<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-dev/drivers/infiniband, branch linus/master</title>
<subtitle>Linux kernel development work - see feature branches</subtitle>
<id>https://git.zx2c4.com/linux-dev/atom/drivers/infiniband?h=linus%2Fmaster</id>
<link rel='self' href='https://git.zx2c4.com/linux-dev/atom/drivers/infiniband?h=linus%2Fmaster'/>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/'/>
<updated>2022-05-27T04:08:40Z</updated>
<entry>
<title>Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma</title>
<updated>2022-05-27T04:08:40Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2022-05-27T04:08:40Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=780d8ce7162818cfe03e9a5e23b3af192a1d37bc'/>
<id>urn:sha1:780d8ce7162818cfe03e9a5e23b3af192a1d37bc</id>
<content type='text'>
Pull rdma updates from Jason Gunthorpe:
 "Small collection of incremental improvement patches:

   - Minor code cleanup patches, comment improvements, etc from static
     tools

   - Clean the some of the kernel caps, reducing the historical stealth
     uAPI leftovers

   - Bug fixes and minor changes for rdmavt, hns, rxe, irdma

   - Remove unimplemented cruft from rxe

   - Reorganize UMR QP code in mlx5 to avoid going through the IB verbs
     layer

   - flush_workqueue(system_unbound_wq) removal

   - Ensure rxe waits for objects to be unused before allowing the core
     to free them

   - Several rc quality bug fixes for hfi1"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (67 commits)
  RDMA/rtrs-clt: Fix one kernel-doc comment
  RDMA/hfi1: Remove all traces of diagpkt support
  RDMA/hfi1: Consolidate software versions
  RDMA/hfi1: Remove pointless driver version
  RDMA/hfi1: Fix potential integer multiplication overflow errors
  RDMA/hfi1: Prevent panic when SDMA is disabled
  RDMA/hfi1: Prevent use of lock before it is initialized
  RDMA/rxe: Fix an error handling path in rxe_get_mcg()
  IB/core: Fix typo in comment
  RDMA/core: Fix typo in comment
  IB/hf1: Fix typo in comment
  IB/qib: Fix typo in comment
  IB/iser: Fix typo in comment
  RDMA/mlx4: Avoid flush_scheduled_work() usage
  IB/isert: Avoid flush_scheduled_work() usage
  RDMA/mlx5: Remove duplicate pointer assignment in mlx5_ib_alloc_implicit_mr()
  RDMA/qedr: Remove unnecessary synchronize_irq() before free_irq()
  RDMA/hns: Use hr_reg_read() instead of remaining roce_get_xxx()
  RDMA/hns: Use hr_reg_xxx() instead of remaining roce_set_xxx()
  RDMA/irdma: Add SW mechanism to generate completions on error
  ...
</content>
</entry>
<entry>
<title>RDMA/rtrs-clt: Fix one kernel-doc comment</title>
<updated>2022-05-26T13:54:13Z</updated>
<author>
<name>Yang Li</name>
<email>yang.lee@linux.alibaba.com</email>
</author>
<published>2022-05-26T13:09:45Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=9c477178a0a187c4718c228cc6e0692564811441'/>
<id>urn:sha1:9c477178a0a187c4718c228cc6e0692564811441</id>
<content type='text'>
Add the description of @pathname and remove @sessname in rtrs_clt_open()
kernel-doc comment to remove warnings found by running scripts/kernel-doc,
which is caused by using 'make W=1'.

drivers/infiniband/ulp/rtrs/rtrs-clt.c:2809: warning: Function parameter or member 'pathname' not described in 'rtrs_clt_open'
drivers/infiniband/ulp/rtrs/rtrs-clt.c:2809: warning: Excess function parameter 'sessname' description in 'rtrs_clt_open'

