| Commit message (Collapse) | Author | Age | Files | Lines |
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Nothing is left in this header that is used by userspace.
Link: http://lkml.kernel.org/r/bb11378cef94739f2cf89425dd6d302a52c64480.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move the 32-bit time_t problems to userspace.
Link: http://lkml.kernel.org/r/8d089068823bfb292a4020f773922fbd82ffad39.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We exchange file timestamps with user space using psdev device
read/write operations with a fixed but architecture specific binary
layout.
On 32-bit systems, this uses a 'timespec' structure that is defined by
the C library to contain two 32-bit values for seconds and nanoseconds.
As we get ready for the year 2038 overflow of the 32-bit signed seconds,
the kernel now uses 64-bit timestamps internally, and user space will do
the same change by changing the 'timespec' definition in the future.
Unfortunately, this breaks the layout of the coda_vattr structure, so we
need to redefine that in terms of something that does not change. I'm
introducing a new 'struct vtimespec' structure here that keeps the
existing layout, and the same change has to be done in the coda user
space copy of linux/coda.h before anyone can use that on a 32-bit
architecture with 64-bit time_t.
An open question is what should happen to actual times past y2038, as
they are now truncated to the last valid date when sent to user space,
and interpreted as pre-1970 times when a timestamp with the MSB set is
read back into the kernel. Alternatively, we could change the new
timespec64_to_coda()/coda_to_timespec64() functions to use a different
interpretation and extend the available range further to the future by
disallowing past timestamps. This would require more changes in the
user space side though.
Link: http://lkml.kernel.org/r/562b7324149461743e4fbe2fedbf7c242f7e274a.1558117389.git.jaharkes@cs.cmu.edu
Link: https://patchwork.kernel.org/patch/10474735/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Acked-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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These constants only used internally and not exposed to userspace.
Link: http://lkml.kernel.org/r/baeafc30dad70d8b422ee679420099c2d8aa7da0.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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headers
Only users of upc_req in kernel side fs/coda/psdev.c and
fs/coda/upcall.c already include linux/coda_psdev.h.
Suggested by Jan Harkes <jaharkes@cs.cmu.edu> in
https://lore.kernel.org/lkml/20150531111913.GA23377@cs.cmu.edu/
Fixes these include/uapi/linux/coda_psdev.h compilation errors in userspace:
linux/coda_psdev.h:12:19: error: field `uc_chain' has incomplete type
struct list_head uc_chain;
^
linux/coda_psdev.h:13:2: error: unknown type name `caddr_t'
caddr_t uc_data;
^
linux/coda_psdev.h:14:2: error: unknown type name `u_short'
u_short uc_flags;
^
linux/coda_psdev.h:15:2: error: unknown type name `u_short'
u_short uc_inSize; /* Size is at most 5000 bytes */
^
linux/coda_psdev.h:16:2: error: unknown type name `u_short'
u_short uc_outSize;
^
linux/coda_psdev.h:17:2: error: unknown type name `u_short'
u_short uc_opcode; /* copied from data to save lookup */
^
linux/coda_psdev.h:19:2: error: unknown type name `wait_queue_head_t'
wait_queue_head_t uc_sleep; /* process' wait queue */
^
Link: http://lkml.kernel.org/r/9f99f5ce6a0563d5266e6cf7aa9585aac2cae971.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Part of a patch by Mikko Rapeli, as Arnd Bergman commented on the
original patch.
pid_t might differ between libc and the kernel, so the kernel
interface has to use types that the kernel defines.
Link: http://lkml.kernel.org/r/f374a71f4d351bc8c8b3ac18ad7765c88d806d10.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Fabian Frederick <fabf@skynet.be>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We can't expose UAPI symbols differently based on CONFIG_ symbols, as
userspace won't have them available. Instead always define the flag,
but only respect it based on the config option.
