This commit removes some useless traces in some source files
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use netdev_alloc_frag() instead of kmalloc to allocate space for
the S/G table of egress multi-buffer frames.

This fixes a bug where an unaligned pointer received from the
allocator would be overwritten with the 64B aligned value,
leading to a wrong address being later passed to kfree.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warnings:

  CHECK: Avoid CamelCase: <normalMode>
  CHECK: Avoid CamelCase: <improve4LowModulationIndex>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warning:

  CHECK: Avoid CamelCase: <lnaGain>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warning:

  CHECK: Avoid CamelCase: <DIONumber>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warnings:

  CHECK: Avoid CamelCase: <bitRate>
  CHECK: Avoid CamelCase: <bitRate_min>
  CHECK: Avoid CamelCase: <bitRate_reg>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warning:

  CHECK: Avoid CamelCase: <syncSize>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warning:

  CHECK: Avoid CamelCase: <preambleLength>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixes checkpatch warnings:

  CHECK: Avoid CamelCase: <setup_GPIOs>
  CHECK: Avoid CamelCase: <free_GPIOs>
Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

For NAND flash chips with more than 1Gbit (e.g. MT29F2G) more than 16 bits
are necessary to address the correct page.
Signed-off-by: Palle Christensen <palle.christensen@microsemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

A mutex object that is initialized but not destroyed.This patch destroys
the mutex object
Signed-off-by: HariPrasath Elango <hariprasath.elango@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Kmalloc followed by memcpy can be replaced by kmemdup.
Signed-off-by: HariPrasath Elango <hariprasath.elango@gmail.com>
Reviewed-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Destroy the mutex object that is initialized in wlan_init_locks()
Signed-off-by: HariPrasath Elango <hariprasath.elango@gmail.com>
Reviewed-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix the code alignment for a block of code to adhere to coding
guidelines
Signed-off-by: HariPrasath Elango <hariprasath.elango@gmail.com>
Reviewed-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Ack ai fifo error interrupts in interrupt handler to clear interrupt
after fifo overflow.  It should prevent lock-ups after the ai fifo
overflows.

Cc: <stable@vger.kernel.org> # v4.2+
Signed-off-by: Frank Mori Hess <fmh6jj@gmail.com>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed coding style issue.
Signed-off-by: Pratik Jain <pratik.jain0509@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Changing return type from int to loff_t. Actual return type of the
function (vfs_llseek) is loff_t (long long). Here due to implicit
converion from long long to int, result will be implementation defined.
Signed-off-by: Rohit Kumar <rohit12techie@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Changes the usage of the word 'Chose' to 'Choose' in the ION
Memory Manager Kconfig.
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Acked-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix sparse warning:

  CHECK   drivers/staging//lustre/lnet/lnet/acceptor.c
drivers/staging//lustre/lnet/lnet/acceptor.c:243:30: warning: cast to
restricted __le32

LNET_PROTO_TCP_MAGIC, as a define, is already CPU byte-ordered when
compared to 'magic', so no need for a cast.
Signed-off-by: Justin Skists <j.skists@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Change typedef enum to enum and ensure compatibility of change. Issue
found with checkpatch.
Signed-off-by: Nishka Dasgupta <nishka.dasgupta_ug18@ashoka.edu.in>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove braces around single statement. Issue found with checkpatch.
Signed-off-by: Nishka Dasgupta <nishka.dasgupta_ug18@ashoka.edu.in>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Add blank line after declaration. Issue found with checkpatch.
Signed-off-by: Nishka Dasgupta <nishka.dasgupta_ug18@ashoka.edu.in>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We want the staging fixes in here as well to handle merge/test issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Pull x86/pti updates from Thomas Gleixner:
 "Another set of melted spectrum updates:

   - Iron out the last late microcode loading issues by actually
     checking whether new microcode is present and preventing the CPU
     synchronization to run into a timeout induced hang.

   - Remove Skylake C2 from the microcode blacklist according to the
     latest Intel documentation

   - Fix the VM86 POPF emulation which traps if VIP is set, but VIF is
     not. Enhance the selftests to catch that kind of issue

   - Annotate indirect calls/jumps for objtool on 32bit. This is not a
     functional issue, but for consistency sake its the right thing to
     do.

   - Fix a jump label build warning observed on SPARC64 which uses 32bit
     storage for the code location which is casted to 64 bit pointer w/o
     extending it to 64bit first.

   - Add two new cpufeature bits. Not really an urgent issue, but
     provides them for both x86 and x86/kvm work. No impact on the
     current kernel"

* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/microcode: Fix CPU synchronization routine
  x86/microcode: Attempt late loading only when new microcode is present
  x86/speculation: Remove Skylake C2 from Speculation Control microcode blacklist
  jump_label: Fix sparc64 warning
  x86/speculation, objtool: Annotate indirect calls/jumps for objtool on 32-bit kernels
  x86/vm86/32: Fix POPF emulation
  selftests/x86/entry_from_vm86: Add test cases for POPF
  selftests/x86/entry_from_vm86: Exit with 1 if we fail
  x86/cpufeatures: Add Intel PCONFIG cpufeature
  x86/cpufeatures: Add Intel Total Memory Encryption cpufeature

Pull x86 fix from Thomas Gleixner:
 "A single fix for vmalloc_fault() which uses p*d_huge() unconditionally
  whether CONFIG_HUGETLBFS is set or not. In case of CONFIG_HUGETLBFS=n
  this results in a crash as p*d_huge() returns 0 in that case"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mm: Fix vmalloc_fault to use pXd_large

Pull irq fixes from Thomas Gleixner:
 "Three fixes for irq chip drivers:

   - Make sure the allocations in the GIC-V3 ITS driver are large enough
     to accomodate the interrupt space

   - Fix a misplaced __iomem annotation which causes a splat of 26
     sparse warnings

   - Remove an unused function in the IMX GPCV2 driver which causes
     build warnings"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/irq-imx-gpcv2: Remove unused function
  irqchip/gic-v3-its: Ensure nr_ites >= nr_lpis
  irqchip/gic-v3-its: Fix misplaced __iomem annotations

Pull EFI fix from Thomas Gleixner:
 "A single fix to prevent partially initialized pointers in mixed mode
  (64bit kernel on 32bit UEFI)"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/libstub/tpm: Initialize pointer variables to zero for mixed mode

Pull KVM fixes from Paolo Bonzini:
 "PPC:
   - fix bug leading to lost IPIs and smp_call_function_many() lockups
     on POWER9

  ARM:
   - locking fix
   - reset fix
   - GICv2 multi-source SGI injection fix
   - GICv2-on-v3 MMIO synchronization fix
   - make the console less verbose.

  x86:
   - fix device passthrough on AMD SME"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Fix device passthrough when SME is active
  kvm: arm/arm64: vgic-v3: Tighten synchronization for guests using v2 on v3
  KVM: arm/arm64: vgic: Don't populate multiple LRs with the same vintid
  KVM: arm/arm64: Reduce verbosity of KVM init log
  KVM: arm/arm64: Reset mapped IRQs on VM reset
  KVM: arm/arm64: Avoid vcpu_load for other vcpu ioctls than KVM_RUN
  KVM: arm/arm64: vgic: Add missing irq_lock to vgic_mmio_read_pending
  KVM: PPC: Book3S HV: Fix trap number return from __kvmppc_vcore_entry

Just when I had decided that flush_cache_range() was always called with
a valid context, Helge reported two cases where the
"BUG_ON(!vma->vm_mm->context);" was hit on the phantom buildd:

 kernel BUG at /mnt/sdb6/linux/linux-4.15.4/arch/parisc/kernel/cache.c:587!
 CPU: 1 PID: 3254 Comm: kworker/1:2 Tainted: G D 4.15.0-1-parisc64-smp #1 Debian 4.15.4-1+b1
 Workqueue: events free_ioctx
  IAOQ[0]: flush_cache_range+0x164/0x168
  IAOQ[1]: flush_cache_page+0x0/0x1c8
  RP(r2): unmap_page_range+0xae8/0xb88
 Backtrace:
  [<00000000404a6980>] unmap_page_range+0xae8/0xb88
  [<00000000404a6ae0>] unmap_single_vma+0xc0/0x188
  [<00000000404a6cdc>] zap_page_range_single+0x134/0x1f8
  [<00000000404a702c>] unmap_mapping_range+0x1cc/0x208
  [<0000000040461518>] truncate_pagecache+0x98/0x108
  [<0000000040461624>] truncate_setsize+0x9c/0xb8
  [<00000000405d7f30>] put_aio_ring_file+0x80/0x100
  [<00000000405d803c>] aio_free_ring+0x8c/0x290
  [<00000000405d82c0>] free_ioctx+0x80/0x180
  [<0000000040284e6c>] process_one_work+0x21c/0x668
  [<00000000402854c4>] worker_thread+0x20c/0x778
  [<0000000040291d44>] kthread+0x2d4/0x2e0
  [<0000000040204020>] end_fault_vector+0x20/0xc0

This indicates that we need to handle the no context case in
flush_cache_range() as we do in flush_cache_mm().

In thinking about this, I realized that we don't need to flush the TLB
when there is no context.  So, I added context checks to the large flush
cases in flush_cache_mm() and flush_cache_range().  The large flush case
occurs frequently in flush_cache_mm() and the change should improve fork
performance.

The v2 version of this change removes the BUG_ON from flush_cache_page()
by skipping the TLB flush when there is no context.  I also added code
to flush the TLB in flush_cache_mm() and flush_cache_range() when we
have a context that's not current.  Now all three routines handle TLB
flushes in a similar manner.
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # 4.9+
Signed-off-by: Helge Deller <deller@gmx.de>

Pull btrfs fixes from David Sterba:
 "There's an important revert in this pull request that needs to go to
  stable as it causes a corruption on big endian machines.

  The other fix is for FIEMAP incorrectly reporting shared extents
  before a sync and one fix for a crash in raid56.

  So far we got only one report about the BE corruption, the stable
  kernels were out for like a week, so hopefully the scope of the damage
  is low"

* tag 'for-4.16-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  Revert "btrfs: use proper endianness accessors for super_copy"
  btrfs: add missing initialization in btrfs_check_shared
  btrfs: Fix NULL pointer exception in find_bio_stripe

Pull microblaze fixes from Michal Simek:

 - Use NO_BOOTMEM to fix boot issue

 - Fix opt lib endian dependencies

* tag 'microblaze-4.16-rc6' of git://git.monstr.eu/linux-2.6-microblaze:
  microblaze: switch to NO_BOOTMEM
  microblaze: remove unused alloc_maybe_bootmem
  microblaze: Setup dependencies for ASM optimized lib functions

Emanuel reported an issue with a hang during microcode update because my
dumb idea to use one atomic synchronization variable for both rendezvous
- before and after update - was simply bollocks:

  microcode: microcode_reload_late: late_cpus: 4
  microcode: __reload_late: cpu 2 entered
  microcode: __reload_late: cpu 1 entered
  microcode: __reload_late: cpu 3 entered
  microcode: __reload_late: cpu 0 entered
  microcode: __reload_late: cpu 1 left
  microcode: Timeout while waiting for CPUs rendezvous, remaining: 1

CPU1 above would finish, leave and the others will still spin waiting for
it to join.

So do two synchronization atomics instead, which makes the code a lot more
straightforward.

Also, since the update is serialized and it also takes quite some time per
microcode engine, increase the exit timeout by the number of CPUs on the
system.

That's ok because the moment all CPUs are done, that timeout will be cut
short.

Furthermore, panic when some of the CPUs timeout when returning from a
microcode update: we can't allow a system with not all cores updated.

Also, as an optimization, do not do the exit sync if microcode wasn't
updated.
Reported-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lkml.kernel.org/r/20180314183615.17629-2-bp@alien8.de

Return UCODE_NEW from the scanning functions to denote that new microcode
was found and only then attempt the expensive synchronization dance.
Reported-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Emanuel Czirai <xftroxgpx@protonmail.com>
Tested-by: Ashok Raj <ashok.raj@intel.com>
Tested-by: Tom Lendacky <thomas.lendacky@amd.com>
Link: https://lkml.kernel.org/r/20180314183615.17629-1-bp@alien8.de

Pull drm fixes from Dave Airlie:
 "i915, amd and nouveau fixes.

  i915:
   - backlight fix for some panels
   - pm fix
   - fencing fix
   - some GVT fixes

  amdgpu:
   - backlight fix across suspend/resume
   - object destruction ordering issue fix
   - displayport fix

  nouveau:
   - two backlight fixes
   - fix for some lockups

  Pretty quiet week, seems like everyone was fixing backlights"

* tag 'drm-fixes-for-v4.16-rc6' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau/bl: fix backlight regression
  drm/nouveau/bl: Fix oops on driver unbind
  drm/nouveau/mmu: ALIGN_DOWN correct variable
  drm/i915/gvt: fix user copy warning by whitelist workload rb_tail field
  drm/i915/gvt: Correct the privilege shadow batch buffer address
  drm/amdgpu/dce: Don't turn off DP sink when disconnected
  drm/amdgpu: save/restore backlight level in legacy dce code
  drm/radeon: fix prime teardown order
  drm/amdgpu: fix prime teardown order
  drm/i915: Kick the rps worker when changing the boost frequency
  drm/i915: Only prune fences after wait-for-all
  drm/i915: Enable VBT based BL control for DP
  drm/i915/gvt: keep oa config in shadow ctx
  drm/i915/gvt: Add runtime_pm_get/put into gvt_switch_mmio

This reverts commit 3c181c12.

The offending patch was merged in 4.16-rc4 and was promptly applied to
stable kernels 4.14.25 and 4.15.8.

The patch causes a corruption in several superblock items on big-endian
machines because of messed up endianity conversions. The damage is
manually repairable. A filesystem cannot be mounted again after it has
been unmounted once.

We do a full revert and not a fixup so stable can pick that patch ASAP.

Fixes: 3c181c12 ("btrfs: use proper endianness accessors for super_copy")
Link: https://lkml.kernel.org/r/1521139304@msgid.manchmal.in-ulm.de
CC: stable@vger.kernel.org # 4.14+
Reported-by: Christoph Biedl <linux-kernel.bfrz@manchmal.in-ulm.de>
Signed-off-by: David Sterba <dsterba@suse.com>

When using device passthrough with SME active, the MMIO range that is
mapped for the device should not be mapped encrypted.  Add a check in
set_spte() to insure that a page is not mapped encrypted if that page
is a device MMIO page as indicated by kvm_is_mmio_pfn().

Cc: <stable@vger.kernel.org> # 4.14.x-
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

Microblaze doesn't set CONFIG_NO_BOOTMEM and so memblock_virt_alloc()
doesn't work for CONFIG_HAVE_MEMBLOCK && !CONFIG_NO_BOOTMEM.

Similar change was already done by others architectures
"ARM: mm: Remove bootmem code and switch to NO_BOOTMEM"
(sha1: 84f452b1)
or
"openrisc: Consolidate setup to use memblock instead of bootmem"
(sha1: 266c7fad)
or
"parisc: Drop bootmem and switch to memblock"
(sha1: 4fe9e1d9)
or
"powerpc: Remove bootmem allocator"
(sha1: 10239733)
or
"s390/mm: Convert bootmem to memblock"
(sha1: 50be6345)
or
"sparc64: Convert over to NO_BOOTMEM."
(sha1: 625d693e)
or
"xtensa: drop sysmem and switch to memblock"
(sha1: 0e46c111)

Issue was introduced by:
"of/fdt: use memblock_virt_alloc for early alloc"
(sha1: 0fa1c579)
Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Alvaro Gamez Machado <alvaro.gamez@hazent.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

alloc_maybe_bootmem is unused, so remove it.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

The patch:
"microblaze: Setup proper dependency for optimized lib functions"
(sha1: 7b6ce52b)
didn't setup all dependencies properly.
Optimized lib functions in C are also present for little endian
and optimized library functions in assembler are implemented only for
big endian version.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>