982030 Commits

Author SHA1 Message Date
Maxime Ripard
dcd80eaf74
dt-bindings: iio: adc: Add AXP803 compatible
The AXP803 compatible was introduced recently with a fallback to the
AXP813, but it was never documented.

Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20210114113538.1233933-2-maxime@cerno.tech
2021-01-18 10:13:15 +01:00
Maxime Ripard
e0ab5bf982
dt-bindings: sunxi: Fix the pinecube compatible
Commit 6ab48105aae7 ("ARM: dts: s3: pinecube: align compatible property
to other S3 boards") changed the pinecube compatible to make it similar
to the other S3 boards we have, but failed to update the bindings
documentation.

Fixes: 6ab48105aae7 ("ARM: dts: s3: pinecube: align compatible property to other S3 boards")
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20210114113538.1233933-1-maxime@cerno.tech
2021-01-18 10:13:15 +01:00
Paul Kocialkowski
b67b3c9b66 ARM: dts: sun8i-v3s: Add CSI0 MCLK pin definition
This adds a device-tree definition for the CSI0 MCLK pin,
which can be used for feeding MIPI CSI-2 sensors.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2021-01-18 11:34:53 +08:00
Samuel Holland
aaad900757 arm64: dts: allwinner: h6: Add RSB controller node
The H6 SoC contains an undocumented but fully functional RSB controller.
Add support for it. The MMIO register address matches other SoCs of the
same generation, and the IRQ matches a hole in the documented IRQ list.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
[wens@csie.org: Use raw numbers instead of macros for clock/reset index]
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
2021-01-18 10:45:35 +08:00
Andre Przywara
8837e845a2
arm64: dts: allwinner: Pine H64: Enable HS200 eMMC mode
The eMMC modules offered for the Pine64 boards are capable of the HS200
eMMC speed mode, when observing the frequency limit of 150 MHz.

Enable that in the DT.

This increases the interface speed from ~80 MB/s to ~120 MB/s.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-9-andre.przywara@arm.com
2021-01-14 12:50:46 +01:00
Andre Przywara
0d66e0b857
arm64: dts: allwinner: Pine64-LTS/SoPine: Enable HS200 eMMC mode
The eMMC modules offered for the Pine64 boards are capable of the HS200
eMMC speed mode, when observing the frequency limit of 150 MHz.

Enable that in the DT.

This increases the interface speed from ~80 MB/s to ~120 MB/s.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-8-andre.przywara@arm.com
2021-01-14 12:50:38 +01:00
Andre Przywara
948c657cc4
arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz
In contrast to the H6 (and later) manuals, the A64 datasheet does not
specify any limitations in the maximum possible frequency for eMMC
controllers.
However experimentation has found that a 150 MHz limit similar to other
SoCs and also the MMC0 and MMC1 controllers on the A64 seems to exist
for the MMC2 controller.

Limit the frequency for the MMC2 controller to 150 MHz in the SoC .dtsi.
The Pinebook seems to be the an odd exception, since it apparently seems
to work with 200 MHz as well, so overwrite this in its board .dts file.

Tested on a Pine64-LTS: 200 MHz HS-200 fails, 150 MHz HS-200 works.

Fixes: 22be992faea7 ("arm64: allwinner: a64: Increase the MMC max frequency")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-7-andre.przywara@arm.com
2021-01-14 12:50:22 +01:00
Andre Przywara
cfe6c487b9
arm64: dts: allwinner: H6: Allow up to 150 MHz MMC bus frequency
The H6 manual explicitly lists a frequency limit of 150 MHz for the bus
frequency of the MMC controllers. So far we had no explicit limits in the
DT, which limited eMMC to the spec defined frequencies, or whatever the
driver defines (both Linux and FreeBSD use 52 MHz here).

Put those maximum frequencies in the SoC .dtsi, to allow higher speed
modes (which still would need to be explicitly enabled, per board).

Tested with an eMMC using HS-200 on a Pine H64. Running at the spec'ed
200 MHz indeed fails with I/O errors, but 150 MHz seems to work stably.

Fixes: 8f54bd1595b3 ("arm64: allwinner: h6: add device tree nodes for MMC controllers")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-6-andre.przywara@arm.com
2021-01-14 12:50:10 +01:00
Andre Przywara
941432d007
arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card
The SD card on the SoPine SoM module is somewhat concealed, so was
originally defined as "non-removable".
However there is a working card-detect pin (tested on two different
SoM versions), and in certain SoM base boards it might be actually
accessible at runtime.
Also the Pine64-LTS shares the SoPine base .dtsi, so inherited the
non-removable flag, even though the SD card slot is perfectly accessible
and usable there. (It turns out that just *my* board has a broken card
detect switch, so I originally thought CD wouldn't work on the LTS.)

Drop the "non-removable" flag to describe the SD card slot properly.

Fixes: c3904a269891 ("arm64: allwinner: a64: add DTSI file for SoPine SoM")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-5-andre.przywara@arm.com
2021-01-14 12:49:56 +01:00
Andre Przywara
66a3cf5a25
arm64: dts: allwinner: Pine64-LTS: Add status LED
The Pine64-LTS board features a blue status LED on pin PL7.