Link: http://lkml.kernel.org/r/20190703122359.18200-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"Highlights:
- chunks that have been trimmed and unchanged since last mount are
tracked and skipped on repeated trims
- use hw assissed crc32c on more arches, speedups if native
instructions or optimized implementation is available
- the RAID56 incompat bit is automatically removed when the last
block group of that type is removed
Fixes:
- fsync fix for reflink on NODATACOW files that could lead to ENOSPC
- fix data loss after inode eviction, renaming it, and fsync it
- fix fsync not persisting dentry deletions due to inode evictions
- update ctime/mtime/iversion after hole punching
- fix compression type validation (reported by KASAN)
- send won't be allowed to start when relocation is in progress, this
can cause spurious errors or produce incorrect send stream
Core:
- new tracepoints for space update
- tree-checker: better check for end of extents for some tree items
- preparatory work for more checksum algorithms
- run delayed iput at unlink time and don't push the work to cleaner
thread where it's not properly throttled
- wrap block mapping to structures and helpers, base for further
refactoring
- split large files, part 1:
- space info handling
- block group reservations
- delayed refs
- delayed allocation
- other cleanups and refactoring"
* tag 'for-5.3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (103 commits)
btrfs: fix memory leak of path on error return path
btrfs: move the subvolume reservation stuff out of extent-tree.c
btrfs: migrate the delalloc space stuff to it's own home
btrfs: migrate btrfs_trans_release_chunk_metadata
btrfs: migrate the delayed refs rsv code
btrfs: Evaluate io_tree in find_lock_delalloc_range()
btrfs: migrate the global_block_rsv helpers to block-rsv.c
btrfs: migrate the block-rsv code to block-rsv.c
btrfs: stop using block_rsv_release_bytes everywhere
btrfs: cleanup the target logic in __btrfs_block_rsv_release
btrfs: export __btrfs_block_rsv_release
btrfs: export btrfs_block_rsv_add_bytes
btrfs: move btrfs_block_rsv definitions into it's own header
btrfs: Simplify update of space_info in __reserve_metadata_bytes()
btrfs: unexport can_overcommit
btrfs: move reserve_metadata_bytes and supporting code to space-info.c
btrfs: move dump_space_info to space-info.c
btrfs: export block_rsv_use_bytes
btrfs: move btrfs_space_info_add_*_bytes to space-info.c
btrfs: move the space info update macro to space-info.h
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Preparatory patch for additional RAID1 profiles with more copies. The
mask will contain 3-copy and 4-copy, most of the checks for plain RAID1
work the same for the other profiles.
Signed-off-by: David Sterba <dsterba@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull rst conversion of docs from Mauro Carvalho Chehab:
"As agreed with Jon, I'm sending this big series directly to you, c/c
him, as this series required a special care, in order to avoid
conflicts with other trees"
* tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (77 commits)
docs: kbuild: fix build with pdf and fix some minor issues
docs: block: fix pdf output
docs: arm: fix a breakage with pdf output
docs: don't use nested tables
docs: gpio: add sysfs interface to the admin-guide
docs: locking: add it to the main index
docs: add some directories to the main documentation index
docs: add SPDX tags to new index files
docs: add a memory-devices subdir to driver-api
docs: phy: place documentation under driver-api
docs: serial: move it to the driver-api
docs: driver-api: add remaining converted dirs to it
docs: driver-api: add xilinx driver API documentation
docs: driver-api: add a series of orphaned documents
docs: admin-guide: add a series of orphaned documents
docs: cgroup-v1: add it to the admin-guide book
docs: aoe: add it to the driver-api book
docs: add some documentation dirs to the driver-api book
docs: driver-model: move it to the driver-api book
docs: lp855x-driver.rst: add it to the driver-api book
...
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Those files belong to the admin guide, so add them.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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The conversion itself is simple: add a markup for the
title of this file and add markups for both tables.
Yet, the big table here with IOCTL numbers is badly formatted:
on several lines, the "Include File" column has some values that
are bigger than the reserved space there.
Also, on several places, a comment was misplaced at the "Include
File" space.
So, most of the work here is to actually ensure that each field
will be properly fixed.
Also worth to mention that some URLs have the asterisk character
on it. Well, Sphinx has an issue with asterisks in the middle
of an string. As this is URL, use the alternate format: %2A.
As a side effect of this patch, it is now a lot easier to see that
some reserved ioctl numbers are missing the include files
where it is supposed to be used.
PS.: While this is part of a subdir, I opted to convert this
single file alone, as this file has a potential of conflicts,
as most subsystem maintainers touch it.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull pidfd and clone3 fixes from Christian Brauner:
"This contains a bugfix for CLONE_PIDFD when used with the legacy clone
syscall, two fixes to ensure that syscall numbering and clone3
entrypoint implementations will stay consistent, and an update for the
maintainers file:
- The addition of clone3 broke CLONE_PIDFD for legacy clone on all
architectures that use do_fork() directly instead of calling the
clone syscall itself. (Fwiw, cleaning do_fork() up is on my todo.)