Link: https://lore.kernel.org/r/20220526130945.98601-1-yang.lee@linux.alibaba.com
Reported-by: Abaci Robot &lt;abaci@linux.alibaba.com&gt;
Signed-off-by: Yang Li &lt;yang.lee@linux.alibaba.com&gt;
Reviewed-by: Md Haris Iqbal &lt;haris.iqbal@ionos.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi</title>
<updated>2022-05-26T02:09:48Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2022-05-26T02:09:48Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=fbe86daca0ba878b04fa241b85e26e54d17d4229'/>
<id>urn:sha1:fbe86daca0ba878b04fa241b85e26e54d17d4229</id>
<content type='text'>
Pull SCSI updates from James Bottomley:
 "This consists of a small set of driver updates (lpfc, ufs, mpt3sas
  mpi3mr, iscsi target). Apart from that this is mostly small fixes with
  very few core changes (the biggest one being VPD caching)"

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (177 commits)
  scsi: target: tcmu: Avoid holding XArray lock when calling lock_page
  scsi: elx: efct: Remove NULL check after calling container_of()
  scsi: dpt_i2o: Drop redundant spinlock initialization
  scsi: qedf: Remove redundant variable op
  scsi: hisi_sas: Fix memory ordering in hisi_sas_task_deliver()
  scsi: fnic: Replace DMA mask of 64 bits with 47 bits
  scsi: mpi3mr: Add target device related sysfs attributes
  scsi: mpi3mr: Add shost related sysfs attributes
  scsi: elx: efct: Remove redundant memset() statement
  scsi: megaraid_sas: Remove redundant memset() statement
  scsi: mpi3mr: Return error if dma_alloc_coherent() fails
  scsi: hisi_sas: Fix rescan after deleting a disk
  scsi: hisi_sas: Use sas_ata_wait_after_reset() in IT nexus reset
  scsi: libsas: Refactor sas_ata_hard_reset()
  scsi: mpt3sas: Update driver version to 42.100.00.00
  scsi: mpt3sas: Fix junk chars displayed while printing ChipName
  scsi: ipr: Use kobj_to_dev()
  scsi: mpi3mr: Fix a NULL vs IS_ERR() bug in mpi3mr_bsg_init()
  scsi: bnx2fc: Avoid using get_cpu() in bnx2fc_cmd_alloc()
  scsi: libfc: Remove get_cpu() semantics in fc_exch_em_alloc()
  ...
</content>
</entry>
<entry>
<title>Merge tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm</title>
<updated>2022-05-25T23:18:27Z</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2022-05-25T23:18:27Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=2518f226c60d8e04d18ba4295500a5b0b8ac7659'/>
<id>urn:sha1:2518f226c60d8e04d18ba4295500a5b0b8ac7659</id>
<content type='text'>
Pull drm updates from Dave Airlie:
 "Intel have enabled DG2 on certain SKUs for laptops, AMD has started
  some new GPU support, msm has user allocated VA controls

  dma-buf:
   - add dma_resv_replace_fences
   - add dma_resv_get_singleton
   - make dma_excl_fence private

  core:
   - EDID parser refactorings
   - switch drivers to drm_mode_copy/duplicate
   - DRM managed mutex initialization

  display-helper:
   - put HDMI, SCDC, HDCP, DSC and DP into new module

  gem:
   - rework fence handling

  ttm:
   - rework bulk move handling
   - add common debugfs for resource managers
   - convert to kvcalloc

  format helpers:
   - support monochrome formats
   - RGB888, RGB565 to XRGB8888 conversions

  fbdev:
   - cfb/sys_imageblit fixes
   - pagelist corruption fix
   - create offb platform device
   - deferred io improvements

  sysfb:
   - Kconfig rework
   - support for VESA mode selection

  bridge:
   - conversions to devm_drm_of_get_bridge
   - conversions to panel_bridge
   - analogix_dp - autosuspend support
   - it66121 - audio support
   - tc358767 - DSI to DPI support
   - icn6211 - PLL/I2C fixes, DT property
   - adv7611 - enable DRM_BRIDGE_OP_HPD
   - anx7625 - fill ELD if no monitor
   - dw_hdmi - add audio support
   - lontium LT9211 support, i.MXMP LDB
   - it6505: Kconfig fix, DPCD set power fix
   - adv7511 - CEC support for ADV7535

