Commit Graph

129978 Commits

Author SHA1 Message Date
Andy Lutomirski
b9d989c721 x86/asm: Move the thread_info::status field to thread_struct
Because sched.h and thread_info.h are a tangled mess, I turned
in_compat_syscall() into a macro.  If we had current_thread_struct()
or similar and we could use it from thread_info.h, then this would
be a bit cleaner.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jann Horn <jann@thejh.net>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/ccc8a1b2f41f9c264a41f771bb4a6539a642ad72.1473801993.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:25:12 +02:00
Ingo Molnar
d4b80afbba Merge branch 'linus' into x86/asm, to pick up recent fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:24:53 +02:00
Josh Poimboeuf
fcd709ef20 x86/dumpstack: Add recursion checking for all stacks
in_exception_stack() has some recursion checking which makes sure the
stack trace code never traverses a given exception stack more than once.
This prevents an infinite loop if corruption somehow causes a stack's
"next stack" pointer to point to itself (directly or indirectly).

The recursion checking can be useful for other stacks in addition to the
exception stack, so extend it to work for all stacks.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/95de5db4cfe111754845a5cef04e20630d01423f.1473905218.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:13:15 +02:00
Josh Poimboeuf
5fe599e02e x86/dumpstack: Add support for unwinding empty IRQ stacks
When an interrupt happens in entry code while running on a software IRQ
stack, and the IRQ stack was empty, regs->sp will contain the stack end
address (e.g., irq_stack_ptr).  If the regs are passed to dump_trace(),
get_stack_info() will report STACK_TYPE_UNKNOWN, causing dump_trace() to
return prematurely without trying to go to the next stack.

Update the bounds checking for software interrupt stacks so that the
ending address is now considered part of the stack.

This means that it's now possible for the 'walk_stack' callbacks --
print_context_stack() and print_context_stack_bp() -- to be called with
an empty stack.  But that's fine; they're already prepared to deal with
that due to their on_stack() checks.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/5a5e5de92dcf11e8dc6b6e8e50ad7639d067830b.1473905218.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:13:15 +02:00
Josh Poimboeuf
cb76c93982 x86/dumpstack: Add get_stack_info() interface
valid_stack_ptr() is buggy: it assumes that all stacks are of size
THREAD_SIZE, which is not true for exception stacks.  So the
walk_stack() callbacks will need to know the location of the beginning
of the stack as well as the end.

Another issue is that in general the various features of a stack (type,
size, next stack pointer, description string) are scattered around in
various places throughout the stack dump code.

Encapsulate all that information in a single place with a new stack_info
struct and a get_stack_info() interface.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/8164dd0db96b7e6a279fa17ae5e6dc375eecb4a9.1473905218.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:13:15 +02:00
Josh Poimboeuf
9c00390757 x86/dumpstack: Simplify in_exception_stack()
in_exception_stack() does some bad, bad things just so the unwinder can
print different values for different areas of the debug exception stack.

There's no need to clarify where exactly on the stack it is.  Just print
"#DB" and be done with it.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nilay Vaish <nilayvaish@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/e91cb410169dd576678dd427c35efb716fd0cee1.1473905218.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-09-15 08:13:14 +02:00
Gavin Shan
29bf282dec powerpc/powernv: Detach from PE on releasing PCI device
The PCI hotplug can be part of EEH error recovery. The @pdn and
the device's PE number aren't removed and added afterwords. The
PE number in @pdn should be set to an invalid one. Otherwise, the
PE's device count is decreased on removing devices while failing
to be increased on adding devices. It leads to unbalanced PE's
device count and make normal PCI hotplug path broken.

Fixes: c5f7700bbd ("powerpc/powernv: Dynamically release PE")
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-09-15 13:53:19 +10:00
Jon Mason
f4e8715099 clk: iproc: Make clocks visible options
Make the clocks visible options that can be selected by anyone.  This
avoids the problems of:
 1) Select is a reverse dependency and is hard for people to understand
    and can sometimes be a pain to track down
 2) Build coverage goes down because configs are hidden
 3) Code bloat

Patch suggested by Stephen Boyd

Signed-off-by: Jon Mason <jonmason@broadcom.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2016-09-14 17:21:47 -07:00
Tony Lindgren
a2a2b82156 Merge branch 'am335x-cpufreq-regression' into omap-for-v4.9/dt-v2 2016-09-14 16:27:28 -07:00
Dave Gerlach
a8dc7cb3e3 Revert "ARM: dts: dra7: Move to operating-points-v2 table"
This reverts commit f80bc97fd0.

