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Linux 5.4-rc7 

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Merge tag 'v5.4-rc7' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2019-11-11 07:59:06 +01:00
Родитель d44f821b0e 31f4f5b495
Коммит 1ca7feb590
682 изменённых файлов: 9381 добавлений и 3201 удалений
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4
.mailmap
Просмотреть файл

@ -108,6 +108,10 @@ Jason Gunthorpe <jgg@ziepe.ca> <jgg@mellanox.com>
Jason Gunthorpe <jgg@ziepe.ca> <jgunthorpe@obsidianresearch.com>
Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
<javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
Jayachandran C <c.jayachandran@gmail.com> <jayachandranc@netlogicmicro.com>
Jayachandran C <c.jayachandran@gmail.com> <jchandra@broadcom.com>
Jayachandran C <c.jayachandran@gmail.com> <jchandra@digeo.com>
Jayachandran C <c.jayachandran@gmail.com> <jnair@caviumnetworks.com>
Jean Tourrilhes <jt@hpl.hp.com>
<jean-philippe@linaro.org> <jean-philippe.brucker@arm.com>
Jeff Garzik <jgarzik@pretzel.yyz.us>

7
Documentation/arm64/silicon-errata.rst
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@ -91,6 +91,11 @@ stable kernels.
| ARM | MMU-500 | #841119,826419 | N/A |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_845719 |
+----------------+-----------------+-----------------+-----------------------------+
| Broadcom | Brahma-B53 | N/A | ARM64_ERRATUM_843419 |
+----------------+-----------------+-----------------+-----------------------------+
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #22375,24313 | CAVIUM_ERRATUM_22375 |
+----------------+-----------------+-----------------+-----------------------------+
| Cavium | ThunderX ITS | #23144 | CAVIUM_ERRATUM_23144 |
@ -126,7 +131,7 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Kryo/Falkor v1 | E1003 | QCOM_FALKOR_ERRATUM_1003 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | Falkor v1 | E1009 | QCOM_FALKOR_ERRATUM_1009 |
| Qualcomm Tech. | Kryo/Falkor v1 | E1009 | QCOM_FALKOR_ERRATUM_1009 |
+----------------+-----------------+-----------------+-----------------------------+
| Qualcomm Tech. | QDF2400 ITS | E0065 | QCOM_QDF2400_ERRATUM_0065 |
+----------------+-----------------+-----------------+-----------------------------+

14
Documentation/networking/device_drivers/intel/e100.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
==============================================================
Linux* Base Driver for the Intel(R) PRO/100 Family of Adapters
==============================================================
=============================================================
Linux Base Driver for the Intel(R) PRO/100 Family of Adapters
=============================================================
June 1, 2018
@ -21,7 +21,7 @@ Contents
In This Release
===============
This file describes the Linux* Base Driver for the Intel(R) PRO/100 Family of
This file describes the Linux Base Driver for the Intel(R) PRO/100 Family of
Adapters. This driver includes support for Itanium(R)2-based systems.
For questions related to hardware requirements, refer to the documentation
@ -138,9 +138,9 @@ version 1.6 or later is required for this functionality.
The latest release of ethtool can be found from
https://www.kernel.org/pub/software/network/ethtool/
Enabling Wake on LAN* (WoL)
---------------------------
WoL is provided through the ethtool* utility. For instructions on
Enabling Wake on LAN (WoL)
--------------------------
WoL is provided through the ethtool utility. For instructions on
enabling WoL with ethtool, refer to the ethtool man page. WoL will be
enabled on the system during the next shut down or reboot. For this
driver version, in order to enable WoL, the e100 driver must be loaded

12
Documentation/networking/device_drivers/intel/e1000.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
===========================================================
Linux* Base Driver for Intel(R) Ethernet Network Connection
===========================================================
==========================================================
Linux Base Driver for Intel(R) Ethernet Network Connection
==========================================================
Intel Gigabit Linux driver.
Copyright(c) 1999 - 2013 Intel Corporation.
@ -438,10 +438,10 @@ ethtool
The latest release of ethtool can be found from
https://www.kernel.org/pub/software/network/ethtool/
Enabling Wake on LAN* (WoL)
---------------------------
Enabling Wake on LAN (WoL)
--------------------------
WoL is configured through the ethtool* utility.
WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot.
For this driver version, in order to enable WoL, the e1000 driver must be

14
Documentation/networking/device_drivers/intel/e1000e.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
======================================================
Linux* Driver for Intel(R) Ethernet Network Connection
======================================================
=====================================================
Linux Driver for Intel(R) Ethernet Network Connection
=====================================================
Intel Gigabit Linux driver.
Copyright(c) 2008-2018 Intel Corporation.
@ -338,7 +338,7 @@ and higher cannot be forced. Use the autonegotiation advertising setting to
manually set devices for 1 Gbps and higher.
Speed, duplex, and autonegotiation advertising are configured through the
ethtool* utility.
ethtool utility.
Caution: Only experienced network administrators should force speed and duplex
or change autonegotiation advertising manually. The settings at the switch must
@ -351,9 +351,9 @@ will not attempt to auto-negotiate with its link partner since those adapters
operate only in full duplex and only at their native speed.
Enabling Wake on LAN* (WoL)
---------------------------
WoL is configured through the ethtool* utility.
Enabling Wake on LAN (WoL)
--------------------------
WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot. For
this driver version, in order to enable WoL, the e1000e driver must be loaded

10
Documentation/networking/device_drivers/intel/fm10k.rst
Просмотреть файл

@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
==============================================================
Linux* Base Driver for Intel(R) Ethernet Multi-host Controller
==============================================================
=============================================================
Linux Base Driver for Intel(R) Ethernet Multi-host Controller
=============================================================
August 20, 2018
Copyright(c) 2015-2018 Intel Corporation.
@ -120,8 +120,8 @@ rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|tcp6|udp6|ah6|esp6|sctp6 m|v|t|s|d|f|n|r
Known Issues/Troubleshooting
============================
Enabling SR-IOV in a 64-bit Microsoft* Windows Server* 2012/R2 guest OS under Linux KVM
---------------------------------------------------------------------------------------
Enabling SR-IOV in a 64-bit Microsoft Windows Server 2012/R2 guest OS under Linux KVM
-------------------------------------------------------------------------------------
KVM Hypervisor/VMM supports direct assignment of a PCIe device to a VM. This
includes traditional PCIe devices, as well as SR-IOV-capable devices based on
the Intel Ethernet Controller XL710.

8
Documentation/networking/device_drivers/intel/i40e.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
==================================================================
Linux* Base Driver for the Intel(R) Ethernet Controller 700 Series
==================================================================
=================================================================
Linux Base Driver for the Intel(R) Ethernet Controller 700 Series
=================================================================
Intel 40 Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@ -384,7 +384,7 @@ NOTE: You cannot set the speed for devices based on the Intel(R) Ethernet
Network Adapter XXV710 based devices.
Speed, duplex, and autonegotiation advertising are configured through the
ethtool* utility.
ethtool utility.
Caution: Only experienced network administrators should force speed and duplex
or change autonegotiation advertising manually. The settings at the switch must

8
Documentation/networking/device_drivers/intel/iavf.rst
Просмотреть файл

@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
==================================================================
Linux* Base Driver for Intel(R) Ethernet Adaptive Virtual Function
==================================================================
=================================================================
Linux Base Driver for Intel(R) Ethernet Adaptive Virtual Function
=================================================================
Intel Ethernet Adaptive Virtual Function Linux driver.
Copyright(c) 2013-2018 Intel Corporation.
@ -19,7 +19,7 @@ Contents
Overview
========
This file describes the iavf Linux* Base Driver. This driver was formerly
This file describes the iavf Linux Base Driver. This driver was formerly
called i40evf.
The iavf driver supports the below mentioned virtual function devices and

6
Documentation/networking/device_drivers/intel/ice.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
===================================================================
Linux* Base Driver for the Intel(R) Ethernet Connection E800 Series
===================================================================
==================================================================
Linux Base Driver for the Intel(R) Ethernet Connection E800 Series
==================================================================
Intel ice Linux driver.
Copyright(c) 2018 Intel Corporation.

12
Documentation/networking/device_drivers/intel/igb.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
===========================================================
Linux* Base Driver for Intel(R) Ethernet Network Connection
===========================================================
==========================================================
Linux Base Driver for Intel(R) Ethernet Network Connection
==========================================================
Intel Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@ -129,9 +129,9 @@ version is required for this functionality. Download it at:
https://www.kernel.org/pub/software/network/ethtool/
Enabling Wake on LAN* (WoL)
---------------------------
WoL is configured through the ethtool* utility.
Enabling Wake on LAN (WoL)
--------------------------
WoL is configured through the ethtool utility.
WoL will be enabled on the system during the next shut down or reboot. For
this driver version, in order to enable WoL, the igb driver must be loaded

6
Documentation/networking/device_drivers/intel/igbvf.rst
Просмотреть файл

@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
============================================================
Linux* Base Virtual Function Driver for Intel(R) 1G Ethernet
============================================================
===========================================================
Linux Base Virtual Function Driver for Intel(R) 1G Ethernet
===========================================================
Intel Gigabit Virtual Function Linux driver.
Copyright(c) 1999-2018 Intel Corporation.

10
Documentation/networking/device_drivers/intel/ixgbe.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
=============================================================================
Linux* Base Driver for the Intel(R) Ethernet 10 Gigabit PCI Express Adapters
=============================================================================
===========================================================================
Linux Base Driver for the Intel(R) Ethernet 10 Gigabit PCI Express Adapters
===========================================================================
Intel 10 Gigabit Linux driver.
Copyright(c) 1999-2018 Intel Corporation.
@ -519,8 +519,8 @@ The offload is also supported for ixgbe's VFs, but the VF must be set as
Known Issues/Troubleshooting
============================
Enabling SR-IOV in a 64-bit Microsoft* Windows Server* 2012/R2 guest OS
-----------------------------------------------------------------------
Enabling SR-IOV in a 64-bit Microsoft Windows Server 2012/R2 guest OS
---------------------------------------------------------------------
Linux KVM Hypervisor/VMM supports direct assignment of a PCIe device to a VM.
This includes traditional PCIe devices, as well as SR-IOV-capable devices based
on the Intel Ethernet Controller XL710.

6
Documentation/networking/device_drivers/intel/ixgbevf.rst
Просмотреть файл

@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
=============================================================
Linux* Base Virtual Function Driver for Intel(R) 10G Ethernet
=============================================================
============================================================
Linux Base Virtual Function Driver for Intel(R) 10G Ethernet
============================================================
Intel 10 Gigabit Virtual Function Linux driver.
Copyright(c) 1999-2018 Intel Corporation.