Describe it in the DT.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Tested-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-4-andre.przywara@arm.com
2021-01-14 12:49:45 +01:00
Andre Przywara
da2fb8457f
arm64: dts: allwinner: H6: properly connect USB PHY to port 0
In recent Allwinner SoCs the first USB host controller (HCI0) shares
the first PHY with the MUSB controller. Probably to make this sharing
work, we were avoiding to declare this in the DT. This has two
shortcomings:
- U-Boot (which uses the same .dts) cannot use this port in host mode
  without a PHY linked, so we were loosing one USB port there.
- It requires the MUSB driver to be enabled and loaded, although we
  don't actually use it.

To avoid those issues, let's add this PHY link to the H6 .dtsi file.
After all PHY port 0 *is* connected to HCI0, so we should describe
it as this.

This makes it work in U-Boot, also improves compatiblity when no MUSB
driver is loaded (for instance in distribution installers).

Fixes: eabb3d424b6d ("arm64: dts: allwinner: h6: add USB2-related device nodes")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-3-andre.przywara@arm.com
2021-01-14 12:46:37 +01:00
Andre Przywara
cc72570747
arm64: dts: allwinner: A64: properly connect USB PHY to port 0
In recent Allwinner SoCs the first USB host controller (HCI0) shares
the first PHY with the MUSB controller. Probably to make this sharing
work, we were avoiding to declare this in the DT. This has two
shortcomings:
- U-Boot (which uses the same .dts) cannot use this port in host mode
  without a PHY linked, so we were loosing one USB port there.
- It requires the MUSB driver to be enabled and loaded, although we
  don't actually use it.

To avoid those issues, let's add this PHY link to the A64 .dtsi file.
After all PHY port 0 *is* connected to HCI0, so we should describe
it as this. Remove the part from the Pinebook DTS which already had
this property.

This makes it work in U-Boot, also improves compatiblity when no MUSB
driver is loaded (for instance in distribution installers).

Fixes: dc03a047df1d ("arm64: allwinner: a64: add EHCI0/OHCI0 nodes to A64 DTSI")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113152630.28810-2-andre.przywara@arm.com
2021-01-14 12:46:32 +01:00
Jernej Skrabec
53441b8ef7
arm64: dts: allwinner: h6: PineH64 model B: Add bluetooth
PineH64 model B has wifi+bt combo module. Wifi is already supported, so
lets add also bluetooth node.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210110211606.3733056-1-jernej.skrabec@siol.net
2021-01-13 09:57:16 +01:00
Samuel Holland
0b26926a96
arm64: dts: allwinner: pinephone: Support volume key wakeup
PinePhone volume keys are connected to the LRADC in the A64. Users may
want to use them to wake the device from sleep. Support this by
declaring the LRADC as a wakeup source.

Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210113040542.34247-4-samuel@sholland.org
2021-01-13 09:28:56 +01:00
Sergio Sota
7f230c86de
ARM: dts: sun5i: add A10s/A13 mali gpu support fallback
The A10s/A13 mali gpu was not defined in device tree
Add A10 mali gpu as a fallback for A10s/A13
Tested with Olimex-A13-SOM / Olimex-A13-OlinuXino-MICRO
"kmscube" 3d cube on screen (60fps / 10%cpu)
Versions: Lima:1.1.0 EGL:1.4 OpenGLES:2.0 Mesa:20.2.2

Signed-off-by: Sergio Sota <sergiosota@fanamoel.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210108103819.322901-1-sergiosota@fanamoel.com
2021-01-13 09:18:56 +01:00
Jernej Skrabec
086b4f7afd
arm64: dts: allwinner: h5: Add deinterlace node
Deinterlace core is completely compatible to H3.

Add a node for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210106182523.1325796-1-jernej.skrabec@siol.net
2021-01-07 10:39:45 +01:00
Jernej Skrabec
62de535663
ARM: dts: sun8i: r40: Add deinterlace node
R40 contains deinterlace core compatible to that in H3. One peculiarity
is that RAM gate is shared with CSI1. User manual states it's separate
but that's not true. Shared gate was verified with BSP Linux code check
and with runtime tests (CPU crashed if CSI1 gate was not ungated).

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210106181901.1324075-3-jernej.skrabec@siol.net
2021-01-07 10:39:37 +01:00
Jernej Skrabec
3069a84fd6
dt-bindings: media: Add Allwinner R40 deinterlace compatible
Allwinner R40 SoC also contains deinterlace core, compatible to H3.

Add compatible string for it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210106181901.1324075-2-jernej.skrabec@siol.net
2021-01-07 10:39:34 +01:00
Dylan Van Assche
536f74a892
arm64: allwinner: dts: pinephone: add 'pine64, pinephone' to the compatible list
All revisions of the PinePhone share most of the hardware.
This patch makes it easier to detect PinePhone hardware without
having to check for each possible revision.

Signed-off-by: Dylan Van Assche <me@dylanvanassche.be>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201230104205.5592-1-me@dylanvanassche.be
2021-01-06 17:49:59 +01:00
Icenowy Zheng
bdb574e592
dt-bindings: arm: sunxi: document orig PineTab DT as sample
As the original PineTab DT (which uses sun50i-a64-pinetab name) is only
for development samples, document this.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201224024138.19422-1-icenowy@aosc.io
2021-01-06 17:49:59 +01:00
Icenowy Zheng
7fa40ca7ef
arm64: allwinner: dts: a64: add DT for Early Adopter's PineTab
PineTabs since Early Adopter batch will use a new LCD panel.

Add device tree for PineTab with the new panel.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201224024001.19248-2-icenowy@aosc.io
2021-01-06 17:49:58 +01:00
Icenowy Zheng
3c3f87d711
dt-bindings: arm: sunxi: add PineTab Early Adopter edition
Early adopter's PineTabs (and further releases) will have a new LCD
panel different with the one that is used when in development (because
the old panel's supply discontinued).

