Commit Graph

1199807 Commits

Author SHA1 Message Date
Fabio Estevam
99e5d6d274 arm64: dts: imx8mm-evk: Add camera support
Add support for the OV5640 camera.

Tested with the following commands:

media-ctl -l "'ov5640 2-003c':0 -> 'csis-32e30000.mipi-csi':0 [1]"
media-ctl -V "'ov5640 2-003c':0 [fmt:UYVY8_1X16/640x480 field:none]"
media-ctl -V "'csis-32e30000.mipi-csi':0 [fmt:UYVY8_1X16/640x480 field:none]"
media-ctl -V "'csi':0 [fmt:UYVY8_1X16/640x480 field:none]";
v4l2-ctl --stream-mmap -d /dev/video0

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 14:49:12 +08:00
Frank Li
bce0734548 arm64: dts: imx8qm-mek: delete A72 thermal zone
The A72 nodes have been deleted in this DTB. Removes the corresponding
thermal zone to ensure a successful build.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 14:34:03 +08:00
Frank Li
36e81d6a90 arm64: dts: imx8qm: add thermal zone and cooling map
Add thermal zone and cooling map for cpufreq.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 14:34:01 +08:00
Frank Li
88114e1080 arm64: dts: imx8qm: add cpu frequency table
Add A53 and A72 opp_table.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 14:33:50 +08:00
Yashwanth Varakala
055e38c763 arm64: dts: imx8mp-phyboard-pollux-rdk: Fix led sub-node names
Dtschema of the leds sub-node names expects "led-1" instead of led1.
So, the sub-node names are corrected according to the regexes.

Signed-off-by: Yashwanth Varakala <y.varakala@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 14:30:47 +08:00
Tim Harvey
6b4da1354f arm64: dts: imx8mm: add imx8mm-venice-gw72xx-0x-rpidsi overlay for display
Add support for the following Raspberry Pi displays:
 - DFROBOT DRF0678 7in 800x480 TFT DSI capacitive touch
 - DFROBOT DRF0550 5in 800x480 TFT DSI capacitive touch

Both have the following hardware:
 - FocalTech FT5406 10pt touch controller (with no interrupt)
 - Powertip PH800480T013-IDF02 compatible panel
 - Toshiba TC358762 compatible DSI to DBI bridge
 - ATTINY based regulator used for backlight controller and panel enable

Support is added via a device-tree overlay. The touch controller is not
yet supported as polling mode is needed.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 11:09:49 +08:00
Tim Harvey
b7df89f1c9 arm64: dts: imx8mm: add imx8mm-venice-gw73xx-0x-rpidsi overlay for display
Add support for the following Raspberry Pi displays:
 - DFROBOT DRF0678 7in 800x480 TFT DSI capacitive touch
 - DFROBOT DRF0550 5in 800x480 TFT DSI capacitive touch

Both have the following hardware:
 - FocalTech FT5406 10pt touch controller (with no interrupt)
 - Powertip PH800480T013-IDF02 compatible panel
 - Toshiba TC358762 compatible DSI to DBI bridge
 - ATTINY based regulator used for backlight controller and panel enable

Support is added via a device-tree overlay. The touch controller is not
yet supported as polling mode is needed.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-19 11:09:41 +08:00
Frank Li
ba345b77fa arm64: dts: imx8mp: remove arm,primecell-periphid at etm nodes
The reg size of etm nodes is incorrectly set to 64k instead of 4k. This
leads to a crash when calling amba_read_periphid().  After corrected reg
size, amba_read_periphid() retrieve the correct periphid.
arm,primecell-periphid were removed from the etm nodes.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 14:43:20 +08:00
Krzysztof Kozlowski
b40b2dc6a1 arm64: dts: freescale: add missing space before {
Add missing whitespace between node name/label and opening {.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 14:30:44 +08:00
Krzysztof Kozlowski
7271f14d2f arm64: dts: imx8mm: split PCIe ranges
Two entries are expected for PCIe ranges.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 12:03:18 +08:00
Krzysztof Kozlowski
ca788bb10a arm64: dts: imx: minor whitespace cleanup around '='
The DTS code coding style expects exactly one space before and after '='
sign.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 12:02:50 +08:00
Sherry Sun
258bd86381 arm64: dts: imx93: add "fsl,imx8ulp-lpuart" compatible for imx93
i.MX93 and i.MX8ULP lpuart add some new featurs based on i.MX7ULP, for
example, i.MX93 and i.MX8ULP can support EOP(end-of-packet) function
while i.MX7ULP doesn't support, so add "fsl,imx8ulp-lpuart" compatible
string for i.MX93 to support those new features.

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:37:36 +08:00
Sherry Sun
f1bcefdef1 arm64: dts: imx8dxl: remove "fsl,imx7ulp-lpuart" compatible for imx8dxl
Drop the i.MX8DXL backwards compatibility with i.MX7ULP since they
differ from clocks handling point of view.

dtbs_check has the following warnings:
linux-next/arch/arm64/boot/dts/freescale/imx8dxl-evk.dtb: serial@5a060000: compatible: 'oneOf' conditional failed, one must be fixed:
        ['fsl,imx8qxp-lpuart', 'fsl,imx7ulp-lpuart'] is too long
        'fsl,imx93-lpuart' was expected
        'fsl,imx8qxp-lpuart' is not one of ['fsl,imx8qm-lpuart', 'fsl,imx8dxl-lpuart']
        'fsl,imxrt1050-lpuart' was expected
        'fsl,imx8ulp-lpuart' was expected
        'fsl,imx8qxp-lpuart' was expected
        'fsl,imxrt1170-lpuart' was expected
        From schema: linux-next/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml

Signed-off-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:37:27 +08:00
Peng Fan
e1da729459 arm64: dts: imx93: enable CM33 for 11x11 EVK
Add reserved memory node for rpmsg
Enable CM33 node with mailbox property included for doorbell.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:14:12 +08:00
Peng Fan
48a3c682fe arm64: dts: imx93: add cm33 node
Add CM33 node for i.MX93

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:14:10 +08:00
Peng Fan
fc94fbb997 arm64: dts: imx93: add cma area for i.MX93 11x11 EVK
Add CMA region for DMA usage.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:14:08 +08:00
Peng Fan
7f916a6fe8 arm64: dts: imx93: add thermal support
Add tmu node and thermal-zones

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 11:13:57 +08:00
Fabio Estevam
2b1d5d054d arm64: dts: imx8mn-evk: Pass GPIO_OPEN_DRAIN flag
scl-gpios and sda-gpios need GPIO_OPEN_DRAIN flag, otherwise the
following run-time warning is seen:

gpio-144 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file
gpio-146 (scl): enforced open drain please flag it properly in DT/ACPI DSDT/board file

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 10:47:47 +08:00
Michael Walle
06b944f40a arm64: dts: ls1028a: sl28: get MAC addresses from VPD
Now that it is finally possible to get the MAC addresses from the OTP
memory, use it to set the addresses of the network devices.

There are 8 reserved MAC addresses in total per board. Distribute them
as follows:

+----------+------+------+------+------+------+
|          | var1 | var2 | var3 | var4 | kbox |
+----------+------+------+------+------+------+
| enetc #0 |   +0 |      |      |   +0 |   +0 |
| enetc #1 |      |      |   +0 |   +1 |   +1 |
| enetc #2 |      |   +2 |      |      |   +2 |
| enetc #3 |      |   +3 |      |      |   +3 |
| felix p0 |      |   +0 |      |      |   +4 |
| felix p1 |      |   +1 |      |      |   +5 |
| felix p2 |      |      |      |      |   +6 |
| felix p3 |      |      |      |      |   +7 |
| felix p4 |      |      |      |      |      |
| felix p5 |      |      |      |      |      |
+----------+------+------+------+------+------+

An empty cell means, the port is not available and thus doesn't need an
ethernet address.

Signed-off-by: Michael Walle <mwalle@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:58:28 +08:00
Cem Tenruh
cd3b83270a arm64: dts: imx8mm-phyboard-polis: Add i2c4 sda-/scl-gpios
Add i2c4 sda-/scl-gpios with the corresponding pinmux entries.

Signed-off-by: Cem Tenruh <c.tenruh@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:52:41 +08:00
Yannic Moog
c933945fad arm64: dts: imx8mm-phyboard-polis: Set debug uart muxing to 0x140
Set Pull Resistors Enable bit to put signal into a defined state.

Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:52:38 +08:00
Yannic Moog
3d8f8cebde arm64: dts: phycore-imx8mm: fix nor mtd partitions
Add #address-cells and #size-cells properties to som_flash. This
enables correct parsing of added SPI NOR mtd partition child nodes that
are set in the bootloader.

Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:52:29 +08:00
Yashwanth Varakala
867b855789 arm64: dts: freescale: imx8mm-phyboard-polis: Add TPM node
Add TPM node for phyBOARD-Polis i.MX 8M Mini which has the Infineon-SLB
9670 TPM2.0 module populated.

Signed-off-by: Yashwanth Varakala <y.varakala@phytec.de>
Signed-off-by: Yannic Moog <y.moog@phytec.de>
Signed-off-by: Cem Tenruh <c.tenruh@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:51:28 +08:00
Adam Ford
8ad7d14d99 arm64: dts: imx8mm-beacon: Add HDMI video with sound
The Beacon Embedded imx8mm development kit has a DSI
to HDMI bridge chip.  The bridge supports stereo audio
and hot-plugging.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:27:24 +08:00
Adam Ford
9c9b11871b arm64: dts: imx8mm-beacon: Change camera I2C address
The DSI to HDMI bridge uses the address currently assigned to
the camera, so change the camera address to the alternative
address of 0x10 in preparation to enable the bridge.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:27:22 +08:00
Adam Ford
1d6880ceef arm64: dts: imx8mn-beacon: Add HDMI video with sound
The Beacon Embedded imx8mn development kit has a DSI
to HDMI bridge chip.  The bridge supports stereo audio
and hot-plug detection.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-18 09:27:11 +08:00
Tim Harvey
26701ff107 arm64: dts: freescale: fix imx8mm-venice-gw72xx-0x-imx219 overlay
Fix typo in imx8mm-venice-gw72xx-0x-imx219 overlay causing it to use
gw73xx configuration.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:48:32 +08:00
Tim Harvey
531936b218 arm64: dts: imx8mp-venice-gw74xx: update to revB PCB
Update the imx8mp-venice-gw74xx for revB:
 - add CAN1
 - add TIS-TPM on SPI2
 - add FAN controller
 - fix PMIC I2C bus (revA PMIC I2C was non-functional so no need for
   backward compatible option)
 - M2 socket GPIO's moved

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:39:26 +08:00
Tim Harvey
0f8446f02b arm64: dts: imx8mm-venice-gw7904: enable UART1 hardware flow control
On the GW7904 uart1 can use UART3_TX/RX for hardware flow control
which was the desired default configuration. Remove uart3 and configure
uart1 for hardware flow control.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:14:46 +08:00
Tim Harvey
efdb4d2346 arm64: dts: imx8m{m,n}-venice-gw7902: add SDR50/SDR104 SDIO support for wifi
The GW7902 has a Murata LBEE5H 802.11abgnac / BT5 module based on the
Cypress CYW43455 which supports SDR50/SDR104.

Add dt pinctrl for the 100mhz and 200mhz states to support SDR50/SDR104.

While at it add the dt node for the CYW43455 wifi.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:13:30 +08:00
Tim Harvey
18bbf7ac3f arm64: dts: imx8mm-venice-gw7901: add SDR50/SDR104 SDIO support for wifi
The GW7901 has a Murata LBEE5H 802.11abgnac / BT5 module based on the
Cypress CYW43455 which supports SDR50/SDR104.

Add dt pinctrl for the 100mhz and 200mhz states to support SDR50/SDR104.

While at it add the dt node for the CYW43455 wifi for the brcmfmac
driver.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:11:04 +08:00
Tim Harvey
9a8d30b977 arm64: dts: imx8mm-venice-gw7901: add cpu-supply node for cpufreq
Add regulator config for cpu-supply in order to support cpufreq.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 08:06:13 +08:00
Fabio Estevam
b239dd7f41 arm64: dts: imx8mq-librem5: Use 'vqmmc-supply'
'power-supply' is an invalid property for usdhc and it gives
the following schema warning:

imx8mq-librem5-r2.dtb: mmc@30b40000: Unevaluated properties are not allowed ('power-supply' was unexpected)
From schema: Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml

Change it to 'vqmmc-supply', which represents the supply for the bus IO.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2023-07-17 07:52:23 +08:00
Linus Torvalds
06c2afb862 Linux 6.5-rc1 2023-07-09 13:53:13 -07:00
Linus Torvalds
c192ac7357 MAINTAINERS 2: Electric Boogaloo
We just sorted the entries and fields last release, so just out of a
perverse sense of curiosity, I decided to see if we can keep things
ordered for even just one release.

The answer is "No. No we cannot".

I suggest that all kernel developers will need weekly training sessions,
involving a lot of Big Bird and Sesame Street.  And at the yearly
maintainer summit, we will all sing the alphabet song together.

I doubt I will keep doing this.  At some point "perverse sense of
curiosity" turns into just a cold dark place filled with sadness and
despair.

Repeats: 80e62bc848 ("MAINTAINERS: re-sort all entries and fields")
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-07-09 10:29:53 -07:00
Linus Torvalds
f71f64210d dma-mapping fixes for Linux 6.5
- swiotlb area sizing fixes (Petr Tesarik)
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Merge tag 'dma-mapping-6.5-2023-07-09' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:

 - swiotlb area sizing fixes (Petr Tesarik)

* tag 'dma-mapping-6.5-2023-07-09' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: reduce the number of areas to match actual memory pool size
  swiotlb: always set the number of areas before allocating the pool
2023-07-09 10:24:22 -07:00
Linus Torvalds
a9943ad3dd - Optimize IRQ domain's name assignment
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Merge tag 'irq_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq update from Borislav Petkov:

 - Optimize IRQ domain's name assignment

* tag 'irq_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqdomain: Use return value of strreplace()
2023-07-09 10:16:04 -07:00
Linus Torvalds
51e3d7c274 - Do FPU AP initialization on Xen PV too which got missed by the recent
boot reordering work
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Merge tag 'x86_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fpu fix from Borislav Petkov:

 - Do FPU AP initialization on Xen PV too which got missed by the recent
   boot reordering work

* tag 'x86_urgent_for_v6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/xen: Fix secondary processors' FPU initialization
2023-07-09 10:13:32 -07:00
Linus Torvalds
e3da8db055 A single fix for the mechanism to park CPUs with an INIT IPI.
On shutdown or kexec, the kernel tries to park the non-boot CPUs with an
 INIT IPI. But the same code path is also used by the crash utility. If the
 CPU which panics is not the boot CPU then it sends an INIT IPI to the boot
 CPU which resets the machine. Prevent this by validating that the CPU which
 runs the stop mechanism is the boot CPU. If not, leave the other CPUs in
 HLT.
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Merge tag 'x86-core-2023-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fix from Thomas Gleixner:
 "A single fix for the mechanism to park CPUs with an INIT IPI.

  On shutdown or kexec, the kernel tries to park the non-boot CPUs with
  an INIT IPI. But the same code path is also used by the crash utility.
  If the CPU which panics is not the boot CPU then it sends an INIT IPI
  to the boot CPU which resets the machine.

  Prevent this by validating that the CPU which runs the stop mechanism
  is the boot CPU. If not, leave the other CPUs in HLT"

* tag 'x86-core-2023-07-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/smp: Don't send INIT to boot CPU
2023-07-09 10:08:38 -07:00
Linus Torvalds
74099e2034 - fixes for KVM
- fix for loongson build and cpu probing
 - DT fixes
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Merge tag 'mips_6.5_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS fixes from Thomas Bogendoerfer:

 - fixes for KVM

 - fix for loongson build and cpu probing

 - DT fixes

* tag 'mips_6.5_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: kvm: Fix build error with KVM_MIPS_DEBUG_COP0_COUNTERS enabled
  MIPS: dts: add missing space before {
  MIPS: Loongson: Fix build error when make modules_install
  MIPS: KVM: Fix NULL pointer dereference
  MIPS: Loongson: Fix cpu_probe_loongson() again
2023-07-09 10:02:49 -07:00
Linus Torvalds
76487845fd Minor cleanups for 6.5:
* Fix an uninitialized variable warning.
 
 Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'xfs-6.5-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fix from Darrick Wong:
 "Nothing exciting here, just getting rid of a gcc warning that I got
  tired of seeing when I turn on gcov"

* tag 'xfs-6.5-merge-6' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: fix uninit warning in xfs_growfs_data
2023-07-09 09:50:42 -07:00
Linus Torvalds
4770353b66 3 smb3 client fixes
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Merge tag '6.5-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull more smb client updates from Steve French:

 - fix potential use after free in unmount

 - minor cleanup

 - add worker to cleanup stale directory leases

* tag '6.5-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: Add a laundromat thread for cached directories
  smb: client: remove redundant pointer 'server'
  cifs: fix session state transition to avoid use-after-free issue
2023-07-09 09:45:32 -07:00
Linus Torvalds
cff0687396 Fixes for pci_clean_master, error handling in driver inits, and various
other issues/bugs.
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Merge tag 'ntb-6.5' of https://github.com/jonmason/ntb

Pull NTB updates from Jon Mason:
 "Fixes for pci_clean_master, error handling in driver inits, and
  various other issues/bugs"

* tag 'ntb-6.5' of https://github.com/jonmason/ntb:
  ntb: hw: amd: Fix debugfs_create_dir error checking
  ntb.rst: Fix copy and paste error
  ntb_netdev: Fix module_init problem
  ntb: intel: Remove redundant pci_clear_master
  ntb: epf: Remove redundant pci_clear_master
  ntb_hw_amd: Remove redundant pci_clear_master
  ntb: idt: drop redundant pci_enable_pcie_error_reporting()
  MAINTAINERS: git://github -> https://github.com for jonmason
  NTB: EPF: fix possible memory leak in pci_vntb_probe()
  NTB: ntb_tool: Add check for devm_kcalloc
  NTB: ntb_transport: fix possible memory leak while device_register() fails
  ntb: intel: Fix error handling in intel_ntb_pci_driver_init()
  NTB: amd: Fix error handling in amd_ntb_pci_driver_init()
  ntb: idt: Fix error handling in idt_pci_driver_init()
2023-07-09 09:35:51 -07:00
Hugh Dickins
1c7873e336 mm: lock newly mapped VMA with corrected ordering
Lockdep is certainly right to complain about

  (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_write+0x2d/0x3f
                 but task is already holding lock:
  (&mapping->i_mmap_rwsem){+.+.}-{3:3}, at: mmap_region+0x4dc/0x6db

Invert those to the usual ordering.

Fixes: 33313a747e ("mm: lock newly mapped VMA which can be modified after it becomes visible")
Cc: stable@vger.kernel.org
Signed-off-by: Hugh Dickins <hughd@google.com>
Tested-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-07-08 16:44:11 -07:00
Linus Torvalds
946c6b59c5 16 hotfixes. Six are cc:stable and the remainder address post-6.4 issues.
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Merge tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull hotfixes from Andrew Morton:
 "16 hotfixes. Six are cc:stable and the remainder address post-6.4
  issues"

The merge undoes the disabling of the CONFIG_PER_VMA_LOCK feature, since
it was all hopefully fixed in mainline.

* tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  lib: dhry: fix sleeping allocations inside non-preemptable section
  kasan, slub: fix HW_TAGS zeroing with slub_debug
  kasan: fix type cast in memory_is_poisoned_n
  mailmap: add entries for Heiko Stuebner
  mailmap: update manpage link
  bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
  MAINTAINERS: add linux-next info
  mailmap: add Markus Schneider-Pargmann
  writeback: account the number of pages written back
  mm: call arch_swap_restore() from do_swap_page()
  squashfs: fix cache race with migration
  mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison
  docs: update ocfs2-devel mailing list address
  MAINTAINERS: update ocfs2-devel mailing list address
  mm: disable CONFIG_PER_VMA_LOCK until its fixed
  fork: lock VMAs of the parent process when forking
2023-07-08 14:30:25 -07:00
Suren Baghdasaryan
fb49c45532 fork: lock VMAs of the parent process when forking
When forking a child process, the parent write-protects anonymous pages
and COW-shares them with the child being forked using copy_present_pte().

We must not take any concurrent page faults on the source vma's as they
are being processed, as we expect both the vma and the pte's behind it
to be stable.  For example, the anon_vma_fork() expects the parents
vma->anon_vma to not change during the vma copy.

A concurrent page fault on a page newly marked read-only by the page
copy might trigger wp_page_copy() and a anon_vma_prepare(vma) on the
source vma, defeating the anon_vma_clone() that wasn't done because the
parent vma originally didn't have an anon_vma, but we now might end up
copying a pte entry for a page that has one.

Before the per-vma lock based changes, the mmap_lock guaranteed
exclusion with concurrent page faults.  But now we need to do a
vma_start_write() to make sure no concurrent faults happen on this vma
while it is being processed.

This fix can potentially regress some fork-heavy workloads.  Kernel
build time did not show noticeable regression on a 56-core machine while
a stress test mapping 10000 VMAs and forking 5000 times in a tight loop
shows ~5% regression.  If such fork time regression is unacceptable,
disabling CONFIG_PER_VMA_LOCK should restore its performance.  Further
optimizations are possible if this regression proves to be problematic.

Suggested-by: David Hildenbrand <david@redhat.com>
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Closes: https://lore.kernel.org/all/dbdef34c-3a07-5951-e1ae-e9c6e3cdf51b@kernel.org/
Reported-by: Holger Hoffstätte <holger@applied-asynchrony.com>
Closes: https://lore.kernel.org/all/b198d649-f4bf-b971-31d0-e8433ec2a34c@applied-asynchrony.com/
Reported-by: Jacob Young <jacobly.alt@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217624
Fixes: 0bff0aaea0 ("x86/mm: try VMA lock-based page fault handling first")
Cc: stable@vger.kernel.org
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-07-08 14:08:02 -07:00
Suren Baghdasaryan
33313a747e mm: lock newly mapped VMA which can be modified after it becomes visible
mmap_region adds a newly created VMA into VMA tree and might modify it
afterwards before dropping the mmap_lock.  This poses a problem for page
faults handled under per-VMA locks because they don't take the mmap_lock
and can stumble on this VMA while it's still being modified.  Currently
this does not pose a problem since post-addition modifications are done
only for file-backed VMAs, which are not handled under per-VMA lock.
However, once support for handling file-backed page faults with per-VMA
locks is added, this will become a race.

Fix this by write-locking the VMA before inserting it into the VMA tree.
Other places where a new VMA is added into VMA tree do not modify it
after the insertion, so do not need the same locking.

Cc: stable@vger.kernel.org
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-07-08 14:08:02 -07:00
Suren Baghdasaryan
c137381f71 mm: lock a vma before stack expansion
With recent changes necessitating mmap_lock to be held for write while
expanding a stack, per-VMA locks should follow the same rules and be
write-locked to prevent page faults into the VMA being expanded. Add
the necessary locking.

Cc: stable@vger.kernel.org
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-07-08 14:08:02 -07:00
Linus Torvalds
7fcd473a64 SCSI misc on 20230708
A few late arriving patches that missed the initial pull request.
 It's mostly bug fixes (the dt-bindings is a fix for the initial pull).
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull more SCSI updates from James Bottomley:
 "A few late arriving patches that missed the initial pull request. It's
  mostly bug fixes (the dt-bindings is a fix for the initial pull)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: core: Remove unused function declaration
  scsi: target: docs: Remove tcm_mod_builder.py
  scsi: target: iblock: Quiet bool conversion warning with pr_preempt use
  scsi: dt-bindings: ufs: qcom: Fix ICE phandle
  scsi: core: Simplify scsi_cdl_check_cmd()
  scsi: isci: Fix comment typo
  scsi: smartpqi: Replace one-element arrays with flexible-array members
  scsi: target: tcmu: Replace strlcpy() with strscpy()
  scsi: ncr53c8xx: Replace strlcpy() with strscpy()
  scsi: lpfc: Fix lpfc_name struct packing
2023-07-08 12:35:18 -07:00
Linus Torvalds
84dc5aa3f0 Part 2 of I2C patches for 6.5
* xiic patch should have been in part 1 but slipped through
 * mpc patch fixes a build regression from part 1
 * nomadik is a fix which needed a rebase after part 1
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Merge tag 'i2c-for-6.5-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull more i2c updates from Wolfram Sang:

 - xiic patch should have been in the original pull but slipped through

 - mpc patch fixes a build regression

 - nomadik cleanup

* tag 'i2c-for-6.5-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: mpc: Drop unused variable
  i2c: nomadik: Remove a useless call in the remove function
  i2c: xiic: Don't try to handle more interrupt events after error
2023-07-08 12:28:00 -07:00