6
Documentation/networking/device_drivers/pensando/ionic.rst
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@ -1,8 +1,8 @@
.. SPDX-License-Identifier: GPL-2.0+
==========================================================
Linux* Driver for the Pensando(R) Ethernet adapter family
==========================================================
========================================================
Linux Driver for the Pensando(R) Ethernet adapter family
========================================================
Pensando Linux Ethernet driver.
Copyright(c) 2019 Pensando Systems, Inc

11
Documentation/networking/ip-sysctl.txt
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@ -207,8 +207,8 @@ TCP variables:
somaxconn - INTEGER
Limit of socket listen() backlog, known in userspace as SOMAXCONN.
Defaults to 128. See also tcp_max_syn_backlog for additional tuning
for TCP sockets.
Defaults to 4096. (Was 128 before linux-5.4)
See also tcp_max_syn_backlog for additional tuning for TCP sockets.
tcp_abort_on_overflow - BOOLEAN
If listening service is too slow to accept new connections,
@ -408,11 +408,14 @@ tcp_max_orphans - INTEGER
up to ~64K of unswappable memory.
tcp_max_syn_backlog - INTEGER
Maximal number of remembered connection requests, which have not
received an acknowledgment from connecting client.
Maximal number of remembered connection requests (SYN_RECV),
which have not received an acknowledgment from connecting client.
This is a per-listener limit.
The minimal value is 128 for low memory machines, and it will
increase in proportion to the memory of machine.
If server suffers from overload, try increasing this number.
Remember to also check /proc/sys/net/core/somaxconn
A SYN_RECV request socket consumes about 304 bytes of memory.
tcp_max_tw_buckets - INTEGER
Maximal number of timewait sockets held by system simultaneously.

4
Documentation/networking/tls-offload.rst
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@ -436,6 +436,10 @@ by the driver:
encryption.
* ``tx_tls_ooo`` - number of TX packets which were part of a TLS stream
but did not arrive in the expected order.
* ``tx_tls_skip_no_sync_data`` - number of TX packets which were part of
a TLS stream and arrived out-of-order, but skipped the HW offload routine
and went to the regular transmit flow as they were retransmissions of the
connection handshake.
* ``tx_tls_drop_no_sync_data`` - number of TX packets which were part of
a TLS stream dropped, because they arrived out of order and associated
record could not be found.

20
MAINTAINERS
Просмотреть файл

@ -3053,6 +3053,7 @@ M: Daniel Borkmann <daniel@iogearbox.net>
R: Martin KaFai Lau <kafai@fb.com>
R: Song Liu <songliubraving@fb.com>
R: Yonghong Song <yhs@fb.com>
R: Andrii Nakryiko <andriin@fb.com>
L: netdev@vger.kernel.org
L: bpf@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
@ -3737,7 +3738,6 @@ F: drivers/crypto/cavium/cpt/
CAVIUM THUNDERX2 ARM64 SOC
M: Robert Richter <rrichter@cavium.com>
M: Jayachandran C <jnair@caviumnetworks.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm64/boot/dts/cavium/thunder2-99xx*
@ -10519,8 +10519,12 @@ F: mm/memblock.c
F: Documentation/core-api/boot-time-mm.rst
MEMORY MANAGEMENT
M: Andrew Morton <akpm@linux-foundation.org>
L: linux-mm@kvack.org
W: http://www.linux-mm.org
T: quilt https://ozlabs.org/~akpm/mmotm/
T: quilt https://ozlabs.org/~akpm/mmots/
T: git git://github.com/hnaz/linux-mm.git
S: Maintained
F: include/linux/mm.h
F: include/linux/gfp.h
@ -11408,7 +11412,6 @@ F: include/trace/events/tcp.h
NETWORKING [TLS]
M: Boris Pismenny <borisp@mellanox.com>
M: Aviad Yehezkel <aviadye@mellanox.com>
M: Dave Watson <davejwatson@fb.com>
M: John Fastabend <john.fastabend@gmail.com>
M: Daniel Borkmann <daniel@iogearbox.net>
M: Jakub Kicinski <jakub.kicinski@netronome.com>
@ -13913,7 +13916,7 @@ F: drivers/mtd/nand/raw/r852.h
RISC-V ARCHITECTURE
M: Paul Walmsley <paul.walmsley@sifive.com>
M: Palmer Dabbelt <palmer@sifive.com>
M: Palmer Dabbelt <palmer@dabbelt.com>
M: Albert Ou <aou@eecs.berkeley.edu>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git
@ -14790,7 +14793,7 @@ F: drivers/media/usb/siano/
F: drivers/media/mmc/siano/
SIFIVE DRIVERS
M: Palmer Dabbelt <palmer@sifive.com>
M: Palmer Dabbelt <palmer@dabbelt.com>
M: Paul Walmsley <paul.walmsley@sifive.com>
L: linux-riscv@lists.infradead.org
T: git git://github.com/sifive/riscv-linux.git
@ -14800,7 +14803,7 @@ N: sifive
SIFIVE FU540 SYSTEM-ON-CHIP
M: Paul Walmsley <paul.walmsley@sifive.com>
M: Palmer Dabbelt <palmer@sifive.com>
M: Palmer Dabbelt <palmer@dabbelt.com>
L: linux-riscv@lists.infradead.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pjw/sifive.git
S: Supported
@ -17342,6 +17345,12 @@ F: include/linux/vbox_utils.h
F: include/uapi/linux/vbox*.h
F: drivers/virt/vboxguest/
VIRTUAL BOX SHARED FOLDER VFS DRIVER:
M: Hans de Goede <hdegoede@redhat.com>
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: drivers/staging/vboxsf/*
VIRTUAL SERIO DEVICE DRIVER
M: Stephen Chandler Paul <thatslyude@gmail.com>
S: Maintained
@ -18042,6 +18051,7 @@ F: Documentation/vm/zsmalloc.rst
ZSWAP COMPRESSED SWAP CACHING
M: Seth Jennings <sjenning@redhat.com>
M: Dan Streetman <ddstreet@ieee.org>
M: Vitaly Wool <vitaly.wool@konsulko.com>
L: linux-mm@kvack.org
S: Maintained
F: mm/zswap.c

2
Makefile
Просмотреть файл

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc7
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*

23
arch/arc/boot/dts/hsdk.dts
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@ -65,6 +65,14 @@
clock-frequency = <33333333>;
};
reg_5v0: regulator-5v0 {
compatible = "regulator-fixed";
regulator-name = "5v0-supply";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
};
cpu_intc: cpu-interrupt-controller {
compatible = "snps,archs-intc";
interrupt-controller;
@ -264,6 +272,21 @@
clocks = <&input_clk>;
cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_LOW>,
<&creg_gpio 1 GPIO_ACTIVE_LOW>;
spi-flash@0 {
compatible = "sst26wf016b", "jedec,spi-nor";
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
spi-max-frequency = <4000000>;
};
adc@1 {
compatible = "ti,adc108s102";
reg = <1>;
vref-supply = <&reg_5v0>;
spi-max-frequency = <1000000>;
};
};
creg_gpio: gpio@14b0 {

6
arch/arc/configs/hsdk_defconfig
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@ -32,6 +32,8 @@ CONFIG_INET=y
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
CONFIG_MTD=y
CONFIG_MTD_SPI_NOR=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
@ -55,6 +57,8 @@ CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_DWAPB=y
CONFIG_GPIO_SNPS_CREG=y
# CONFIG_HWMON is not set
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_DRM=y
# CONFIG_DRM_FBDEV_EMULATION is not set
CONFIG_DRM_UDL=y
@ -72,6 +76,8 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
CONFIG_DMADEVICES=y
CONFIG_DW_AXI_DMAC=y
CONFIG_IIO=y
CONFIG_TI_ADC108S102=y
CONFIG_EXT3_FS=y
CONFIG_VFAT_FS=y
CONFIG_TMPFS=y

4
arch/arc/kernel/perf_event.c
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@ -614,8 +614,8 @@ static int arc_pmu_device_probe(struct platform_device *pdev)
/* loop thru all available h/w condition indexes */
for (i = 0; i < cc_bcr.c; i++) {
write_aux_reg(ARC_REG_CC_INDEX, i);
cc_name.indiv.word0 = read_aux_reg(ARC_REG_CC_NAME0);
cc_name.indiv.word1 = read_aux_reg(ARC_REG_CC_NAME1);
cc_name.indiv.word0 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME0));
cc_name.indiv.word1 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME1));
arc_pmu_map_hw_event(i, cc_name.str);
arc_pmu_add_raw_event_attr(i, cc_name.str);

4
arch/arm/boot/dts/imx6-logicpd-baseboard.dtsi
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@ -328,6 +328,10 @@
pinctrl-0 = <&pinctrl_pwm3>;
};
&snvs_pwrkey {
status = "okay";
};
&ssi2 {
status = "okay";
};

8
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
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@ -230,6 +230,8 @@
accelerometer@1c {
compatible = "fsl,mma8451";
reg = <0x1c>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mma8451_int>;
interrupt-parent = <&gpio6>;
interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
};
@ -628,6 +630,12 @@
>;
};
pinctrl_mma8451_int: mma8451intgrp {
fsl,pins = <
MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0xb0b1
>;
};
pinctrl_pwm3: pwm1grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1

13
arch/arm/boot/dts/stm32mp157c-ev1.dts
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@ -183,14 +183,12 @@
ov5640: camera@3c {
compatible = "ovti,ov5640";
pinctrl-names = "default";
pinctrl-0 = <&ov5640_pins>;
reg = <0x3c>;
clocks = <&clk_ext_camera>;
clock-names = "xclk";
DOVDD-supply = <&v2v8>;
powerdown-gpios = <&stmfx_pinctrl 18 GPIO_ACTIVE_HIGH>;
reset-gpios = <&stmfx_pinctrl 19 GPIO_ACTIVE_LOW>;
powerdown-gpios = <&stmfx_pinctrl 18 (GPIO_ACTIVE_HIGH | GPIO_PUSH_PULL)>;
reset-gpios = <&stmfx_pinctrl 19 (GPIO_ACTIVE_LOW | GPIO_PUSH_PULL)>;
rotation = <180>;
status = "okay";
@ -223,15 +221,8 @@
joystick_pins: joystick {
pins = "gpio0", "gpio1", "gpio2", "gpio3", "gpio4";
drive-push-pull;
bias-pull-down;
};
ov5640_pins: camera {
pins = "agpio2", "agpio3"; /* stmfx pins 18 & 19 */
drive-push-pull;
output-low;
};
};
};
};

