebu-uart: fix tx lost characters
tty: serial: msm_geni_serial: Fix return value check in qcom_geni_serial_probe()
tty: serial: msm_geni_serial: Add serial driver support for GENI based QUP
8250-men-mcb: add support for 16z025 and 16z057
powerpc: Mark the variable earlycon_acpi_spcr_enable maybe_unused
serial: stm32: fix initialization of RS485 mode
ARM: dts: STi: Remove "console=ttyASN" from bootargs for STi boards
vt: change SGR 21 to follow the standards
serdev: Fix typo in serdev_device_alloc
ARM: dts: STi: Fix aliases property name for STi boards
tty: st-asc: Update tty alias
serial: stm32: add support for RS485 hardware control mode
dt-bindings: serial: stm32: add RS485 optional properties
selftests: add devpts selftests
devpts: comment devpts_mntget()
devpts: resolve devpts bind-mounts
devpts: hoist out check for DEVPTS_SUPER_MAGIC
serial: 8250: Add Nuvoton NPCM UART
serial: mxs-auart: disable clks of Alphascale ASM9260
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 4.17-rc1.
Lots of USB typeC work happened this round, with code moving from the
staging directory into the "real" part of the kernel, as well as new
infrastructure being added to be able to handle the different types of
"roles" that typeC requires.
There is also the normal huge set of USB gadget controller and driver
updates, along with XHCI changes, and a raft of other tiny fixes all
over the USB tree. And the PHY driver updates are merged in here as
well as they interacted with the USB drivers in some places.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits)
Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870"
usb: musb: gadget: misplaced out of bounds check
usb: chipidea: imx: Fix ULPI on imx53
usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag
usb: chipidea: usbmisc: small clean up
usb: chipidea: usbmisc: evdo can be set e/o reset
usb: chipidea: usbmisc: evdo is only specific to OTG port
USB: serial: ftdi_sio: add Id for Physik Instrumente E-870
usb: dwc3: gadget: never call ->complete() from ->ep_queue()
usb: gadget: udc: core: update usb_ep_queue() documentation
usb: host: Remove the deprecated ATH79 USB host config options
usb: roles: Fix return value check in intel_xhci_usb_probe()
USB: gadget: f_midi: fixing a possible double-free in f_midi
usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
usb: core: Copy parameter string correctly and remove superfluous null check
USB: announce bcdDevice as well as idVendor, idProduct.
USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw
usb: hub: Reduce warning to notice on power loss
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: cp210x: add ELDAT Easywave RX09 id
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- add AEAD support to crypto engine
- allow batch registration in simd
Algorithms:
- add CFB mode
- add speck block cipher
- add sm4 block cipher
- new test case for crct10dif
- improve scheduling latency on ARM
- scatter/gather support to gcm in aesni
- convert x86 crypto algorithms to skcihper
Drivers:
- hmac(sha224/sha256) support in inside-secure
- aes gcm/ccm support in stm32
- stm32mp1 support in stm32
- ccree driver from staging tree
- gcm support over QI in caam
- add ks-sa hwrng driver"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (212 commits)
crypto: ccree - remove unused enums
crypto: ahash - Fix early termination in hash walk
crypto: brcm - explicitly cast cipher to hash type
crypto: talitos - don't leak pointers to authenc keys
crypto: qat - don't leak pointers to authenc keys
crypto: picoxcell - don't leak pointers to authenc keys
crypto: ixp4xx - don't leak pointers to authenc keys
crypto: chelsio - don't leak pointers to authenc keys
crypto: caam/qi - don't leak pointers to authenc keys
crypto: caam - don't leak pointers to authenc keys
crypto: lrw - Free rctx->ext with kzfree
crypto: talitos - fix IPsec cipher in length
crypto: Deduplicate le32_to_cpu_array() and cpu_to_le32_array()
crypto: doc - clarify hash callbacks state machine
crypto: api - Keep failed instances alive
crypto: api - Make crypto_alg_lookup static
crypto: api - Remove unused crypto_type lookup function
crypto: chelsio - Remove declaration of static function from header
crypto: inside-secure - hmac(sha224) support
crypto: inside-secure - hmac(sha256) support
..
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git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux
Pull RISC-V updates from Palmer Dabbelt:
"This contains the new features we'd like to incorporate into the
RISC-V port for 4.17. We might have a bit more stuff land later in the
merge window, but I wanted to get this out earlier just so everyone
can see where we currently stand.
A short summary of the changes is:
- We've added support for dynamic ftrace on RISC-V targets.
- There have been a handful of cleanups to our atomic and locking
routines. They now more closely match the released RISC-V memory
model draft.
- Our module loading support has been cleaned up and is now enabled
by default, despite some limitations still existing.
- A patch to define COMMANDLINE_FORCE instead of COMMANDLINE_OVERRIDE
so the generic device tree code picks up handling all our command
line stuff.
