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next/dt64
Pull "mvebu dt for 4.11 (part 3)" from Gregory CLEMENT:
adjust name of sd-mmc-gop clock in sysco for Armada 7K/8K
* tag 'mvebu-dt64-4.11-3' of git://git.infradead.org/linux-mvebu:
arm64: dts: marvell: adjust name of sd-mmc-gop clock in syscon
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/dt64
Pull "Qualcomm ARM64 Updates for v4.11 Part 2" from Andy Gross:
* Add CoreSight nodes for MSM8916
* tag 'qcom-arm64-for-4.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: dts: qcom: Add msm8916 CoreSight components
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/dt64
Pull "Allwinner arm64 changes for 4.11" from Maxime Ripard:
Some patches related the arm64 Allwinner SoCs, most notably:
- Support for the MMC
- Suport for the USB and mUSB controllers
- New boards: Bananapi M64
* tag 'sunxi-dt64-for-4.11' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
arm64: allwinner: add BananaPi-M64 support
arm64: allwinner: a64: add UART1 pin nodes
arm64: allwinner: pine64: add MMC support
arm64: allwinner: a64: Increase the MMC max frequency
arm64: allwinner: a64: Add MMC pinctrl nodes
arm64: allwinner: a64: Add MMC nodes
arm64: dts: allwinner: Remove no longer used pinctrl/sun4i-a10.h header
arm64: dts: enable the MUSB controller of Pine64 in host-only mode
arm64: dts: add MUSB node to Allwinner A64 dtsi
arm64: dts: allwinner: enable EHCI1, OHCI1 and USB PHY nodes in Pine64
arm64: dts: allwinner: sort the nodes in sun50i-a64-pine64.dts
arm64: dts: allwinner: add USB1-related nodes of Allwinner A64
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
kvmarm updates for 4.11
- GICv3 save restore
- Cache flushing fixes
- MSI injection fix for GICv3 ITS
- Physical timer emulation support
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To is_vmalloc_addr() to check if an address is a vmalloc address
instead of checking VMALLOC_START and VMALLOC_END manually.
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Delete an assignment for the local variable "ret" in an if branch
because it was initialised by the same value.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Mac interrupt code has been debugged. The Penguin deficiencies that
still cause unhandled interrupts aren't fixable here. Besides,
interrupts are fast and frequent and these printk statements
were never really useful IMO. Remove them.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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In macints.c there is some startup code which disables the SONIC interrupt
in an attempt to avoid an unhandled slot interrupt, which would be fatal.
This only works on those machines where the SONIC device is on-board.
When the mac_sonic driver is built-in, there's little point in doing this,
because the device will be initialized a few seconds later anyway. But
when mac_sonic is a module, the window for an unhandled interrupt is
longer.
Either way, we've already run the gauntlet for 5 or 10 seconds by the time
we get around to disabling this particular device. It's only by sheer luck
that we got this far.
Really, this is too little too late. The general problem of unhandled
early interrupts also affects other devices on other models. There are
better ways to resolve this problem.
1) When using the Penguin bootloader, boot Mac OS with extensions disabled
(by holding down the shift key at startup or by use of the Extensions
Manager control panel). The Penguin docs already contain this advice,
as it is always effective.
2) Have the Penguin bootloader disable the device. It already attempts
to disable slot interrupts. But since some hardware cannot mask slot
interrupts, Penguin should probably close the relevant device
drivers.
3) Use Emile instead of Penguin. AFAIK the boot ROM never enables network
device interrupts and hence they don't need to be disabled.
Remove this hack. It requires maintenance and it doesn't solve the
problem. It improves the odds for a few models, but so does setting
CONFIG_MAC_SONIC=y.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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mac_nmi_handler() is useless in its present form and locks up my PowerBook
180. Let's throw out the dead code and make it do something useful: print
a register dump and a stack trace.
mac_debug_handler() is also dead code. Remove it along with its static
data.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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arch/m68k/mac/misc.c does not use any miscdevice so the
inclusion of linux/miscdevice.h is unnecessary.
This patch remove this unnecessary include.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Use linux/size.h to improve code readability.
Signed-off-by: Miles Chen <miles.chen@mediatek.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Fix to return error code -ENOMEM from the memory alloc error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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This adds the hypercall numbers and wrapper functions for the hash page
table resizing hypercalls.
These hypercall numbers are defined in the PAPR ACR "HPT resizing
option".
It also adds a new firmware feature flag to track the presence of the
HPT resizing calls.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Otherwise KVM will fail to pass them through to the host
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The IPIs come in as HVI not EE, so we need to test the appropriate
SRR1 bits. The encoding is such that it won't have false positives
on P7 and P8 so we can just test it like that. We also need to handle
the icp-opal variant of the flush.
Fixes: d74361881f0d ("powerpc/xics: Add ICP OPAL backend")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Three tiny changes to the ERAT flushing logic: First don't make
it depend on DD1. It hasn't been decided yet but we might run
DD2 in a mode that also requires explicit flushes for performance
reasons so make it unconditional. We also add a missing isync, and
finally remove the flush from _tlbiel_va as it is only necessary
for congruence-class invalidations (PID, LPID and full TLB), not
targetted invalidations.
Fixes: 96ed1fe511a8 ("powerpc/mm/radix: Invalidate ERAT on tlbiel for POWER9 DD1")
Cc: stable@vger.kernel.org # v4.9+
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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This reverts commit 020eb3daaba2857b32c4cf4c82f503d6a00a67de.
Gabriel C reports that it causes his machine to not boot, and we haven't
tracked down the reason for it yet. Since the bug it fixes has been
around for a longish time, we're better off reverting the fix for now.
Gabriel says:
"It hangs early and freezes with a lot RCU warnings.
I bisected it down to :
> Ruslan Ruslichenko (1):
> x86/ioapic: Restore IO-APIC irq_chip retrigger callback
Reverting this one fixes the problem for me..
The box is a PRIMERGY TX200 S5 , 2 socket , 2 x E5520 CPU(s) installed"
and Ruslan and Thomas are currently stumped.
Reported-and-bisected-by: Gabriel C <nix.or.die@gmail.com>
Cc: Ruslan Ruslichenko <rruslich@cisco.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org # for the backport of the original commit
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Enable all applicable CPUfreq options.
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Turn on CPU_SUPPORTS_CPUFREQ and MIPS_EXTERNAL_TIMER for BMIPS.
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Ran "make savedefconfig" to bring bmips_stb_defconfig up to date.
Signed-off-by: Markus Mayer <mmayer@broadcom.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We don't need asm/xics.h
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Recent versions of OPAL can provide names for the various OPAL interrupts,
so let's use them. This also modernises the code that fetches the
interrupt array to use the helpers provided by the generic code instead
of hand-parsing the property.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Free irqs on error, check allocation of names, consolidate error
handling, whitespace.]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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On some CAPP errors we see console messages that prints unknown HMIs for
which CAPI recovery is in progress. This patch fixes this by printing
correct error info for HMI generated due to CAPP recovery.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Tested-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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These are common on bare metal machines, so put them in the defconfig.
This adds 216KB to the vmlinux size
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Specifically:
- CONFIG_BPF_SYSCALL
- CONFIG_NET_SCHED
- CONFIG_NET_CLS_BPF
- CONFIG_NET_CLS_ACT
- CONFIG_NET_ACT_BPF
- CONFIG_CGROUP_BPF
- CONFIG_UPROBE_EVENT
... in pseries, ppc64 and powernv defconfigs.
Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Currently in arm64's copy_{to,from}_user, we only check the
source/destination object size if access_ok() tells us the user access
is permissible.
However, in copy_from_user() we'll subsequently zero any remainder on
the destination object. If we failed the access_ok() check, that applies
to the whole object size, which we didn't check.
To ensure that we catch that case, this patch hoists check_object_size()
to the start of copy_from_user(), matching __copy_from_user() and
__copy_to_user(). To make all of our uaccess copy primitives consistent,
the same is done to copy_to_user().
Cc: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
- A relatively large patch restores booting on i.MX platforms that
failed to boot after a cleanup was merged for v4.10.
- A quirk for USB needs to be enabled on the STi platform
- On the Meson platform, we saw memory corruption with part of the
memory used by the secure monitor, so we have to stay out of that
area.
- The same platform also has a problem with ethernet under load, which
is fixed by disabling EEE negotiation.
- imx6dl has an incorrect pin configuration, which prevents SPI from
working.
- Two maintainers have lost their access to their email addresses, so
we should update the MAINTAINERS file before the release
- Renaming one of the orion5x linkstation models to help simplify the
debian install.
- A couple of fixes for build warnings that were introduced during
v4.10-rc.
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: defconfigs: make NF_CT_PROTO_SCTP and NF_CT_PROTO_UDPLITE built-in
MAINTAINERS: socfpga: update email for Dinh Nguyen
ARM: orion5x: fix Makefile for linkstation-lschl.dtb
ARM: dts: orion5x-lschl: More consistent naming on linkstation series
ARM: dts: orion5x-lschl: Fix model name
MAINTAINERS: change email address from atmel to microchip
MAINTAINERS: at91: change email address
ARM64: dts: meson-gx: Add firmware reserved memory zones
ARM64: dts: meson-gxbb-odroidc2: fix GbE tx link breakage
ARM: dts: STiH407-family: set snps,dis_u3_susphy_quirk
ARM: dts: imx: Pass 'chosen' and 'memory' nodes
ARM: dts: imx6dl: fix GPIO4 range
ARM: imx: hide unused variable in #ifdef
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To be used by KVM PTP driver.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Emulate read and write operations to CNTP_TVAL, CNTP_CVAL and CNTP_CTL.
Now VMs are able to use the EL1 physical timer.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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KVM traps on the EL1 phys timer accesses from VMs, but it doesn't handle
those traps. This results in terminating VMs. Instead, set a handler for
the EL1 phys timer access, and inject an undefined exception as an
intermediate step.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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When scheduling a background timer, consider both of the virtual and
physical timer and pick the earliest expiration time.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Initialize the emulated EL1 physical timer with the default irq number.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Now that we have a separate structure for timer context, make functions
generic so that they can work with any timer context, not just the
virtual timer context. This does not change the virtual timer
functionality.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Make cntvoff per each timer context. This is helpful to abstract kvm
timer functions to work with timer context without considering timer
types (e.g. physical timer or virtual timer).
This also would pave the way for ever doing adjustments of the cntvoff
on a per-CPU basis if that should ever make sense.
Signed-off-by: Jintack Lim <jintack@cs.columbia.edu>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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The sysfs cpu_capacity entry for each CPU has nothing to do with
PROC_FS, nor it's in /proc/sys path.
Remove such ifdef.
Cc: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Reported-and-suggested-by: Sudeep Holla <sudeep.holla@arm.com>
Fixes: be8f185d8af4 ('arm64: add sysfs cpu_capacity attribute')
Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Bit 0x100 of a page table, segment table of region table entry
can be used to disallow code execution for the virtual addresses
associated with the entry.
There is one tricky bit, the system call to return from a signal
is part of the signal frame written to the user stack. With a
non-executable stack this would stop working. To avoid breaking
things the protection fault handler checks the opcode that caused
the fault for 0x0a77 (sys_sigreturn) and 0x0aad (sys_rt_sigreturn)
and injects a system call. This is preferable to the alternative
solution with a stub function in the vdso because it works for
vdso=off and statically linked binaries as well.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add hardware capability bits and feature tags to /proc/cpuinfo for
the "Vector Packed Decimal Facility" (tag "vxd" / hwcap bit 2^12)
and the "Vector Enhancements Facility 1" (tag "vxe" / hwcap bit 2^13).