4
arch/arm/boot/dts/stm32mp157c.dtsi
Просмотреть файл

@ -932,7 +932,7 @@
interrupt-names = "int0", "int1";
clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
clock-names = "hclk", "cclk";
bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
status = "disabled";
};
@ -945,7 +945,7 @@
interrupt-names = "int0", "int1";
clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
clock-names = "hclk", "cclk";
bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
status = "disabled";
};

1
arch/arm/boot/dts/sun8i-a83t-tbs-a711.dts
Просмотреть файл

@ -192,6 +192,7 @@
vqmmc-supply = <&reg_dldo1>;
non-removable;
wakeup-source;
keep-power-in-suspend;
status = "okay";
brcmf: wifi@1 {

6
arch/arm/mach-sunxi/mc_smp.c
Просмотреть файл

@ -481,14 +481,18 @@ static void sunxi_mc_smp_cpu_die(unsigned int l_cpu)
static int sunxi_cpu_powerdown(unsigned int cpu, unsigned int cluster)
{
u32 reg;
int gating_bit = cpu;
pr_debug("%s: cluster %u cpu %u\n", __func__, cluster, cpu);
if (cpu >= SUNXI_CPUS_PER_CLUSTER || cluster >= SUNXI_NR_CLUSTERS)
return -EINVAL;
if (is_a83t && cpu == 0)
gating_bit = 4;
/* gate processor power */
reg = readl(prcm_base + PRCM_PWROFF_GATING_REG(cluster));
reg |= PRCM_PWROFF_GATING_REG_CORE(cpu);
reg |= PRCM_PWROFF_GATING_REG_CORE(gating_bit);
writel(reg, prcm_base + PRCM_PWROFF_GATING_REG(cluster));
udelay(20);

2
arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dts
Просмотреть файл

@ -127,7 +127,7 @@
status = "okay";
i2c-mux@77 {
compatible = "nxp,pca9847";
compatible = "nxp,pca9547";
reg = <0x77>;
#address-cells = <1>;
#size-cells = <0>;

6
arch/arm64/boot/dts/freescale/imx8mm.dtsi
Просмотреть файл

@ -394,7 +394,7 @@
};
sdma2: dma-controller@302c0000 {
compatible = "fsl,imx8mm-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mm-sdma", "fsl,imx8mq-sdma";
reg = <0x302c0000 0x10000>;
interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MM_CLK_SDMA2_ROOT>,
@ -405,7 +405,7 @@
};
sdma3: dma-controller@302b0000 {
compatible = "fsl,imx8mm-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mm-sdma", "fsl,imx8mq-sdma";
reg = <0x302b0000 0x10000>;
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MM_CLK_SDMA3_ROOT>,
@ -737,7 +737,7 @@
};
sdma1: dma-controller@30bd0000 {
compatible = "fsl,imx8mm-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mm-sdma", "fsl,imx8mq-sdma";
reg = <0x30bd0000 0x10000>;
interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MM_CLK_SDMA1_ROOT>,

6
arch/arm64/boot/dts/freescale/imx8mn.dtsi
Просмотреть файл

@ -288,7 +288,7 @@
};
sdma3: dma-controller@302b0000 {
compatible = "fsl,imx8mn-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mn-sdma", "fsl,imx8mq-sdma";
reg = <0x302b0000 0x10000>;
interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MN_CLK_SDMA3_ROOT>,
@ -299,7 +299,7 @@
};
sdma2: dma-controller@302c0000 {
compatible = "fsl,imx8mn-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mn-sdma", "fsl,imx8mq-sdma";
reg = <0x302c0000 0x10000>;
interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MN_CLK_SDMA2_ROOT>,
@ -612,7 +612,7 @@
};
sdma1: dma-controller@30bd0000 {
compatible = "fsl,imx8mn-sdma", "fsl,imx7d-sdma";
compatible = "fsl,imx8mn-sdma", "fsl,imx8mq-sdma";
reg = <0x30bd0000 0x10000>;
interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk IMX8MN_CLK_SDMA1_ROOT>,

2
arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
Просмотреть файл

@ -88,7 +88,7 @@
regulator-name = "0V9_ARM";
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1000000>;
gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
states = <1000000 0x1
900000 0x0>;
regulator-always-on;

2
arch/arm64/include/asm/cputype.h
Просмотреть файл

@ -79,6 +79,7 @@
#define CAVIUM_CPU_PART_THUNDERX_83XX 0x0A3
#define CAVIUM_CPU_PART_THUNDERX2 0x0AF
#define BRCM_CPU_PART_BRAHMA_B53 0x100
#define BRCM_CPU_PART_VULCAN 0x516
#define QCOM_CPU_PART_FALKOR_V1 0x800
@ -105,6 +106,7 @@
#define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX)
#define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX)
#define MIDR_CAVIUM_THUNDERX2 MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX2)
#define MIDR_BRAHMA_B53 MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_BRAHMA_B53)
#define MIDR_BRCM_VULCAN MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN)
#define MIDR_QCOM_FALKOR_V1 MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR_V1)
#define MIDR_QCOM_FALKOR MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_FALKOR)

15
arch/arm64/include/asm/pgtable-prot.h
Просмотреть файл

@ -32,11 +32,11 @@
#define PROT_DEFAULT (_PROT_DEFAULT | PTE_MAYBE_NG)
#define PROT_SECT_DEFAULT (_PROT_SECT_DEFAULT | PMD_MAYBE_NG)
#define PROT_DEVICE_nGnRnE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC))
#define PROT_NORMAL_WT (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT))
#define PROT_NORMAL (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL))
#define PROT_DEVICE_nGnRnE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC))
#define PROT_NORMAL_WT (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT))
#define PROT_NORMAL (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL))
#define PROT_SECT_DEVICE_nGnRE (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_SECT_NORMAL (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_NORMAL))
@ -80,8 +80,9 @@
#define PAGE_S2_DEVICE __pgprot(_PROT_DEFAULT | PAGE_S2_MEMATTR(DEVICE_nGnRE) | PTE_S2_RDONLY | PTE_S2_XN)
#define PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_VALID) | PTE_PROT_NONE | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN)
#define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
/* shared+writable pages are clean by default, hence PTE_RDONLY|PTE_WRITE */
#define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_WRITE)
#define PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN)
#define PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN)
#define PAGE_EXECONLY __pgprot(_PAGE_DEFAULT | PTE_RDONLY | PTE_NG | PTE_PXN)

17
arch/arm64/include/asm/pgtable.h
Просмотреть файл

@ -283,23 +283,6 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
set_pte(ptep, pte);
}
#define __HAVE_ARCH_PTE_SAME
static inline int pte_same(pte_t pte_a, pte_t pte_b)
{
pteval_t lhs, rhs;
lhs = pte_val(pte_a);
rhs = pte_val(pte_b);
if (pte_present(pte_a))
lhs &= ~PTE_RDONLY;
if (pte_present(pte_b))
rhs &= ~PTE_RDONLY;
return (lhs == rhs);
}
/*
* Huge pte definitions.
*/

7
arch/arm64/include/asm/vdso/vsyscall.h
Просмотреть файл

@ -30,13 +30,6 @@ int __arm64_get_clock_mode(struct timekeeper *tk)
}
#define __arch_get_clock_mode __arm64_get_clock_mode
static __always_inline
int __arm64_use_vsyscall(struct vdso_data *vdata)
{
return !vdata[CS_HRES_COARSE].clock_mode;
}
#define __arch_use_vsyscall __arm64_use_vsyscall
static __always_inline
void __arm64_update_vsyscall(struct vdso_data *vdata, struct timekeeper *tk)
{

59
arch/arm64/kernel/cpu_errata.c
Просмотреть файл

@ -489,6 +489,7 @@ static const struct midr_range arm64_ssb_cpus[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
{},
};
@ -573,6 +574,7 @@ static const struct midr_range spectre_v2_safe_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_A35),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A53),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A55),
MIDR_ALL_VERSIONS(MIDR_BRAHMA_B53),
{ /* sentinel */ }
};
@ -659,17 +661,23 @@ static const struct midr_range arm64_harden_el2_vectors[] = {
#endif
#ifdef CONFIG_ARM64_WORKAROUND_REPEAT_TLBI
static const struct midr_range arm64_repeat_tlbi_cpus[] = {
static const struct arm64_cpu_capabilities arm64_repeat_tlbi_list[] = {
#ifdef CONFIG_QCOM_FALKOR_ERRATUM_1009
MIDR_RANGE(MIDR_QCOM_FALKOR_V1, 0, 0, 0, 0),
{
ERRATA_MIDR_REV(MIDR_QCOM_FALKOR_V1, 0, 0)
},
{
.midr_range.model = MIDR_QCOM_KRYO,
.matches = is_kryo_midr,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_1286807
MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
{
ERRATA_MIDR_RANGE(MIDR_CORTEX_A76, 0, 0, 3, 0),
},
#endif
{},
};
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_27456
@ -737,6 +745,33 @@ static const struct midr_range erratum_1418040_list[] = {
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_845719
static const struct midr_range erratum_845719_list[] = {
/* Cortex-A53 r0p[01234] */
MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
/* Brahma-B53 r0p[0] */
MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
{},
};
#endif
#ifdef CONFIG_ARM64_ERRATUM_843419
static const struct arm64_cpu_capabilities erratum_843419_list[] = {
{
/* Cortex-A53 r0p[01234] */
.matches = is_affected_midr_range,
ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
MIDR_FIXED(0x4, BIT(8)),
},
{
/* Brahma-B53 r0p[0] */
.matches = is_affected_midr_range,
ERRATA_MIDR_REV(MIDR_BRAHMA_B53, 0, 0),
},
{},
};
#endif
const struct arm64_cpu_capabilities arm64_errata[] = {
#ifdef CONFIG_ARM64_WORKAROUND_CLEAN_CACHE
{
@ -768,19 +803,18 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
#endif
#ifdef CONFIG_ARM64_ERRATUM_843419
{
/* Cortex-A53 r0p[01234] */
.desc = "ARM erratum 843419",
.capability = ARM64_WORKAROUND_843419,
ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
MIDR_FIXED(0x4, BIT(8)),
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = erratum_843419_list,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_845719
{
/* Cortex-A53 r0p[01234] */
.desc = "ARM erratum 845719",
.capability = ARM64_WORKAROUND_845719,
ERRATA_MIDR_REV_RANGE(MIDR_CORTEX_A53, 0, 0, 4),
ERRATA_MIDR_RANGE_LIST(erratum_845719_list),
},
#endif
#ifdef CONFIG_CAVIUM_ERRATUM_23154
@ -816,6 +850,7 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
{
.desc = "Qualcomm Technologies Falkor/Kryo erratum 1003",
.capability = ARM64_WORKAROUND_QCOM_FALKOR_E1003,
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = qcom_erratum_1003_list,
},
@ -824,7 +859,9 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
{
.desc = "Qualcomm erratum 1009, ARM erratum 1286807",
.capability = ARM64_WORKAROUND_REPEAT_TLBI,
ERRATA_MIDR_RANGE_LIST(arm64_repeat_tlbi_cpus),
.type = ARM64_CPUCAP_LOCAL_CPU_ERRATUM,
.matches = cpucap_multi_entry_cap_matches,
.match_list = arm64_repeat_tlbi_list,
},
#endif
#ifdef CONFIG_ARM64_ERRATUM_858921

