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PPC64 removed default mapping address from VDSO in
commit 30d0b3682887 ("powerpc: Move 64bit VDSO to improve context
switch performance").
Do like PPC64 and let get_unmapped_area() place the VDSO mapping
at the address it wants, don't force a default address.
This allows randomisation of VDSO address.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/cba76f5a5b01fcc49415e632d92c11c1c5998cab.1660843877.git.christophe.leroy@csgroup.eu
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The SoM itself provides the display interface, see [1] page 20.
Those pins have to be used as the RGB/DPI interface or not used
at all. So rather than duplicate the pinmux settings in every
carrier board DT, better move them into the SoM DTSI.
[1] https://wiki.dh-electronics.com/images/2/2e/DOC_DHCOM-Standard-Specification_R01_2016-11-17.pdf
Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The imx6ull-kontron-bl.dtb wasn't build as part of the
CONFIG_SOC_IMX6UL option. Add it to the list.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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There is no need in differentiating between the different SoM versions
that only differ in memory size, etc. It's much cleaner to simplify
the devicetrees and let them be more generic.
If necessary the bootloader will update the devicetree dynamically
to contain the correct size of the memory.
We also get rid of the N6xxx notation in the compatibles and file
names, as they are not really used anymore and often result in
confusion.
This is a breaking change, but the impact shouldn't be too big and it
makes usage and maintenance easier in the future.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Fix reset GPIO polarity in-line with the following commit feedaacdadfc
("Input: atmel_mxt_ts - fix up inverted RESET handler").
Fixes: a39ed23bdf6e ("arm64: dts: freescale: add initial support for verdin imx8m plus")
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Fix reset GPIO polarity in-line with the following commit feedaacdadfc
("Input: atmel_mxt_ts - fix up inverted RESET handler").
Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini")
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Fix copy-paste error of the I2C5 bus recovery GPIO assignment,
the I2C5 GPIOs are on gpio3 instead of gpio5.
Fixes: 8d6712695bc8e ("arm64: dts: imx8mp: Add support for DH electronics i.MX8M Plus DHCOM and PDK2")
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since commit 65ac79e18120 ("net: dsa: microchip: add the phylink
get_caps") the phy-mode must be set otherwise the switch driver will
assume "NA" mode and invalidate the port.
Fixes: 65ac79e18120 ("net: dsa: microchip: add the phylink get_caps")
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The Verdin iMX8M Mini System on Module does not have USB-ID signal
connected on Verdin USB_2 (usbotg2). On Verdin Development board this is
no problem, as we have connected a USB-Hub that is always connected.
However, if Verdin USB_2 is desired to be used as a single USB-Host port
the chipidea driver does not detect if a USB device is plugged into this
port, due to runtime pm shutting down the PHY.
Add the power-domain &pgc_otg2 to &usbphynop2 in order to detect
plugging events and enumerate the usb device.
Fixes: 6a57f224f734 ("arm64: dts: freescale: add initial support for verdin imx8m mini")
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The node names should be generic and DT schema expects certain pattern.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The node names should be generic and DT schema expects certain pattern.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The node names should be generic and DT schema expects certain pattern.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The node names should be generic and DT schema expects certain pattern.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add fixed power supplies to the EEPROM nodes to suppress a warning:
at24 2-0050: supply vcc not found, using dummy regulator
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Pull irq fixes from Ingo Molnar:
"Misc irqchip fixes: LoongArch driver fixes and a Hyper-V IOMMU fix"
* tag 'irq-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/loongson-liointc: Fix an error handling path in liointc_init()
irqchip/loongarch: Fix irq_domain_alloc_fwnode() abuse
irqchip/loongson-pch-pic: Move find_pch_pic() into CONFIG_ACPI
irqchip/loongson-eiointc: Fix a build warning
irqchip/loongson-eiointc: Fix irq affinity setting
iommu/hyper-v: Use helper instead of directly accessing affinity
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Pull x86 kprobes fix from Ingo Molnar:
"Fix a kprobes bug in JNG/JNLE emulation when a kprobe is installed at
such instructions, possibly resulting in incorrect execution (the
wrong branch taken)"
* tag 'perf-urgent-2022-08-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kprobes: Fix JNG/JNLE emulation
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GCC has supported asm goto since 4.5, and Clang has since version 9.0.0.
The minimum supported versions of these tools for the build according to
Documentation/process/changes.rst are 5.1 and 11.0.0 respectively.
Remove the feature detection script, Kconfig option, and clean up some
fallback code that is no longer supported.
The removed script was also testing for a GCC specific bug that was
fixed in the 4.7 release.
Also remove workarounds for bpftrace using clang older than 9.0.0, since
other BPF backend fixes are required at this point.