Add a new DT compatible for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201224024001.19248-1-icenowy@aosc.io
2021-01-06 17:49:58 +01:00
Michael Klein
8315c99cc7
ARM: dts: sun8i-h2-plus-bananapi-m2-zero: add poweroff node
Add add devicetree information for the regulator-poweroff driver.

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201211151445.115943-4-michael@fossekall.de
2021-01-06 17:49:58 +01:00
Paul Kocialkowski
8f39fab53a
ARM: dts: sun8i-v3: Add support for the SL631 Action Camera with IMX179
The SL631 is a family of Allwinner V3 action cameras sold under
various names, such as SJCAM SJ4000 Air or F60 Action Camera.

Devices in this family share a common board design but can be found
with different image sensors, including the IMX179 and the OV4689.

This adds support for a common dtsi for the SL631 family as well as
a specific dts for the IMX179 fashion, which will later be populated
with an IMX179 node when a driver is available.

Features that were tested on the device include:
- UART debug
- MMC
- USB peripheral (e.g. g_ether)
- Buttons
- SPI NOR flash

Note that the exact designer/vendor of these boards is unknown.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201206165131.1041983-6-contact@paulk.fr
2021-01-06 17:49:58 +01:00
Paul Kocialkowski
46ad18e7d0
dt-bindings: arm: sunxi: Add SL631 with IMX179 bindings
This adds documentation for the compatible strings of the
SL631 Action Camera with IMX179.

Note that the device is sold under various different names, such as the
SJCAM SJ4000 Air or F60 Action Camera. This is a similar situation to
the Q8 tablets and just like them, the allwinner vendor is used as
fallback.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201206165131.1041983-5-contact@paulk.fr
2021-01-06 17:49:58 +01:00
Paul Kocialkowski
8c361a10d5
ARM: dts: sun8i: Cleanup the Pinecube AXP209 node
This fixes a few things with the Pinecube AXP209 node:
- No compatible is required since it is using an AXP209 (not AXP203)
  according to the schematics and this is what the included axp209.dtsi
  already has;
- The interrupt-controller and #interrupt-cells properties are already
  described in the included axp209.dtsi;
- The interrupt comes through the NMI controller, not directly through
  the GIC.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201206165131.1041983-4-contact@paulk.fr
2021-01-06 17:49:58 +01:00
Paul Kocialkowski
c20e9e7675
ARM: dts: sun8i-v3s: Add the V3s NMI IRQ controller
The V3s/V3 has a NMI interrupt controller, mainly used for the AXP209.
Its address follows the system controller block, which was previously
incorrectly described as spanning over 0x1000 address bytes.
Even though this is what the Allwinner documentation indicates,
precedence from other SoCs such as the R40 suggests that this is not
actually the case.

This reduces the system controller address span up to the NMI
controller and adds a node for the controller, with its dedicated
compatible.

While the interrupt number was found in Allwinner's documentation,
the address for the controller is specified in any Allwinner SDK
supporting sun8iw8 (V3/V3s) at:
drivers/power/axp_power/axp20/axp20-board.c

It was tested to work on a V3 board with an AXP209 connected to the
NMI interrupt line.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201206165131.1041983-3-contact@paulk.fr
2021-01-06 17:49:58 +01:00
Paul Kocialkowski
752b0aac99
dt-bindings: irq: sun7i-nmi: Add binding documentation for the V3s NMI
The V3s NMI controller seems register-compatible with the A80 (sun9i).
Add new items for the compatible string, with an entry specific to the V3s
and the A80 entry.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201206165131.1041983-2-contact@paulk.fr
2021-01-06 17:49:57 +01:00
Michael Klein
397546ac9c
ARM: dts: sun6i-a31s-sinovoip-bpi-m2: add gpio-line-names
Add gpio-line-names as documented on gitbooks [1] and in the
schematics [2].

[1]: https://bananapi.gitbook.io/bpi-m2/en/bpi-m2_gpio_pin_define
[2]: https://drive.google.com/file/d/0B4PAo2nW2KfnRERWNnJGSGxJbmM/view

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201202195144.2105036-1-michael@fossekall.de
2021-01-04 14:52:21 +01:00
Michael Klein
23e85be1ec ARM: dts: sun8i-h2-plus-bananapi-m2-zero: add regulator nodes vcc-dram and vcc1v2
Add regulator nodes vcc-dram and vcc1v2 to the devicetree. These
regulators correspond to U4 and U5 in the schematics:

http://forum.banana-pi.org/t/bpi-m2-zero-schematic-diagram-public/4111

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20201130183841.136708-1-michael@fossekall.de
2020-12-28 10:56:30 +08:00
Linus Torvalds
5c8fe583cc Linux 5.11-rc1 v5.11-rc1 2020-12-27 15:30:22 -08:00
Linus Torvalds
14e3e989f6 proc mountinfo: make splice available again
Since commit 36e2c7421f02 ("fs: don't allow splice read/write without
explicit ops") we've required that file operation structures explicitly
enable splice support, rather than falling back to the default handlers.

Most /proc files use the indirect 'struct proc_ops' to describe their
file operations, and were fixed up to support splice earlier in commits
40be821d627c..b24c30c67863, but the mountinfo files interact with the
VFS directly using their own 'struct file_operations' and got missed as
a result.

This adds the necessary support for splice to work for /proc/*/mountinfo
and friends.

Reported-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Reported-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209971
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-27 12:00:36 -08:00
Linus Torvalds
52cd5f9c22 Big fix for IDT NTB and Intel NTB LTR management support
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Merge tag 'ntb-5.11' of git://github.com/jonmason/ntb

Pull NTB fixes from Jon Mason:
 "Bug fix for IDT NTB and Intel NTB LTR management support"

* tag 'ntb-5.11' of git://github.com/jonmason/ntb:
  ntb: intel: add Intel NTB LTR vendor support for gen4 NTB
  ntb: idt: fix error check in ntb_hw_idt.c
2020-12-27 09:22:55 -08:00
Linus Torvalds
33c148a4ae Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "Fix a number of autobuild failures due to missing Kconfig
  dependencies"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: qat - add CRYPTO_AES to Kconfig dependencies
  crypto: keembay - Add dependency on HAS_IOMEM
  crypto: keembay - CRYPTO_DEV_KEEMBAY_OCS_AES_SM4 should depend on ARCH_KEEMBAY
2020-12-27 09:14:32 -08:00
Linus Torvalds
cce622ab92 Fix a segfault that occurs when built with Clang.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull objtool fix from Ingo Molnar:
 "Fix a segfault that occurs when built with Clang"

* tag 'objtool-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Fix seg fault with Clang non-section symbols
2020-12-27 09:08:23 -08:00
Linus Torvalds
6be5f58215 Misc fixes/updates:
- Fix static keys usage in module __init sections
 - Add separate MAINTAINERS entry for static branches/calls
 - Fix lockdep splat with CONFIG_PREEMPTIRQ_EVENTS=y tracing
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'locking-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull locking fixes from Ingo Molnar:
 "Misc fixes/updates:

   - Fix static keys usage in module __init sections

   - Add separate MAINTAINERS entry for static branches/calls

   - Fix lockdep splat with CONFIG_PREEMPTIRQ_EVENTS=y tracing"

* tag 'locking-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  softirq: Avoid bad tracing / lockdep interaction
  jump_label/static_call: Add MAINTAINERS
  jump_label: Fix usage in module __init
2020-12-27 09:06:10 -08:00
Linus Torvalds
2eeefc60ad Update/fix two CPU sanity checks in the hotplug and the boot code,
and fix a typo in the Kconfig help text.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fixes from Ingo Molnar:
 "Update/fix two CPU sanity checks in the hotplug and the boot code, and
  fix a typo in the Kconfig help text.

  [ Context: the first two commits are the result of an ongoing
    annotation+review work of (intentional) tick_do_timer_cpu() data
    races reported by KCSAN, but the annotations aren't fully cooked
    yet ]"

* tag 'timers-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timekeeping: Fix spelling mistake in Kconfig "fullfill" -> "fulfill"
  tick/sched: Remove bogus boot "safety" check
  tick: Remove pointless cpu valid check in hotplug code
2020-12-27 09:03:41 -08:00
Linus Torvalds
3b80dee70e Fix a context switch performance regression.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fix from Ingo Molnar:
 "Fix a context switch performance regression"

* tag 'sched-urgent-2020-12-27' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Optimize finish_lock_switch()
2020-12-27 09:00:47 -08:00
Linus Torvalds
f838f8d2b6 mfd: ab8500-debugfs: Remove extraneous seq_putc
Commit c9a3c4e637ac ("mfd: ab8500-debugfs: Remove extraneous curly
brace") removed a left-over curly brace that caused build failures, but
Joe Perches points out that the subsequent 'seq_putc()' should also be
removed, because the commit that caused all these problems already added
the final '\n' to the seq_printf() above it.

Reported-by: Joe Perches <joe@perches.com>
Fixes: 886c8121659d ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc")
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-26 09:19:49 -08:00
Linus Torvalds
40f78232f9 pci-v5.11-fixes-1
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Merge tag 'pci-v5.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - Fix a tegra enumeration regression (Rob Herring)

 - Fix a designware-host check that warned on *success*, not failure
   (Alexander Lobakin)

* tag 'pci-v5.11-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: dwc: Fix inverted condition of DMA mask setup warning
  PCI: tegra: Fix host link initialization
2020-12-25 20:17:40 -08:00
Nathan Chancellor
c9a3c4e637 mfd: ab8500-debugfs: Remove extraneous curly brace
Clang errors:

  drivers/mfd/ab8500-debugfs.c:1526:2: error: non-void function does not return a value [-Werror,-Wreturn-type]
          }
          ^
  drivers/mfd/ab8500-debugfs.c:1528:2: error: expected identifier or '('
  return 0;
          ^
  drivers/mfd/ab8500-debugfs.c:1529:1: error: extraneous closing brace ('}')
  }
  ^
  3 errors generated.

The cleanup in ab8500_interrupts_show left a curly brace around, remove
it to fix the error.

Fixes: 886c8121659d ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc")
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25 19:59:02 -08:00
Alexander Lobakin
99e629f14b PCI: dwc: Fix inverted condition of DMA mask setup warning
Commit 660c486590aa ("PCI: dwc: Set 32-bit DMA mask for MSI target address
allocation") added dma_mask_set() call to explicitly set 32-bit DMA mask
for MSI message mapping, but for now it throws a warning on ret == 0, while
dma_set_mask() returns 0 in case of success.

Fix this by inverting the condition.

[bhelgaas: join string to make it greppable]
Fixes: 660c486590aa ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation")
Link: https://lore.kernel.org/r/20201222150708.67983-1-alobakin@pm.me
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-12-25 21:58:42 -06:00
Rob Herring
275e88b06a PCI: tegra: Fix host link initialization
Commit b9ac0f9dc8ea ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common
code") broke enumeration of downstream devices on Tegra:

In non-working case (next-20201211):

  0001:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad2 (rev a1)
  0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13)
  0005:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad0 (rev a1)

In working case (v5.10-rc7):

  0001:00:00.0 PCI bridge: Molex Incorporated Device 1ad2 (rev a1)
  0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13)
  0005:00:00.0 PCI bridge: Molex Incorporated Device 1ad0 (rev a1)
  0005:01:00.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab)
  0005:02:02.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab)
  0005:03:00.0 USB controller: PLX Technology, Inc. Device 3380 (rev ab)

The problem seems to be dw_pcie_setup_rc() is now called twice before and
after the link up handling. The fix is to move Tegra's link up handling to
.start_link() function like other DWC drivers. Tegra is a bit more
complicated than others as it re-inits the whole DWC controller to retry
the link. With this, the initialization ordering is restored to match the
prior sequence.

Fixes: b9ac0f9dc8ea ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code")
Link: https://lore.kernel.org/r/20201218143905.1614098-1-robh@kernel.org
Reported-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Tested-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: Vidya Sagar <vidyas@nvidia.com>
2020-12-25 21:58:36 -06:00
Linus Torvalds
61d791365b drm/amd/display: avoid uninitialized variable warning
clang (quite rightly) complains fairly loudly about the newly added
mpc1_get_mpc_out_mux() function returning an uninitialized value if the
'opp_id' checks don't pass.

This may not happen in practice, but the code really shouldn't return
garbage if the sanity checks don't pass.

So just initialize 'val' to zero to avoid the issue.

Fixes: 110b055b2827 ("drm/amd/display: add getter routine to retrieve mpcc mux")
Cc: Josip Pavic <Josip.Pavic@amd.com>
Cc: Bindu Ramamurthy <bindu.r@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25 15:41:13 -08:00
Linus Torvalds
5814bc2d4c perf tools changes for v5.11, 2nd batch:
- Refactor 'perf stat' per CPU/socket/die/thread aggregation fixing use
   cases in ARM machines.
 
 - Fix memory leak when synthesizing SDT probes in 'perf probe'.
 
 - Update kernel header copies related to KVM, epol_pwait. msr-index and
   powerpc and s390 syscall tables.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 
 Test results:
 
 The first ones are container based builds of tools/perf with and without libelf
 support.  Where clang is available, it is also used to build perf with/without
 libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
 when clang and its devel libraries are installed.
 
 The objtool and samples/bpf/ builds are disabled now that I'm switching from
 using the sources in a local volume to fetching them from a http server to
 build it inside the container, to make it easier to build in a container cluster.
 Those will come back later.
 
 Several are cross builds, the ones with -x-ARCH and the android one, and those
 may not have all the features built, due to lack of multi-arch devel packages,
 available and being used so far on just a few, like
 debian:experimental-x-{arm64,mipsel}.
 
 The 'perf test' one will perform a variety of tests exercising
 tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
 with a variety of command line event specifications to then intercept the
 sys_perf_event syscall to check that the perf_event_attr fields are set up as
 expected, among a variety of other unit tests.
 
 Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
 with a variety of feature sets, exercising the build with an incomplete set of
 features as well as with a complete one. It is planned to have it run on each
 of the containers mentioned above, using some container orchestration
 infrastructure. Get in contact if interested in helping having this in place.
 
   $ grep "model name" -m1 /proc/cpuinfo
   model name: AMD Ryzen 9 3900X 12-Core Processor
   $ export PERF_TARBALL=http://192.168.86.5/perf/perf-5.10.0.tar.xz
   $ time dm
    1    93.01 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
    2    91.44 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
    3    71.37 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
    4    77.85 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
    5    82.02 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
    6    79.45 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
    7   100.21 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
    8   109.75 alpine:3.11                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
    9   104.64 alpine:3.12                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
   10   111.43 alpine:edge                   : Ok   gcc (Alpine 10.2.0) 10.2.0, Alpine clang version 10.0.1
   11    63.21 alt:p8                        : Ok   x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
   12    79.47 alt:p9                        : Ok   x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 10.0.0
   13    78.22 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc (GCC) 9.3.1 20200518 (ALT Sisyphus 9.3.1-alt1), clang version 10.0.1
   14    60.05 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
   15    94.07 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-12), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
   16    20.29 android-ndk:r12b-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   17    20.93 android-ndk:r15c-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   18    24.38 centos:6                      : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
   19    29.82 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
   20    88.47 centos:8                      : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 10.0.1 (Red Hat 10.0.1-1.module_el8.3.0+467+cb298d5b)
   21    59.02 clearlinux:latest             : Ok   gcc (Clear Linux OS for Intel Architecture) 10.2.1 20201217 releases/gcc-10.2.0-643-g7cbb07d2fc, clang version 10.0.1
   22    72.73 debian:8                      : Ok   gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
   23    70.97 debian:9                      : Ok   gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
   24    70.08 debian:10                     : Ok   gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
   25    84.72 debian:experimental           : Ok   gcc (Debian 10.2.0-17) 10.2.0, Debian clang version 11.0.0-5
   26    28.29 debian:experimental-x-mips64  : Ok   mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
   27    28.93 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
   28    28.44 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
   29    64.12 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
   30    74.82 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
   31    24.64 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
   32    76.64 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
   33    88.97 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
   34    89.99 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
   35    98.90 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
   36   103.78 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
   37   107.56 fedora:30                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
   38    24.13 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
   39   105.80 fedora:31                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-4.fc31)
   40    89.56 fedora:32                     : Ok   gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6), clang version 10.0.1 (Fedora 10.0.1-3.fc32)
   41    87.98 fedora:33                     : Ok   gcc (GCC) 10.2.1 20201005 (Red Hat 10.2.1-5), clang version 11.0.0 (Fedora 11.0.0-1.fc33)
   42    89.55 fedora:rawhide                : Ok   gcc (GCC) 11.0.0 20201216 (Red Hat 11.0.0-0), clang version 11.0.1 (Fedora 11.0.1-2.rc1.fc34)
   43    33.40 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.3.0-r1 p3) 9.3.0
   44    64.08 mageia:5                      : Ok   gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
   45    78.93 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
   46    94.99 manjaro:latest                : Ok   gcc (GCC) 10.2.0, clang version 10.0.1
   47   213.77 openmandriva:cooker           : Ok   gcc (GCC) 10.2.0 20200723 (OpenMandriva), OpenMandriva 11.0.0-1 clang version 11.0.0 (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang 63e22714ac938c6b537bd958f70680d3331a2030)
   48   112.96 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407], clang version 5.0.1 (tags/RELEASE_501/final 312548)
   49   118.55 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
   50   110.15 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 9.0.1
   51   103.45 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
   52   103.39 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 10.2.1 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c], clang version 10.0.1
   53    25.07 oraclelinux:6                 : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
   54    30.23 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44.0.3)
   55   105.95 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
   56    25.87 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
   57    28.69 ubuntu:14.04                  : Ok   gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
   58    72.96 ubuntu:16.04                  : Ok   gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
   59    24.81 ubuntu:16.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   60    25.59 ubuntu:16.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   61    25.00 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   62    24.95 ubuntu:16.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   63    25.65 ubuntu:16.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   64    24.15 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   65    85.52 ubuntu:18.04                  : Ok   gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   66    26.58 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   67    26.53 ubuntu:18.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   68    21.72 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   69    25.98 ubuntu:18.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   70    27.59 ubuntu:18.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   71    28.30 ubuntu:18.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   72   162.30 ubuntu:18.04-x-riscv64        : Ok   riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   73    23.53 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   74    26.32 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   75    23.70 ubuntu:18.04-x-sparc64        : Ok   sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   76    67.90 ubuntu:19.10                  : Ok   gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
   77    26.49 ubuntu:19.10-x-alpha          : Ok   alpha-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   78    24.18 ubuntu:19.10-x-hppa           : Ok   hppa-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   79    73.64 ubuntu:20.04                  : Ok   gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, clang version 10.0.0-4ubuntu1
   80    29.04 ubuntu:20.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
   81    70.64 ubuntu:20.10                  : Ok   gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, Ubuntu clang version 11.0.0-2
   $
 
   # uname -a
   Linux quaco 5.9.11-100.fc32.x86_64 #1 SMP Tue Nov 24 19:16:53 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
   # git log --oneline -1
   5149303fdfe5 perf probe: Fix memory leak when synthesizing SDT probes
   # perf version --build-options
   perf version 5.10.g5149303fdfe5
                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                      aio: [ on  ]  # HAVE_AIO_SUPPORT
                     zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
                  libpfm4: [ OFF ]  # HAVE_LIBPFM
   # perf test
    1: vmlinux symtab matches kallsyms                                 : Ok
    2: Detect openat syscall event                                     : Ok
    3: Detect openat syscall event on all cpus                         : Ok
    4: Read samples using the mmap interface                           : Ok
    5: Test data source output                                         : Ok
    6: Parse event definition strings                                  : Ok
    7: Simple expression parser                                        : Ok
    8: PERF_RECORD_* events & perf_sample fields                       : Ok
    9: Parse perf pmu format                                           : Ok
   10: PMU events                                                      :
   10.1: PMU event table sanity                                        : Ok
   10.2: PMU event map aliases                                         : Ok
   10.3: Parsing of PMU event table metrics                            : Ok
   10.4: Parsing of PMU event table metrics with fake PMUs             : Ok
   11: DSO data read                                                   : Ok
   12: DSO data cache                                                  : Ok
   13: DSO data reopen                                                 : Ok
   14: Roundtrip evsel->name                                           : Ok
   15: Parse sched tracepoints fields                                  : Ok
   16: syscalls:sys_enter_openat event fields                          : Ok
   17: Setup struct perf_event_attr                                    : Ok
   18: Match and link multiple hists                                   : Ok
   19: 'import perf' in python                                         : Ok
   20: Breakpoint overflow signal handler                              : Ok
   21: Breakpoint overflow sampling                                    : Ok
   22: Breakpoint accounting                                           : Ok
   23: Watchpoint                                                      :
   23.1: Read Only Watchpoint                                          : Skip (missing hardware support)
   23.2: Write Only Watchpoint                                         : Ok
   23.3: Read / Write Watchpoint                                       : Ok
   23.4: Modify Watchpoint                                             : Ok
   24: Number of exit events of a simple workload                      : Ok
   25: Software clock events period values                             : Ok
   26: Object code reading                                             : Ok
   27: Sample parsing                                                  : Ok
   28: Use a dummy software event to keep tracking                     : Ok
   29: Parse with no sample_id_all bit set                             : Ok
   30: Filter hist entries                                             : Ok
   31: Lookup mmap thread                                              : Ok
   32: Share thread maps                                               : Ok
   33: Sort output of hist entries                                     : Ok
   34: Cumulate child hist entries                                     : Ok
   35: Track with sched_switch                                         : Ok
   36: Filter fds with revents mask in a fdarray                       : Ok
   37: Add fd to a fdarray, making it autogrow                         : Ok
   38: kmod_path__parse                                                : Ok
   39: Thread map                                                      : Ok
   40: LLVM search and compile                                         :
   40.1: Basic BPF llvm compile                                        : Ok
   40.2: kbuild searching                                              : Ok
   40.3: Compile source for BPF prologue generation                    : Ok
   40.4: Compile source for BPF relocation                             : Ok
   41: Session topology                                                : Ok
   42: BPF filter                                                      :
   42.1: Basic BPF filtering                                           : Ok
   42.2: BPF pinning                                                   : Ok
   42.3: BPF prologue generation                                       : Ok
   42.4: BPF relocation checker                                        : Ok
   43: Synthesize thread map                                           : Ok
   44: Remove thread map                                               : Ok
   45: Synthesize cpu map                                              : Ok
   46: Synthesize stat config                                          : Ok
   47: Synthesize stat                                                 : Ok
   48: Synthesize stat round                                           : Ok
   49: Synthesize attr update                                          : Ok
   50: Event times                                                     : Ok
   51: Read backward ring buffer                                       : Ok
   52: Print cpu map                                                   : Ok
   53: Merge cpu map                                                   : Ok
   54: Probe SDT events                                                : Ok
   55: is_printable_array                                              : Ok
   56: Print bitmap                                                    : Ok
   57: perf hooks                                                      : Ok
   58: builtin clang support                                           : Skip (not compiled in)
   59: unit_number__scnprintf                                          : Ok
   60: mem2node                                                        : Ok
   61: time utils                                                      : Ok
   62: Test jit_write_elf                                              : Ok
   63: Test libpfm4 support                                            : Skip (not compiled in)
   64: Test api io                                                     : Ok
   65: maps__merge_in                                                  : Ok
   66: Demangle Java                                                   : Ok
   67: Parse and process metrics                                       : Ok
   68: PE file support                                                 : Ok
   69: Event expansion for cgroups                                     : Ok
   70: Convert perf time to TSC                                        : Ok
   71: x86 rdpmc                                                       : Ok
   72: DWARF unwind                                                    : Ok
   73: x86 instruction decoder - new instructions                      : Ok
   74: Intel PT packet decoder                                         : Ok
   75: x86 bp modify                                                   : Ok
   76: probe libc's inet_pton & backtrace it with ping                 : Ok
   77: Use vfs_getname probe to get syscall args filenames             : Ok
   78: Check Arm CoreSight trace data recording and synthesized samples: Skip
   79: perf stat metrics (shadow stat) test                            : Ok
   80: build id cache operations                                       : Ok
   81: Add vfs_getname probe to get syscall args filenames             : Ok
   82: Check open filename arg using perf trace + vfs_getname          : Ok
   83: Zstd perf.data compression/decompression                        : Ok
   #
 
   $ make -C tools/perf build-test
   make: Entering directory '/home/acme/git/perf/tools/perf'
   - tarpkg: ./tests/perf-targz-src-pkg .
         make_with_babeltrace_O: make LIBBABELTRACE=1
               make_with_gtk2_O: make GTK2=1
                 make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
            make_no_libpython_O: make NO_LIBPYTHON=1
               make_no_libbpf_O: make NO_LIBBPF=1
        make_util_pmu_bison_o_O: make util/pmu-bison.o
              make_no_libnuma_O: make NO_LIBNUMA=1
                    make_help_O: make help
             make_no_auxtrace_O: make NO_AUXTRACE=1
            make_with_libpfm4_O: make LIBPFM4=1
               make_clean_all_O: make clean all
                    make_pure_O: make
          make_install_prefix_O: make install prefix=/tmp/krava
         make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
                 make_no_newt_O: make NO_NEWT=1
   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
               make_no_libelf_O: make NO_LIBELF=1
          make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
              make_util_map_o_O: make util/map.o
             make_no_demangle_O: make NO_DEMANGLE=1
            make_no_libunwind_O: make NO_LIBUNWIND=1
                  make_perf_o_O: make perf.o
                     make_doc_O: make doc
            make_no_libbionic_O: make NO_LIBBIONIC=1
                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
                 make_no_gtk2_O: make NO_GTK2=1
              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
                make_no_slang_O: make NO_SLANG=1
             make_no_libaudit_O: make NO_LIBAUDIT=1
             make_install_bin_O: make install-bin
                  make_no_sdt_O: make NO_SDT=1
              make_no_libperl_O: make NO_LIBPERL=1
                 make_install_O: make install
                    make_tags_O: make tags
            make_no_libcrypto_O: make NO_LIBCRYPTO=1
    make_install_prefix_slash_O: make install prefix=/tmp/krava/
            make_no_backtrace_O: make NO_BACKTRACE=1
                   make_debug_O: make DEBUG=1
                  make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
          make_with_clangllvm_O: make LIBCLANGLLVM=1
   OK
   make: Leaving directory '/home/acme/git/perf/tools/perf'
   $
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Merge tag 'perf-tools-2020-12-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull more perf tools updates from Arnaldo Carvalho de Melo:

 - Refactor 'perf stat' per CPU/socket/die/thread aggregation fixing use
   cases in ARM machines.

 - Fix memory leak when synthesizing SDT probes in 'perf probe'.

 - Update kernel header copies related to KVM, epol_pwait. msr-index and
   powerpc and s390 syscall tables.

* tag 'perf-tools-2020-12-24' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (24 commits)
  perf probe: Fix memory leak when synthesizing SDT probes
  perf stat aggregation: Add separate thread member
  perf stat aggregation: Add separate core member
  perf stat aggregation: Add separate die member
  perf stat aggregation: Add separate socket member
  perf stat aggregation: Add separate node member
  perf stat aggregation: Start using cpu_aggr_id in map
  perf cpumap: Drop in cpu_aggr_map struct
  perf cpumap: Add new map type for aggregation
  perf stat: Replace aggregation ID with a struct
  perf cpumap: Add new struct for cpu aggregation
  perf cpumap: Use existing allocator to avoid using malloc
  perf tests: Improve topology test to check all aggregation types
  perf tools: Update s390's syscall.tbl copy from the kernel sources
  perf tools: Update powerpc's syscall.tbl copy from the kernel sources
  perf s390: Move syscall.tbl check into check-headers.sh
  perf powerpc: Move syscall.tbl check to check-headers.sh
  tools headers UAPI: Synch KVM's svm.h header with the kernel
  tools kvm headers: Update KVM headers from the kernel sources
  tools headers UAPI: Sync KVM's vmx.h header with the kernel sources
  ...
2020-12-25 11:07:34 -08:00
Linus Torvalds
42dc45e844 Merge branch 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux
Pull coccinelle updates from Julia Lawall.

* 'for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
  scripts: coccicheck: Correct usage of make coccicheck
  coccinelle: update expiring email addresses
  coccinnelle: Remove ptr_ret script
  kbuild: do not use scripts/ld-version.sh for checking spatch version
  remove boolinit.cocci
2020-12-25 11:05:32 -08:00
Michael Ellerman
11cc92eb74 genirq: Fix export of irq_to_desc() for powerpc KVM
Commit 64a1b95bb9fe ("genirq: Restrict export of irq_to_desc()") removed
the export of irq_to_desc() unless powerpc KVM is being built, because
there is still a use of irq_to_desc() in modular code there.

However it used:

  #ifdef CONFIG_KVM_BOOK3S_64_HV

Which doesn't work when that symbol is =m, leading to a build failure:

  ERROR: modpost: "irq_to_desc" [arch/powerpc/kvm/kvm-hv.ko] undefined!

Fix it by checking for the definedness of the correct symbol which is
CONFIG_KVM_BOOK3S_64_HV_MODULE.

Fixes: 64a1b95bb9fe ("genirq: Restrict export of irq_to_desc()")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25 11:02:39 -08:00
Linus Torvalds
7bb5226c8a Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro:
 "Assorted patches from previous cycle(s)..."

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix hostfs_open() use of ->f_path.dentry
  Make sure that make_create_in_sticky() never sees uninitialized value of dir_mode
  fs: Kill DCACHE_DONTCACHE dentry even if DCACHE_REFERENCED is set
  fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode()
  fs/namespace.c: WARN if mnt_count has become negative
2020-12-25 10:54:29 -08:00
Linus Torvalds
71c5f03154 A small set of late-arriving, small documentation fixes.
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Merge tag 'docs-5.11-2' of git://git.lwn.net/linux

Pull documentation fixes from Jonathan Corbet:
 "A small set of late-arriving, small documentation fixes"

* tag 'docs-5.11-2' of git://git.lwn.net/linux:
  docs: admin-guide: Fix default value of max_map_count in sysctl/vm.rst
  Documentation/submitting-patches: Document the SoB chain
  Documentation: process: Correct numbering
  docs: submitting-patches: Trivial - fix grammatical error
2020-12-24 14:20:33 -08:00
Linus Torvalds
555a6e8c11 Various bug fixes and cleanups for ext4; no new features this cycle.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Various bug fixes and cleanups for ext4; no new features this cycle"

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (29 commits)
  ext4: remove unnecessary wbc parameter from ext4_bio_write_page
  ext4: avoid s_mb_prefetch to be zero in individual scenarios
  ext4: defer saving error info from atomic context
  ext4: simplify ext4 error translation
  ext4: move functions in super.c
  ext4: make ext4_abort() use __ext4_error()
  ext4: standardize error message in ext4_protect_reserved_inode()
  ext4: remove redundant sb checksum recomputation
  ext4: don't remount read-only with errors=continue on reboot
  ext4: fix deadlock with fs freezing and EA inodes
  jbd2: add a helper to find out number of fast commit blocks
  ext4: make fast_commit.h byte identical with e2fsprogs/fast_commit.h
  ext4: fix fall-through warnings for Clang
  ext4: add docs about fast commit idempotence
  ext4: remove the unused EXT4_CURRENT_REV macro
  ext4: fix an IS_ERR() vs NULL check
  ext4: check for invalid block size early when mounting a file system
  ext4: fix a memory leak of ext4_free_data
  ext4: delete nonsensical (commented-out) code inside ext4_xattr_block_set()
  ext4: update ext4_data_block_valid related comments
  ...
2020-12-24 14:16:02 -08:00