7
arch/mips/include/asm/vdso/vsyscall.h
Просмотреть файл

@ -28,13 +28,6 @@ int __mips_get_clock_mode(struct timekeeper *tk)
}
#define __arch_get_clock_mode __mips_get_clock_mode
static __always_inline
int __mips_use_vsyscall(struct vdso_data *vdata)
{
return (vdata[CS_HRES_COARSE].clock_mode != VDSO_CLOCK_NONE);
}
#define __arch_use_vsyscall __mips_use_vsyscall
/* The asm-generic header needs to be included after the definitions above */
#include <asm-generic/vdso/vsyscall.h>

2
arch/parisc/kernel/entry.S
Просмотреть файл

@ -2125,7 +2125,7 @@ ftrace_regs_caller:
copy %rp, %r26
LDREG -FTRACE_FRAME_SIZE-PT_SZ_ALGN(%sp), %r25
ldo -8(%r25), %r25
copy %r3, %arg2
ldo -FTRACE_FRAME_SIZE(%r1), %arg2
b,l ftrace_function_trampoline, %rp
copy %r1, %arg3 /* struct pt_regs */

1
arch/powerpc/include/asm/book3s/32/kup.h
Просмотреть файл

@ -91,6 +91,7 @@
static inline void kuap_update_sr(u32 sr, u32 addr, u32 end)
{
addr &= 0xf0000000; /* align addr to start of segment */
barrier(); /* make sure thread.kuap is updated before playing with SRs */
while (addr < end) {
mtsrin(sr, addr);

3
arch/powerpc/include/asm/elf.h
Просмотреть файл

@ -175,4 +175,7 @@ do { \
ARCH_DLINFO_CACHE_GEOMETRY; \
} while (0)
/* Relocate the kernel image to @final_address */
void relocate(unsigned long final_address);
#endif /* _ASM_POWERPC_ELF_H */

13
arch/powerpc/kernel/prom_init.c
Просмотреть файл

@ -3249,7 +3249,20 @@ static void setup_secure_guest(unsigned long kbase, unsigned long fdt)
/* Switch to secure mode. */
prom_printf("Switching to secure mode.\n");
/*
* The ultravisor will do an integrity check of the kernel image but we
* relocated it so the check will fail. Restore the original image by
* relocating it back to the kernel virtual base address.
*/
if (IS_ENABLED(CONFIG_RELOCATABLE))
relocate(KERNELBASE);
ret = enter_secure_mode(kbase, fdt);
/* Relocate the kernel again. */
if (IS_ENABLED(CONFIG_RELOCATABLE))
relocate(kbase);
if (ret != U_SUCCESS) {
prom_printf("Returned %d from switching to secure mode.\n", ret);
prom_rtas_os_term("Switch to secure mode failed.\n");

3
arch/powerpc/kernel/prom_init_check.sh
Просмотреть файл

@ -26,7 +26,8 @@ _end enter_prom $MEM_FUNCS reloc_offset __secondary_hold
__secondary_hold_acknowledge __secondary_hold_spinloop __start
logo_linux_clut224 btext_prepare_BAT
reloc_got2 kernstart_addr memstart_addr linux_banner _stext
__prom_init_toc_start __prom_init_toc_end btext_setup_display TOC."
__prom_init_toc_start __prom_init_toc_end btext_setup_display TOC.
relocate"
NM="$1"
OBJ="$2"

13
arch/powerpc/net/bpf_jit_comp64.c
Просмотреть файл

@ -1141,6 +1141,19 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
goto out_addrs;
}
/*
* If we have seen a tail call, we need a second pass.
* This is because bpf_jit_emit_common_epilogue() is called
* from bpf_jit_emit_tail_call() with a not yet stable ctx->seen.
*/
if (cgctx.seen & SEEN_TAILCALL) {
cgctx.idx = 0;
if (bpf_jit_build_body(fp, 0, &cgctx, addrs, false)) {
fp = org_fp;
goto out_addrs;
}
}
/*
* Pretend to build prologue, given the features we've seen. This will
* update ctgtx.idx as it pretends to output instructions, then we can

2
arch/powerpc/platforms/powernv/eeh-powernv.c
Просмотреть файл

@ -42,7 +42,7 @@ void pnv_pcibios_bus_add_device(struct pci_dev *pdev)
{
struct pci_dn *pdn = pci_get_pdn(pdev);
if (eeh_has_flag(EEH_FORCE_DISABLED))
if (!pdn || eeh_has_flag(EEH_FORCE_DISABLED))
return;
dev_dbg(&pdev->dev, "EEH: Setting up device\n");

53
arch/powerpc/platforms/powernv/smp.c
Просмотреть файл

@ -146,20 +146,25 @@ static int pnv_smp_cpu_disable(void)
return 0;
}
static void pnv_flush_interrupts(void)
{
if (cpu_has_feature(CPU_FTR_ARCH_300)) {
if (xive_enabled())
xive_flush_interrupt();
else
icp_opal_flush_interrupt();
} else {
icp_native_flush_interrupt();
}
}
static void pnv_smp_cpu_kill_self(void)
{
unsigned long srr1, unexpected_mask, wmask;
unsigned int cpu;
unsigned long srr1, wmask;
u64 lpcr_val;
/* Standard hot unplug procedure */
/*
* This hard disables local interurpts, ensuring we have no lazy
* irqs pending.
*/
WARN_ON(irqs_disabled());
hard_irq_disable();
WARN_ON(lazy_irq_pending());
idle_task_exit();
current->active_mm = NULL; /* for sanity */
@ -172,6 +177,27 @@ static void pnv_smp_cpu_kill_self(void)
if (cpu_has_feature(CPU_FTR_ARCH_207S))
wmask = SRR1_WAKEMASK_P8;
/*
* This turns the irq soft-disabled state we're called with, into a
* hard-disabled state with pending irq_happened interrupts cleared.
*
* PACA_IRQ_DEC - Decrementer should be ignored.
* PACA_IRQ_HMI - Can be ignored, processing is done in real mode.
* PACA_IRQ_DBELL, EE, PMI - Unexpected.
*/
hard_irq_disable();
if (generic_check_cpu_restart(cpu))
goto out;
unexpected_mask = ~(PACA_IRQ_DEC | PACA_IRQ_HMI | PACA_IRQ_HARD_DIS);
if (local_paca->irq_happened & unexpected_mask) {
if (local_paca->irq_happened & PACA_IRQ_EE)
pnv_flush_interrupts();
DBG("CPU%d Unexpected exit while offline irq_happened=%lx!\n",
cpu, local_paca->irq_happened);
}
local_paca->irq_happened = PACA_IRQ_HARD_DIS;
/*
* We don't want to take decrementer interrupts while we are
* offline, so clear LPCR:PECE1. We keep PECE2 (and
@ -197,6 +223,7 @@ static void pnv_smp_cpu_kill_self(void)
srr1 = pnv_cpu_offline(cpu);
WARN_ON_ONCE(!irqs_disabled());
WARN_ON(lazy_irq_pending());
/*
@ -212,13 +239,7 @@ static void pnv_smp_cpu_kill_self(void)
*/
if (((srr1 & wmask) == SRR1_WAKEEE) ||
((srr1 & wmask) == SRR1_WAKEHVI)) {
if (cpu_has_feature(CPU_FTR_ARCH_300)) {
if (xive_enabled())
xive_flush_interrupt();
else
icp_opal_flush_interrupt();
} else
icp_native_flush_interrupt();
pnv_flush_interrupts();
} else if ((srr1 & wmask) == SRR1_WAKEHDBELL) {
unsigned long msg = PPC_DBELL_TYPE(PPC_DBELL_SERVER);
asm volatile(PPC_MSGCLR(%0) : : "r" (msg));
@ -266,7 +287,7 @@ static void pnv_smp_cpu_kill_self(void)
*/
lpcr_val = mfspr(SPRN_LPCR) | (u64)LPCR_PECE1;
pnv_program_cpu_hotplug_lpcr(cpu, lpcr_val);
out:
DBG("CPU%d coming online...\n", cpu);
}

7
arch/riscv/include/asm/io.h
Просмотреть файл

@ -13,6 +13,7 @@
#include <linux/types.h>
#include <asm/mmiowb.h>
#include <asm/pgtable.h>
extern void __iomem *ioremap(phys_addr_t offset, unsigned long size);
@ -161,6 +162,12 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
#define writeq(v,c) ({ __io_bw(); writeq_cpu((v),(c)); __io_aw(); })
#endif
/*
* I/O port access constants.
*/
#define IO_SPACE_LIMIT (PCI_IO_SIZE - 1)
#define PCI_IOBASE ((void __iomem *)PCI_IO_START)
/*
* Emulation routines for the port-mapped IO space used by some PCI drivers.
* These are defined as being "fully synchronous", but also "not guaranteed to

3
arch/riscv/include/asm/irq.h
Просмотреть файл

@ -7,6 +7,9 @@
#ifndef _ASM_RISCV_IRQ_H
#define _ASM_RISCV_IRQ_H
#include <linux/interrupt.h>
#include <linux/linkage.h>
#define NR_IRQS 0
void riscv_timer_interrupt(void);

7
arch/riscv/include/asm/pgtable.h
Просмотреть файл

@ -7,6 +7,7 @@
#define _ASM_RISCV_PGTABLE_H
#include <linux/mmzone.h>
#include <linux/sizes.h>
#include <asm/pgtable-bits.h>
@ -86,6 +87,7 @@ extern pgd_t swapper_pg_dir[];
#define VMALLOC_SIZE (KERN_VIRT_SIZE >> 1)
#define VMALLOC_END (PAGE_OFFSET - 1)
#define VMALLOC_START (PAGE_OFFSET - VMALLOC_SIZE)
#define PCI_IO_SIZE SZ_16M
/*
* Roughly size the vmemmap space to be large enough to fit enough
@ -100,7 +102,10 @@ extern pgd_t swapper_pg_dir[];
#define vmemmap ((struct page *)VMEMMAP_START)
#define FIXADDR_TOP (VMEMMAP_START)
#define PCI_IO_END VMEMMAP_START
#define PCI_IO_START (PCI_IO_END - PCI_IO_SIZE)
#define FIXADDR_TOP PCI_IO_START
#ifdef CONFIG_64BIT
#define FIXADDR_SIZE PMD_SIZE
#else

1
arch/riscv/include/asm/switch_to.h
Просмотреть файл

@ -6,6 +6,7 @@
#ifndef _ASM_RISCV_SWITCH_TO_H
#define _ASM_RISCV_SWITCH_TO_H
#include <linux/sched/task_stack.h>
#include <asm/processor.h>
#include <asm/ptrace.h>
#include <asm/csr.h>

1
arch/riscv/kernel/cpufeature.c
Просмотреть файл

@ -10,6 +10,7 @@
#include <asm/processor.h>
#include <asm/hwcap.h>
#include <asm/smp.h>
#include <asm/switch_to.h>
unsigned long elf_hwcap __read_mostly;
#ifdef CONFIG_FPU

21
arch/riscv/kernel/head.h Normal file
Просмотреть файл

@ -0,0 +1,21 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2019 SiFive, Inc.
*/
#ifndef __ASM_HEAD_H
#define __ASM_HEAD_H
#include <linux/linkage.h>
#include <linux/init.h>
extern atomic_t hart_lottery;
asmlinkage void do_page_fault(struct pt_regs *regs);
asmlinkage void __init setup_vm(uintptr_t dtb_pa);
extern void *__cpu_up_stack_pointer[];
extern void *__cpu_up_task_pointer[];
void __init parse_dtb(void);
#endif /* __ASM_HEAD_H */

2
arch/riscv/kernel/irq.c
Просмотреть файл

@ -24,7 +24,7 @@ int arch_show_interrupts(struct seq_file *p, int prec)
return 0;
}
asmlinkage void __irq_entry do_IRQ(struct pt_regs *regs)
asmlinkage __visible void __irq_entry do_IRQ(struct pt_regs *regs)
{
struct pt_regs *old_regs = set_irq_regs(regs);

1
arch/riscv/kernel/module-sections.c
Просмотреть файл

@ -8,6 +8,7 @@
#include <linux/elf.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleloader.h>
unsigned long module_emit_got_entry(struct module *mod, unsigned long val)
{

2
arch/riscv/kernel/process.c
Просмотреть файл

@ -7,6 +7,7 @@
* Copyright (C) 2017 SiFive
*/
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/sched/task_stack.h>
@ -19,6 +20,7 @@
#include <asm/csr.h>
#include <asm/string.h>
#include <asm/switch_to.h>
#include <asm/thread_info.h>
extern asmlinkage void ret_from_fork(void);
extern asmlinkage void ret_from_kernel_thread(void);

4
arch/riscv/kernel/ptrace.c
Просмотреть файл

@ -148,7 +148,7 @@ long arch_ptrace(struct task_struct *child, long request,
* Allows PTRACE_SYSCALL to work. These are called from entry.S in
* {handle,ret_from}_syscall.
*/
void do_syscall_trace_enter(struct pt_regs *regs)
__visible void do_syscall_trace_enter(struct pt_regs *regs)
{
if (test_thread_flag(TIF_SYSCALL_TRACE))
if (tracehook_report_syscall_entry(regs))
@ -162,7 +162,7 @@ void do_syscall_trace_enter(struct pt_regs *regs)
audit_syscall_entry(regs->a7, regs->a0, regs->a1, regs->a2, regs->a3);
}
void do_syscall_trace_exit(struct pt_regs *regs)
__visible void do_syscall_trace_exit(struct pt_regs *regs)
{
audit_syscall_exit(regs);

1
arch/riscv/kernel/reset.c
Просмотреть файл

@ -4,6 +4,7 @@
*/
#include <linux/reboot.h>
#include <linux/pm.h>
#include <asm/sbi.h>
static void default_power_off(void)

2
arch/riscv/kernel/setup.c
Просмотреть файл

@ -24,6 +24,8 @@
#include <asm/tlbflush.h>
#include <asm/thread_info.h>
#include "head.h"
#ifdef CONFIG_DUMMY_CONSOLE
struct screen_info screen_info = {
.orig_video_lines = 30,

8
arch/riscv/kernel/signal.c
Просмотреть файл

@ -26,7 +26,7 @@ struct rt_sigframe {
#ifdef CONFIG_FPU
static long restore_fp_state(struct pt_regs *regs,
union __riscv_fp_state *sc_fpregs)
union __riscv_fp_state __user *sc_fpregs)
{
long err;
struct __riscv_d_ext_state __user *state = &sc_fpregs->d;
@ -53,7 +53,7 @@ static long restore_fp_state(struct pt_regs *regs,
}
static long save_fp_state(struct pt_regs *regs,
union __riscv_fp_state *sc_fpregs)
union __riscv_fp_state __user *sc_fpregs)
{
long err;
struct __riscv_d_ext_state __user *state = &sc_fpregs->d;
@ -292,8 +292,8 @@ static void do_signal(struct pt_regs *regs)
* notification of userspace execution resumption
* - triggered by the _TIF_WORK_MASK flags
*/
asmlinkage void do_notify_resume(struct pt_regs *regs,
unsigned long thread_info_flags)
asmlinkage __visible void do_notify_resume(struct pt_regs *regs,
unsigned long thread_info_flags)
{
/* Handle pending signal delivery */
if (thread_info_flags & _TIF_SIGPENDING)

2
arch/riscv/kernel/smp.c
Просмотреть файл

@ -8,7 +8,9 @@
* Copyright (C) 2017 SiFive
*/
#include <linux/cpu.h>
#include <linux/interrupt.h>
#include <linux/profile.h>
#include <linux/smp.h>
#include <linux/sched.h>
#include <linux/seq_file.h>

5
arch/riscv/kernel/smpboot.c
Просмотреть файл

@ -29,6 +29,9 @@
#include <asm/tlbflush.h>
#include <asm/sections.h>
#include <asm/sbi.h>
#include <asm/smp.h>
#include "head.h"
void *__cpu_up_stack_pointer[NR_CPUS];
void *__cpu_up_task_pointer[NR_CPUS];
@ -130,7 +133,7 @@ void __init smp_cpus_done(unsigned int max_cpus)
/*
* C entry point for a secondary processor.
*/
asmlinkage void __init smp_callin(void)
asmlinkage __visible void __init smp_callin(void)
{
struct mm_struct *mm = &init_mm;

1
arch/riscv/kernel/syscall_table.c
Просмотреть файл

@ -8,6 +8,7 @@
#include <linux/syscalls.h>
#include <asm-generic/syscalls.h>
#include <asm/vdso.h>
#include <asm/syscall.h>
#undef __SYSCALL
#define __SYSCALL(nr, call) [nr] = (call),

1
arch/riscv/kernel/time.c
Просмотреть файл

@ -7,6 +7,7 @@
#include <linux/clocksource.h>
#include <linux/delay.h>
#include <asm/sbi.h>
#include <asm/processor.h>
unsigned long riscv_timebase;
EXPORT_SYMBOL_GPL(riscv_timebase);

5
arch/riscv/kernel/traps.c
Просмотреть файл

@ -3,6 +3,7 @@
* Copyright (C) 2012 Regents of the University of California
*/
#include <linux/cpu.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/sched.h>
@ -83,7 +84,7 @@ static void do_trap_error(struct pt_regs *regs, int signo, int code,
}
#define DO_ERROR_INFO(name, signo, code, str) \
asmlinkage void name(struct pt_regs *regs) \
asmlinkage __visible void name(struct pt_regs *regs) \
{ \
do_trap_error(regs, signo, code, regs->sepc, "Oops - " str); \
}
@ -120,7 +121,7 @@ static inline unsigned long get_break_insn_length(unsigned long pc)
return (((insn & __INSN_LENGTH_MASK) == __INSN_LENGTH_32) ? 4UL : 2UL);
}
asmlinkage void do_trap_break(struct pt_regs *regs)
asmlinkage __visible void do_trap_break(struct pt_regs *regs)
{
if (user_mode(regs))
force_sig_fault(SIGTRAP, TRAP_BRKPT, (void __user *)regs->sepc);

3
arch/riscv/kernel/vdso.c
Просмотреть файл

@ -6,6 +6,7 @@
* Copyright (C) 2015 Regents of the University of California
*/
#include <linux/elf.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/binfmts.h>
@ -25,7 +26,7 @@ static union {
struct vdso_data data;
u8 page[PAGE_SIZE];
} vdso_data_store __page_aligned_data;
struct vdso_data *vdso_data = &vdso_data_store.data;
static struct vdso_data *vdso_data = &vdso_data_store.data;
static int __init vdso_init(void)
{

1
arch/riscv/mm/context.c
Просмотреть файл

@ -7,6 +7,7 @@
#include <linux/mm.h>
#include <asm/tlbflush.h>
#include <asm/cacheflush.h>
#include <asm/mmu_context.h>
/*
* When necessary, performs a deferred icache flush for the given MM context,

2
arch/riscv/mm/fault.c
Просмотреть файл

@ -18,6 +18,8 @@
#include <asm/ptrace.h>
#include <asm/tlbflush.h>
#include "../kernel/head.h"
/*
* This routine handles page faults. It determines the address and the
* problem, and then passes it off to one of the appropriate routines.

5
arch/riscv/mm/init.c
Просмотреть файл

@ -19,6 +19,8 @@
#include <asm/pgtable.h>
#include <asm/io.h>
#include "../kernel/head.h"
unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
__page_aligned_bss;
EXPORT_SYMBOL(empty_zero_page);
@ -337,8 +339,7 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size)
*/
#ifndef __riscv_cmodel_medany
#error "setup_vm() is called from head.S before relocate so it should "
"not use absolute addressing."
#error "setup_vm() is called from head.S before relocate so it should not use absolute addressing."
#endif
asmlinkage void __init setup_vm(uintptr_t dtb_pa)

2
arch/riscv/mm/sifive_l2_cache.c
Просмотреть файл

@ -142,7 +142,7 @@ static irqreturn_t l2_int_handler(int irq, void *device)
return IRQ_HANDLED;
}
int __init sifive_l2_init(void)
static int __init sifive_l2_init(void)
{
struct device_node *np;
struct resource res;

1
arch/s390/include/asm/unwind.h
Просмотреть файл

@ -35,6 +35,7 @@ struct unwind_state {
struct task_struct *task;
struct pt_regs *regs;
unsigned long sp, ip;
bool reuse_sp;
int graph_idx;
bool reliable;
bool error;

29
arch/s390/kernel/idle.c
Просмотреть файл

@ -69,18 +69,26 @@ DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL);
static ssize_t show_idle_time(struct device *dev,
struct device_attribute *attr, char *buf)
{
unsigned long long now, idle_time, idle_enter, idle_exit, in_idle;
struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);
unsigned long long now, idle_time, idle_enter, idle_exit;
unsigned int seq;
do {
now = get_tod_clock();
seq = read_seqcount_begin(&idle->seqcount);
idle_time = READ_ONCE(idle->idle_time);
idle_enter = READ_ONCE(idle->clock_idle_enter);
idle_exit = READ_ONCE(idle->clock_idle_exit);
} while (read_seqcount_retry(&idle->seqcount, seq));
idle_time += idle_enter ? ((idle_exit ? : now) - idle_enter) : 0;
in_idle = 0;
now = get_tod_clock();
if (idle_enter) {
if (idle_exit) {
in_idle = idle_exit - idle_enter;
} else if (now > idle_enter) {
in_idle = now - idle_enter;
}
}
idle_time += in_idle;
return sprintf(buf, "%llu\n", idle_time >> 12);
}
DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL);
@ -88,17 +96,24 @@ DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL);
u64 arch_cpu_idle_time(int cpu)
{
struct s390_idle_data *idle = &per_cpu(s390_idle, cpu);
unsigned long long now, idle_enter, idle_exit;
unsigned long long now, idle_enter, idle_exit, in_idle;
unsigned int seq;
do {
now = get_tod_clock();
seq = read_seqcount_begin(&idle->seqcount);
idle_enter = READ_ONCE(idle->clock_idle_enter);
idle_exit = READ_ONCE(idle->clock_idle_exit);
} while (read_seqcount_retry(&idle->seqcount, seq));
return cputime_to_nsecs(idle_enter ? ((idle_exit ?: now) - idle_enter) : 0);
in_idle = 0;
now = get_tod_clock();
if (idle_enter) {
if (idle_exit) {
in_idle = idle_exit - idle_enter;
} else if (now > idle_enter) {
in_idle = now - idle_enter;
}
}
return cputime_to_nsecs(in_idle);
}
void arch_cpu_idle_enter(void)

18
arch/s390/kernel/unwind_bc.c
Просмотреть файл

@ -46,10 +46,15 @@ bool unwind_next_frame(struct unwind_state *state)
regs = state->regs;
if (unlikely(regs)) {
sp = READ_ONCE_NOCHECK(regs->gprs[15]);
if (unlikely(outside_of_stack(state, sp))) {
if (!update_stack_info(state, sp))
goto out_err;
if (state->reuse_sp) {
sp = state->sp;
state->reuse_sp = false;
} else {
sp = READ_ONCE_NOCHECK(regs->gprs[15]);
if (unlikely(outside_of_stack(state, sp))) {
if (!update_stack_info(state, sp))
goto out_err;
}
}
sf = (struct stack_frame *) sp;
ip = READ_ONCE_NOCHECK(sf->gprs[8]);
@ -107,9 +112,9 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
{
struct stack_info *info = &state->stack_info;
unsigned long *mask = &state->stack_mask;
bool reliable, reuse_sp;
struct stack_frame *sf;
unsigned long ip;
bool reliable;
memset(state, 0, sizeof(*state));
state->task = task;
@ -134,10 +139,12 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
if (regs) {
ip = READ_ONCE_NOCHECK(regs->psw.addr);
reliable = true;
reuse_sp = true;
} else {
sf = (struct stack_frame *) sp;
ip = READ_ONCE_NOCHECK(sf->gprs[8]);
reliable = false;
reuse_sp = false;
}
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
@ -151,5 +158,6 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
state->sp = sp;
state->ip = ip;
state->reliable = reliable;
state->reuse_sp = reuse_sp;
}
EXPORT_SYMBOL_GPL(__unwind_start);

12
arch/s390/mm/cmm.c
Просмотреть файл

@ -298,16 +298,16 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
}
if (write) {
len = *lenp;
if (copy_from_user(buf, buffer,
len > sizeof(buf) ? sizeof(buf) : len))
len = min(*lenp, sizeof(buf));
if (copy_from_user(buf, buffer, len))
return -EFAULT;
buf[sizeof(buf) - 1] = '\0';
buf[len - 1] = '\0';
cmm_skip_blanks(buf, &p);
nr = simple_strtoul(p, &p, 0);
cmm_skip_blanks(p, &p);
seconds = simple_strtoul(p, &p, 0);
cmm_set_timeout(nr, seconds);
*ppos += *lenp;
} else {
len = sprintf(buf, "%ld %ld\n",
cmm_timeout_pages, cmm_timeout_seconds);
@ -315,9 +315,9 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
len = *lenp;
if (copy_to_user(buffer, buf, len))
return -EFAULT;
*lenp = len;
*ppos += len;
}
*lenp = len;
*ppos += len;
return 0;
}

8
arch/um/drivers/ubd_kern.c
Просмотреть файл

@ -1403,8 +1403,12 @@ static blk_status_t ubd_queue_rq(struct blk_mq_hw_ctx *hctx,
spin_unlock_irq(&ubd_dev->lock);
if (ret < 0)
blk_mq_requeue_request(req, true);
if (ret < 0) {
if (ret == -ENOMEM)
res = BLK_STS_RESOURCE;
else
res = BLK_STS_DEV_RESOURCE;
}
return res;
}

4
arch/x86/boot/compressed/eboot.c
Просмотреть файл

@ -13,6 +13,7 @@
#include <asm/e820/types.h>
#include <asm/setup.h>
#include <asm/desc.h>
#include <asm/boot.h>
#include "../string.h"
#include "eboot.h"
@ -813,7 +814,8 @@ efi_main(struct efi_config *c, struct boot_params *boot_params)
status = efi_relocate_kernel(sys_table, &bzimage_addr,
hdr->init_size, hdr->init_size,
hdr->pref_address,
hdr->kernel_alignment);
hdr->kernel_alignment,
LOAD_PHYSICAL_ADDR);
if (status != EFI_SUCCESS) {
efi_printk(sys_table, "efi_relocate_kernel() failed!\n");
goto fail;

28
arch/x86/kernel/apic/apic.c
Просмотреть файл

@ -1586,9 +1586,6 @@ static void setup_local_APIC(void)
{
int cpu = smp_processor_id();
unsigned int value;
#ifdef CONFIG_X86_32
int logical_apicid, ldr_apicid;
#endif
if (disable_apic) {
disable_ioapic_support();
@ -1626,16 +1623,21 @@ static void setup_local_APIC(void)
apic->init_apic_ldr();
#ifdef CONFIG_X86_32
/*
* APIC LDR is initialized. If logical_apicid mapping was
* initialized during get_smp_config(), make sure it matches the
* actual value.
*/
logical_apicid = early_per_cpu(x86_cpu_to_logical_apicid, cpu);
ldr_apicid = GET_APIC_LOGICAL_ID(apic_read(APIC_LDR));
WARN_ON(logical_apicid != BAD_APICID && logical_apicid != ldr_apicid);
/* always use the value from LDR */
early_per_cpu(x86_cpu_to_logical_apicid, cpu) = ldr_apicid;
if (apic->dest_logical) {
int logical_apicid, ldr_apicid;
/*
* APIC LDR is initialized. If logical_apicid mapping was
* initialized during get_smp_config(), make sure it matches
* the actual value.
*/
logical_apicid = early_per_cpu(x86_cpu_to_logical_apicid, cpu);
ldr_apicid = GET_APIC_LOGICAL_ID(apic_read(APIC_LDR));
if (logical_apicid != BAD_APICID)
WARN_ON(logical_apicid != ldr_apicid);
/* Always use the value from LDR. */
early_per_cpu(x86_cpu_to_logical_apicid, cpu) = ldr_apicid;
}
#endif
/*

4
arch/x86/kernel/cpu/resctrl/ctrlmondata.c
Просмотреть файл

@ -522,6 +522,10 @@ int rdtgroup_mondata_show(struct seq_file *m, void *arg)
int ret = 0;
rdtgrp = rdtgroup_kn_lock_live(of->kn);
if (!rdtgrp) {
ret = -ENOENT;
goto out;
}
md.priv = of->kn->priv;
resid = md.u.rid;

7
arch/x86/kernel/dumpstack_64.c
Просмотреть файл

@ -94,6 +94,13 @@ static bool in_exception_stack(unsigned long *stack, struct stack_info *info)
BUILD_BUG_ON(N_EXCEPTION_STACKS != 6);
begin = (unsigned long)__this_cpu_read(cea_exception_stacks);
/*
* Handle the case where stack trace is collected _before_
* cea_exception_stacks had been initialized.
*/
if (!begin)
return false;
end = begin + sizeof(struct cea_exception_stacks);
/* Bail if @stack is outside the exception stack area. */
if (stk < begin || stk >= end)

3
arch/x86/kernel/tsc.c
Просмотреть файл

@ -1505,6 +1505,9 @@ void __init tsc_init(void)
return;
}
if (tsc_clocksource_reliable || no_tsc_watchdog)
clocksource_tsc_early.flags &= ~CLOCK_SOURCE_MUST_VERIFY;
clocksource_register_khz(&clocksource_tsc_early, tsc_khz);
detect_art();
}

10
arch/x86/kvm/svm.c
Просмотреть файл

@ -734,8 +734,14 @@ static int get_npt_level(struct kvm_vcpu *vcpu)
static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
vcpu->arch.efer = efer;
if (!npt_enabled && !(efer & EFER_LMA))
efer &= ~EFER_LME;
if (!npt_enabled) {
/* Shadow paging assumes NX to be available. */
efer |= EFER_NX;
if (!(efer & EFER_LMA))
efer &= ~EFER_LME;
}
to_svm(vcpu)->vmcb->save.efer = efer | EFER_SVME;
mark_dirty(to_svm(vcpu)->vmcb, VMCB_CR);

14
arch/x86/kvm/vmx/vmx.c
Просмотреть файл

@ -969,17 +969,9 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
u64 guest_efer = vmx->vcpu.arch.efer;
u64 ignore_bits = 0;
if (!enable_ept) {
/*
* NX is needed to handle CR0.WP=1, CR4.SMEP=1. Testing
* host CPUID is more efficient than testing guest CPUID
* or CR4. Host SMEP is anyway a requirement for guest SMEP.
*/
if (boot_cpu_has(X86_FEATURE_SMEP))
guest_efer |= EFER_NX;
else if (!(guest_efer & EFER_NX))
ignore_bits |= EFER_NX;
}
/* Shadow paging assumes NX to be available. */
if (!enable_ept)
guest_efer |= EFER_NX;
/*
* LMA and LME handled by hardware; SCE meaningless outside long mode.

13
block/blk-cgroup.c
Просмотреть файл

@ -934,9 +934,14 @@ static int blkcg_print_stat(struct seq_file *sf, void *v)
int i;
bool has_stats = false;
spin_lock_irq(&blkg->q->queue_lock);
if (!blkg->online)
goto skip;
dname = blkg_dev_name(blkg);
if (!dname)
continue;
goto skip;
/*
* Hooray string manipulation, count is the size written NOT
@ -946,8 +951,6 @@ static int blkcg_print_stat(struct seq_file *sf, void *v)
*/
off += scnprintf(buf+off, size-off, "%s ", dname);
spin_lock_irq(&blkg->q->queue_lock);
blkg_rwstat_recursive_sum(blkg, NULL,
offsetof(struct blkcg_gq, stat_bytes), &rwstat);
rbytes = rwstat.cnt[BLKG_RWSTAT_READ];
@ -960,8 +963,6 @@ static int blkcg_print_stat(struct seq_file *sf, void *v)
wios = rwstat.cnt[BLKG_RWSTAT_WRITE];
dios = rwstat.cnt[BLKG_RWSTAT_DISCARD];
spin_unlock_irq(&blkg->q->queue_lock);
if (rbytes || wbytes || rios || wios) {
has_stats = true;
off += scnprintf(buf+off, size-off,
@ -999,6 +1000,8 @@ static int blkcg_print_stat(struct seq_file *sf, void *v)
seq_commit(sf, -1);
}
}
skip:
spin_unlock_irq(&blkg->q->queue_lock);
}
rcu_read_unlock();

4
block/blk-iocost.c
Просмотреть файл

@ -2110,10 +2110,10 @@ static ssize_t ioc_weight_write(struct kernfs_open_file *of, char *buf,
goto einval;
}
spin_lock_irq(&iocg->ioc->lock);
spin_lock(&iocg->ioc->lock);
iocg->cfg_weight = v;
weight_updated(iocg);
spin_unlock_irq(&iocg->ioc->lock);
spin_unlock(&iocg->ioc->lock);
blkg_conf_finish(&ctx);
return nbytes;

34
drivers/acpi/processor_perflib.c
Просмотреть файл

@ -159,26 +159,34 @@ void acpi_processor_ignore_ppc_init(void)
void acpi_processor_ppc_init(struct cpufreq_policy *policy)
{
int cpu = policy->cpu;
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
unsigned int cpu;
if (!pr)
return;
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
ret = freq_qos_add_request(&policy->constraints, &pr->perflib_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu,
ret);
if (!pr)
continue;
ret = freq_qos_add_request(&policy->constraints,
&pr->perflib_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n",
cpu, ret);
}
}
void acpi_processor_ppc_exit(struct cpufreq_policy *policy)
{
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
unsigned int cpu;
if (pr)
freq_qos_remove_request(&pr->perflib_req);
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
if (pr)
freq_qos_remove_request(&pr->perflib_req);
}
}
static int acpi_processor_get_performance_control(struct acpi_processor *pr)

34
drivers/acpi/processor_thermal.c
Просмотреть файл

@ -127,26 +127,34 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
void acpi_thermal_cpufreq_init(struct cpufreq_policy *policy)
{
int cpu = policy->cpu;
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
unsigned int cpu;
if (!pr)
return;
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, cpu);
int ret;
ret = freq_qos_add_request(&policy->constraints, &pr->thermal_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n", cpu,
ret);
if (!pr)
continue;
ret = freq_qos_add_request(&policy->constraints,
&pr->thermal_req,
FREQ_QOS_MAX, INT_MAX);
if (ret < 0)
pr_err("Failed to add freq constraint for CPU%d (%d)\n",
cpu, ret);
}
}
void acpi_thermal_cpufreq_exit(struct cpufreq_policy *policy)
{
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
unsigned int cpu;
if (pr)
freq_qos_remove_request(&pr->thermal_req);
for_each_cpu(cpu, policy->related_cpus) {
struct acpi_processor *pr = per_cpu(processors, policy->cpu);
if (pr)
freq_qos_remove_request(&pr->thermal_req);
}
}
#else /* ! CONFIG_CPU_FREQ */
static int cpufreq_get_max_state(unsigned int cpu)

1
drivers/block/drbd/drbd_main.c
Просмотреть файл

@ -786,7 +786,6 @@ int __drbd_send_protocol(struct drbd_connection *connection, enum drbd_packet cm
if (nc->tentative && connection->agreed_pro_version < 92) {
rcu_read_unlock();
mutex_unlock(&sock->mutex);
drbd_err(connection, "--dry-run is not supported by peer");
return -EOPNOTSUPP;
}

5
drivers/clk/at91/clk-main.c
Просмотреть файл

@ -297,7 +297,10 @@ static int clk_main_probe_frequency(struct regmap *regmap)
regmap_read(regmap, AT91_CKGR_MCFR, &mcfr);
if (mcfr & AT91_PMC_MAINRDY)
return 0;
usleep_range(MAINF_LOOP_MIN_WAIT, MAINF_LOOP_MAX_WAIT);
if (system_state < SYSTEM_RUNNING)
udelay(MAINF_LOOP_MIN_WAIT);
else
usleep_range(MAINF_LOOP_MIN_WAIT, MAINF_LOOP_MAX_WAIT);
} while (time_before(prep_time, timeout));
return -ETIMEDOUT;

1
drivers/clk/at91/sam9x60.c
Просмотреть файл

@ -43,6 +43,7 @@ static const struct clk_pll_characteristics upll_characteristics = {
};
static const struct clk_programmable_layout sam9x60_programmable_layout = {
.pres_mask = 0xff,
.pres_shift = 8,
.css_mask = 0x1f,
.have_slck_mck = 0,

20
drivers/clk/at91/sckc.c
Просмотреть файл

@ -76,7 +76,10 @@ static int clk_slow_osc_prepare(struct clk_hw *hw)
writel(tmp | osc->bits->cr_osc32en, sckcr);
usleep_range(osc->startup_usec, osc->startup_usec + 1);
if (system_state < SYSTEM_RUNNING)
udelay(osc->startup_usec);
else
usleep_range(osc->startup_usec, osc->startup_usec + 1);
return 0;
}
@ -187,7 +190,10 @@ static int clk_slow_rc_osc_prepare(struct clk_hw *hw)
writel(readl(sckcr) | osc->bits->cr_rcen, sckcr);
usleep_range(osc->startup_usec, osc->startup_usec + 1);
if (system_state < SYSTEM_RUNNING)
udelay(osc->startup_usec);
else
usleep_range(osc->startup_usec, osc->startup_usec + 1);
return 0;
}
@ -288,7 +294,10 @@ static int clk_sam9x5_slow_set_parent(struct clk_hw *hw, u8 index)
writel(tmp, sckcr);
usleep_range(SLOWCK_SW_TIME_USEC, SLOWCK_SW_TIME_USEC + 1);
if (system_state < SYSTEM_RUNNING)
udelay(SLOWCK_SW_TIME_USEC);
else
usleep_range(SLOWCK_SW_TIME_USEC, SLOWCK_SW_TIME_USEC + 1);
return 0;
}
@ -533,7 +542,10 @@ static int clk_sama5d4_slow_osc_prepare(struct clk_hw *hw)
return 0;
}
usleep_range(osc->startup_usec, osc->startup_usec + 1);
if (system_state < SYSTEM_RUNNING)
udelay(osc->startup_usec);
else
usleep_range(osc->startup_usec, osc->startup_usec + 1);
osc->prepared = true;
return 0;

7
drivers/clk/clk-ast2600.c
Просмотреть файл

@ -266,10 +266,11 @@ static int aspeed_g6_clk_enable(struct clk_hw *hw)
/* Enable clock */
if (gate->flags & CLK_GATE_SET_TO_DISABLE) {
regmap_write(gate->map, get_clock_reg(gate), clk);
} else {
/* Use set to clear register */
/* Clock is clear to enable, so use set to clear register */
regmap_write(gate->map, get_clock_reg(gate) + 0x04, clk);
} else {
/* Clock is set to enable, so use write to set register */
regmap_write(gate->map, get_clock_reg(gate), clk);
}
if (gate->reset_idx >= 0) {

2
drivers/clk/imx/clk-imx8mm.c
Просмотреть файл

@ -638,7 +638,7 @@ static int imx8mm_clocks_probe(struct platform_device *pdev)
clks[IMX8MM_CLK_A53_DIV],
clks[IMX8MM_CLK_A53_SRC],
clks[IMX8MM_ARM_PLL_OUT],
clks[IMX8MM_CLK_24M]);
clks[IMX8MM_SYS_PLL1_800M]);
imx_check_clocks(clks, ARRAY_SIZE(clks));

2
drivers/clk/imx/clk-imx8mn.c
Просмотреть файл

@ -610,7 +610,7 @@ static int imx8mn_clocks_probe(struct platform_device *pdev)
clks[IMX8MN_CLK_A53_DIV],
clks[IMX8MN_CLK_A53_SRC],
clks[IMX8MN_ARM_PLL_OUT],
clks[IMX8MN_CLK_24M]);
clks[IMX8MN_SYS_PLL1_800M]);
imx_check_clocks(clks, ARRAY_SIZE(clks));

13
drivers/clk/meson/g12a.c
Просмотреть файл

@ -343,6 +343,7 @@ static struct clk_regmap g12a_cpu_clk_premux0 = {
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x3,
.shift = 0,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_clk_dyn0_sel",
@ -353,8 +354,7 @@ static struct clk_regmap g12a_cpu_clk_premux0 = {
{ .hw = &g12a_fclk_div3.hw },
},
.num_parents = 3,
/* This sub-tree is used a parking clock */
.flags = CLK_SET_RATE_NO_REPARENT,
.flags = CLK_SET_RATE_PARENT,
},
};
@ -410,6 +410,7 @@ static struct clk_regmap g12a_cpu_clk_postmux0 = {
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x1,
.shift = 2,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_clk_dyn0",
@ -466,6 +467,7 @@ static struct clk_regmap g12a_cpu_clk_dyn = {
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x1,
.shift = 10,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_clk_dyn",
@ -485,6 +487,7 @@ static struct clk_regmap g12a_cpu_clk = {
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x1,
.shift = 11,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_clk",
@ -504,6 +507,7 @@ static struct clk_regmap g12b_cpu_clk = {
.offset = HHI_SYS_CPU_CLK_CNTL0,
.mask = 0x1,
.shift = 11,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpu_clk",
@ -523,6 +527,7 @@ static struct clk_regmap g12b_cpub_clk_premux0 = {
.offset = HHI_SYS_CPUB_CLK_CNTL,
.mask = 0x3,
.shift = 0,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpub_clk_dyn0_sel",
@ -533,6 +538,7 @@ static struct clk_regmap g12b_cpub_clk_premux0 = {
{ .hw = &g12a_fclk_div3.hw },
},
.num_parents = 3,
.flags = CLK_SET_RATE_PARENT,
},
};
@ -567,6 +573,7 @@ static struct clk_regmap g12b_cpub_clk_postmux0 = {
.offset = HHI_SYS_CPUB_CLK_CNTL,
.mask = 0x1,
.shift = 2,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpub_clk_dyn0",
@ -644,6 +651,7 @@ static struct clk_regmap g12b_cpub_clk_dyn = {
.offset = HHI_SYS_CPUB_CLK_CNTL,
.mask = 0x1,
.shift = 10,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpub_clk_dyn",
@ -663,6 +671,7 @@ static struct clk_regmap g12b_cpub_clk = {
.offset = HHI_SYS_CPUB_CLK_CNTL,
.mask = 0x1,
.shift = 11,
.flags = CLK_MUX_ROUND_CLOSEST,
},
.hw.init = &(struct clk_init_data){
.name = "cpub_clk",

1
drivers/clk/meson/gxbb.c
Просмотреть файл

@ -935,6 +935,7 @@ static struct clk_regmap gxbb_sar_adc_clk_div = {
&gxbb_sar_adc_clk_sel.hw
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
},
};

27
drivers/clk/samsung/clk-exynos5420.c
Просмотреть файл

@ -165,12 +165,18 @@ static const unsigned long exynos5x_clk_regs[] __initconst = {
GATE_BUS_CPU,
GATE_SCLK_CPU,
CLKOUT_CMU_CPU,
CPLL_CON0,
DPLL_CON0,
EPLL_CON0,
EPLL_CON1,
EPLL_CON2,
RPLL_CON0,
RPLL_CON1,
RPLL_CON2,
IPLL_CON0,
SPLL_CON0,
VPLL_CON0,
MPLL_CON0,
SRC_TOP0,
SRC_TOP1,
SRC_TOP2,
@ -1172,8 +1178,6 @@ static const struct samsung_gate_clock exynos5x_gate_clks[] __initconst = {
GATE(CLK_SCLK_ISP_SENSOR2, "sclk_isp_sensor2", "dout_isp_sensor2",
GATE_TOP_SCLK_ISP, 12, CLK_SET_RATE_PARENT, 0),
GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0),
/* CDREX */
GATE(CLK_CLKM_PHY0, "clkm_phy0", "dout_sclk_cdrex",
GATE_BUS_CDREX0, 0, 0, 0),
@ -1248,6 +1252,15 @@ static struct exynos5_subcmu_reg_dump exynos5x_gsc_suspend_regs[] = {
{ DIV2_RATIO0, 0, 0x30 }, /* DIV dout_gscl_blk_300 */
};
static const struct samsung_gate_clock exynos5x_g3d_gate_clks[] __initconst = {
GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0),
};
static struct exynos5_subcmu_reg_dump exynos5x_g3d_suspend_regs[] = {
{ GATE_IP_G3D, 0x3ff, 0x3ff }, /* G3D gates */
{ SRC_TOP5, 0, BIT(16) }, /* MUX mout_user_aclk_g3d */
};
static const struct samsung_div_clock exynos5x_mfc_div_clks[] __initconst = {
DIV(0, "dout_mfc_blk", "mout_user_aclk333", DIV4_RATIO, 0, 2),
};
@ -1320,6 +1333,14 @@ static const struct exynos5_subcmu_info exynos5x_gsc_subcmu = {
.pd_name = "GSC",
};
static const struct exynos5_subcmu_info exynos5x_g3d_subcmu = {
.gate_clks = exynos5x_g3d_gate_clks,
.nr_gate_clks = ARRAY_SIZE(exynos5x_g3d_gate_clks),
.suspend_regs = exynos5x_g3d_suspend_regs,
.nr_suspend_regs = ARRAY_SIZE(exynos5x_g3d_suspend_regs),
.pd_name = "G3D",
};
static const struct exynos5_subcmu_info exynos5x_mfc_subcmu = {
.div_clks = exynos5x_mfc_div_clks,
.nr_div_clks = ARRAY_SIZE(exynos5x_mfc_div_clks),
@ -1351,6 +1372,7 @@ static const struct exynos5_subcmu_info exynos5800_mau_subcmu = {
static const struct exynos5_subcmu_info *exynos5x_subcmus[] = {
&exynos5x_disp_subcmu,
&exynos5x_gsc_subcmu,
&exynos5x_g3d_subcmu,
&exynos5x_mfc_subcmu,
&exynos5x_mscl_subcmu,
};
@ -1358,6 +1380,7 @@ static const struct exynos5_subcmu_info *exynos5x_subcmus[] = {
static const struct exynos5_subcmu_info *exynos5800_subcmus[] = {
&exynos5x_disp_subcmu,
&exynos5x_gsc_subcmu,
&exynos5x_g3d_subcmu,
&exynos5x_mfc_subcmu,
&exynos5x_mscl_subcmu,
&exynos5800_mau_subcmu,

14
drivers/clk/samsung/clk-exynos5433.c
Просмотреть файл

@ -13,6 +13,7 @@
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <dt-bindings/clock/exynos5433.h>
@ -5584,6 +5585,8 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev)
data->clk_save = samsung_clk_alloc_reg_dump(info->clk_regs,
info->nr_clk_regs);
if (!data->clk_save)
return -ENOMEM;
data->nr_clk_save = info->nr_clk_regs;
data->clk_suspend = info->suspend_regs;
data->nr_clk_suspend = info->nr_suspend_regs;
@ -5592,12 +5595,19 @@ static int __init exynos5433_cmu_probe(struct platform_device *pdev)
if (data->nr_pclks > 0) {
data->pclks = devm_kcalloc(dev, sizeof(struct clk *),
data->nr_pclks, GFP_KERNEL);
if (!data->pclks) {
kfree(data->clk_save);
return -ENOMEM;
}
for (i = 0; i < data->nr_pclks; i++) {
struct clk *clk = of_clk_get(dev->of_node, i);
if (IS_ERR(clk))
if (IS_ERR(clk)) {
kfree(data->clk_save);
while (--i >= 0)
clk_put(data->pclks[i]);
return PTR_ERR(clk);
}
data->pclks[i] = clk;
}
}

2
drivers/clk/sunxi-ng/ccu-sun9i-a80.c
Просмотреть файл

@ -1224,7 +1224,7 @@ static int sun9i_a80_ccu_probe(struct platform_device *pdev)
/* Enforce d1 = 0, d2 = 0 for Audio PLL */
val = readl(reg + SUN9I_A80_PLL_AUDIO_REG);
val &= (BIT(16) & BIT(18));
val &= ~(BIT(16) | BIT(18));
writel(val, reg + SUN9I_A80_PLL_AUDIO_REG);
/* Enforce P = 1 for both CPU cluster PLLs */

4
drivers/clk/sunxi/clk-sunxi.c
Просмотреть файл

@ -1080,8 +1080,8 @@ static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node,
rate_hw, rate_ops,
gate_hw, &clk_gate_ops,
clkflags |
data->div[i].critical ?
CLK_IS_CRITICAL : 0);
(data->div[i].critical ?
CLK_IS_CRITICAL : 0));
WARN_ON(IS_ERR(clk_data->clks[i]));
}

6
drivers/clk/ti/clk-dra7-atl.c
Просмотреть файл

@ -174,7 +174,6 @@ static void __init of_dra7_atl_clock_setup(struct device_node *node)
struct clk_init_data init = { NULL };
const char **parent_names = NULL;
struct clk *clk;
int ret;
clk_hw = kzalloc(sizeof(*clk_hw), GFP_KERNEL);
if (!clk_hw) {
@ -207,11 +206,6 @@ static void __init of_dra7_atl_clock_setup(struct device_node *node)
clk = ti_clk_register(NULL, &clk_hw->hw, node->name);
if (!IS_ERR(clk)) {
ret = ti_clk_add_alias(NULL, clk, node->name);
if (ret) {
clk_unregister(clk);
goto cleanup;
}
of_clk_add_provider(node, of_clk_src_simple_get, clk);
kfree(parent_names);
return;

5
drivers/clk/ti/clkctrl.c
Просмотреть файл

@ -100,11 +100,12 @@ static bool _omap4_is_timeout(union omap4_timeout *time, u32 timeout)
* can be from a timer that requires pm_runtime access, which
* will eventually bring us here with timekeeping_suspended,
* during both suspend entry and resume paths. This happens
* at least on am43xx platform.
* at least on am43xx platform. Account for flakeyness
* with udelay() by multiplying the timeout value by 2.
*/
if (unlikely(_early_timeout || timekeeping_suspended)) {
if (time->cycles++ < timeout) {
udelay(1);
udelay(1 * 2);
return false;
}
} else {

16
drivers/clocksource/sh_mtu2.c
Просмотреть файл

@ -328,12 +328,13 @@ static int sh_mtu2_register(struct sh_mtu2_channel *ch, const char *name)
return 0;
}
static const unsigned int sh_mtu2_channel_offsets[] = {
0x300, 0x380, 0x000,
};
static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index,
struct sh_mtu2_device *mtu)
{
static const unsigned int channel_offsets[] = {
0x300, 0x380, 0x000,
};
char name[6];
int irq;
int ret;
@ -356,7 +357,7 @@ static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch, unsigned int index,
return ret;
}
ch->base = mtu->mapbase + channel_offsets[index];
ch->base = mtu->mapbase + sh_mtu2_channel_offsets[index];
ch->index = index;
return sh_mtu2_register(ch, dev_name(&mtu->pdev->dev));
@ -408,7 +409,12 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu,
}
/* Allocate and setup the channels. */
mtu->num_channels = 3;
ret = platform_irq_count(pdev);
if (ret < 0)
goto err_unmap;
mtu->num_channels = min_t(unsigned int, ret,
ARRAY_SIZE(sh_mtu2_channel_offsets));
mtu->channels = kcalloc(mtu->num_channels, sizeof(*mtu->channels),
GFP_KERNEL);

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