The reason this happened was that during conversion of _do_fork()
to use struct kernel_clone_args we missed that do_fork() is called
directly by various architectures. This is fixed by making sure
that the pidfd argument in struct kernel_clone_args is correctly
initialized with the parent_tidptr argument passed down from
do_fork(). Additionally, do_fork() missed a check to make
CLONE_PIDFD and CLONE_PARENT_SETTID mutually exclusive just a
clone() does. This is now fixed too.
- When clone3() was introduced we skipped architectures that require
special handling for fork-like syscalls. Their syscall tables did
not contain any mention of clone3().
To make sure that Arnd's work to make syscall numbers on all
architectures identical (minus alpha) was not for naught we are
placing a comment in all syscall tables that do not yet implement
clone3(). The comment makes it clear that 435 is reserved for
clone3 and should not be used.
- Also, this contains a patch to make the clone3() syscall definition
in asm-generic/unist.h conditional on __ARCH_WANT_SYS_CLONE3. This
lets us catch new architectures that implicitly make use of clone3
without setting __ARCH_WANT_SYS_CLONE3 which is a good indicator
that they did not check whether it needs special treatment or not.
- Finally, this contains a patch to add me as maintainer for pidfd
stuff so people can start blaming me (more)"
* tag 'for-linus-20190715' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
MAINTAINERS: add new entry for pidfd api
unistd: protect clone3 via __ARCH_WANT_SYS_CLONE3
arch: mark syscall number 435 reserved for clone3
clone: fix CLONE_PIDFD support
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This lets us catch new architectures that implicitly make use of clone3
without setting __ARCH_WANT_SYS_CLONE3.
Failing on missing __ARCH_WANT_SYS_CLONE3 is a good indicator that they
either did not really want this syscall or haven't really thought about
whether it needs special treatment and just accidently included it in
their entrypoints by e.g. generating their syscall table automatically
via asm-generic/unistd.h
This patch has been compile-tested for the h8300 architecture which is
one of the architectures that does not yet implement clone3 and
generates its syscall table via asm-generic/unistd.h.
Signed-off-by: Christian Brauner <christian@brauner.io>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20190714192205.27190-3-christian@brauner.io
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Christian Brauner <christian@brauner.io>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration changes:
- Evaluate PCI Boot Configuration _DSM to learn if firmware wants us
to preserve its resource assignments (Benjamin Herrenschmidt)
- Simplify resource distribution (Nicholas Johnson)
- Decode 32 GT/s link speed (Gustavo Pimentel)
Virtualization:
- Fix incorrect caching of VF config space size (Alex Williamson)
- Fix VF driver probing sysfs knobs (Alex Williamson)
Peer-to-peer DMA:
- Fix dma_virt_ops check (Logan Gunthorpe)
Altera host bridge driver:
- Allow building as module (Ley Foon Tan)
Armada 8K host bridge driver:
- add PHYs support (Miquel Raynal)
DesignWare host bridge driver:
- Export APIs to support removable loadable module (Vidya Sagar)
- Enable Relaxed Ordering erratum workaround only on Tegra20 &
Tegra30 (Vidya Sagar)
Hyper-V host bridge driver:
- Fix use-after-free in eject (Dexuan Cui)
Mobiveil host bridge driver:
- Clean up and fix many issues, including non-identify mapped
windows, 64-bit windows, multi-MSI, class code, INTx clearing (Hou
Zhiqiang)
Qualcomm host bridge driver:
- Use clk bulk API for 2.4.0 controllers (Bjorn Andersson)
- Add QCS404 support (Bjorn Andersson)
- Assert PERST for at least 100ms (Niklas Cassel)
R-Car host bridge driver:
- Add r8a774a1 DT support (Biju Das)
Tegra host bridge driver:
- Add support for Gen2, opportunistic UpdateFC and ACK (PCIe protocol
details) AER, GPIO-based PERST# (Manikanta Maddireddy)
- Fix many issues, including power-on failure cases, interrupt
masking in suspend, UPHY settings, AFI dynamic clock gating,
pending DLL transactions (Manikanta Maddireddy)
Xilinx host bridge driver:
- Fix NWL Multi-MSI programming (Bharat Kumar Gogada)
Endpoint support:
- Fix 64bit BAR support (Alan Mikhak)
- Fix pcitest build issues (Alan Mikhak, Andy Shevchenko)
Bug fixes:
- Fix NVIDIA GPU multi-function power dependencies (Abhishek Sahu)
- Fix NVIDIA GPU HDA enablement issue (Lukas Wunner)
- Ignore lockdep for sysfs "remove" (Marek Vasut)
Misc:
- Convert docs to reST (Changbin Du, Mauro Carvalho Chehab)"
* tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (107 commits)
PCI: Enable NVIDIA HDA controllers
