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982,081 commits

Author SHA1 Message Date
Rafael J. Wysocki
0db0d142e2 Merge branch 'acpi-pci'
* acpi-pci:
  ACPI/PCI: pci_link: use extended_irq union member when setting ext-irq shareable
2020-04-24 21:03:57 +02:00
Leon Romanovsky
f0abc761bb RDMA/core: Fix race between destroy and release FD object
The call to ->lookup_put() was too early and it caused an unlock of the
read/write protection of the uobject after the FD was put. This allows a
race:

     CPU1                                 CPU2
 rdma_lookup_put_uobject()
   lookup_put_fd_uobject()
     fput()
				   fput()
				     uverbs_uobject_fd_release()
				       WARN_ON(uverbs_try_lock_object(uobj,
					       UVERBS_LOOKUP_WRITE));
   atomic_dec(usecnt)

Fix the code by changing the order, first unlock and call to
->lookup_put() after that.

Fixes: 3832125624 ("IB/core: Add support for idr types")
Link: https://lore.kernel.org/r/20200423060122.6182-1-leon@kernel.org
Suggested-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-04-24 15:40:41 -03:00
Damien Le Moal
a5fe13c7b4
riscv: select ARCH_HAS_STRICT_KERNEL_RWX only if MMU
ARCH_HAS_STRICT_KERNEL_RWX is not useful for NO-MMU systems.
Furthermore, has this option leads to very large boot image files on
64bits architectures, do not enable this option to allow supporting
no-mmu platforms such as the Kendryte K210 SoC based boards.

Fixes: 00cb41d5ad ("riscv: add alignment for text, rodata and data sections")
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Wladimir J. van der Laan <laanwj@gmail.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2020-04-24 11:40:40 -07:00
Linus Torvalds
4544db3f84 - Ensure context synchronisation after a write to APIAKey.
- Fix bullet list formatting in Documentation/arm64/amu.rst to eliminate
   doc warnings.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Ensure context synchronisation after a write to APIAKey.

 - Fix bullet list formatting in Documentation/arm64/amu.rst to
   eliminate doc warnings.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  Documentation: arm64: fix amu.rst doc warnings
  arm64: sync kernel APIAKey when installing
2020-04-24 11:34:43 -07:00
Rafael J. Wysocki
4bee16d7cc Merge branch 'pm-tools'
* pm-tools:
  pm-graph v5.6
2020-04-24 20:34:36 +02:00
Sudip Mukherjee
47c370c1a5 IB/rdmavt: Always return ERR_PTR from rvt_create_mmap_info()
The commit below modified rvt_create_mmap_info() to return ERR_PTR's but
didn't update the callers to handle them. Modify rvt_create_mmap_info() to
only return ERR_PTR and fix all error checking after
rvt_create_mmap_info() was called.

Fixes: ff23dfa134 ("IB: Pass only ib_udata in function prototypes")
Link: https://lore.kernel.org/r/20200424173146.10970-1-sudipm.mukherjee@gmail.com
Cc: stable@vger.kernel.org [5.4+]
Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-04-24 15:31:26 -03:00
Chris Wilson
9c878557b1 drm/i915/gt: Use the RPM config register to determine clk frequencies
For many configuration details within RC6 and RPS we are programming
intervals for the internal clocks. From gen11, these clocks are
configuration via the RPM_CONFIG and so for convenience, we would like
to convert to/from more natural units (ns).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Andi Shyti <andi.shyti@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424162805.25920-2-chris@chris-wilson.co.uk
2020-04-24 19:10:17 +01:00
Linus Torvalds
b9916af776 Kbuild fixes for v5.7
- fix scripts/config to properly handle ':' in string type CONFIG options
 
  - fix unneeded rebuilds of DT schema check rule
 
  - git rid of ordering dependency between <linux/vermagic.h> and
    <linux/module.h> to fix build errors in some network drivers
 
  - clean up generated headers of host arch with 'make ARCH=um mrproper'
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Merge tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix scripts/config to properly handle ':' in string type CONFIG
   options

 - fix unneeded rebuilds of DT schema check rule

 - git rid of ordering dependency between <linux/vermagic.h> and
   <linux/module.h> to fix build errors in some network drivers