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The current implementation of setup_randomness uses the stack address
and therefore the pointer to the SYSIB 3.2.2 block as input data
address. Furthermore the length of the input data is the number of
virtual-machine description blocks which is typically one.
This means that typically a single zero byte is fed to
add_device_randomness.
Fix both of these and use the address of the first virtual machine
description block as input data address and also use the correct
length.
Fixes: bcfcbb6bae64 ("s390: add system information as device randomness")
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The early vt220 sclp printk code added an extra new line to each
printed multi-line text. If used for the early sclp console this will
lead to numerous extra new lines. Therefore get rid of this semantic
and require that each to be printed string contains a line feed
character if a new line is wanted.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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This patch
- unifies the old sclp early code and the sclp early printk code, so
they can use common functions
- makes sure all sclp early functions and variables have the same
"sclp_early" prefix
- converts the sclp early printk code into readable code by using
existing data structures instead of hard coded magic arrays
- splits the early sclp code into two files: sclp_early.c and
sclp_early_core.c. The core file contains everything that is
required by the kernel decompressor and may not call functions not
contained within the core file. Otherwise the result would be a
link error.
- changes interrupt handling to be completely synchronous. The old
early sclp code had a small window which allowed to receive several
interrupts instead of exactly the single expected interrupt. This
did hide a subtle potential bug, which is fixed with this large
rework.
- contains a couple of small cleanups.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Move the early sclp printk code to the drivers folder where also the
rest of the sclp code can be found. This way it is possible to use the
sclp private header files for further cleanups.
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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When autonuma (Automatic NUMA balancing) marks a PTE inaccessible it
clears all the protection bits but leave the PTE valid.
With the Radix MMU, an attempt at executing from such a PTE will
take a fault with bit 35 of SRR1 set "SRR1_ISI_N_OR_G".
It is thus incorrect to treat all such faults as errors. We should
pass them to handle_mm_fault() for autonuma to deal with. The case
of pages that are really not executable is handled by the existing
test for VM_EXEC further down.
That leaves us with catching the kernel attempts at executing user
pages. We can catch that earlier, even before we do find_vma.
It is never valid on powerpc for the kernel to take an exec fault
to begin with. So fold that test with the existing test for the
kernel faulting on kernel addresses to bail out early.
Fixes: 1d18ad026844 ("powerpc/mm: Detect instruction fetch denied and report")
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Acked-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Enables support of STMicroelectronics STiH4xx SoC series
DELTA multi-format video decoder V4L2 driver.
Acked-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch adds DT node for STMicroelectronics
DELTA V4L2 video decoder
Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Fix rebase breakage from commit 55dd00a73a51 ("KVM: x86: add
KVM_HC_CLOCK_PAIRING hypercall", 2017-01-24), courtesy of the
"I could have sworn I had pushed the right branch" department.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This merges in a fix which touches both PPC and KVM code,
which was therefore put into a topic branch in the powerpc
tree.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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Due to the reference clock comes from 26M oscillator directly
on mt8173, and it is a fixed-clock in DTS which always turned
on, we ignore it before. But on some platforms, it comes
from PLL, and need be controlled, so here add it, no matter
it is a fixed-clock or not.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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infrastructure
Currently we have code inline in the arch timer probe path to cater for
Freescale erratum A-008585, complete with ifdeffery. This is a little
ugly, and will get worse as we try to add more errata handling.
This patch refactors the handling of Freescale erratum A-008585. Now the
erratum is described in a generic arch_timer_erratum_workaround
structure, and the probe path can iterate over these to detect errata
and enable workarounds.
This will simplify the addition and maintenance of code handling
Hisilicon erratum 161010101.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
[Mark: split patch, correct Kconfig, reword commit message]
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
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The conflict was an interaction between a bug fix in the
netvsc driver in 'net' and an optimization of the RX path
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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