tools: PCI: Fix installation when `make tools/pci_install`
PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
PCI: Fix typos and whitespace errors
PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()
PCI: mobiveil: Fix infinite-loop in the INTx handling function
PCI: mobiveil: Move PCIe PIO enablement out of inbound window routine
PCI: mobiveil: Add upper 32-bit PCI base address setup in inbound window
PCI: mobiveil: Add upper 32-bit CPU base address setup in outbound window
PCI: mobiveil: Mask out hardcoded bits in inbound/outbound windows setup
PCI: mobiveil: Clear the control fields before updating it
PCI: mobiveil: Add configured inbound windows counter
PCI: mobiveil: Fix the valid check for inbound and outbound windows
PCI: mobiveil: Clean-up program_{ib/ob}_windows()
PCI: mobiveil: Remove an unnecessary return value check
PCI: mobiveil: Fix error return values
PCI: mobiveil: Refactor the MEM/IO outbound window initialization
PCI: mobiveil: Make some register updates more readable
PCI: mobiveil: Reformat the code for readability
dt-bindings: PCI: mobiveil: Change gpio_slave and apb_csr to optional
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PCIe r5.0, sec 7.5.3.18, defines a new 32.0 GT/s bit in the Supported Link
Speeds Vector of Link Capabilities 2. Decode this new speed. This does
not affect the speed of the link, which should be negotiated automatically
by the hardware; it only adds decoding when showing the speed to the user.
Previously, reading the speed of a link operating at this speed showed
"Unknown speed" instead of "32.0 GT/s".
Link: https://lore.kernel.org/lkml/92365e3caf0fc559f9ab14bcd053bfc92d4f661c.1559664969.git.gustavo.pimentel@synopsys.com
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Pull rdma updates from Jason Gunthorpe:
"A smaller cycle this time. Notably we see another new driver, 'Soft
iWarp', and the deletion of an ancient unused driver for nes.
- Revise and simplify the signature offload RDMA MR APIs
- More progress on hoisting object allocation boiler plate code out
of the drivers
- Driver bug fixes and revisions for hns, hfi1, efa, cxgb4, qib,
i40iw
- Tree wide cleanups: struct_size, put_user_page, xarray, rst doc
conversion
- Removal of obsolete ib_ucm chardev and nes driver
- netlink based discovery of chardevs and autoloading of the modules
providing them
- Move more of the rdamvt/hfi1 uapi to include/uapi/rdma
- New driver 'siw' for software based iWarp running on top of netdev,
much like rxe's software RoCE.
- mlx5 feature to report events in their raw devx format to userspace
- Expose per-object counters through rdma tool
- Adaptive interrupt moderation for RDMA (DIM), sharing the DIM core
from netdev"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (194 commits)
RMDA/siw: Require a 64 bit arch
RDMA/siw: Mark expected switch fall-throughs
RDMA/core: Fix -Wunused-const-variable warnings
rdma/siw: Remove set but not used variable 's'
rdma/siw: Add missing dependencies on LIBCRC32C and DMA_VIRT_OPS
RDMA/siw: Add missing rtnl_lock around access to ifa
rdma/siw: Use proper enumerated type in map_cqe_status
RDMA/siw: Remove unnecessary kthread create/destroy printouts
IB/rdmavt: Fix variable shadowing issue in rvt_create_cq
RDMA/core: Fix race when resolving IP address
RDMA/core: Make rdma_counter.h compile stand alone
IB/core: Work on the caller socket net namespace in nldev_newlink()
RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM
RDMA/mlx5: Set RDMA DIM to be enabled by default
RDMA/nldev: Added configuration of RDMA dynamic interrupt moderation to netlink
RDMA/core: Provide RDMA DIM support for ULPs
linux/dim: Implement RDMA adaptive moderation (DIM)
IB/mlx5: Report correctly tag matching rendezvous capability
docs: infiniband: add it to the driver-api bookset
IB/mlx5: Implement VHCA tunnel mechanism in DEVX
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Added parameter in ib_device for enabling dynamic interrupt moderation so
that it can be configured in userspace using rdma tool.
In order to set adaptive-moderation for an ib device the command is:
rdma dev set [DEV] adaptive-moderation [on|off]
Please set on/off.
rdma dev show
0: mlx5_0: node_type ca fw 16.26.0055 node_guid 248a:0703:00a5:29d0
sys_image_guid 248a:0703:00a5:29d0 adaptive-moderation on
rdma resource show cq
dev mlx5_0 cqn 0 cqe 1023 users 4 poll-ctx UNBOUND_WORKQUEUE
adaptive-moderation off comm [ib_core]
Signed-off-by: Yamin Friedman <yaminf@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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rvt was using ib_sge as part of it's ABI, which is not allowed. Introduce
a new struct with the same layout and use it instead.