 - clean up generated headers of host arch with 'make ARCH=um mrproper'

* tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  h8300: ignore vmlinux.lds
  Documentation: kbuild: fix the section title format
  um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/
  arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
  kbuild: fix DT binding schema rule again to avoid needless rebuilds
  scripts/config: allow colons in option strings for sed
2020-04-24 10:39:32 -07:00
Chris Wilson
555a322429 drm/i915/gt: Trace RPS events
Add tracek to the RPS events (interrupts, worker, enabling, threshold
selection, frequency setting), so that if we have to debug reticent HW
we have some traces to start from.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200424162805.25920-1-chris@chris-wilson.co.uk
2020-04-24 18:38:46 +01:00
Linus Torvalds
9a19562852 AFS miscellany
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Merge tag 'afs-fixes-20200424' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs

Pull misc AFS fixes from David Howells:
 "Three miscellaneous fixes to the afs filesystem:

   - Remove some struct members that aren't used, aren't set or aren't
     read, plus a wake up that nothing ever waits for.

   - Actually set the AFS_SERVER_FL_HAVE_EPOCH flag so that the code
     that depends on it can work.

   - Make a couple of waits uninterruptible if they're done for an
     operation that isn't supposed to be interruptible"

* tag 'afs-fixes-20200424' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
  afs: Make record checking use TASK_UNINTERRUPTIBLE when appropriate
  afs: Fix to actually set AFS_SERVER_FL_HAVE_EPOCH
  afs: Remove some unused bits
2020-04-24 10:32:40 -07:00
Linus Torvalds
b4ecf26ea2 sound fixes for 5.7-rc3
This became a slightly big pull request, as the accumulated ASoC
 fixes are included here.  Some highlights:
 
 - Revert of ASoC DAI startup changes that caused regression on some
   x86 platforms
 
 - Regression fix in HD-audio power management and driver blacklist
 
 - A collection of ASoC DAPM and topology fixes
 
 - Continued USB-audio fixes and quirks
 
 - Lots of small device-specific fixes
 
 - Rockchip S/PDIF DT stuff update for validation issues
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Merge tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "This became a slightly big pull request, as the accumulated ASoC fixes
  are included here. Some highlights:

   - Revert of ASoC DAI startup changes that caused regression on some
     x86 platforms

   - Regression fix in HD-audio power management and driver blacklist

   - A collection of ASoC DAPM and topology fixes

   - Continued USB-audio fixes and quirks

   - Lots of small device-specific fixes

   - Rockchip S/PDIF DT stuff update for validation issues"

* tag 'sound-5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (51 commits)
  ALSA: hda: Always use jackpoll helper for jack update after resume
  ALSA: hda/realtek - Add new codec supported for ALC245
  ALSA: usb-audio: Fix usb audio refcnt leak when getting spdif
  ALSA: usb-audio: Add connector notifier delegation
  ALSA: usb-audio: Apply async workaround for Scarlett 2i4 2nd gen
  ASoC: wm8960: Fix wrong clock after suspend & resume
  ALSA: usx2y: Fix potential NULL dereference
  ALSA: usb-audio: Add quirk for Focusrite Scarlett 2i2
  ASoC: wm89xx: Add missing dependency
  ASoC: dapm: fixup dapm kcontrol widget
  ASoC: rsnd: Fix "status check failed" spam for multi-SSI
  ASoC: rsnd: Don't treat master SSI in multi SSI setup as parent
  ASoC: meson: gx-card: fix codec-to-codec link setup
  ASoC: meson: axg-card: fix codec-to-codec link setup
  ALSA: usb-audio: Add static mapping table for ALC1220-VB-based mobos
  ALSA: hda: Remove ASUS ROG Zenith from the blacklist
  ALSA: hda/realtek - Fix unexpected init_amp override
  ALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices
  ASoC: SOF: Intel: add min/max channels for SSP on Baytrail/Broadwell
  ASoC: stm32: sai: fix sai probe
  ...
2020-04-24 10:27:43 -07:00
Linus Torvalds
88412a4e00 drm fixes for 5.7-rc3
core:
 - mst: zero pbn when releasing vcpi slots
 
