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Report the maximum number of mmu_page_hash collisions as a per-VM stat.
This will make it easy to identify problems with the mmu_page_hash in
the future.
Signed-off-by: David Matlack <dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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The check in kvm_set_pic_irq() and kvm_set_ioapic_irq() was just a
temporary measure until the code improved enough for us to do this.
This changes APIC in a case when KVM_SET_GSI_ROUTING is called to set up pic
and ioapic routes before KVM_CREATE_IRQCHIP. Those rules would get overwritten
by KVM_CREATE_IRQCHIP at best, so it is pointless to allow it. Userspaces
hopefully noticed that things don't work if they do that and don't do that.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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We don't treat kvm->arch.vpic specially anymore, so the setup can look
like ioapic. This gets a bit more information out of return values.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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irqchip_in_kernel() tried to save a bit by reusing pic_irqchip(), but it
just complicated the code.
Add a separate state for the irqchip mode.
Reviewed-by: David Hildenbrand <david@redhat.com>
[Used Paolo's version of condition in irqchip_in_kernel().]
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Split irqchip cannot be created after creating the kernel irqchip, but
we forgot to restrict the other way. This is an API change.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add the missing declarations of basic string functions to string.h to allow
a clean build.
Fixes: 5be865661516 ("String-handling functions for the new x86 setup code.")
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Link: http://lkml.kernel.org/r/1483781911-21399-1-git-send-email-hofrat@osadl.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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If after too many passes still no image could be emitted, then
swap back to the original program as we do in all other cases
and don't use the one with blinding.
Fixes: 959a75791603 ("bpf, x86: add support for constant blinding")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the following commit:
4bc9f92e64c8 ("x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data")
... efi_bgrt_init() calls into the memblock allocator through
efi_mem_reserve() => efi_arch_mem_reserve() *after* mm_init() has been called.
Indeed, KASAN reports a bad read access later on in efi_free_boot_services():
BUG: KASAN: use-after-free in efi_free_boot_services+0xae/0x24c
at addr ffff88022de12740
Read of size 4 by task swapper/0/0
page:ffffea0008b78480 count:0 mapcount:-127
mapping: (null) index:0x1 flags: 0x5fff8000000000()
[...]
Call Trace:
dump_stack+0x68/0x9f
kasan_report_error+0x4c8/0x500
kasan_report+0x58/0x60
__asan_load4+0x61/0x80
efi_free_boot_services+0xae/0x24c
start_kernel+0x527/0x562
x86_64_start_reservations+0x24/0x26
x86_64_start_kernel+0x157/0x17a
start_cpu+0x5/0x14
The instruction at the given address is the first read from the memmap's
memory, i.e. the read of md->type in efi_free_boot_services().
Note that the writes earlier in efi_arch_mem_reserve() don't splat because
they're done through early_memremap()ed addresses.
So, after memblock is gone, allocations should be done through the "normal"
page allocator. Introduce a helper, efi_memmap_alloc() for this. Use
it from efi_arch_mem_reserve(), efi_free_boot_services() and, for the sake
of consistency, from efi_fake_memmap() as well.
Note that for the latter, the memmap allocations cease to be page aligned.
This isn't needed though.
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: <stable@vger.kernel.org> # v4.9
Cc: Dave Young <dyoung@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Mika Penttilä <mika.penttila@nextfour.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Fixes: 4bc9f92e64c8 ("x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data")
Link: http://lkml.kernel.org/r/20170105125130.2815-1-nicstange@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Pull KVM fixes from Radim Krčmář:
"MIPS:
- fix host kernel crashes when receiving a signal with 64-bit
userspace
- flush instruction cache on all vcpus after generating entry code
(both for stable)
x86:
- fix NULL dereference in MMU caused by SMM transitions (for stable)
- correct guest instruction pointer after emulating some VMX errors
- minor cleanup"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: VMX: remove duplicated declaration
KVM: MIPS: Flush KVM entry code from icache globally
KVM: MIPS: Don't clobber CP0_Status.UX
KVM: x86: reset MMU on KVM_SET_VCPU_EVENTS
KVM: nVMX: fix instruction skipping during emulated vm-entry
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- re-introduce the arm64 get_current() optimisation
- KERN_CONT fallout fix in show_pte()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: restore get_current() optimisation
arm64: mm: fix show_pte KERN_CONT fallout
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb fixes from Konrad Rzeszutek Wilk:
"This has one fix to make i915 work when using Xen SWIOTLB, and a
feature from Geert to aid in debugging of devices that can't do DMA
outside the 32-bit address space.