There's more information in the merge commits for each patch set"
* tag 'riscv-for-linus-4.17-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: (21 commits)
RISC-V: Rename CONFIG_CMDLINE_OVERRIDE to CONFIG_CMDLINE_FORCE
RISC-V: Add definition of relocation types
RISC-V: Enable module support in defconfig
RISC-V: Support SUB32 relocation type in kernel module
RISC-V: Support ADD32 relocation type in kernel module
RISC-V: Support ALIGN relocation type in kernel module
RISC-V: Support RVC_BRANCH/JUMP relocation type in kernel modulewq
RISC-V: Support HI20/LO12_I/LO12_S relocation type in kernel module
RISC-V: Support CALL relocation type in kernel module
RISC-V: Support GOT_HI20/CALL_PLT relocation type in kernel module
RISC-V: Add section of GOT.PLT for kernel module
RISC-V: Add sections of PLT and GOT for kernel module
riscv/atomic: Strengthen implementations with fences
riscv/spinlock: Strengthen implementations with fences
riscv/barrier: Define __smp_{store_release,load_acquire}
riscv/ftrace: Add HAVE_FUNCTION_GRAPH_RET_ADDR_PTR support
riscv/ftrace: Add DYNAMIC_FTRACE_WITH_REGS support
riscv/ftrace: Add ARCH_SUPPORTS_FTRACE_OPS support
riscv/ftrace: Add dynamic function graph tracer support
riscv/ftrace: Add dynamic function tracer support
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Nothing particularly stands out here, probably because people were
tied up with spectre/meltdown stuff last time around. Still, the main
pieces are:
- Rework of our CPU features framework so that we can whitelist CPUs
that don't require kpti even in a heterogeneous system
- Support for the IDC/DIC architecture extensions, which allow us to
elide instruction and data cache maintenance when writing out
instructions
- Removal of the large memory model which resulted in suboptimal
codegen by the compiler and increased the use of literal pools,
which could potentially be used as ROP gadgets since they are
mapped as executable
- Rework of forced signal delivery so that the siginfo_t is
well-formed and handling of show_unhandled_signals is consolidated
and made consistent between different fault types
- More siginfo cleanup based on the initial patches from Eric
Biederman
- Workaround for Cortex-A55 erratum #1024718
- Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi
- Misc cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (70 commits)
arm64: uaccess: Fix omissions from usercopy whitelist
arm64: fpsimd: Split cpu field out from struct fpsimd_state
arm64: tlbflush: avoid writing RES0 bits
arm64: cmpxchg: Include linux/compiler.h in asm/cmpxchg.h
arm64: move percpu cmpxchg implementation from cmpxchg.h to percpu.h
arm64: cmpxchg: Include build_bug.h instead of bug.h for BUILD_BUG
arm64: lse: Include compiler_types.h and export.h for out-of-line LL/SC
arm64: fpsimd: include <linux/init.h> in fpsimd.h
drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
perf: arm_spe: include linux/vmalloc.h for vmap()
Revert "arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size)"
arm64: cpufeature: Avoid warnings due to unused symbols
arm64: Add work around for Arm Cortex-A55 Erratum 1024718
arm64: Delay enabling hardware DBM feature
arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35
arm64: capabilities: Handle shared entries
arm64: capabilities: Add support for checks based on a list of MIDRs
arm64: Add helpers for checking CPU MIDR against a range
arm64: capabilities: Clean up midr range helpers
arm64: capabilities: Change scope of VHE to Boot CPU feature
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The usual pile of boring changes:
- Consolidate tasklet functions to share code instead of duplicating
it
- The first step for making the low level entry handler management on
multi-platform kernels generic
- A new sysfs file which allows to retrieve the wakeup state of
interrupts.
- Ensure that the interrupt thread follows the effective affinity and
not the programmed affinity to avoid cross core wakeups.
- Two new interrupt controller drivers (Microsemi Ocelot and Qualcomm
PDC)
- Fix the wakeup path clock handling for Reneasas interrupt chips.
- Rework the boot time register reset for ARM GIC-V2/3
- Better suspend/resume support for ARM GIV-V3/ITS
- Add missing locking to the ARM GIC set_type() callback
- Small fixes for the irq simulator code
- SPDX identifiers for the irq core code and removal of boiler plate
- Small cleanups all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
openrisc: Set CONFIG_MULTI_IRQ_HANDLER
arm64: Set CONFIG_MULTI_IRQ_HANDLER
genirq: Make GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER
irqchip/gic: Take lock when updating irq type
irqchip/gic: Update supports_deactivate static key to modern api
irqchip/gic-v3: Ensure GICR_CTLR.EnableLPI=0 is observed before enabling
irqchip: Add a driver for the Microsemi Ocelot controller
dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller
irqchip/gic-v3: Probe for SCR_EL3 being clear before resetting AP0Rn
irqchip/gic-v3: Don't try to reset AP0Rn
irqchip/gic-v3: Do not check trigger configuration of partitionned LPIs
genirq: Remove license boilerplate/references
genirq: Add missing SPDX identifiers
genirq/matrix: Cleanup SPDX identifier
genirq: Cleanup top of file comments
genirq: Pass desc to __irq_free instead of irq number
irqchip/gic-v3: Loudly complain about the use of IRQ_TYPE_NONE
irqchip/gic: Loudly complain about the use of IRQ_TYPE_NONE
RISC-V: Move to the new GENERIC_IRQ_MULTI_HANDLER handler
genirq: Add CONFIG_GENERIC_IRQ_MULTI_HANDLER
...