  panel:
   - ltk035c5444t, B133UAN01, NV3052C panel support
   - DataImage FG040346DSSWBG04 support
   - st7735r - DT bindings fix
   - ssd130x - fixes

  i915:
   - DG2 laptop PCI-IDs ("motherboard down")
   - Initial RPL-P PCI IDs
   - compute engine ABI
   - DG2 Tile4 support
   - DG2 CCS clear color compression support
   - DG2 render/media compression formats support
   - ATS-M platform info
   - RPL-S PCI IDs added
   - Bump ADL-P DMC version to v2.16
   - Support static DRRS
   - Support multiple eDP/LVDS native mode refresh rates
   - DP HDR support for HSW+
   - Lots of display refactoring + fixes
   - GuC hwconfig support and query
   - sysfs support for multi-tile
   - fdinfo per-client gpu utilisation
   - add geometry subslices query
   - fix prime mmap with LMEM
   - fix vm open count and remove vma refcounts
   - contiguous allocation fixes
   - steered register write support
   - small PCI BAR enablement
   - GuC error capture support
   - sunset igpu legacy mmap support for newer devices
   - GuC version 70.1.1 support

  amdgpu:
   - Initial SoC21 support
   - SMU 13.x enablement
   - SMU 13.0.4 support
   - ttm_eu cleanups
   - USB-C, GPUVM updates
   - TMZ fixes for RV
   - RAS support for VCN
   - PM sysfs code cleanup
   - DC FP rework
   - extend CG/PG flags to 64-bit
   - SI dpm lockdep fix
   - runtime PM fixes

  amdkfd:
   - RAS/SVM fixes
   - TLB flush fixes
   - CRIU GWS support
   - ignore bogus MEC signals more efficiently

  msm:
   - Fourcc modifier for tiled but not compressed layouts
   - Support for userspace allocated IOVA (GPU virtual address)
   - DPU: DSC (Display Stream Compression) support
   - DP: eDP support
   - DP: conversion to use drm_bridge and drm_bridge_connector
   - Merge DPU1 and MDP5 MDSS driver
   - DPU: writeback support

  nouveau:
   - make some structures static
   - make some variables static
   - switch to drm_gem_plane_helper_prepare_fb

  radeon:
   - misc fixes/cleanups

  mxsfb:
   - rework crtc mode setting
   - LCDIF CRC support

  etnaviv:
   - fencing improvements
   - fix address space collisions
   - cleanup MMU reference handling

  gma500:
   - GEM/GTT improvements
   - connector handling fixes

  komeda:
   - switch to plane reset helper

  mediatek:
   - MIPI DSI improvements

  omapdrm:
   - GEM improvements

  qxl:
   - aarch64 support

  vc4:
   - add a CL submission tracepoint
   - HDMI YUV support
   - HDMI/clock improvements
   - drop is_hdmi caching

  virtio:
   - remove restriction of non-zero blob types

  vmwgfx:
   - support for cursormob and cursorbypass 4
   - fence improvements

  tidss:
   - reset DISPC on startup

  solomon:
   - SPI support
   - DT improvements

  sun4i:
   - allwinner D1 support
   - drop is_hdmi caching

  imx:
   - use swap() instead of open-coding
   - use devm_platform_ioremap_resource
   - remove redunant initializations

  ast:
   - Displayport support

  rockchip:
   - Refactor IOMMU initialisation
   - make some structures static
   - replace drm_detect_hdmi_monitor with drm_display_info.is_hdmi
   - support swapped YUV formats,
   - clock improvements
   - rk3568 support
   - VOP2 support

  mediatek:
   - MT8186 support

  tegra:
   - debugabillity improvements"