Link: https://lore.kernel.org/lkml/CAK7LNATSr=BXKfkdW8f-H5VT_w=xBpT2ZQcZ7rm6JfkdE+QnmA@mail.gmail.com/
Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637
Acked-by: Borislav Petkov <bp@suse.de>
Suggested-by: Masahiro Yamada <masahiroy@kernel.org>
Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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DT spec expects generic DMA controller node name as "dma-controller" to
enable validations.
Signed-off-by: Kuldeep Singh <singh.kuldeep87k@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The Lynx PCS integrated with ENETC port 0 does not support in-band
autoneg for the 2500base-x SERDES protocol, and prints errors from its
phylink methods. Furthermore, the AQR112 card used for these boards does
not expect in-band autoneg either. So delete the extraneous property.
Fixes: e426d63e752b ("arm64: dts: ls1028a-qds: add overlays for various serdes protocols")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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i2c2 is routed to the pins dedicated as DDC in the module standard.
Reduce clock rate to 100kHz to be in line with VESA standard and hook
this bus up to the HDMI node.
Fixes: 708ed2649ad8 ("ARM: dts: imx6qdl-kontron-samx6i: increase i2c-frequency")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[m.felsch@pengutronix.de: add fixes line]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add ethernet-phy node so we can drop the deprecated fec phy-reset-gpios
property. The reset-assert-us value is taken from the existing logic
since the fec driver will add an 1ms assert delay per default if
phy-reset-gpios is used and phy-reset-duration is not specified.
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Drop the "winbond,w25q16dw" compatible since it causes to set the
MODALIAS to w25q16dw which is not specified within spi-nor id table.
Fix this by use the common "jedec,spi-nor" compatible.
Fixes: 2125212785c9 ("ARM: dts: imx6qdl-kontron-samx6i: add Kontron SMARC SoM Support")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The regulator node 'regulator-3p3v-s0' was dupplicated. Remove it to
clean the DTS.
Fixes: 2a51f9dae13d ("ARM: dts: imx6qdl-kontron-samx6i: Add iMX6-based Kontron SMARC-sAMX6i module")
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This naming error slipped through, so now that a new backlight node has
been added with correct spelling, fix this one also.
Fixes: 98efa526a0c4 ("ARM: dts: imx6qdl-vicut1/vicutgo: Add backlight_led node")
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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On some older hardware models this is needed. It will do no harm if used
with newer models though.
Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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When meeting ftrace trampolines in ORC unwinding, unwinder uses address
of ftrace_{regs_}call address to find the ORC entry, which gets next frame at
sp+176.
If there is an IRQ hitting at sub $0xa8,%rsp, the next frame should be
sp+8 instead of 176. It makes unwinder skip correct frame and throw
warnings such as "wrong direction" or "can't access registers", etc,
depending on the content of the incorrect frame address.
By adding the base address ftrace_{regs_}caller with the offset
*ip - ops->trampoline*, we can get the correct address to find the ORC entry.
Also change "caller" to "tramp_addr" to make variable name conform to
its content.
[ mingo: Clarified the changelog a bit. ]
Fixes: 6be7fa3c74d1 ("ftrace, orc, x86: Handle ftrace dynamically allocated trampolines")
Signed-off-by: Chen Zhongjin <chenzhongjin@huawei.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220819084334.244016-1-chenzhongjin@huawei.com
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This property was never needed, remove it. This also silences
dtbs_check warnings.
Fixes: b186b8b6e770 ("arm64: dts: freescale: add initial device tree for TQMa8Mx with i.MX8M")
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Use the general touchscreen method to config the max pressure for
touch tsc2046(data sheet suggest 8 bit pressure), otherwise, for
ABS_PRESSURE, when config the same max and min value, weston will
meet the following issue,
[17:19:39.183] event1 - ADS7846 Touchscreen: is tagged by udev as: Touchscreen
[17:19:39.183] event1 - ADS7846 Touchscreen: kernel bug: device has min == max on ABS_PRESSURE
[17:19:39.183] event1 - ADS7846 Touchscreen: was rejected
[17:19:39.183] event1 - not using input device '/dev/input/event1'
This will then cause the APP weston-touch-calibrator can't list touch devices.
root@imx6ul7d:~# weston-touch-calibrator
could not load cursor 'dnd-move'
could not load cursor 'dnd-copy'
could not load cursor 'dnd-none'
No devices listed.
And accroding to binding Doc, "ti,x-max", "ti,y-max", "ti,pressure-max"
belong to the deprecated properties, so remove them. Also for "ti,x-min",
"ti,y-min", "ti,x-plate-ohms", the value set in dts equal to the default
value in driver, so are redundant, also remove here.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The ECSPI1 is on I2C1/I2C2 pins of the SoC, update the pinmux accordingly.