The original commit updated the cpufreq operating points tables for
dra7xx but was merged before the driver making use of the node was
merged, which breaks the existing cpufreq implementation on the system,
so revert the patch until the ti-cpufreq driver is merged.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-09-14 16:26:53 -07:00
Dave Gerlach
0f416d1317 Revert "ARM: dts: am33xx: Move to operating-points-v2 table and ti-cpufreq driver"
This reverts commit 4317be1162.

The original commit updated the cpufreq operating points tables for
am33xx but was merged before the driver making use of the node was
merged, which breaks the existing cpufreq implementation on the system,
so revert the patch until the ti-cpufreq driver is merged.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-09-14 16:26:53 -07:00
Dave Gerlach
e3659351da Revert "ARM: dts: am335x-boneblack: Enable 1GHz OPP for cpu"
This reverts commit c36e6ec904.

The original commit updated the cpufreq operating points tables for
am335x-boneblack but was merged before the driver making use of the node
was merged, which breaks the existing cpufreq implementation on the
system, so revert the patch until the ti-cpufreq driver is merged.

Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-09-14 16:26:53 -07:00
Arnd Bergmann
aaf1edc2ba Merge tag 'arm-soc/for-4.9/devicetree' of http://github.com/Broadcom/stblinux into next/dt
Pull "Broadcom devicetree changes for 4.9" from Florian Fainelli:

This pull request contains Broadcom ARM-based Device Tree changes for v4.9,
please pull the following:

- Jon adds support for the Ethernet MAC DT nodes (AMAC) and provides the
  following updates for Broadcom references boards:
  * New Northstar Plus reference boards added: BCM958525er, BCM958522er,
    BCM988312hr, BCM958623hr and BCM958622hr
  * Add SATA nodes to the BCM958625hr and XMC boards
  * Add I2C nodes to the XMC board
  * Fixes the amount of RAM on BCM958625HR, BCM958625K and BCM958525XMC boards
  * Add the GPIO reboot method for BCM958625hr and XMC boards

- Dhanajay adds PWM nodes for the Northstar Plus SoCs

- Rafal adds the USB 2.0 PHY to the BCM5301x Device Tree file include

- Stefan adds a missing USB clock to the BCM283x DT files, adds a DTSI file for
  the USB host mode on BCM283x and finally documents and adds support for the
  Raspberry Pi Zero

- Florian adds support for the Northstar Plus Switch Register Access block which
  enables the integrated switch on these SoCs and enables the switch ports on the
  BCM958625HR reference board

* tag 'arm-soc/for-4.9/devicetree' of http://github.com/Broadcom/stblinux: (22 commits)
  ARM: dts: bcm2835: Add Raspberry Pi Zero
  DT: bindings: bcm: Add Raspberry Pi Zero
  ARM: dts: bcm283x: Add dtsi for USB host mode
  ARM: dts: bcm283x: Add missing USB clock
  ARM: dts: NSP: Add new DT file for bcm958622hr
  ARM: dts: NSP: Add new DT file for bcm958623hr
  ARM: dts: NSP: Add new DT file for bcm988312hr
  ARM: dts: NSP: Add new DT file for bcm958522er
  ARM: dts: NSP: Add new DT file for bcm958525er
  ARM: dts: NSP: Add GPIO reboot method to bcm958625xmc DTS file
  ARM: dts: NSP: Add GPIO reboot method to bcm958625hr DTS file
  ARM: dts: NSP: Specify RAM amount for BCM958525XMC board
  ARM: dts: NSP: Specify RAM amount for BCM958625K board
  ARM: dts: NSP: Enable SATA and add i2c devices on XMC
  ARM: dts: NSP: Enable SATA on bcm958625hr
  ARM: dts: NSP: Correct RAM amount for BCM958625HR board
  ARM: dts: NSP: Add PWM Support to DT
  ARM: BCM5301X: Specify PHY of USB 2.0 in DT
  ARM: dts: NSP: Add BCM958625HR switch ports
  ARM: dts: NSP: Add Switch Register Access Block node
  ...
2016-09-15 00:44:55 +02:00
Arnd Bergmann
dc8c76dd82 Merge tag 'sunxi-config64-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/arm64
Pull "Allwinner ARM64 Kconfig changes" from Maxime Ripard:

Select the pinctrl driver in kconfig

* tag 'sunxi-config64-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  arm64: sunxi: Kconfig: add essential pinctrl driver
2016-09-15 00:43:43 +02:00
Arnd Bergmann
4a5c99462a Merge tag 'sunxi-core-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc
Pull "Allwinner core changes for 4.9" from Maxime Ripard:

Add support for big endian on the Allwinner A20, and the Nextthing GR8 SoC

* tag 'sunxi-core-for-4.9' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: sunxi: Support the Nextthing GR8
  ARM: sunxi: enable big-endian
2016-09-15 00:42:02 +02:00
Arnd Bergmann
be46f95b54 Merge tag 'pxa-for-4.9' of https://github.com/rjarzmik/linux into next/soc
Pull "This is the pxa changes for v4.9 cycle" from Robert Jarzmik:

This cycle is covering :
 - the removal of the legacy DMA API
   This is the major contributor to the negative diffstat, as dmaengine
   have taken over in this area.
 - IDE subsystem defconfig fixes
 - preparation for pxa25x to be device-tree compliant
 - various irq related fixes

* tag 'pxa-for-4.9' of https://github.com/rjarzmik/linux:
  ARM: pxa: pxa_cplds: fix interrupt handling
  ARM: pxa: remove irq init from dt machines
  ARM: pxa: Use kmalloc_array() in pxa_pm_init()
  ARM: pxa: magician: Remove duplicated I2C pins declaration
  ARM: pxa: fix GPIO double shifts
  arm: trizeps4_defconfig: disable IDE subsystem
  arm: pxa255-idp_defconfig: disable IDE subsystem
  arm: lpda270_defconfig: disable IDE subsystem
  arm: colibri_pxa270_defconfig: disable IDE subsystem
  ARM: pxa: add pxa25x device-tree support
  ARM: pxa: prepare pxa25x interrupts for device-tree platforms
  ARM: pxa: remove platform dma code
  ARM: pxa: remove devicetree boards from pxa_defconfig
2016-09-15 00:28:52 +02:00
Arnd Bergmann
f6b2dae76e Merge tag 'renesas-soc-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Pull "Renesas ARM Based SoC Updates for v4.9" from Simon Horman:

Clean-up:
* Only use smp_init when SMP is selected

Enablement:
* Add debug-ll support for r8a7992

* tag 'renesas-soc-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: r8a7791: only use smp_init when SMP is selected
  ARM: shmobile: r8a7790: only use smp_init when SMP is selected
  ARM: debug-ll: Add support for r8a7992
2016-09-15 00:27:27 +02:00
Arnd Bergmann
ea58e97d66 Merge tag 'arm-soc/for-4.9/soc' of http://github.com/Broadcom/stblinux into next/soc
Pull "Broadcom soc changes for 4.9" from Florian Fainelli:

This pull request contains Broadcom ARM-based SoC changes for 4.9, please pull
the following:

- Rafal adds preliminary support for the new BCM53573 Wi-Fi SoC based on a
  single core Cortex A7 and re-using a bunch of iProc peripherals

- Florian adds support for earlyprintk on Broadcom STB/CM ARM-based chips by
  reading the chip family_id value from a known location and deriving the UART
  based address

* tag 'arm-soc/for-4.9/soc' of http://github.com/Broadcom/stblinux:
  ARM: BCM53573: Initial support for Broadcom BCM53573 SoCs
  ARM: brcmstb: Add earlyprintk support using run-time checks
2016-09-15 00:22:55 +02:00
Arnd Bergmann
2c8cebd262 Merge tag 'qcom-soc-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/soc
Pull "Qualcomm ARM Based SoC Updates for v4.9" from Andy Gross:

* Remove unnecessary QCOM board file

* tag 'qcom-soc-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  ARM: qcom: Cleanup/Remove unnecessary board file
2016-09-15 00:22:16 +02:00
Arnd Bergmann
45624a6eb1 Merge tag 'arm-soc/for-4.9/soc-arm64' of http://github.com/Broadcom/stblinux into next/arm64
Pull "Broadcom soc-arm64 changes for 4.9" from Florian Fainelli:

This pull request contains Broadcom ARM64-based SoC changes for 4.9, please pull
the following:

- collective effort from Florian, Doug and Markus to add the ARCH_BRCMSTB Kconfig
  symbol to the ARM64 kernel build, which is purposedly the same as the ARM/Linux
  one in order not to update any driver dependencies

* tag 'arm-soc/for-4.9/soc-arm64' of http://github.com/Broadcom/stblinux:
  arm64: Add Broadcom Set Top Box Kconfig entry point
2016-09-15 00:10:22 +02:00
Arnd Bergmann
c975bd7ef5 Merge tag 'renesas-arm64-defconfig-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/arm64
Pull "Renesas ARM64 Based SoC Defconfig Updates for v4.9" from Simon Horman:

* Enable HSUSB and SDHI

* tag 'renesas-arm64-defconfig-for-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: defconfig: Enable SDHI and GPIO_REGULATOR
  arm64: defconfig: Add Renesas R-Car HSUSB driver support as module
2016-09-15 00:08:55 +02:00
Leo Yan
57e109cb97 arm64: defconfig: enable common modules for power management
Enable common modules for power management; one is to enable
CPUFREQ_DT driver; the driver is used by many platforms by passing OPP
table from device tree.

Also enables thermal related drivers. Firstly we need enable
configuration CPU_THERMAL for CPU cooling device driver, this will bind
thermal zone with CPU cooling device; and enable 'power allocator'
thermal governor.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-15 00:07:46 +02:00
Arnd Bergmann
dafa5d3952 Merge tag 'mvebu-defconfig64-4.9-1' of git://git.infradead.org/linux-mvebu into next/arm64
Pull "mvebu defconfig64 for 4.9 (part 1)" from Gregory CLEMENT:

- add PCIe driver for Aardvark for Armada 3700
- enable xhci-platform for A7K/A8K

* tag 'mvebu-defconfig64-4.9-1' of git://git.infradead.org/linux-mvebu:
  arm64: configs: enable PCIe driver for Aardvark
  arm64: defconfig: enable xhci-platform
2016-09-15 00:05:59 +02:00
Arnd Bergmann
23d4635ec9 Merge tag 'qcom-arm64-defconfig-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/arm64
Pull "Qualcomm ARM64 Based defconfig Updates for v4.9" from Andy Gross:

* Enable defconfig options for QDF2432

* tag 'qcom-arm64-defconfig-for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
  arm64: defconfig: Enable QDF2432 config options
2016-09-15 00:04:53 +02:00
Kevin Hilman
699189c848 arm64: defconfig: enable meson I2C
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-15 00:03:46 +02:00
Kevin Hilman
5a9a9cf0a1 arm64: defconfig: enable meson SPI as module
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-15 00:03:41 +02:00
Kevin Hilman
19b9869192 arm64: defconfig: enable meson WDT as modules
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-15 00:03:31 +02:00
Kevin Hilman
5012a09b9b arm64: defconfig: enable HW random as module
drivers/char/hw_random/Kconfig has 'default m', so
simply removing this entry from the defconfig will
enable building HW random drivers as modules.

Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-15 00:03:21 +02:00
Arnd Bergmann
a458ae7321 Merge tag 'hisi-defconfig-for-4.9' of git://github.com/hisilicon/linux-hisi into next/arm64
Pull "ARM64: hisilicon: defconfig updates for 4.9" from Wei Xu:

- Enable hisilicon SAS and XGE for hip05 and hip06
- Enable drm, powerkey, bluetooth and adv7511/adv7533 for hikey
- Add PINCTRL to HISI platform

* tag 'hisi-defconfig-for-4.9' of git://github.com/hisilicon/linux-hisi:
  Kconfig: ARCH_HISI: Add PINCTRL to HISI platform
  arm64: defconfig: enable bluetooth supports as modules
  arm64: defconfig: enable CONFIG_INPUT_HISI_POWERKEY for HiKey
  arm64: defconfig: Enable HiSilicon kirin drm, adv7533 for HiKey
  arm64: defconfig: Enable Hisi SAS and HNS
2016-09-15 00:02:16 +02:00
Arnd Bergmann
b284ce5374 Merge tag 'imx-defconfig-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/defconfig
Merge "i.MX defconfig updates for 4.9" from Shawn Guo:
 - Enable i.MX6 SATA and cpufreq driver support in multi_v7_defconfig.
 - Enable MPL3115, Etnaviv GPU, WM8960 Codec driver and more USB
   functions support in imx_v6_v7_defconfig.

* tag 'imx-defconfig-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: Select the wm8960 codec driver
  ARM: imx_v6_v7_defconfig: Add CONFIG_MPL3115
  ARM: imx_v6_v7_defconfig: Enable GPU support
  ARM: imx_v6_v7_defconfig: enable more USB configurations
  ARM: multi_v7_defconfig: Enable ARM_IMX6Q_CPUFREQ
  ARM: multi_v7_defconfig: Enable AHCI_IMX
2016-09-14 23:59:33 +02:00
Arnd Bergmann
3197f7dc23 Merge tag 'mvebu-defconfig-4.9-1' of git://git.infradead.org/linux-mvebu into next/defconfig
Pull "mvebu defconfig for 4.9 (part 1)" from Gregory CLEMENT:

- update dsa config with new symbol
- add flash related config for mvebu v7

* tag 'mvebu-defconfig-4.9-1' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu_v5_defconfig: use MV88E6XXX
  ARM: mvebu: enable UBI and UBIFS in mvebu_v7_defconfig
  ARM: mvebu: enable MTD command line partition table in mvebu_v7_defconfig
2016-09-14 23:57:23 +02:00
Arnd Bergmann
35e53e33de Merge tag 'keystone_config_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/defconfig
Pull "ARM: config: Add CONFIG_NOP_USB_XCEIV" from Santosh Shilimkar:

Keystone usb phy needs CONFIG_NOP_USB_XCEIV to be enabled.

* tag 'keystone_config_for_4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
  ARM: keystone: defconfig: Fix USB configuration
2016-09-14 23:56:11 +02:00
Linus Torvalds
4cea877657 Merge tag 'pci-v4.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
 "Here are two changes for v4.8.  The first fixes a "[Firmware Bug]: reg
  0x10: invalid BAR (can't size)" warning on Haswell, and the second
  fixes a problem in some new runtime suspend functionality we merged
  for v4.8.  Summary:

  Enumeration:
    Mark Haswell Power Control Unit as having non-compliant BARs (Bjorn Helgaas)

  Power management:
    Fix bridge_d3 update on device removal (Lukas Wunner)"

* tag 'pci-v4.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Fix bridge_d3 update on device removal
  PCI: Mark Haswell Power Control Unit as having non-compliant BARs
2016-09-14 14:06:30 -07:00
Arnd Bergmann
37179033fc Merge branch 'dt/irq-fix' into next/dt64
* dt/irq-fix:
  arm64: dts: Fix broken architected timer interrupt trigger

This resolves a non-obvious conflict between a bugfix from
v4.8 and a cleanup for the exynos7 platform.
2016-09-14 22:48:29 +02:00
Arnd Bergmann
d20ced23c7 Merge branch 'dt/irq-fix' into fixes
* dt/irq-fix:
  arm64: dts: Fix broken architected timer interrupt trigger
2016-09-14 22:47:36 +02:00
Marc Zyngier
f2a89d3b2b arm64: dts: Fix broken architected timer interrupt trigger
The ARM architected timer specification mandates that the interrupt
associated with each timer is level triggered (which corresponds to
the "counter >= comparator" condition).

A number of DTs are being remarkably creative, declaring the interrupt
to be edge triggered. A quick look at the TRM for the corresponding ARM
CPUs clearly shows that this is wrong, and I've corrected those.
For non-ARM designs (and in the absence of a publicly available TRM),
I've made them active low as well, which can't be completely wrong
as the GIC cannot disinguish between level low and level high.

The respective maintainers are of course welcome to prove me wrong.

While I was at it, I took the liberty to fix a couple of related issue,
such as some spurious affinity bits on ThunderX, and their complete
absence on ls1043a (both of which seem to be related to copy-pasting
from other DTs).

Acked-by: Duc Dang <dhdang@apm.com>
Acked-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-14 22:47:22 +02:00
Fabian Frederick
7ccb8e633c ARM: multi_v7_defconfig: update XILINX_VDMA
Commit fde57a7c44
("dmaengine: xilinx: Rename driver and config")

renamed config XILINX_VDMA to config XILINX_DMA
Update defconfig accordingly.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2016-09-14 22:40:59 +02:00
Dmitry Safonov
6846351052 x86/signal: Add SA_{X32,IA32}_ABI sa_flags
Introduce new flags that defines which ABI to use on creating sigframe.
Those flags kernel will set according to sigaction syscall ABI,
which set handler for the signal being delivered.

So that will drop the dependency on TIF_IA32/TIF_X32 flags on signal deliver.
Those flags will be used only under CONFIG_COMPAT.

Similar way ARM uses sa_flags to differ in which mode deliver signal
for 26-bit applications (look at SA_THIRYTWO).

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-7-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:11 +02:00
Dmitry Safonov
cc87324b3d x86/ptrace: Down with test_thread_flag(TIF_IA32)
As the task isn't executing at the moment of {GET,SET}REGS,
return regset that corresponds to code selector, rather than
value of TIF_IA32 flag.
I.e. if we ptrace i386 elf binary that has just changed it's
code selector to __USER_CS, than GET_REGS will return
full x86_64 register set.

Note, that this will work only if application has changed it's CS.
If the application does 32-bit syscall with __USER_CS, ptrace
will still return 64-bit register set. Which might be still confusing
for tools that expect TS_COMPACT to be exposed [1, 2].

So this this change should make PTRACE_GETREGSET more reliable and
this will be another step to drop TIF_{IA32,X32} flags.

[1]: https://sourceforge.net/p/strace/mailman/message/30471411/
[2]: https://lkml.org/lkml/2012/1/18/320

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: luto@kernel.org
Cc: Pedro Alves <palves@redhat.com>
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-6-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:11 +02:00
Dmitry Safonov
90954e7b94 x86/coredump: Use pr_reg size, rather that TIF_IA32 flag
Killed PR_REG_SIZE and PR_REG_PTR macro as we can get regset size
from regset view.
I wish I could also kill PRSTATUS_SIZE nicely.

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: 0x7f454c46@gmail.com
Cc: linux-mm@kvack.org
Cc: luto@kernel.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-5-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:10 +02:00
Dmitry Safonov
2eefd87896 x86/arch_prctl/vdso: Add ARCH_MAP_VDSO_*
Add API to change vdso blob type with arch_prctl.
As this is usefull only by needs of CRIU, expose
this interface under CONFIG_CHECKPOINT_RESTORE.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-4-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:09 +02:00
Dmitry Safonov
576ebfefd3 x86/vdso: Replace calculate_addr in map_vdso() with addr
That will allow to specify address where to map vDSO blob.
For the randomized vDSO mappings introduce map_vdso_randomized()
which will simplify calls to map_vdso.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-3-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:09 +02:00
Dmitry Safonov
e38447ee1f x86/vdso: Unmap vdso blob on vvar mapping failure
If remapping of vDSO blob failed on vvar mapping,
we need to unmap previously mapped vDSO blob.

Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-2-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2016-09-14 21:28:08 +02:00
H. Nikolaus Schaller
3868b42f36 ARM: dts: omap3-gta04: reduce panel backlight PWM frequency to 83Hz
This helps to get 100% intensity closer to "always on".

It compensates for an effect of dmtimer which at 100% still emits short
"off" impulses and the startup-time of the DC/DC converter makes
backlight intensity not reach full scale. The lower the PWM frequency
is, the smaller is this effect.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2016-09-14 11:12:16 -07:00
Martin Blumenstingl
566603e5e6 ARM64: dts: meson-gxbb: add USB Nodes
Add the nodes for the dwc2 USB controller and the related USB PHYs.
Currently we force usb0 to host mode because OTG is currently not
working in our PHY driver.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:41 -07:00
Jerome Brunet
cb700f4935 ARM64: dts: gxbb: add i2c bus
Add nodes for i2c bus on gxbb based platforms.
On the OdroidC2 (I2C A) and P200 (I2C B), the pull-up resistor are
present directly on the board. This indicates that these pins are
dedicated to i2c.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:36 -07:00
Neil Armstrong
1befc626c1 ARM64: dts: meson-gxbb: add I2C nodes
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:32 -07:00
Jerome Brunet
8c04d7950a ARM64: dts: meson-gxbb: add pins for I2C
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:27 -07:00
Neil Armstrong
e9c9b651a3 ARM64: dts: meson-gxbb: Add SPIFC node
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:21 -07:00
Neil Armstrong
2d7ed3df44 ARM64: dts: meson-gxbb: add the SDIO pins
This is used to configure the pins of the sd_emmc_a controller to
which an SDIO module is connected (when available).

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
2016-09-14 10:48:10 -07:00