* tag 'drm-next-2022-05-25' of git://anongit.freedesktop.org/drm/drm: (1740 commits)
  drm/i915/dsi: fix VBT send packet port selection for ICL+
  drm/i915/uc: Fix undefined behavior due to shift overflowing the constant
  drm/i915/reg: fix undefined behavior due to shift overflowing the constant
  drm/i915/gt: Fix use of static in macro mismatch
  drm/i915/audio: fix audio code enable/disable pipe logging
  drm/i915: Fix CFI violation with show_dynamic_id()
  drm/i915: Fix 'mixing different enum types' warnings in intel_display_power.c
  drm/i915/gt: Fix build error without CONFIG_PM
  drm/msm/dpu: handle pm_runtime_get_sync() errors in bind path
  drm/msm/dpu: add DRM_MODE_ROTATE_180 back to supported rotations
  drm/msm: don't free the IRQ if it was not requested
  drm/msm/dpu: limit writeback modes according to max_linewidth
  drm/amd: Don't reset dGPUs if the system is going to s2idle
  drm/amdgpu: Unmap legacy queue when MES is enabled
  drm: msm: fix possible memory leak in mdp5_crtc_cursor_set()
  drm/msm: Fix fb plane offset calculation
  drm/msm/a6xx: Fix refcount leak in a6xx_gpu_init
  drm/msm/dsi: don't powerup at modeset time for parade-ps8640
  drm/rockchip: Change register space names in vop2
  dt-bindings: display: rockchip: make reg-names mandatory for VOP2
  ...
</content>
</entry>
<entry>
<title>RDMA/hfi1: Remove all traces of diagpkt support</title>
<updated>2022-05-24T18:08:32Z</updated>
<author>
<name>Dennis Dalessandro</name>
<email>dennis.dalessandro@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:27Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=b90c7e97c48bb1a94cd49cc32a4d2a62a06cbf1c'/>
<id>urn:sha1:b90c7e97c48bb1a94cd49cc32a4d2a62a06cbf1c</id>
<content type='text'>
One of the concessions we made to get our driver upstream was to remove
the diagnostic packet support. There is however still some cruft that was
left over.  Remove it.

Link: https://lore.kernel.org/r/20220520183727.48973.93587.stgit@awfm-01.cornelisnetworks.com
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>RDMA/hfi1: Consolidate software versions</title>
<updated>2022-05-24T18:08:32Z</updated>
<author>
<name>Dennis Dalessandro</name>
<email>dennis.dalessandro@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:22Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=1994c3134068aee50a7c3805f9d01f8736604ac2'/>
<id>urn:sha1:1994c3134068aee50a7c3805f9d01f8736604ac2</id>
<content type='text'>
There is no need to have separate user and kernel software versions. There
is a single software that the kernel is compatible with.

Also remove the notion of a "kernel type" that is long since deprecated.

Link: https://lore.kernel.org/r/20220520183722.48973.60262.stgit@awfm-01.cornelisnetworks.com
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>RDMA/hfi1: Remove pointless driver version</title>
<updated>2022-05-24T18:08:31Z</updated>
<author>
<name>Dennis Dalessandro</name>
<email>dennis.dalessandro@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:17Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=676bffa02e4a511bcc32051ca9a7d544dc6bc6e5'/>
<id>urn:sha1:676bffa02e4a511bcc32051ca9a7d544dc6bc6e5</id>
<content type='text'>
Driver versions have long been forbidden in the RDMA subsystem. We removed
most of the code relating to them and have been very strict about not
allowing.  However there is some leftover versioning that we do not
need. Get rid of that.

Link: https://lore.kernel.org/r/20220520183717.48973.17418.stgit@awfm-01.cornelisnetworks.com
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>RDMA/hfi1: Fix potential integer multiplication overflow errors</title>
<updated>2022-05-24T18:08:31Z</updated>
<author>
<name>Dennis Dalessandro</name>
<email>dennis.dalessandro@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:12Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=f93e91a0372c922c20d5bee260b0f43b4b8a1bee'/>
<id>urn:sha1:f93e91a0372c922c20d5bee260b0f43b4b8a1bee</id>
<content type='text'>
When multiplying of different types, an overflow is possible even when
storing the result in a larger type. This is because the conversion is
done after the multiplication. So arithmetic overflow and thus in
incorrect value is possible.

Correct an instance of this in the inter packet delay calculation.  Fix by
ensuring one of the operands is u64 which will promote the other to u64 as
well ensuring no overflow.

Cc: stable@vger.kernel.org
Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Link: https://lore.kernel.org/r/20220520183712.48973.29855.stgit@awfm-01.cornelisnetworks.com
Reviewed-by: Mike Marciniszyn &lt;mike.marciniszyn@cornelisnetworks.com&gt;
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>RDMA/hfi1: Prevent panic when SDMA is disabled</title>
<updated>2022-05-24T18:08:31Z</updated>
<author>
<name>Douglas Miller</name>
<email>doug.miller@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:06Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=629e052d0c98e46dde9f0824f0aa437f678d9b8f'/>
<id>urn:sha1:629e052d0c98e46dde9f0824f0aa437f678d9b8f</id>
<content type='text'>
If the hfi1 module is loaded with HFI1_CAP_SDMA off, a call to
hfi1_write_iter() will dereference a NULL pointer and panic. A typical
stack frame is:

  sdma_select_user_engine [hfi1]
  hfi1_user_sdma_process_request [hfi1]
  hfi1_write_iter [hfi1]
  do_iter_readv_writev
  do_iter_write
  vfs_writev
  do_writev
  do_syscall_64

The fix is to test for SDMA in hfi1_write_iter() and fail the I/O with
EINVAL.

Link: https://lore.kernel.org/r/20220520183706.48973.79803.stgit@awfm-01.cornelisnetworks.com
Signed-off-by: Douglas Miller &lt;doug.miller@cornelisnetworks.com&gt;
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
<entry>
<title>RDMA/hfi1: Prevent use of lock before it is initialized</title>
<updated>2022-05-24T17:52:47Z</updated>
<author>
<name>Douglas Miller</name>
<email>doug.miller@cornelisnetworks.com</email>
</author>
<published>2022-05-20T18:37:01Z</published>
<link rel='alternate' type='text/html' href='https://git.zx2c4.com/linux-dev/commit/?id=05c03dfd09c069c4ffd783b47b2da5dcc9421f2c'/>
<id>urn:sha1:05c03dfd09c069c4ffd783b47b2da5dcc9421f2c</id>
<content type='text'>
If there is a failure during probe of hfi1 before the sdma_map_lock is
initialized, the call to hfi1_free_devdata() will attempt to use a lock
that has not been initialized. If the locking correctness validator is on
then an INFO message and stack trace resembling the following may be seen:

  INFO: trying to register non-static key.
  The code is fine but needs lockdep annotation, or maybe
  you didn't initialize this object before use?
  turning off the locking correctness validator.
  Call Trace:
  register_lock_class+0x11b/0x880
  __lock_acquire+0xf3/0x7930
  lock_acquire+0xff/0x2d0
  _raw_spin_lock_irq+0x46/0x60
  sdma_clean+0x42a/0x660 [hfi1]
  hfi1_free_devdata+0x3a7/0x420 [hfi1]
  init_one+0x867/0x11a0 [hfi1]
  pci_device_probe+0x40e/0x8d0

The use of sdma_map_lock in sdma_clean() is for freeing the sdma_map
memory, and sdma_map is not allocated/initialized until after
sdma_map_lock has been initialized. This code only needs to be run if
sdma_map is not NULL, and so checking for that condition will avoid trying
to use the lock before it is initialized.

Fixes: 473291b3ea0e ("IB/hfi1: Fix for early release of sdma context")
Fixes: 7724105686e7 ("IB/hfi1: add driver files")
Link: https://lore.kernel.org/r/20220520183701.48973.72434.stgit@awfm-01.cornelisnetworks.com
Reported-by: Zheyu Ma &lt;zheyuma97@gmail.com&gt;
Signed-off-by: Douglas Miller &lt;doug.miller@cornelisnetworks.com&gt;
Signed-off-by: Dennis Dalessandro &lt;dennis.dalessandro@cornelisnetworks.com&gt;
Signed-off-by: Jason Gunthorpe &lt;jgg@nvidia.com&gt;
</content>
</entry>
</feed>