Fixes: 8d6712695bc8e ("arm64: dts: imx8mp: Add support for DH electronics i.MX8M Plus DHCOM and PDK2")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Shawn Guo <shawnguo@kernel.org>
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The pad settings are missed, add them
Fixes: 7899eb6cb15d ("arm64: dts: imx: Add i.MX8M Plus Gateworks gw7400 dts support")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid the following checkpatch warning:
arch/arm/boot/dts/vf610.dtsi:5: check: Please don't use multiple blank
lines
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid the following checkpatch warning:
arch/arm/boot/dts/vf610-twr.dts:172: warning: please, no spaces at the
start of a line
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid spaces in indent but rather use tabs.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid the following checkpatch warning:
arch/arm/boot/dts/imx7d-pico.dtsi:44: error: code indent should use tabs
where possible
arch/arm/boot/dts/imx7d-pico.dtsi:44: warning: please, no spaces at the
start of a line
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Replace the license text with SPDX identifiers.
Avoid the following checkpatch warning:
arch/arm/boot/dts/imx6qdl-sabrelite.dtsi:1: warning: Missing or
malformed SPDX-License-Identifier tag in line 1
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid the following checkpatch warnings:
arch/arm/boot/dts/imx6qdl-phytec-mira-peb-av-02.dtsi:67: error: code
indent should use tabs where possible
arch/arm/boot/dts/imx6qdl-phytec-mira-peb-av-02.dtsi:67: warning:
please, no spaces at the start of a line
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Avoid the following checkpatch warning:
arch/arm/boot/dts/imx6qdl-mba6.dtsi:247: check: Please don't use
multiple blank lines
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Replace the license text with SPDX identifiers.
Avoid the following checkpatch warning:
arch/arm/boot/dts/imx6q-sabrelite.dts:1: warning: Missing or malformed
SPDX-License-Identifier tag in line 1
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The exception handler is broken for unaligned memory acceses with fldw
and fstw instructions, because it trashes or uses randomly some other
floating point register than the one specified in the instruction word
on loads and stores.
The instruction "fldw 0(addr),%fr22L" (and the other fldw/fstw
instructions) encode the target register (%fr22) in the rightmost 5 bits
of the instruction word. The 7th rightmost bit of the instruction word
defines if the left or right half of %fr22 should be used.
While processing unaligned address accesses, the FR3() define is used to
extract the offset into the local floating-point register set. But the
calculation in FR3() was buggy, so that for example instead of %fr22,
register %fr12 [((22 * 2) & 0x1f) = 12] was used.
This bug has been since forever in the parisc kernel and I wonder why it
wasn't detected earlier. Interestingly I noticed this bug just because
the libime debian package failed to build on *native* hardware, while it
successfully built in qemu.
This patch corrects the bitshift and masking calculation in FR3().
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org>
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Add property for ERR006687 hardware workaround.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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In most cases this is related to fsl,err006687-workaround-present, which
requires a GPIO interrupt next a GIC interrupt.
This fixes the dtbs_check warning:
imx6dl-mba6a.dtb: ethernet@2188000: More than one condition true in oneOf schema:
{'$filename': 'Documentation/devicetree/bindings/net/fsl,fec.yaml',
[...]
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Pull s390 updates from Alexander Gordeev:
- Fix a KVM crash on z12 and older machines caused by a wrong
assumption that Query AP Configuration Information is always
available.
- Lower severity of excessive Hypervisor filesystem error messages
when booting under KVM.
* tag 's390-6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/ap: fix crash on older machines based on QCI info missing
s390/hypfs: avoid error message under KVM
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Pull powerpc fixes from Michael Ellerman:
- Fix atomic sleep warnings at boot due to get_phb_number() taking a
mutex with a spinlock held on some machines.
- Add missing PMU selftests to .gitignores.
Thanks to Guenter Roeck and Russell Currey.
* tag 'powerpc-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Add missing PMU selftests to .gitignores
powerpc/pci: Fix get_phb_number() locking
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Pull RISC-V fixes from Palmer Dabbelt:
- A fix to make the ISA extension static keys writable after init. This
manifests at least as a crash when loading modules (including KVM).
- A fixup for a build warning related to a poorly formed comment in our
perf driver.
* tag 'riscv-for-linus-6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
perf: riscv legacy: fix kerneldoc comment warning
riscv: Ensure isa-ext static keys are writable
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Pull kvm fixes from Paolo Bonzini:
"ARM:
- Fix unexpected sign extension of KVM_ARM_DEVICE_ID_MASK
- Tidy-up handling of AArch32 on asymmetric systems
x86:
- Fix 'missing ENDBR' BUG for fastop functions
Generic:
- Some cleanup and static analyzer patches
- More fixes to KVM_CREATE_VM unwind paths"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: Drop unnecessary initialization of "ops" in kvm_ioctl_create_device()
KVM: Drop unnecessary initialization of "npages" in hva_to_pfn_slow()
x86/kvm: Fix "missing ENDBR" BUG for fastop functions
x86/kvm: Simplify FOP_SETCC()
x86/ibt, objtool: Add IBT_NOSEAL()
KVM: Rename mmu_notifier_* to mmu_invalidate_*
KVM: Rename KVM_PRIVATE_MEM_SLOTS to KVM_INTERNAL_MEM_SLOTS
KVM: MIPS: remove unnecessary definition of KVM_PRIVATE_MEM_SLOTS
KVM: Move coalesced MMIO initialization (back) into kvm_create_vm()
KVM: Unconditionally get a ref to /dev/kvm module when creating a VM
KVM: Properly unwind VM creation if creating debugfs fails
KVM: arm64: Reject 32bit user PSTATE on asymmetric systems
KVM: arm64: Treat PMCR_EL1.LC as RES1 on asymmetric systems
KVM: arm64: Fix compile error due to sign extension
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Sparse complains about missing statics in the declarations of several
variables:
arch/riscv/kvm/vcpu_sbi_replace.c:38:37: warning: symbol 'vcpu_sbi_ext_time' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_replace.c:73:37: warning: symbol 'vcpu_sbi_ext_ipi' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_replace.c:126:37: warning: symbol 'vcpu_sbi_ext_rfence' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_replace.c:170:37: warning: symbol 'vcpu_sbi_ext_srst' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_base.c:69:37: warning: symbol 'vcpu_sbi_ext_base' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_base.c:90:37: warning: symbol 'vcpu_sbi_ext_experimental' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_base.c:96:37: warning: symbol 'vcpu_sbi_ext_vendor' was not declared. Should it be static?
arch/riscv/kvm/vcpu_sbi_hsm.c:115:37: warning: symbol 'vcpu_sbi_ext_hsm' was not declared. Should it be static?
These variables are however used in vcpu_sbi.c where they are declared
as extern. Move them to kvm_vcpu_sbi.h which is handily already
included by the three other files.
Fixes: a046c2d8578c ("RISC-V: KVM: Reorganize SBI code by moving SBI v0.1 to its own file")
Fixes: 5f862df5585c ("RISC-V: KVM: Add v0.1 replacement SBI extensions defined in v0.2")
Fixes: 3e1d86569c21 ("RISC-V: KVM: Add SBI HSM extension in KVM")
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
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In two places, csr is set but never used:
arch/riscv/kvm/vcpu_timer.c:302:23: warning: variable 'csr' set but not used [-Wunused-but-set-variable]
struct kvm_vcpu_csr *csr;
^
arch/riscv/kvm/vcpu_timer.c:327:23: warning: variable 'csr' set but not used [-Wunused-but-set-variable]
struct kvm_vcpu_csr *csr;
^
Remove the variable.
Fixes: 8f5cb44b1bae ("RISC-V: KVM: Support sstc extension")
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
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So that we can skip the functions in the perf lock contention and other
places like /proc/PID/wchan.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Waiman Long <longman@redhat.com>
Link: https://lore.kernel.org/r/20220810220346.1919485-1-namhyung@kernel.org
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According to the latest event list, the LOAD_LATENCY PEBS event only
works on the GP counter 0 and 1 for ADL and RPL.
Update the pebs event constraints table.
Fixes: f83d2f91d259 ("perf/x86/intel: Add Alder Lake Hybrid support")
Reported-by: Ammy Yi <ammy.yi@intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20220818184429.2355857-1-kan.liang@linux.intel.com
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With the existing code in store_latency_data(), the memory operation (mem_op)
returned to the user is always OP_LOAD where in fact, it should be OP_STORE.
This comes from the fact that the function is simply grabbing the information
from a data source map which covers only load accesses. Intel 12th gen CPU
offers precise store sampling that captures both the data source and latency.
Therefore it can use the data source mapping table but must override the
memory operation to reflect stores instead of loads.
Fixes: 61b985e3e775 ("perf/x86/intel: Add perf core PMU support for Sapphire Rapids")
Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220818054613.1548130-1-eranian@google.com
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Christophe Leroy
Christoph Niedermaier
Frieder Schrempf
Marcel Ziswiler
Marek Vasut
Tim Harvey
Philippe Schenker
Krzysztof Kozlowski
Philipp Zabel
Linus Torvalds
Nick Desaulniers
Kuldeep Singh
Vladimir Oltean
Lucas Stach
Marco Felsch
David Jander
Chen Zhongjin
Alexander Stein
Haibo Chen
Peng Fan
Helge Deller
Conor Dooley
Namhyung Kim
Kan Liang
Stephane Eranian