 amdgpu:
 - Fix resume issue on renoir
 - Thermal fix for older CI dGPUs
 - Fix some fallout from dropping drm load/unload callbacks
 
 i915:
 - Tigerlake Workaround - disabling media recompression (Matt)
 - Fix RPS interrupts for right GPU frequency (Chris)
 - HDCP fix prime check (Oliver)
 - Tigerlake Thunderbolt power well fix (Matt)
 - Tigerlake DP link training fixes (Jose)
 - Documentation sphinx build fix (Jani)
 - Fix enable_dpcd_backlight modparam (Lyude)
 
 analogix-dp:
 - binding fix
 
 meson:
 - remove unneeded error message
 
 bindings:
 - fix warnings
 - fix lvds binding
 
 scheduler:
 - thread racing fix
 
 tidss:
 - use after free fix
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Merge tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Weekly regular fixes for drm, The usual rc3 uptick here, but nothing
  too crazy or notable.

  core:
   - mst: zero pbn when releasing vcpi slots

  amdgpu:
   - Fix resume issue on renoir
   - Thermal fix for older CI dGPUs
   - Fix some fallout from dropping drm load/unload callbacks

  i915:
   - Tigerlake Workaround - disabling media recompression (Matt)
   - Fix RPS interrupts for right GPU frequency (Chris)
   - HDCP fix prime check (Oliver)
   - Tigerlake Thunderbolt power well fix (Matt)
   - Tigerlake DP link training fixes (Jose)
   - Documentation sphinx build fix (Jani)
   - Fix enable_dpcd_backlight modparam (Lyude)

  analogix-dp:
   - binding fix

  meson:
   - remove unneeded error message

  bindings:
   - fix warnings
   - fix lvds binding

  scheduler:
   - thread racing fix

  tidss:
   - use after free fix"

* tag 'drm-fixes-2020-04-24' of git://anongit.freedesktop.org/drm/drm:
  drm/i915/dpcd_bl: Unbreak enable_dpcd_backlight modparam
  drm/i915: fix Sphinx build duplicate label warning
  drm/i915/display: Load DP_TP_CTL/STATUS offset before use it
  drm/i915/tgl: TBT AUX should use TC power well ops
  drm/i915: HDCP: fix Ri prime check done during link check
  drm/i915/gt: Update PMINTRMSK holding fw
  drm/i915/tgl: Add Wa_14010477008:tgl
  drm/tidss: fix crash related to accessing freed memory
  drm/dp_mst: Zero assigned PBN when releasing VCPI slots
  drm/amdgpu/display: give aux i2c buses more meaningful names
  drm/amdgpu/display: fix aux registration (v2)
  drm/amdgpu: Correctly initialize thermal controller for GPUs with Powerplay table v0 (e.g Hawaii)
  drm/amd/powerplay: fix resume failed as smu table initialize early exit
  drm/scheduler: fix drm_sched_get_cleanup_job
  drm/meson: Delete an error message in meson_dw_hdmi_bind()
  drm/bridge: anx6345: set correct BPC for display_info of connector
  dt-bindings: display: allow port and ports in panel-lvds
  dt-bindings: display: xpp055c272: Remove the reg property
  dt-bindings: display: ltk500hd1829: Remove the reg property
  drm/bridge: analogix_dp: Split bind() into probe() and real bind()
2020-04-24 10:20:08 -07:00
Thomas Gleixner
9020d39563 x86/alternatives: Move temporary_mm helpers into C
The only user of these inlines is the text poke code and this must not be
exposed to the world.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421092559.139069561@linutronix.de
2020-04-24 19:12:56 +02:00
Suganath Prabu
ce4c43065c scsi: mpt3sas: Update mpt3sas version to 33.101.00.00
Update mpt3sas driver version from 33.100.00.00 to 33.101.00.00.