Fixes: dabac6e460ce ("IB/hfi1: Move receive work queue struct into uapi directory")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Provide an option to allow users to manually bind a qp with a counter
through RDMA netlink. Limit it to users with ADMIN capability only.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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In manual mode a QP is bound to a counter manually. If counter is not
specified then a new one will be allocated.
Manual mode is enabled when user binds a QP, and disabled when the last
manually bound QP is unbound.
When auto-mode is turned off and there are counters left, manual mode is
enabled so that the user is able to access these counters.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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This patch adds the ability to return all available counters together with
their properties and hwstats.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Provide an option to enable/disable per-port counter auto mode through
RDMA netlink. Limit it to users with ADMIN capability only.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add an API to support set/clear per-port auto mode.
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Implement DEVX dispatching event by looking up for the applicable
subscriptions for the reported event and using their target fd to
signal/set the event.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Enable subscription for device events over DEVX.
Each subscription is added to the two level xarray data structure
according to its event number and the DEVX object information in case was
given with the given target fd.
Those events will be reported over the given fd once will occur.
Downstream patches will mange the dispatching to any subscription.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Introduce MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD and its initial
implementation.
This object is from type class FD and will be used to read DEVX
async events.
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Broken up commit to add the Soft iWarp RDMA driver.
Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The rvt_rwqe and rvt_rwq struct elements are shared between rdmavt and the
providers but are not in uapi directory. As per the comment in
https://marc.info/?l=linux-rdma&m=152296522708522&w=2, The hfi1 driver and
the rdma core driver are not using shared structures in the uapi
directory.
Move rvt_rwqe and rvt_rwq struct into rvt-abi.h header in uapi directory.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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The rvt_cq_wc struct elements are shared between rdmavt and the providers
but not in uapi directory. As per the comment in
https://marc.info/?l=linux-rdma&m=152296522708522&w=2 The hfi1 driver and
the rdma core driver are not using shared structures in the uapi
directory.
In that case, move rvt_cq_wc struct into the rvt-abi.h header file and
create a rvt_k_cq_w for the kernel completion queue.
Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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For dependencies in next patches.
Resolve conflicts:
- Use uverbs_get_cleared_udata() with new cq allocation flow
- Continue to delete nes despite SPDX conflict
- Resolve list appends in mlx5_command_str()
- Use u16 for vport_rule stuff
- Resolve list appends in struct ib_client
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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For all string attributes for which we don't currently accept the element
as input, we only use it as output, set the string length to
RDMA_NLDEV_ATTR_EMPTY_STRING which is defined as 1. That way we will only
accept a null string for that element. This will prevent someone from
writing a new input routine that uses the element without also updating
the policy to have a valid value.
Also while there, make sure the existing entries that are valid have the
correct policy, if not, correct the policy. Remove unnecessary checks
for nla_strlcpy() overflow once the policy has been set correctly.
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Update the struct ib_client for all modules exporting cdevs related to the
ibdevice to also implement RDMA_NLDEV_CMD_GET_CHARDEV. All cdevs are now
autoloadable and discoverable by userspace over netlink instead of relying
on sysfs.
uverbs also exposes the DRIVER_ID for drivers that are able to support
driver id binding in rdma-core.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Allow userspace to issue a netlink query against the ib_device for
something like "uverbs" and get back the char dev name, inode major/minor,
and interface ABI information for "uverbs0".
Since we are now in netlink this can also trigger a module autoload to
make the uverbs device come into existence.
Largely this will let us replace searching and reading inside sysfs to
setup devices, and provides an alternative (using driver_id) to device
name based provider binding for things like rxe.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This enum is exposed over the sysfs file 'node_type' and over netlink via
RDMA_NLDEV_ATTR_DEV_NODE_TYPE, so declare it in the uapi headers.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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This has been marked CONFIG_BROKEN for over a year now with no complaints.
Delete the whole thing for good.
The module provided the /dev/infiniband/ucmX interface.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Pull drm updates from Dave Airlie:
"The biggest thing in this is the AMD Navi GPU support, this again
contains a bunch of header files that are large. These are the new AMD
RX5700 GPUs that just recently became available.
New drivers:
- ST-Ericsson MCDE driver
- