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git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into arm/dt
ASPEED device tree updates for 5.8
New machines:
- YADRO's ast2500 OpenPower P9 Nicole BMC
- Facebook's ast2500 x86 Yosemite V2 BMC
The AST2600 machines Rainier and Tacoma were fleshed out.
Machines have started describing the GPIO names as userspace attempts
to use the GPIO chardev API.
* tag 'aspeed-5.8-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed: (32 commits)
ARM: dts: aspeed: Change KCS nodes to v2 binding
ARM: dts: Aspeed: AST2600: Add XDMA PCI-E root control reset
ARM: dts: aspeed: ast2600: Add XDMA Engine
ARM: dts: aspeed: ast2500: Add XDMA Engine
ARM: dts: aspeed: Adding Facebook Yosemite V2 BMC
ARM: dts: aspeed: Add YADRO Nicole BMC
ARM: dts: aspeed: mihawk: add aliases for i2c
ARM: dts: aspeed: tacoma: Add TPM
ARM: dts: aspeed: tacoma: Enable the second VUART
ARM: dts: aspeed: tacoma: Add iio-hwmon nodes for IIO devices
ARM: dts: aspeed: rainier: Add VGA reserved memory region
ARM: dts: aspeed: rainier: Add gpio line names
ARM: dts: aspeed: tacoma: Add gpio line names
ARM: dts: aspeed: zaius: Add gpio line names
ARM: dts: aspeed: romulus: Add gpio line names
ARM: dts: aspeed: witherspoon: Add gpio line names
ARM: dts: aspeed: ast2600: Set arch timer always-on
ARM: dts: aspeed: tacoma: Add GPIOs for FSI
ARM: dts: aspeed: mihawk: Change the name of leds
ARM: dts: aspeed: rainier: Remove regulators
...
Link: https://lore.kernel.org/r/CACPK8Xd-=XFREvvS-mK_ECyn14y0GPAMyy5BpEEUYfaw4jAgsw@mail.gmail.com
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/dt
DTS changes for omaps for v5.8 merge window
We add support for beaglebone-ai board that's am5729 based devices.
Then we have a series changes to configure more hardware acceletators found
on omap variants. With the recent ti-sysc related changes, we can now better
configure the accelerators with help of the clock framework and reset driver.
So with a series of changes from Suman Anna and Tero Kristo, let's configure
IPUs and DSPs for dra7 devices like beagle-x15. And let's also configure the
missing crypto accelerators for omap5 as those have been missing.
Note that there are still some pending driver related patches to use IPU and
DSP related features with mainline kernel, but those are independent of the
devicetree changes.
Then there is a display related change for am57xx-idk for tc358778 bridge,
and a change to configure the missing clock source for some PWM timers.
* tag 'omap-for-v5.8/dt-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
ARM: OMAP5: Make L4SEC clock domain SWSUP only
ARM: OMAP4: Make L4SEC clock domain SWSUP only
ARM: dts: omap5: add DES crypto accelerator node
ARM: dts: omap5: add SHA crypto accelerator node
ARM: dts: omap5: add aes2 entry
ARM: dts: omap5: add aes1 entry
ARM: dts: dra7-ipu-dsp-common: Add watchdog timers to IPU and DSP nodes
ARM: dts: am571x-idk: Add CMA pools and enable IPUs & DSP1 rprocs
ARM: dts: am572x-idk-common: Add CMA pools and enable IPU & DSP rprocs
ARM: dts: beagle-x15-common: Add CMA pools and enable IPU & DSP rprocs
ARM: dts: dra76-evm: Add CMA pools and enable IPU & DSP rprocs
ARM: dts: dra71-evm: Add CMA pools and enable IPUs & DSP1 rprocs
ARM: dts: dra72-evm-revc: Add CMA pools and enable IPUs & DSP1 rprocs
ARM: dts: dra72-evm: Add CMA pools and enable IPUs & DSP1 rprocs
ARM: dts: dra7-evm: Add CMA pools and enable IPU & DSP rprocs
ARM: dts: dra7-ipu-dsp-common: Add timers to IPU and DSP nodes
ARM: dts: dra7-ipu-dsp-common: Add mailboxes to IPU and DSP nodes
ARM: dts: dra7-ipu-dsp-common: Move mailboxes into common files
ARM: dts: DRA72x: Add aliases for rproc nodes
ARM: dts: DRA74x: Add aliases for rproc nodes
...
Link: https://lore.kernel.org/r/pull-1588873628-477615@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt
Renesas ARM DT updates for v5.8
- USB, UART, PWM, and PCIe support for R-Car M3-W+,
- PWM (16-bit Timer Pulse Unit and PWM Timers) support for R-Car M2-W,
- Minor fixes and cleanups.
* tag 'renesas-arm-dt-for-v5.8-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
arm64: dts: renesas: Fix IOMMU device node names
ARM: dts: renesas: Fix IOMMU device node names
ARM: dts: shmobile: Update CMT1 compatible values
ARM: dts: r8a7791: Add PWM device nodes
ARM: dts: r8a7791: Add TPU device node
arm64: dts: renesas: r8a77961: Add PCIe device nodes
arm64: dts: renesas: r8a77961: Add PWM device nodes
arm64: dts: renesas: r8a77961: Add SCIF and HSCIF nodes
arm64: dts: renesas: r8a77961: Add USB3.0 device nodes
arm64: dts: renesas: r8a77961: Add USB2.0 device nodes
Link: https://lore.kernel.org/r/20200430084849.1457-3-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator into arm/dt
Versatile DTS updates for the v5.8 kernel:
Create a new device tree for the Integrator/AP with the
IM-PD1 expansion module fitted in the first slot.
If we want to augment the slot where it is sitting, we can
alter the device tree or make the bootloader do so.
* tag 'versatile-dts-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator:
ARM: dts: Add devicetree for Integrator/AP with IM-PD1
Link: https://lore.kernel.org/r/CACRpkdZ-28o+pPdP7i_fc+7g4ndPWf+SWTsjnhFEegTggiXVSg@mail.gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into arm/dt
STi DT fixes:
- Remove duplicated rng node in stih407-family.dtsi
- Fix complain about IRQ_TYPE_NONE usage in stih418.dtsi
* tag 'sti-dt-for-v5.8-round1' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
dts: arm: stih407-family: remove duplicated rng nodes
dts: arm: stih418: Fix complain about IRQ_TYPE_NONE usage
Link: https://lore.kernel.org/r/4b0c02e7-a247-50c0-d729-88d16b9dd7fd@st.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add emmc and sd card devicetree nodes for SC9863A.
Link: https://lore.kernel.org/r/20200414101636.24503-3-zhang.lyra@gmail.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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add clock devicetree nodes for SC9863A.
Link: https://lore.kernel.org/r/20200414101636.24503-2-zhang.lyra@gmail.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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add PMIC MT6358 related nodes which is for MT8183 platform
Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Link: https://lore.kernel.org/r/1587438012-24832-7-git-send-email-hsin-hsiung.wang@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Indeed according to the MIPS32 Privileged Resource Architecgture the MAAR
pair register address field either takes [12:31] bits for non-XPA systems
and [12:55] otherwise. In any case the current address mask is just
wrong for 64-bit and 32-bits XPA chips. So lets extend it to 59-bits
of physical address value. This shall cover the 64-bits architecture and
systems with XPA enabled, and won't cause any problem for non-XPA 32-bit
systems, since address values exceeding the architecture specific MAAR
mask will be just truncated with setting zeros in the unsupported upper
bits.
Co-developed-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Signed-off-by: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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After commit f5ff0a280201 ("[MIPS] Use generic NTP code for all MIPS
platforms"), TICK_SIZE is not used in ip27-timer.c for many years,
remove it.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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The 'pinctrl-names' property should contain a list of names
to the assigned states. The value 'led_pins' in the gpio-leds
node on rk3326-odroid-go2 is not a state that is normally used,
so change it the common name 'default'.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200519111444.2208-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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These error messages are output when booting on a BCM HR2 system:
GIC: PPI11 is secure or misconfigured
GIC: PPI13 is secure or misconfigured
Per ARM documentation these interrupts are triggered on a rising edge.
See ARM Cortex A-9 MPCore Technical Reference Manual, Revision r4p1,
Section 3.3.8 Interrupt Configuration Registers.
The same issue was resolved for NSP systems in commit 5f1aa51c7a1e
("ARM: dts: NSP: Fix PPI interrupt types").
Fixes: b9099ec754b5 ("ARM: dts: Add Broadcom Hurricane 2 DTS include file")
Signed-off-by: Hamish Martin <hamish.martin@alliedtelesis.co.nz>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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The status "ACT" led on the Raspberry Pi Zero W is on when GPIO 47 is low.
This has been verified on a board and somewhat confirmed by both the GPIO
name ("STATUS_LED_N") and the reduced schematics [1].
[1]: https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_ZeroW_1p1_reduced.pdf
Fixes: 2c7c040c73e9 ("ARM: dts: bcm2835: Add Raspberry Pi Zero W")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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arch/riscv/mm/init.c: In function ‘print_vm_layout’:
arch/riscv/mm/init.c:68:37: error: ‘FIXADDR_START’ undeclared (first use in this function);
arch/riscv/mm/init.c:69:20: error: ‘FIXADDR_TOP’ undeclared
arch/riscv/mm/init.c:70:37: error: ‘PCI_IO_START’ undeclared
arch/riscv/mm/init.c:71:20: error: ‘PCI_IO_END’ undeclared
arch/riscv/mm/init.c:72:38: error: ‘VMEMMAP_START’ undeclared
arch/riscv/mm/init.c:73:20: error: ‘VMEMMAP_END’ undeclared (first use in this function);
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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Implement cache_get_priv_group() that will make use of a generic ops
structure to return a private attribute group for custom cache info.
Using riscv_set_cacheinfo_ops() users can hook their own custom function
to return the private attribute group for cacheinfo. In future we can
add more ops to this generic ops structure for SOC specific cacheinfo.
Signed-off-by: Yash Shah <yash.shah@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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The Shenzen AZW (Beelink) GT-King Pro is based on the Amlogic W400
reference board with an S922X chip.
- 4GB LPDDR4 RAM
- 64GB eMMC storage
- 10/100/1000 Base-T Ethernet
- AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
- HDMI 2.1 video
- Analogue audio output
- 1x RS232 port
- 2x USB 2.0 port
- 2x USB 3.0 ports
- IR receiver
- 1x micro SD card slot
- 1x Power on/off button
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200520014329.12469-6-christianshewitt@gmail.com
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The Shenzen AZW (Beelink) GT-King is based on the Amlogic W400 reference
board with an S922X chip.
- 4GB LPDDR4 RAM
- 64GB eMMC storage
- 10/100/1000 Base-T Ethernet
- AP6356S Wireless (802.11 a/b/g/n/ac, BT 4.1)
- HDMI 2.1 video
- S/PDIF optical output
- Analogue audio output
- 1x USB 2.0 port
- 2x USB 3.0 ports
- IR receiver
- 1x micro SD card slot
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200520014329.12469-4-christianshewitt@gmail.com
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Convert the Ugoos AM6 dts into meson-g12b-w400.dtsi, and then create
a new AM6 dts that references it. This is in preparation for several
new G12B devices that will share the common w400 dtsi.
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200520014329.12469-2-christianshewitt@gmail.com
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML fixes from Richard Weinberger:
- Two missing includes which caused build issues on recent systems
- Correctly set TRANS_GRE_LEN in our vector network driver
* tag 'for-linus-5.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: Fix typo in vector driver transport option definition
um: syscall.c: include <asm/unistd.h>
um: Fix xor.h include
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Instead of maintaining 2 sets of enums/macros for tracking SMCCC version,
let us drop smccc_version enum and use ARM_SMCCC_VERSION_1_x directly
instead.
This is in preparation to drop smccc_version here and move it separately
under drivers/firmware/smccc.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Etienne Carriere <etienne.carriere@st.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Reviewed-by: Etienne Carriere <etienne.carriere@st.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20200518091222.27467-5-sudeep.holla@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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Currently there are multiple instances of parange feature width mask open
encodings while fetching it's value. Even the width mask value (0x7) itself
is not accurate. It should be (0xf) per ID_AA64MMFR0_EL1.PARange[3:0] as in
ARM ARM (0487F.a). Replace them with cpuid_feature_extract_unsigned_field()
which can extract given standard feature (4 bits width i.e 0xf mask) field.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/1589360614-1164-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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It needs access_process_vm() if the traced process does not share
mm with the caller. Solution is similar to what sparc64 does.
Note that genregs32_set() is only ever called with pos being 0
or 32 * sizeof(u32) (the latter - as part of PTRACE_SETREGS
handling).
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Add the required typedefs etc for using con_in's simple text input
protocol, and for using the boottime event services.
Also add the prototype for the "stall" boot service.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200518190716.751506-19-nivedita@alum.mit.edu
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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Move the soc device register code to drivers/soc/imx to align with
i.MX8.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The soc device register code will be moved to drivers/soc/imx/,
the code needs the cpu type definitions. So let's move the cpu
type definitions to a header.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This is preparation to move imx_soc_device_init to drivers/soc/imx/
There is no reason to must put dt devices under /sys/devices/soc0,
they could also be under /sys/devices/platform, so we could
pass NULL as parent when calling of_platform_default_populate.
Following soc-imx8.c soc-imx-scu.c using device_initcall, need
to change return type to int type for imx_soc_device_init.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add ds26522 node to fsl-ls1043a-rdb.dts
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add qe node to fsl-ls1043a.dtsi and fsl-ls1043a-rdb.dts
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This validates hypervisor capabilities like VMID width, IPA range for any
hot plug CPU against system finalized values. KVM's view of the IPA space
is used while allowing a given CPU to come up. While here, it factors out
get_vmid_bits() for general use.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kvmarm@lists.cs.columbia.edu
Cc: linux-kernel@vger.kernel.org
Suggested-by: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1589248647-22925-1-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
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Keep the switch port labels consistent across the different board
variants. If the user wants to rename them, it should be done in
user-space.
Fixes: ab43f0307449 ("arm64: dts: ls1028a: sl28: add support for variant 2")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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In order to alloc sub-arches to alloc KASAN regions using optimised
methods (Huge pages on 8xx, BATs on BOOK3S, ...), declare
kasan_init_region() weak.
Also make kasan_init_shadow_page_tables() accessible from outside,
so that it can be called from the specific kasan_init_region()
functions if needed.
And populate remaining KASAN address space only once performed
the region mapping, to allow 8xx to allocate hugepd instead of
standard page tables for mapping via 8M hugepages.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/3c1ce419fa1b5a4171b92d7fb16455ca17e1b96d.1589866984.git.christophe.leroy@csgroup.eu
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kasan_remap_early_shadow_ro() and kasan_unmap_early_shadow_vmalloc()
are both updating the early shadow mapping: the first one sets
the mapping read-only while the other clears the mapping.
Refactor and create kasan_update_early_region()
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/8c496c0828de2608c7c940c45525d177e91b6f1b.1589866984.git.christophe.leroy@csgroup.eu
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Commit 45ff3c559585 ("powerpc/kasan: Fix parallel loading of
modules.") added spinlocks to manage parallele module loading.
Since then commit 47febbeeec44 ("powerpc/32: Force KASAN_VMALLOC for
modules") converted the module loading to KASAN_VMALLOC.
The spinlocking has then become unneeded and can be removed to
simplify kasan_init_shadow_page_tables()
Also remove inclusion of linux/moduleloader.h and linux/vmalloc.h
which are not needed anymore since the removal of modules management.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/81a4d3aee8b82bc1355595935c8f4ad9d3b22a83.1589866984.git.christophe.leroy@csgroup.eu
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Doing kasan pages allocation in MMU_init is too early, kernel doesn't
have access yet to the entire memory space and memblock_alloc() fails
when the kernel is a bit big.
Do it from kasan_init() instead.
Fixes: 2edb16efc899 ("powerpc/32: Add KASAN support")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c24163ee5d5f8cdf52fefa45055ceb35435b8f15.1589866984.git.christophe.leroy@csgroup.eu
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At the time being, KASAN_SHADOW_END is 0x100000000, which
is 0 in 32 bits representation.
This leads to a couple of issues:
- kasan_remap_early_shadow_ro() does nothing because the comparison
k_cur < k_end is always false.
- In ptdump, address comparison for markers display fails and the
marker's name is printed at the start of the KASAN area instead of
being printed at the end.
However, there is no need to shadow the KASAN shadow area itself,
so the KASAN shadow area can stop shadowing memory at the start
of itself.
With a PAGE_OFFSET set to 0xc0000000, KASAN shadow area is then going
from 0xf8000000 to 0xff000000.
Fixes: cbd18991e24f ("powerpc/mm: Fix an Oops in kasan_mmu_init()")
Cc: stable@vger.kernel.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ae1a3c0d19a37410c209c3fc453634cfcc0ee318.1589866984.git.christophe.leroy@csgroup.eu
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In case (k_start & PAGE_MASK) doesn't equal (kstart), 'va' will never be
NULL allthough 'block' is NULL
Check the return of memblock_alloc() directly instead of
the resulting address in the loop.
Fixes: 509cd3f2b473 ("powerpc/32: Simplify KASAN init")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/7cb8ca82042bfc45a5cfe726c921cd7e7eeb12a3.1589866984.git.christophe.leroy@csgroup.eu
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This option increases the number of SLB misses by limiting the number
of kernel SLB entries, and increased flushing of cached lookaside
information. This helps stress test difficult to hit paths in the
kernel.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Relocate the code into arch/powerpc/mm, s/torture/stress/]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200511125825.3081305-1-mpe@ellerman.id.au
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A 0day randconfig uncovered an error with clang, trimmed for brevity:
arch/powerpc/platforms/embedded6xx/wii.c:195:7: error: attribute
declaration must precede definition [-Werror,-Wignored-attributes]
if (!machine_is(wii))
^
The macro machine_is declares mach_##name but define_machine actually
defines mach_##name, hence the warning.
To fix this, move define_machine after the is_machine usage.
Fixes: 5a7ee3198dfa ("powerpc: wii: platform support")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://github.com/ClangBuiltLinux/linux/issues/989
Link: https://lore.kernel.org/r/20200413190644.16757-1-natechancellor@gmail.com
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Booting a power9 server with hash MMU could trigger an undefined
behaviour because pud_offset(p4d, 0) will do,
0 >> (PAGE_SHIFT:16 + PTE_INDEX_SIZE:8 + H_PMD_INDEX_SIZE:10)
Fix it by converting pud_index() and friends to static inline
functions.
UBSAN: shift-out-of-bounds in arch/powerpc/mm/ptdump/ptdump.c:282:15
shift exponent 34 is too large for 32-bit type 'int'
CPU: 6 PID: 1 Comm: swapper/0 Not tainted 5.6.0-rc4-next-20200303+ #13
Call Trace:
dump_stack+0xf4/0x164 (unreliable)
ubsan_epilogue+0x18/0x78
__ubsan_handle_shift_out_of_bounds+0x160/0x21c
walk_pagetables+0x2cc/0x700
walk_pud at arch/powerpc/mm/ptdump/ptdump.c:282
(inlined by) walk_pagetables at arch/powerpc/mm/ptdump/ptdump.c:311
ptdump_check_wx+0x8c/0xf0
mark_rodata_ro+0x48/0x80
kernel_init+0x74/0x194
ret_from_kernel_thread+0x5c/0x74
Suggested-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
Link: https://lore.kernel.org/r/20200306044852.3236-1-cai@lca.pw
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Christian reports:
MODPOST vmlinux.o
WARNING: modpost: vmlinux.o(.text.unlikely+0x1a0): Section mismatch in
reference from the function .early_init_mmu() to the function
.init.text:.radix__early_init_mmu()
The function .early_init_mmu() references
the function __init .radix__early_init_mmu().
This is often because .early_init_mmu lacks a __init
annotation or the annotation of .radix__early_init_mmu is wrong.
WARNING: modpost: vmlinux.o(.text.unlikely+0x1ac): Section mismatch in
reference from the function .early_init_mmu() to the function
.init.text:.hash__early_init_mmu()
The function .early_init_mmu() references
the function __init .hash__early_init_mmu().
This is often because .early_init_mmu lacks a __init
annotation or the annotation of .hash__early_init_mmu is wrong.
The compiler is uninlining early_init_mmu and not putting it in an init
section because there is no annotation. Add it.
Reported-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Link: https://lore.kernel.org/r/20200429070247.1678172-1-npiggin@gmail.com
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Fixes coccicheck warning:
./arch/powerpc/platforms/powernv/opal.c:813:1-5:
alloc with no test, possible model on line 814
Add NULL check after kzalloc.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200509020838.121660-1-chenzhou10@huawei.com
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The ps3's otheros flash loader has a size limit of 16 MiB for the
uncompressed image. If that limit will be reached output the
flash image file as 'otheros-too-big.bld'.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/897c2a59-378e-7c9b-3976-d0a0def90913@infradead.org
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With a 64K page size flush with start and end:
(start, end) = (721f680d0000, 721f680e0000)
results in:
(hstart, hend) = (721f68200000, 721f68000000)
ie. hstart is above hend, which indicates no huge page flush is
needed.
However the current logic incorrectly sets hflush = true in this case,
because hstart != hend.
That causes us to call __tlbie_va_range() passing hstart/hend, to do a
huge page flush even though we don't need to. __tlbie_va_range() will
skip the actual tlbie operation for start > end. But it will still end
up calling fixup_tlbie_va_range() and doing the TLB fixups in there,
which is harmless but unnecessary work.
Reported-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Drop else case, hflush is already false, flesh out change log]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200513030616.152288-1-aneesh.kumar@linux.ibm.com
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Merge our topic branch shared with the kvm-ppc tree.
This brings in one commit that touches the XIVE interrupt controller
logic across core and KVM code.
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Merge our uaccess-ppc topic branch. It is based on the uaccess topic
branch that we're sharing with Viro.
This includes the addition of user_[read|write]_access_begin(), as
well as some powerpc specific changes to our uaccess routines that
would conflict badly if merged separately.
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The RTC found on the MAX77620 PMIC can be used as a wakeup source on
Jetson TX2, which is useful to wake the system from suspend at a given
time.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
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Enable the VI I2C so that the peripherals connected to it (such as the
camera connector, an INA3221 power monitor and the USB 3.1 4-port hub)
can be accessed.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Fix flag in PCIe controllers device-tree nodes 'ranges' property to correctly
represent 64-bit resources.
Fixes: 2602c32f15e7 ("arm64: tegra: Add P2U and PCIe controller nodes to Tegra194 DT")
Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra210 contains VI controller for video input capture from MIPI
CSI camera sensors and also supports built-in test pattern generator.
CSI ports can be one-to-one mapped to VI channels for capturing from
an external sensor or from built-in test pattern generator.
This patch adds support for VI and CSI and enables them in Tegra210
device tree.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Tegra210 device tree is missing reset-cells property for the memory
controller node. This patch adds it.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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