Link: https://lore.kernel.org/r/1587626596-1044-6-git-send-email-suganath-prabu.subramani@broadcom.com
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 13:08:18 -04:00
Suganath Prabu
8012209eb2 scsi: mpt3sas: Handle RDPQ DMA allocation in same 4G region
For INVADER_SERIES, each set of 8 reply queues (0 - 7, 8 - 15,..), and for
VENTURA_SERIES, each set of 16 reply queues (0 - 15, 16 - 31,..) need to be
within the same 4 GB boundary. Driver uses limitation of VENTURA_SERIES to
manage INVADER_SERIES as well. The driver is allocating the DMA able
memory for RDPQs accordingly.

1) At driver load, set DMA mask to 64 and allocate memory for RDPQs

2) Check if allocated resources for RDPQ are in the same 4GB range

3) If #2 is true, continue with 64 bit DMA and go to #6

4) If #2 is false, then free all the resources from #1

5) Set DMA mask to 32 and allocate RDPQs

6) Proceed with driver loading and other allocations

Link: https://lore.kernel.org/r/1587626596-1044-5-git-send-email-suganath-prabu.subramani@broadcom.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 13:08:18 -04:00
Suganath Prabu
85896421df scsi: mpt3sas: Separate out RDPQ allocation to new function
For readability separate out RDPQ allocations to new function
base_alloc_rdpq_dma_pool().

Link: https://lore.kernel.org/r/1587626596-1044-4-git-send-email-suganath-prabu.subramani@broadcom.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 13:08:17 -04:00
Suganath Prabu
550dc875cf scsi: mpt3sas: Rename function name is_MSB_are_same
Rename is_MSB_are_same() to mpt3sas_check_same_4gb_region() for better
readability.

Link: https://lore.kernel.org/r/1587626596-1044-3-git-send-email-suganath-prabu.subramani@broadcom.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 13:08:16 -04:00
Christoph Hellwig
ba27c5cf28 scsi: mpt3sas: Don't change the DMA coherent mask after allocations
The DMA layer does not allow changing the DMA coherent mask after there are
outstanding allocations.

Link: https://lore.kernel.org/r/1587626596-1044-2-git-send-email-suganath-prabu.subramani@broadcom.com
Reported-by: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 13:08:15 -04:00
Thomas Gleixner
cb2a02355b x86/cr4: Sanitize CR4.PCE update
load_mm_cr4_irqsoff() is really a strange name for a function which has
only one purpose: Update the CR4.PCE bit depending on the perf state.

Rename it to update_cr4_pce_mm(), move it into the tlb code and provide a
function which can be invoked by the perf smp function calls.

Another step to remove exposure of cpu_tlbstate.

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421092559.049499158@linutronix.de
2020-04-24 19:01:17 +02:00
Jaroslav Kysela
b8d3ad51df
ASoC: snd-sof-intel-hda-common - add hda_model parameter and pass it to HDA codec driver
It may be useful to pass the specific model to the generic HDA codec
routines like the legacy HDA driver (snd-hda-intel) allows.
The model name "sofbus" is tricky anyway.

Original proposal: https://lore.kernel.org/alsa-devel/20191203161908.7496-1-perex@perex.cz/

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20200424092520.23989-1-perex@perex.cz
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-04-24 18:00:01 +01:00
Jules Irenge
bc834e074e scsi: bnx2fc: Add missing annotation for bnx2fc_abts_cleanup()
Sparse reports the following warning:

  warning: context imbalance in bnx2fc_abts_cleanup() - unexpected unlock

The root cause is the missing annotation at bnx2fc_abts_cleanup(). Add the
missing __must_hold(&tgt->tgt_lock) annotation.

Link: https://lore.kernel.org/r/20200411001933.10072-8-jbi.octave@gmail.com
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:56:37 -04:00
Paolo Bonzini
7c67f54661 KVM: SVM: do not allow VMRUN inside SMM
VMRUN is not supported inside the SMM handler and the behavior is undefined.
Just raise a #UD.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-24 12:53:18 -04:00
David Matlack
acd05785e4 kvm: add capability for halt polling
KVM_CAP_HALT_POLL is a per-VM capability that lets userspace
control the halt-polling time, allowing halt-polling to be tuned or
disabled on particular VMs.

With dynamic halt-polling, a VM's VCPUs can poll from anywhere from
[0, halt_poll_ns] on each halt. KVM_CAP_HALT_POLL sets the
upper limit on the poll time.

Signed-off-by: David Matlack <dmatlack@google.com>
Signed-off-by: Jon Cargille <jcargill@google.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Message-Id: <20200417221446.108733-1-jcargill@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-24 12:53:17 -04:00
Sean Christopherson
87796555d4 KVM: nVMX: Store vmcs.EXIT_QUALIFICATION as an unsigned long, not u32
Use an unsigned long for 'exit_qual' in nested_vmx_reflect_vmexit(), the
EXIT_QUALIFICATION field is naturally sized, not a 32-bit field.

The bug is most easily observed by doing VMXON (or any VMX instruction)
in L2 with a negative displacement, in which case dropping the upper
bits on nested VM-Exit results in L1 calculating the wrong virtual
address for the memory operand, e.g. "vmxon -0x8(%rbp)" yields:

  Unhandled cpu exception 14 #PF at ip 0000000000400553
  rbp=0000000000537000 cr2=0000000100536ff8

Fixes: fbdd502503 ("KVM: nVMX: Move VM-Fail check out of nested_vmx_exit_reflected()")
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200423001127.13490-1-sean.j.christopherson@intel.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-24 12:51:21 -04:00
Alex Dewar
d1ec20a55f scsi: aic7xxx: Remove unnecessary NULL checks before kfree
There are a number of places in the aic7xxx driver where a NULL check is
performed before a kfree(). However, kfree() already performs NULL checks
so this is unnecessary. Remove the checks.

Issue identified with Coccinelle.

Link: https://lore.kernel.org/r/20200403164712.49579-1-alex.dewar@gmx.co.uk
Signed-off-by: Alex Dewar <alex.dewar@gmx.co.uk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:48:48 -04:00
Alex Dewar
9cd7d494bd scsi: aic7xxx: Use kzalloc() instead of kmalloc()+memset()
There are a couple of places where kzalloc() could be used directly instead
of calling kmalloc() then memset(). Replace them.

Link: https://lore.kernel.org/r/20200403163611.46756-1-alex.dewar@gmx.co.uk
Signed-off-by: Alex Dewar <alex.dewar@gmx.co.uk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:48:06 -04:00
Thomas Gleixner
d8f0b35331 x86/cpu: Uninline CR4 accessors
cpu_tlbstate is exported because various TLB-related functions need
access to it, but cpu_tlbstate is sensitive information which should
only be accessed by well-contained kernel functions and not be directly
exposed to modules.

The various CR4 accessors require cpu_tlbstate as the CR4 shadow cache
is located there.

In preparation for unexporting cpu_tlbstate, create a builtin function
for manipulating CR4 and rework the various helpers to use it.

No functional change.

 [ bp: push the export of native_write_cr4() only when CONFIG_LKTDM=m to
   the last patch in the series. ]

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421092558.939985695@linutronix.de
2020-04-24 18:46:42 +02:00
Xu Wang
f8e25f9740 scsi: cxgb4i: Remove superfluous null check
In do_abort_rpl_rss, the null check of 'clk' is not needed.

Link: https://lore.kernel.org/r/20200402110832.12712-1-vulab@iscas.ac.cn
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:38:44 -04:00
Jiaxun Yang
c213db6146 MIPS: Clear XContext at boot time
XContext might be dirty at boot time. We need to clear it
to ensure early stackframe is safe.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-24 18:37:23 +02:00
Liangliang Huang
d82d500f51 MIPS: arch_send_call_function_single_ipi() calling conventions change
Use mp_ops->send_ipi_single() instead of mp_ops->send_ipi_mask() in
arch_send_call_function_single_ipi(). send_ipi_single() can send
IPI signal to a special cpu more efficiently.

Signed-off-by: Liangliang Huang <huangll@lemote.com>
Reviewed-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-24 18:27:51 +02:00
Chris Wilson
1ebf7aaf3a drm/i915/gt: Prefer soft-rc6 over RPS DOWN_TIMEOUT
The RPS DOWN_TIMEOUT interrupt is signaled after a period of rc6, and
upon receipt of that interrupt we reprogram the GPU clocks down to the
next idle notch [to help convserve power during rc6]. However, on
execlists, we benefit from soft-rc6 immediately parking the GPU and
setting idle frequencies upon idling [within a jiffie], and here the
interrupt prevents us from restarting from our last frequency.

In the process, we can simply opt for a static pm_events mask and rely
on the enable/disable interrupts to flush the worker on parking.

This will reduce the amount of oscillation observed during steady
workloads with microsleeps, as each time the rc6 timeout occurs we
immediately follow with a waitboost for a dropped frame.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Andi Shyti <andi.shyti@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200422001703.1697-1-chris@chris-wilson.co.uk
2020-04-24 17:20:58 +01:00
Huacai Chen
f83e4f9896 MIPS: Loongson-3: Add some unaligned instructions emulation
1, Add unaligned gslq, gssq, gslqc1, gssqc1 emulation;
2, Add unaligned gsl{h, w, d}x, gss{h, w, d}x emulation;
3, Add unaligned gslwxc1, gsswxc1, gsldxc1, gssdxc1 emulation.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Pei Huang <huangpei@loongson.cn>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-24 18:18:38 +02:00
Huacai Chen
d339cd02b8 MIPS: Move unaligned load/store helpers to inst.h
Move unaligned load/store helpers from unaligned.c to inst.h, then
other parts of the kernel can use these helpers.

Use __ASSEMBLY__ to guard the definition of "LONG" in asm.h to avoid
build error on IPxx platforms.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Signed-off-by: Pei Huang <huangpei@loongson.cn>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-24 18:18:06 +02:00
Huacai Chen
c05b5940d9 MIPS: Fix the declaration conflict of mm_isBranchInstr()
mm_isBranchInstr() is declared both in branch.h and in fpu_emulator.h
but the two declarations are conflict. If both of them are included by
a same file, they will cause a build error:

./arch/mips/include/asm/branch.h:33:19: error: static declaration of 'mm_isBranchInstr' follows non-static declaration
 static inline int mm_isBranchInstr(struct pt_regs *regs,
                   ^
./arch/mips/include/asm/fpu_emulator.h:177:5: note: previous declaration of 'mm_isBranchInstr' was here
 int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,

Fix this error by removing both isBranchInstr() and mm_isBranchInstr()
in fpu_emulator.h, and declaring both of them in branch.h.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2020-04-24 18:17:44 +02:00
Quinn Tran
c48f849d3f scsi: qla2xxx: Delete all sessions before unregister local nvme port
Delete all sessions before unregistering local nvme port.  This allows nvme
layer to decrement all active rport count down to zero.  Once the count is
down to zero, nvme would call qla to continue with the npiv port deletion.

PID: 27448  TASK: ffff9e34b777c1c0  CPU: 0   COMMAND: "qaucli"
 0 [ffff9e25e84abbd8] __schedule at ffffffff977858ca
 1 [ffff9e25e84abc68] schedule at ffffffff97785d79
 2 [ffff9e25e84abc78] schedule_timeout at ffffffff97783881
 3 [ffff9e25e84abd28] wait_for_completion at ffffffff9778612d
 4 [ffff9e25e84abd88] qla_nvme_delete at ffffffffc0e3024e [qla2xxx]
 5 [ffff9e25e84abda8] qla24xx_vport_delete at ffffffffc0e024b9 [qla2xxx]
 6 [ffff9e25e84abdf0] fc_vport_terminate at ffffffffc011c247 [scsi_transport_fc]
 7 [ffff9e25e84abe28] store_fc_host_vport_delete at ffffffffc011cd94 [scsi_transport_fc]
 8 [ffff9e25e84abe70] dev_attr_store at ffffffff974b376b
 9 [ffff9e25e84abe80] sysfs_kf_write at ffffffff972d9a92
10 [ffff9e25e84abe90] kernfs_fop_write at ffffffff972d907b
11 [ffff9e25e84abec8] vfs_write at ffffffff9724c790
12 [ffff9e25e84abf08] sys_write at ffffffff9724d55f
13 [ffff9e25e84abf50] system_call_fastpath at ffffffff97792ed2
    RIP: 00007fc0bd81a6fd  RSP: 00007ffff78d9648  RFLAGS: 00010202
    RAX: 0000000000000001  RBX: 0000000000000022  RCX: 00007ffff78d96e0
    RDX: 0000000000000022  RSI: 00007ffff78d94e0  RDI: 0000000000000008
    RBP: 00007ffff78d9440   R8: 0000000000000000   R9: 00007fc0bd48b2cd
    R10: 0000000000000017  R11: 0000000000000293  R12: 0000000000000000
    R13: 00005624e4dac840  R14: 00005624e4da9a10  R15: 0000000000000000
    ORIG_RAX: 0000000000000001  CS: 0033  SS: 002b

Link: https://lore.kernel.org/r/20200331104015.24868-4-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:17:06 -04:00
Arun Easi
45a76264c2 scsi: qla2xxx: Fix hang when issuing nvme disconnect-all in NPIV
In NPIV environment, a NPIV host may use a queue pair created by base host
or other NPIVs, so the check for a queue pair created by this NPIV is not
correct, and can cause an abort to fail, which in turn means the NVME
command not returned.  This leads to hang in nvme_fc layer in
nvme_fc_delete_association() which waits for all I/Os to be returned, which
is seen as hang in the application.

Link: https://lore.kernel.org/r/20200331104015.24868-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:16:57 -04:00
Arun Easi
cbb01c2f2f scsi: qla2xxx: Fix MPI failure AEN (8200) handling
Today, upon an MPI failure AEN, on top of collecting an MPI dump, a regular
firmware dump is also taken and then chip reset. This is disruptive to IOs
and not required. Make the firmware dump collection, followed by chip
reset, optional (not done by default).

Firmware dump buffer and MPI dump buffer are independent of each
other with this change and each can have dump that was taken at two
different times for two different issues. The MPI dump is saved in a
separate buffer and is retrieved differently from firmware dump.

To collect full dump on MPI failure AEN, a module parameter is
introduced:
    ql2xfulldump_on_mpifail (default: 0)

Link: https://lore.kernel.org/r/20200331104015.24868-2-njavali@marvell.com
Reported-by: kbuild test robot <lkp@intel.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-04-24 12:15:47 -04:00
Colin Ian King
d971d42f06 amdgpu/dc: remove redundant assignment to variable 'option'
The variable option is being initialized with a value that is
never read and it is being updated later with a new value.  The
initialization is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Colin Ian King
abb17b1edf drm/amdgpu/gmc: Use consistent variable on unlocks
Currently the error returns paths are unlocking lock kiq->ring_lock
however it seems this should be dev->gfx.kiq.ring_lock as this
is the lock that is being locked and unlocked around the ring
operations.  This looks like a bug, but it's not.  The kiq is just
a local variable pointing to the same structure.  Make it consistent.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Colin Ian King
a96f661a47 drm/amd/display: remove redundant assignment to variable ret
The variable ret is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Yintian Tao
04e4e2e955 drm/amdgpu: protect ring overrun
Wait for the oldest sequence on the ring
to be signaled in order to make sure there
will be no command overrun.

v2: fix coding stype and remove abs operation
v3: remove the initialization of variable r

Signed-off-by: Yintian Tao <yttao@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
312a79b6ea drm/amdgpu: extent threshold of waiting FLR_COMPLETE
to 5s to satisfy WHOLE GPU reset which need 3+ seconds to
finish

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
79bebabb88 drm/amdgpu: for nv12 always need smu ip
because nv12 SRIOV support one vf mode

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
8efd72759e drm/amdgpu: skip sysfs node not belong to one vf mode
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
38748ad88a drm/amdgpu: enable one vf mode for nv12
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
b217e6f579 drm/amdgpu: clear the messed up checking logic
for ARCTURUS+ ASICS, we always support SW_SMU for bare-metal
and for SRIOV one_vf_mode

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
c2ce6aebf0 drm/amdgpu: provide RREG32_SOC15_NO_KIQ, will be used later
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
c983361a72 drm/amdgpu: sriov is forbidden to call disable DPM
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
2f5a0a9119 drm/amdgpu: skip cg/pg set for SRIOV
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00
Monk Liu
1a0f3667d8 drm/amdgpu: ignore TA ucode for SRIOV
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Acked-by: Yintian Tao <yttao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-04-24 11:42:11 -04:00