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- support arbitrary PCI host bridge offsets on sparc (Yinghai Lu)
- remove System and Video ROM reservations on sparc (Bjorn Helgaas)
* pci/sparc:
sparc/PCI: Stop reserving System ROM and Video ROM in PCI space
sparc/PCI: Support arbitrary host bridge address offset
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- use generic pci_mmap_resource_range() instead of powerpc and xtensa
arch-specific versions (David Woodhouse)
* pci/resource-mmap:
xtensa/PCI: Use generic pci_mmap_resource_range()
powerpc/pci: Use generic pci_mmap_resource_range()
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fix a "warning: no previous prototype".
Cc: stable@vger.kernel.org
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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There is no easy way to force KVM to run an instruction through the emulator
(by design as that will expose the x86 emulator as a significant attack-surface).
However, we do wish to expose the x86 emulator in case we are testing it
(e.g. via kvm-unit-tests). Therefore, this patch adds a "force emulation prefix"
that is designed to raise #UD which KVM will trap and it's #UD exit-handler will
match "force emulation prefix" to run instruction after prefix by the x86 emulator.
To not expose the x86 emulator by default, we add a module parameter that should
be off by default.
A simple testcase here:
#include <stdio.h>
#include <string.h>
#define HYPERVISOR_INFO 0x40000000
#define CPUID(idx, eax, ebx, ecx, edx) \
asm volatile (\
"ud2a; .ascii \"kvm\"; cpuid" \
:"=b" (*ebx), "=a" (*eax), "=c" (*ecx), "=d" (*edx) \
:"0"(idx) );
void main()
{
unsigned int eax, ebx, ecx, edx;
char string[13];
CPUID(HYPERVISOR_INFO, &eax, &ebx, &ecx, &edx);
*(unsigned int *)(string + 0) = ebx;
*(unsigned int *)(string + 4) = ecx;
*(unsigned int *)(string + 8) = edx;
string[12] = 0;
if (strncmp(string, "KVMKVMKVM\0\0\0", 12) == 0)
printf("kvm guest\n");
else
printf("bare hardware\n");
}
Suggested-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
[Correctly handle usermode exits. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
Introduce handle_ud() to handle invalid opcode, this function will be
used by later patches.
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim KrÄmář <rkrcmar@redhat.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
vmx_save_host_state has multiple ifdefs for CONFIG_X86_64 that have
no other code between them. Simplify by reducing them to a single
conditional.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
The local variable was newly introduced but is only accessed in one
place on x86_64, but not on 32-bit:
arch/x86/kvm/vmx.c: In function 'vmx_save_host_state':
arch/x86/kvm/vmx.c:2175:6: error: unused variable 'cpu' [-Werror=unused-variable]
This puts it into another #ifdef.
Fixes: 35060ed6a1ff ("x86/kvm/vmx: avoid expensive rdmsr for MSR_GS_BASE")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
Remove the WARN_ON in handle_ept_misconfig() as it is unnecessary
and causes false positives. Return the unmodified result of
kvm_mmu_page_fault() instead of converting a system error code to
KVM_EXIT_UNKNOWN so that userspace sees the error code of the
actual failure, not a generic "we don't know what went wrong".
* kvm_mmu_page_fault() will WARN if reserved bits are set in the
SPTEs, i.e. it covers the case where an EPT misconfig occurred
because of a KVM bug.
* The WARN_ON will fire on any system error code that is hit while
handling the fault, e.g. -ENOMEM from mmu_topup_memory_caches()
while handling a legitmate MMIO EPT misconfig or -EFAULT from
kvm_handle_bad_page() if the corresponding HVA is invalid. In
either case, userspace should receive the original error code
and firing a warning is incorrect behavior as KVM is operating
as designed.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
The bug that led to commit 95e057e25892eaa48cad1e2d637b80d0f1a4fac5
was a benign warning (no adverse affects other than the warning
itself) that was detected by syzkaller. Further inspection shows
that the WARN_ON in question, in handle_ept_misconfig(), is
unnecessary and flawed (this was also briefly discussed in the
original patch: https://patchwork.kernel.org/patch/10204649).
* The WARN_ON is unnecessary as kvm_mmu_page_fault() will WARN
if reserved bits are set in the SPTEs, i.e. it covers the case
where an EPT misconfig occurred because of a KVM bug.
* The WARN_ON is flawed because it will fire on any system error
code that is hit while handling the fault, e.g. -ENOMEM can be
returned by mmu_topup_memory_caches() while handling a legitmate
MMIO EPT misconfig.
The original behavior of returning -EFAULT when userspace munmaps
an HVA without first removing the memslot is correct and desirable,
i.e. KVM is letting userspace know it has generated a bad address.
Returning RET_PF_EMULATE masks the WARN_ON in the EPT misconfig path,
but does not fix the underlying bug, i.e. the WARN_ON is bogus.
Furthermore, returning RET_PF_EMULATE has the unwanted side effect of
causing KVM to attempt to emulate an instruction on any page fault
with an invalid HVA translation, e.g. a not-present EPT violation
on a VM_PFNMAP VMA whose fault handler failed to insert a PFN.
* There is no guarantee that the fault is directly related to the
instruction, i.e. the fault could have been triggered by a side
effect memory access in the guest, e.g. while vectoring a #DB or
writing a tracing record. This could cause KVM to effectively
mask the fault if KVM doesn't model the behavior leading to the
fault, i.e. emulation could succeed and resume the guest.
* If emulation does fail, KVM will return EMULATION_FAILED instead
of -EFAULT, which is a red herring as the user will either debug
a bogus emulation attempt or scratch their head wondering why we
were attempting emulation in the first place.
TL;DR: revert to returning -EFAULT and remove the bogus WARN_ON in
handle_ept_misconfig in a future patch.
This reverts commit 95e057e25892eaa48cad1e2d637b80d0f1a4fac5.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
This is very similar to the aligned versions movaps/movapd.
We have seen the corresponding emulation failures with openbsd as guest
and with Windows 10 with intel HD graphics pass through.
Signed-off-by: Christian Ehrhardt <christian_ehrhardt@genua.de>
Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
Exit to userspace with KVM_INTERNAL_ERROR_EMULATION if we encounter
an exception in Protected Mode while emulating guest due to invalid
guest state. Unlike Big RM, KVM doesn't support emulating exceptions
in PM, i.e. PM exceptions are always injected via the VMCS. Because
we will never do VMRESUME due to emulation_required, the exception is
never realized and we'll keep emulating the faulting instruction over
and over until we receive a signal.
Exit to userspace iff there is a pending exception, i.e. don't exit
simply on a requested event. The purpose of this check and exit is to
aid in debugging a guest that is in all likelihood already doomed.
Invalid guest state in PM is extremely limited in normal operation,
e.g. it generally only occurs for a few instructions early in BIOS,
and any exception at this time is all but guaranteed to be fatal.
Non-vectored interrupts, e.g. INIT, SIPI and SMI, can be cleanly
handled/emulated, while checking for vectored interrupts, e.g. INTR
and NMI, without hitting false positives would add a fair amount of
complexity for almost no benefit (getting hit by lightning seems
more likely than encountering this specific scenario).
Add a WARN_ON_ONCE to vmx_queue_exception() if we try to inject an
exception via the VMCS and emulation_required is true.
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
|
|
We get the below warning if we try to use kexec on P9:
kexec_core: Starting new kernel
WARNING: CPU: 0 PID: 1223 at arch/powerpc/kernel/process.c:826 __set_breakpoint+0xb4/0x140
[snip]
NIP __set_breakpoint+0xb4/0x140
LR kexec_prepare_cpus_wait+0x58/0x150
Call Trace:
0xc0000000ee70fb20 (unreliable)
0xc0000000ee70fb20
default_machine_kexec+0x234/0x2c0
machine_kexec+0x84/0x90
kernel_kexec+0xd8/0xe0
SyS_reboot+0x214/0x2c0
system_call+0x58/0x6c
This happens since we are trying to clear hw breakpoint on POWER9,
though we don't have CPU_FTR_DAWR enabled. Guard __set_breakpoint()
within hw_breakpoint_disable() with ppc_breakpoint_available() to
address this.
Fixes: 9654153158d3 ("powerpc: Disable DAWR in the base POWER9 CPU features")
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
arm has an optional MULTI_IRQ_HANDLER, which openrisc copied but didn't
make optional. The multi irq handler infrastructure has been copied to
generic code selectable with a new config symbol. That symbol can be
selected by randconfig builds and can cause build breakage.
Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The openrisc local config
symbol will be removed once openrisc gets converted to the generic code.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-3-palmer@sifive.com
|
|
arm has an optional MULTI_IRQ_HANDLER, which arm64 copied but didn't make
optional. The multi irq handler infrastructure has been copied to generic
code selectable with a new config symbol. That symbol can be selected by
randconfig builds and can cause build breakage.
Introduce CONFIG_MULTI_IRQ_HANDLER as an intermediate step which prevents
the core config symbol from being selected. The arm64 local config symbol
will be removed once arm64 gets converted to the generic code.
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: https://lkml.kernel.org/r/20180404043130.31277-2-palmer@sifive.com
|
|
kernel parameter disable_radix takes different options
disable_radix=yes|no|1|0 or just disable_radix.
prom_init parsing is not supporting these options.
Fixes: 1fd6c0220710 ("powerpc/mm: Add a CONFIG option to choose if radix is used by default")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
kernel parameter disable_radix takes different options
disable_radix=yes|no|1|0 or just disable_radix. When using the later
format we get below error.
`Malformed early option 'disable_radix'`
Fixes: 1fd6c0220710 ("powerpc/mm: Add a CONFIG option to choose if radix is used by default")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
With 64k page size, we have hugetlb pte entries at the pmd and pud level for
book3s64. We don't need to create a separate page table cache for that. With 4k
we need to make sure hugepd page table cache for 16M is placed at PUD level
and 16G at the PGD level.
Simplify all these by not using HUGEPD_PD_SHIFT which is confusing for book3s64.
Without this patch, with 64k page size we create pagetable caches with shift
value 10 and 7 which are not used at all.
Fixes: 419df06eea5b ("powerpc: Reduce the PTE_INDEX_SIZE")
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
With split PTL (page table lock) config, we allocate the level
4 (leaf) page table using pte fragment framework instead of slab cache
like other levels. This was done to enable us to have split page table
lock at the level 4 of the page table. We use page->plt backing the
all the level 4 pte fragment for the lock.
Currently with Radix, we use only 16 fragments out of the allocated
page. In radix each fragment is 256 bytes which means we use only 4k
out of the allocated 64K page wasting 60k of the allocated memory.
This was done earlier to keep it closer to hash.
This patch update the pte fragment count to 256, thereby using the
full 64K page and reducing the memory usage. Performance tests shows
really low impact even with THP disabled. With THP disabled we will be
contenting further less on level 4 ptl and hence the impact should be
further low.
256 threads:
without patch (10 runs of ./ebizzy -m -n 1000 -s 131072 -S 100)
median = 15678.5
stdev = 42.1209
with patch:
median = 15354
stdev = 194.743
This is with THP disabled. With THP enabled the impact of the patch
will be less.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
Adds more code comments. We also remove an unnecessary pkey check
after we check for pkey error in this patch.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
When stop is executed with EC=ESL=0, it appears to execute like a
normal instruction (resuming from NIP when woken by interrupt). So all
the save/restore handling can be avoided completely. In particular NV
GPRs do not have to be saved, and MSR does not have to be switched
back to kernel MSR.
So move the test for EC=ESL=0 sleep states out to power9_idle_stop,
and return directly to the caller after stop in that case.
This improves performance for ping-pong benchmark with the stop0_lite
idle state by 2.54% for 2 threads in the same core, and 2.57% for
different cores. Performance increase with HV_POSSIBLE defined will be
improved further by avoiding the hwsync.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- new CEC pin injection code for testing purposes
- DVB frontend cxd2099 promoted from staging
- new platform driver for Sony cxd2880 DVB devices
- new sensor drivers: mt9t112, ov2685, ov5695, ov772x, tda1997x,
tw9910.c
- removal of unused cx18 and ivtv alsa mixers
- the reneseas-ceu driver doesn't depend on soc_camera anymore and
moved from staging
- removed the mantis_vp3028 driver, unused since 2009
- s5p-mfc: add support for version 10 of the MSP
- added a decoder for imon protocol
- atomisp: lots of cleanups
- imx074 and mt9t031: don't depend on soc_camera anymore, being
promoted from staging
- added helper functions to better support DVB I2C binding
- lots of driver improvements and cleanups
* tag 'media/v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (438 commits)
media: v4l2-ioctl: rename a temp var that stores _IOC_SIZE(cmd)
media: fimc-capture: get rid of two warnings
media: dvb-usb-v2: fix a missing dependency of I2C_MUX
media: uvc: to the right check at uvc_ioctl_enum_framesizes()
media: cec-core: fix a bug at cec_error_inj_write()
media: tda9840: cleanup a warning
media: tm6000: avoid casting just to print pointer address
media: em28xx-input: improve error handling code
media: zr364xx: avoid casting just to print pointer address
media: vivid-radio-rx: add a cast to avoid a warning
media: saa7134-alsa: don't use casts to print a buffer address
media: solo6x10: get rid of an address space warning
media: zoran: don't cast pointers to print them
media: ir-kbd-i2c: change the if logic to avoid a warning
media: ir-kbd-i2c: improve error handling code
media: saa7134-input: improve error handling
media: s2255drv: fix a casting warning
media: ivtvfb: Cleanup some warnings
media: videobuf-dma-sg: Fix a weird cast
soc_camera: fix a weird cast on printk
...
|
|
Commit 3d4fbffdd703 ("powerpc/64s/idle: POWER9 implement a separate
idle stop function for hotplug") that added power9_offline_stop() was
written before commit 7672691a08c8 ("powerpc/powernv: Provide a way to
force a core into SMT4 mode").
When merging the former I failed to notice that it caused us to skip
the force-SMT4 logic for offline CPUs. The result is that offlined
CPUs will not correctly participate in the force-SMT4 logic, which
presumably will result in badness (not tested).
Reconcile the two commits by making power9_offline_stop() a pre-cursor
to power9_idle_stop(), so that they share the force-SMT4 logic.
This is based on an original commit from Nick, all breakage is my own.
Fixes: 3d4fbffdd703 ("powerpc/64s/idle: POWER9 implement a separate idle stop function for hotplug")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- add a shell script to get Clang version
- improve portability of build scripts
- drop always-enabled CONFIG_THIN_ARCHIVE and remove unused code
- rename built-in.o which is now thin archive to built-in.a
- process clean/build targets one by one to get along with -j option
- simplify ld-option
- improve building with CONFIG_TRIM_UNUSED_KSYMS
- define KBUILD_MODNAME even for objects shared among multiple modules
- avoid linking multiple instances of same objects from composite
objects
- move <linux/compiler_types.h> to c_flags to include it only for C
files
- clean-up various Makefiles
* tag 'kbuild-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (29 commits)
kbuild: get <linux/compiler_types.h> out of <linux/kconfig.h>
kbuild: clean up link rule of composite modules
kbuild: clean up archive rule of built-in.a
kbuild: remove partial section mismatch detection for built-in.a
net: liquidio: clean up Makefile for simpler composite object handling
lib: zstd: clean up Makefile for simpler composite object handling
kbuild: link $(real-obj-y) instead of $(obj-y) into built-in.a
kbuild: rename real-objs-y/m to real-obj-y/m
kbuild: move modname and modname-multi close to modname_flags
kbuild: simplify modname calculation
kbuild: fix modname for composite modules
kbuild: define KBUILD_MODNAME even if multiple modules share objects
kbuild: remove unnecessary $(subst $(obj)/, , ...) in modname-multi
kbuild: Use ls(1) instead of stat(1) to obtain file size
kbuild: link vmlinux only once for CONFIG_TRIM_UNUSED_KSYMS
kbuild: move include/config/ksym/* to include/ksym/*
kbuild: move CONFIG_TRIM_UNUSED_KSYMS code unneeded for external module
kbuild: restore autoksyms.h touch to the top Makefile
kbuild: move 'scripts' target below
kbuild: remove wrong 'touch' in adjust_autoksyms.sh
...
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
"Lots of small enhancements and fixes in this patchset:
- improved the x86-64 compatibility for PCI cards by returning -1UL
for timed out MMIO transactions (instead of crashing)
- fixed HPMC handler for PAT machines: size needs to be multiple of 16
- prepare machine_power_off() to be able to turn rp3410 and c8000
machines off via IMPI
- added code to extract machine info for usage with qemu
- some init sections fixes
- lots of fixes for sparse-, ubsan- and uninitalized variables
warnings"
* 'parisc-4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Fix out of array access in match_pci_device()
parisc: Add code generator for Qemu/SeaBIOS machine info
parisc/pci: Switch LBA PCI bus from Hard Fail to Soft Fail mode
parisc: Fix HPMC handler by increasing size to multiple of 16 bytes
parisc: Directly call machine_power_off() in power button driver
parisc: machine_power_off() should call pm_power_off()
parisc/Kconfig: SMP kernels boot on all machines
parisc: Silence uninitialized variable warning in dbl_to_sgl_fcnvff()
parisc: Move various functions and strings to init section
parisc: Convert MAP_TYPE to cover 4 bits on parisc
parisc: Force to various endian types for sparse
parisc/gscps2: Fix sparse warnings
parisc/led: Fix sparse warnings
parisc/parport_gsc: Use NULL to avoid sparse warning
parisc/stifb: Use fb_memset() to avoid sparse warning
|
|
Pull sparc updates from David Miller:
1) Add support for ADI (Application Data Integrity) found in more
recent sparc64 cpus. Essentially this is keyed based access to
virtual memory, and if the key encoded in the virual address is
wrong you get a trap.
The mm changes were reviewed by Andrew Morton and others.
Work by Khalid Aziz.
2) Validate DAX completion index range properly, from Rob Gardner.
3) Add proper Kconfig deps for DAX driver. From Guenter Roeck.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
sparc64: Make atomic_xchg() an inline function rather than a macro.
sparc64: Properly range check DAX completion index
sparc: Make auxiliary vectors for ADI available on 32-bit as well
sparc64: Oracle DAX driver depends on SPARC64
sparc64: Update signal delivery to use new helper functions
sparc64: Add support for ADI (Application Data Integrity)
mm: Allow arch code to override copy_highpage()
mm: Clear arch specific VM flags on protection change
mm: Add address parameter to arch_validate_prot()
sparc64: Add auxiliary vectors to report platform ADI properties
sparc64: Add handler for "Memory Corruption Detected" trap
sparc64: Add HV fault type handlers for ADI related faults
sparc64: Add support for ADI register fields, ASIs and traps
mm, swap: Add infrastructure for saving page metadata on swap
signals, sparc: Add signal codes for ADI violations
|
|
Pull networking updates from David Miller:
1) Support offloading wireless authentication to userspace via
NL80211_CMD_EXTERNAL_AUTH, from Srinivas Dasari.
2) A lot of work on network namespace setup/teardown from Kirill Tkhai.
Setup and cleanup of namespaces now all run asynchronously and thus
performance is significantly increased.
3) Add rx/tx timestamping support to mv88e6xxx driver, from Brandon
Streiff.
4) Support zerocopy on RDS sockets, from Sowmini Varadhan.
5) Use denser instruction encoding in x86 eBPF JIT, from Daniel
Borkmann.
6) Support hw offload of vlan filtering in mvpp2 dreiver, from Maxime
Chevallier.
7) Support grafting of child qdiscs in mlxsw driver, from Nogah
Frankel.
8) Add packet forwarding tests to selftests, from Ido Schimmel.
9) Deal with sub-optimal GSO packets better in BBR congestion control,
from Eric Dumazet.
10) Support 5-tuple hashing in ipv6 multipath routing, from David Ahern.
11) Add path MTU tests to selftests, from Stefano Brivio.
12) Various bits of IPSEC offloading support for mlx5, from Aviad
Yehezkel, Yossi Kuperman, and Saeed Mahameed.
13) Support RSS spreading on ntuple filters in SFC driver, from Edward
Cree.
14) Lots of sockmap work from John Fastabend. Applications can use eBPF
to filter sendmsg and sendpage operations.
15) In-kernel receive TLS support, from Dave Watson.
16) Add XDP support to ixgbevf, this is significant because it should
allow optimized XDP usage in various cloud environments. From Tony
Nguyen.
17) Add new Intel E800 series "ice" ethernet driver, from Anirudh
Venkataramanan et al.
18) IP fragmentation match offload support in nfp driver, from Pieter
Jansen van Vuuren.
19) Support XDP redirect in i40e driver, from Björn Töpel.
20) Add BPF_RAW_TRACEPOINT program type for accessing the arguments of
tracepoints in their raw form, from Alexei Starovoitov.
21) Lots of striding RQ improvements to mlx5 driver with many
performance improvements, from Tariq Toukan.
22) Use rhashtable for inet frag reassembly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1678 commits)
net: mvneta: improve suspend/resume
net: mvneta: split rxq/txq init and txq deinit into SW and HW parts
ipv6: frags: fix /proc/sys/net/ipv6/ip6frag_low_thresh
net: bgmac: Fix endian access in bgmac_dma_tx_ring_free()
net: bgmac: Correctly annotate register space
route: check sysctl_fib_multipath_use_neigh earlier than hash
fix typo in command value in drivers/net/phy/mdio-bitbang.
sky2: Increase D3 delay to sky2 stops working after suspend
net/mlx5e: Set EQE based as default TX interrupt moderation mode
ibmvnic: Disable irqs before exiting reset from closed state
net: sched: do not emit messages while holding spinlock
vlan: also check phy_driver ts_info for vlan's real device
Bluetooth: Mark expected switch fall-throughs
Bluetooth: Set HCI_QUIRK_SIMULTANEOUS_DISCOVERY for BTUSB_QCA_ROME
Bluetooth: btrsi: remove unused including <linux/version.h>
Bluetooth: hci_bcm: Remove DMI quirk for the MINIX Z83-4
sh_eth: kill useless check in __sh_eth_get_regs()
sh_eth: add sh_eth_cpu_data::no_xdfar flag
ipv6: factorize sk_wmem_alloc updates done by __ip6_append_data()
ipv4: factorize sk_wmem_alloc updates done by __ip_append_data()
...
|
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Pull MMC updates from Ulf Hansson:
"MMC core:
- Export host capabilities through debugfs
- Export card RCA register via sysfs
- Improve card initializing sequence while enabling 4-bit bus
- Export a function to enable/disable wakeup for card detect IRQ
MMC host:
- dw_mmc: Add support for new hi3798cv200 variant
- dw_mmc: Remove support for some deprecated DT properties
- mediatek: Add support for new variant used on MT7622 SoC
- sdhci: Improve wakeup support for SDIO IRQs
- sdhci: Improve wakeup support for card detect IRQs
- sdhci-omap: Add tuning support
- sdhci_omap: Add UHS-I mode support
- sunxi: Prepare for runtime PM support via a few re-factorings
- tmio: deprecate "toshiba,mmc-wrprotect-disable" DT property
- tmio/renesas_sdhi: Consolidate code supporting write protect
- tmio: Improve DMA vs PIO handling
- tmio: Add support for IP-builtin card detection logic"
* tag 'mmc-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (55 commits)
mmc: renesas_sdhi: replace EXT_ACC with HOST_MODE
mmc: update sdio_claim_irq documentation
mmc: Export host capabilities to debugfs.
mmc: core: Disable HPI for certain Micron (Numonyx) eMMC cards
mmc: block: fix updating ext_csd caches on ioctl call
mmc: sunxi: Set our device drvdata earlier
mmc: sunxi: Move the reset deassertion before enabling the clocks
mmc: sunxi: Move resources management to separate functions
mmc: dw_mmc: add support for hi3798cv200 specific extensions of dw-mshc
dt-bindings: mmc: add bindings for hi3798cv200-dw-mshc
mmc: core: Export card RCA register via sysfs
mmc: renesas_sdhi: fix WP detection
mmc: core: Use memdup_user() rather than duplicating its implementation
mmc: dw_mmc-rockchip: correct property names in debug
mmc: sd: Remove redundant err assignment from mmc_read_switch
mmc: sdio: Check the return value of sdio_enable_4bit_bus
mmc: core: Don't try UHS-I mode if 4-bit mode isn't supported
arm64: dts: hi3660: remove 'num-slots' property for dwmmc
ARM: dts: lpc18xx: remove 'num-slots' property for dwmmc
arm64: dts: stratix10: remove 'num-slots' property for dwmmc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
- Microsemi Ocelot reset support
- Spreadtrum SC27xx reset support
- generic gpio charger: lot's of cleanups
- axp20x fuel gauge: add AXP813 support
- misc fixes, including one devicetree change for the Nokia N900, that
has been Acked-by Tony Lindgren
* tag 'for-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (27 commits)
power: reset: at91-reset: Switch from the pr_*() to the dev_*() logging functions
power: reset: at91-poweroff: Remove redundant dev_err call in at91_poweroff_probe()
power: reset: at91-poweroff: Switch from the pr_*() to the dev_*() logging functions
power: reset: make function sc27xx_poweroff_shutdown static
power: supply: da9150-fg: remove VLA usage
ARM: dts: omap3-n900: Add link between battery and charger
power: supply: bq2415x: add DT referencing support
power: supply: bq27xxx: support missing supplier device
max17042: propagate of_node to power supply device
power: supply: axp288_fuel_gauge: Fix full status reporting
power: supply: axp288_fuel_gauge: Do not register FG on ECS EF20EA
power: reset: gpio-poweroff: Support for timeout from device property
dt-bindings: power: reset: gpio-poweroff: Add 'timeout-ms' property
power: reset: Add Spreadtrum SC27xx PMIC power off support
power: supply: axp20x_battery: add support for AXP813
dt-bindings: power: supply: axp20x: add AXP813 battery DT binding
power: supply: axp20x_battery: use data struct for variant specific code
power: supply: gpio-charger: Remove pdata from gpio_charger
power: supply: gpio-charger: Use GPIOF_ACTIVE_LOW for legacy setup
power: supply: gpio-charger: Remove redundant dev_err call in probe function
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull SPI updates from Mark Brown:
"A quiet release for SPI, some fixes and small updates for individual
drivers with one bigger change from Linus Walleij which coverts the
bitbanging SPI driver to use the GPIO descriptor API from Linus
Walleij.
Since GPIO descriptors were used by platform data this means there's a
few changes in arch/ making relevant updates for a few platforms and
one misc driver that are affected"
* tag 'spi-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (24 commits)
MAINTAINERS: update Andi's e-mail
spi: spi-atmel: Use correct enum for DMA transfer direction
spi: sh-msiof: Document R-Car M3-N support
spi: sh-msiof: Use correct enum for DMA transfer direction
spi: sprd: Add the support of restarting the system
spi: sprd: Simplify the transfer function
spi: Fix unregistration of controller with fixed SPI bus number
spi: rspi: use correct enum for DMA transfer direction
spi: jcore: disable ref_clk after getting its rate
spi: bcm-qspi: fIX some error handling paths
spi: pxa2xx: Disable runtime PM if controller registration fails
spi: tegra20-slink: use true and false for boolean values
spi: Fix scatterlist elements size in spi_map_buf
spi: atmel: init FIFOs before spi enable
spi: orion: Prepare space for per-child options
spi: orion: Make the error message greppable
spi: orion: Rework GPIO CS handling
spi: bcm2835aux: Avoid 64-bit arithmetic in xfer len calc
spi: spi-gpio: Augment device tree bindings
spi: spi-gpio: Rewrite to use GPIO descriptors
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