The feature from Geert is on top of v4.10 merge window commit
(specifically you pulling my previous branch), as his changes were
dependent on the Documentation/ movement patches.
I figured it would just easier than me trying than to cherry-pick the
Documentation patches to satisfy git.
The patches have been soaking since 12/20, albeit I updated the last
patch due to linux-next catching an compiler error and adding an
Tested-and-Reported-by tag"
* 'stable/for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
swiotlb: Export swiotlb_max_segment to users
swiotlb: Add swiotlb=noforce debug option
swiotlb: Convert swiotlb_force from int to enum
x86, swiotlb: Simplify pci_swiotlb_detect_override()
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The following commit:
8196dab4fc15 ("x86/cpu: Get rid of compute_unit_id")
... broke the initial strategy for Bulldozer-based cores' topology,
where we consider each thread of a compute unit a standalone core
and not a HT or SMT thread.
Revert to the firmware-supplied core_id numbering and do not make
them thread siblings as we don't consider them for such even if they
technically are, more or less.
Reported-and-tested-by: Brice Goglin <Brice.Goglin@inria.fr>
Tested-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org> # v4.6+
Cc: 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: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: 8196dab4fc15 ("x86/cpu: Get rid of compute_unit_id")
Link: http://lkml.kernel.org/r/20170105092638.5247-1-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"This is a rather large set of bugfixes, as we just returned from the
Christmas break. Most of these are relatively unimportant fixes for
regressions introduced during the merge window, and about half of the
changes are for mach-omap2.
A couple of patches are just cleanups and dead code removal that I
would not normally have considered for merging after -rc2, but I
decided to take them along with the fixes this time.
Notable fixes include:
- removing the skeleton.dtsi include broke a number of machines, and
we have to put empty /chosen nodes back to be able to pass kernel
command lines as before
- enabling Samsung platforms no longer hardwires CONFIG_HZ to 200, as
it had been for no good reason for a long time"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits)
MAINTAINERS: extend PSCI entry to cover the newly add PSCI checker code
drivers: psci: annotate timer on stack to silence odebug messages
ARM64: defconfig: enable DRM_MESON as module
ARM64: dts: meson-gx: Add Graphic Controller nodes
ARM64: dts: meson-gxl: fix GPIO include
ARM: dts: imx6: Disable "weim" node in the dtsi files
ARM: dts: qcom: apq8064: Add missing scm clock
ARM: davinci: da8xx: Fix sleeping function called from invalid context
ARM: davinci: Make __clk_{enable,disable} functions public
ARM: davinci: da850: don't add emac clock to lookup table twice
ARM: davinci: da850: fix infinite loop in clk_set_rate()
ARM: i.MX: remove map_io callback
ARM: dts: vf610-zii-dev-rev-b: Add missing newline
ARM: dts: imx6qdl-nitrogen6x: remove duplicate iomux entry
ARM: dts: imx31: fix AVIC base address
ARM: dts: am572x-idk: Add gpios property to control PCIE_RESETn
arm64: dts: vexpress: Support GICC_DIR operations
ARM: dts: vexpress: Support GICC_DIR operations
firmware: arm_scpi: fix reading sensor values on pre-1.0 SCPI firmwares
arm64: dts: msm8996: Add required memory carveouts
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes and cleanups from Juergen Gross:
- small fixes for xenbus driver
- one fix for xen dom0 boot on huge system
- small cleanups
* tag 'for-linus-4.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
Xen: ARM: Zero reserved fields of xatp before making hypervisor call
xen: events: Replace BUG() with BUG_ON()
xen: remove stale xs_input_avail() from header
xen: return xenstore command failures via response instead of rc
xen: xenbus driver must not accept invalid transaction ids
xen/evtchn: use rb_entry()
xen/setup: Don't relocate p2m over existing one
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Declaration of VMX_VPID_EXTENT_SUPPORTED_MASK occures twice in the code.
Probably, it was happened after unsuccessful merge.
Signed-off-by: Jan Dakinevich <jan.dakinevich@gmail.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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Flush the KVM entry code from the icache on all CPUs, not just the one
that built the entry code.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: <stable@vger.kernel.org> # 3.16.x-
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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On 64-bit kernels, MIPS KVM will clear CP0_Status.UX to prevent the
guest (running in user mode) from accessing the 64-bit memory segments.
However the previous value of CP0_Status.UX is never restored when
exiting from the guest.
If the user process uses 64-bit addressing (the n64 ABI) this can result
in address error exceptions from the kernel if it needs to deliver a
signal before returning to user mode, as the kernel will need to write a
sigframe to high user addresses on the user stack which are disallowed
by CP0_Status.UX=0.
This is fixed by explicitly setting SX and UX again when exiting from
the guest, and explicitly clearing those bits when returning to the
guest. Having the SX and UX bits set when handling guest exits (rather
than only when exiting to userland) will be helpful when we support VZ,
since we shouldn't need to directly read or write guest memory, so it
will be valid for cache management IPIs to access host user addresses.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: <stable@vger.kernel.org> # 4.8.x-
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
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The conversion of Intel PMU drivers into modules did not include reference
counting. The machine will crash when attempting to access deleted code
if an event from a module PMU is started and the module removed before the
event is destroyed.
i.e. this crashes the machine:
$ insmod intel-rapl-perf.ko
$ perf stat -e power/energy-cores/ -C 0 &
$ rmmod intel-rapl-perf.ko
Set THIS_MODULE to pmu->module in Intel module PMUs so that generic code
can handle reference counting and deny rmmod while an event still exists.
Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1482455860-116269-1-git-send-email-davidcc@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The current implementation supports only Intel Merrifield platforms. Don't mess
with the rest of the Intel MID family by not registering device with wrong
properties.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.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/20170102092450.87229-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The proper spelling of Anniedale SoC with 'e' in the middle. Fix typo in the
comment line in intel-family.h header.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.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/20170102092229.87036-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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command-line option
A negative number can be specified in the cmdline which will be used as
setup_clear_cpu_cap() argument. With that we can clear/set some bit in
memory predceeding boot_cpu_data/cpu_caps_cleared which may cause kernel
to misbehave. This patch adds lower bound check to setup_disablecpuid().
Boris Petkov reproduced a crash:
[ 1.234575] BUG: unable to handle kernel paging request at ffffffff858bd540
[ 1.236535] IP: memcpy_erms+0x6/0x10
Signed-off-by: Lukasz Odzioba <lukasz.odzioba@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: andi.kleen@intel.com
Cc: bp@alien8.de
Cc: dave.hansen@linux.intel.com
Cc: luto@kernel.org
Cc: slaoub@gmail.com
Fixes: ac72e7888a61 ("x86: add generic clearcpuid=... option")
Link: http://lkml.kernel.org/r/1482933340-11857-1-git-send-email-lukasz.odzioba@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Commit c02433dd6de32f04 ("arm64: split thread_info from task stack")
inverted the relationship between get_current() and
current_thread_info(), with sp_el0 now holding the current task_struct
rather than the current thead_info. The new implementation of
get_current() prevents the compiler from being able to optimize repeated
calls to either, resulting in a noticeable penalty in some
microbenchmarks.
This patch restores the previous optimisation by implementing
get_current() in the same way as our old current_thread_info(), using a
non-volatile asm statement.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: Davidlohr Bueso <dbueso@suse.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Recent changes made KERN_CONT mandatory for continued lines. In the
absence of KERN_CONT, a newline may be implicit inserted by the core
printk code.
In show_pte, we (erroneously) use printk without KERN_CONT for continued
prints, resulting in output being split across a number of lines, and
not matching the intended output, e.g.
[ff000000000000] *pgd=00000009f511b003
, *pud=00000009f4a80003
, *pmd=0000000000000000
Fix this by using pr_cont() for all the continuations.
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into fixes
Pull "DaVinci fixes for v4.10" from Sekhar Nori:
This pull request contains fixes for the following issues
1) Fix two instances of infinite loop occurring in
clock list for DA850. This fixes kernel hangs in some
instances and so have been marked for stable kernel.
2) Fix for sleeping function called from atomic context
with USB 2.0 clock management code introduced in v4.10
merge window.
* tag 'davinci-fixes-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da8xx: Fix sleeping function called from invalid context
ARM: davinci: Make __clk_{enable,disable} functions public
ARM: davinci: da850: don't add emac clock to lookup table twice
ARM: davinci: da850: fix infinite loop in clk_set_rate()
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into fixes
Pull "Amlogic fixes for v4.10" from Kevin Hilman:
- DT: GXL: fix GPIO include
- add DT and defconfig for newly merged DRM driver
This pull has one real fix, as a couple non-critical ones. The DRM
DT/defconfig patches are coming now because I didn't expect the new
driver to make it for the v4.10 merge window, but since it did[1], the
DT and defconfig should go into the same release.
[1] bbbe775ec5b5 drm: Add support for Amlogic Meson Graphic Controller
* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
ARM64: defconfig: enable DRM_MESON as module
ARM64: dts: meson-gx: Add Graphic Controller nodes
ARM64: dts: meson-gxl: fix GPIO include
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes
Pull "ARMv8 Juno/VExpress fixes for v4.10" from Sudeep Holla:
A simple fix to extend GICv2 CPU interface registers from 4K to 8K
on AEMv8 FVP/RTSM models in order to support split priority drop and
interrupt deactivation.
* tag 'juno-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
arm64: dts: vexpress: Support GICC_DIR operations
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into fixes
Pull "ARMv7 VExpress fixes for v4.10" from Sudeep Holla:
A simple fix to extend GICv2 CPU interface registers from 4K to 8K
on VExpress TC1 and TC2 platforms in order to support split priority
drop and interrupt deactivation.
* tag 'vexpress-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
ARM: dts: vexpress: Support GICC_DIR operations
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Pull "i.MX fixes for 4.10" from Shawn Guo:
- A format fix for vf610-zii-dev-rev-b.dts, which has a very odd line
due to misses a newline.
- A fix to imx-weim bus error seen on board which doesn't actually use
the bus.
- A fix for imx6qdl-nitrogen6x board which has conflicting usage of
pad NANDF_CS2.
- A cleanup on i.MX1 machine to remove .map_io callback, which also
fixes a compiling error for NOMMU build.
- Fix AVIC base address in i.MX31 device tree source. The problem was
shadowed by the AVIC driver, which takes the correct base address
from a SoC specific header file.
* tag 'imx-fixes-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6: Disable "weim" node in the dtsi files
ARM: i.MX: remove map_io callback
ARM: dts: vf610-zii-dev-rev-b: Add missing newline
ARM: dts: imx6qdl-nitrogen6x: remove duplicate iomux entry
ARM: dts: imx31: fix AVIC base address
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes
Pull "Qualcomm ARM DTS Fixes for v4.10-rc2" from Andy Gross:
* Add SCM clock for APQ8064 to fix boot failures
* tag 'qcom-arm-fixes-for-4.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
ARM: dts: qcom: apq8064: Add missing scm clock
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Pull "omap fixes for v4.10-rc cycle" from Tony Lindgren:
Fist set of fixes for omaps for v4.10-rc cycle, mostly
to deal with various regressions noticed during the merge
window and to fix various device tree configurations for
boards. Also included is removal of mach-omap2/gpio.c that
is now dead code with device tree based booting that should
be OK for the early -rc cycle:
- A series of fixes to add empty chosen node to fix regressions
caused for bootloaders that don't create chosen node as the
decompressor needs the chosen node to merge command line and
ATAGs into it
- Fix missing logicpd-som-lv-37xx-devkit.dtb entry in Makefile
- Fix regression for am437x timers
- Fix wrong strcat for non-NULL terminated string
- A series of changes to fix tps65217 interrupts to not use
defines as we don't do that for interrupts
- Two patches to fix USB VBUS detection on am57xx-idk and force it
to peripheral mode until dwc3 role detection is working
- Add missing dra72-evm-tps65917 missing voltage supplies
accidentally left out of an earlier patch
- Fix n900 eMMC detection when booted on qemu
- Remove unwanted pr_err on failed memory allocation for
prm_common.c
- Remove legacy mach-omap2/gpio.c that now is dead code
since we boot mach-omap2 in device tree only mode
- Fix am572x-idk pcie1 by adding the missing gpio reset pin
* tag 'omap-for-v4.10/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (23 commits)
ARM: dts: am572x-idk: Add gpios property to control PCIE_RESETn
ARM: OMAP2+: PRM: Delete an error message for a failed memory allocation
ARM: dts: n900: Mark eMMC slot with no-sdio and no-sd flags
ARM: dts: dra72-evm-tps65917: Add voltage supplies to usb_phy, mmc, dss
ARM: dts: am57xx-idk: Put USB2 port in peripheral mode
ARM: dts: am57xx-idk: Support VBUS detection on USB2 port
dt-bindings: input: Specify the interrupt number of TPS65217 power button
dt-bindings: power/supply: Update TPS65217 properties
dt-bindings: mfd: Remove TPS65217 interrupts
ARM: dts: am335x: Fix the interrupt name of TPS65217
ARM: omap2+: fixing wrong strcat for Non-NULL terminated string
ARM: omap2+: am437x: rollback to use omap3_gptimer_timer_init()
ARM: dts: omap3: Add DTS for Logic PD SOM-LV 37xx Dev Kit
ARM: dts: dra7: Add an empty chosen node to top level DTSI
ARM: dts: dm816x: Add an empty chosen node to top level DTSI
ARM: dts: dm814x: Add an empty chosen node to top level DTSI
ARM: dts: am4372: Add an empty chosen node to top level DTSI
ARM: dts: am33xx: Add an empty chosen node to top level DTSI
ARM: dts: omap5: Add an empty chosen node to top level DTSI
ARM: dts: omap4: Add an empty chosen node to top level DTSI
...
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git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into fixes
Samsung mach/soc update for v4.10:
1. Minor cleanup in smp_operations.
2. Another step in switching s3c24xx to new DMA API.
3. Drop fixed requirement for HZ=200 on Samsung platforms.
* tag 'samsung-soc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: Drop fixed 200 Hz timer requirement from Samsung platforms
ARM: S3C24XX: Add DMA slave maps for remaining s3c24xx SoCs
ARM: EXYNOS: Remove smp_init_cpus hook from platsmp.c
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into fixes
Qualcomm ARM64 Fixes for v4.10-rc1
* Fix instability in MSM8996 due to incorrect carveouts
* tag 'qcom-fixes-for-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
arm64: dts: msm8996: Add required memory carveouts
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https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Renesas ARM Based SoC Fixes for v4.10
* Provide sd0_uhs node
* tag 'renesas-fixes-for-v4.10' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
arm64: dts: h3ulcb: Provide sd0_uhs node
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
- limit usage of processor-internal cr16 clocksource to UP systems only
- segfault info lines in syslog were too long, split those up
- drop own TIF_RESTORE_SIGMASK flag and switch to generic code
* 'parisc-4.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Add line-break when printing segfault info
parisc: Drop TIF_RESTORE_SIGMASK and switch to generic code
parisc: Mark cr16 clocksource unstable on SMP systems
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Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Add Video Processing Unit and CVBS Output nodes, and enable CVBS on selected
boards.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Commit 1be81ea5860744520 ("ARM: dts: imx6: Add imx-weim parameters to
dtsi's") causes the following probe error when the weim node is not
present on the board dts (such as imx6q-sabresd):
imx-weim 21b8000.weim: Invalid 'ranges' configuration
imx-weim: probe of 21b8000.weim failed with error -22
There is no need to always enable the "weim" node on mx6. Do the same
as in the other i.MX dtsi files where "weim" is disabled and only gets
enabled on a per dts basis.
All the imx6 weim dts users explicitily provide 'status = "okay"', so
this change has no impact on current imx6 weim users.
If a board does not use the weim driver it will not describe its 'ranges'
property, so simply disable the 'weim' node in the imx6 dtsi files to
avoid such probe error message.
Fixes: 1be81ea5860744520 ("ARM: dts: imx6: Add imx-weim parameters to dtsi's")
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Martin Schwidefsky:
"Two bug fixes for 4.10-rc3"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/kbuild: enable modversions for symbols exported from asm
s390/vtime: correct system time accounting
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Add a leading line break else printed line gets too long.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v4.9
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Pull Openrisc fix from Stafford Horne:
"There was nothing much interesting here except a build fix pointed out
by the test robots. Highlight:
- Defined _text symbol to fix build error"
* tag 'openrisc-for-linus' of git://github.com/openrisc/linux:
openrisc: Add _text symbol to fix ksym build error
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As per the device tree binding the apq8064 scm node requires the core
clock to be specified, so add this.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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Everytime the usb20 phy is enabled, there is a
"sleeping function called from invalid context" BUG.
In addition, there is a recursive locking happening
because of the recurse call to clk_enable().
clk_enable() from arch/arm/mach-davinci/clock.c uses
spin_lock_irqsave() before to invoke the callback
usb20_phy_clk_enable(). usb20_phy_clk_enable() uses
clk_get() and clk_enable_prepapre() which may sleep.
Replace clk_prepare_enable() by davinci_clk_enable().
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Suggested-by: David Lechner <david@lechnology.com>
[nsekhar@ti.com: minor commit description adjustment]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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In some cases, there is a need to enable a clock as part of
clock enable callback of a different clock. For example, USB
2.0 PHY clock enable requires USB 2.0 clock to be enabled.
In this case, it is safe to instead call __clk_enable()
since the clock framework lock is already taken. Calling
clk_enable() causes recursive locking error.
A similar case arises in the clock disable path.
To enable such usage, make __clk_{enable,disable} functions
publicly available outside of clock.c. Also, call them
davinci_clk_{enable|disable} now to be consistent with how
other davinci-specific clock functions are named.
Note that these functions are not exported to drivers. They
are meant for usage in platform specific clock management
code.
Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Suggested-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Similarly to the aemif clock - this screws up the linked list of clock
children. Create a separate clock for mdio inheriting the rate from
emac_clk.
Cc: <stable@vger.kernel.org> # 3.12.x-
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
[nsekhar@ti.com: add a comment over mdio_clk to explaing its existence +
commit headline updates]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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The aemif clock is added twice to the lookup table in da850.c. This
breaks the children list of pll0_sysclk3 as we're using the same list
links in struct clk. When calling clk_set_rate(), we get stuck in
propagate_rate().
Create a separate clock for nand, inheriting the rate of the aemif
clock and retrieve it in the davinci_nand module.
Cc: <stable@vger.kernel.org> # 4.9.x
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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There is no need to define map_io only for debug_ll_io_init() since it
is already called in devicemaps_init() if map_io is NULL.
Apart from that, for NOMMU build debug_ll_io_init() is a nop which
leads to following error:
CC arch/arm/mach-imx/mach-imx1.o
arch/arm/mach-imx/mach-imx1.c:40:13: error: 'debug_ll_io_init' undeclared here (not in a function)
.map_io = debug_ll_io_init,
^
make[1]: *** [arch/arm/mach-imx/mach-imx1.o] Error 1
Cc: Alexander Shiyan <shc_work@mail.ru>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Found while reviewing Marvell dsa bindings usage.
Fixes: f283745b3caf ("arm: vf610: zii devel b: Add support for switch interrupts")
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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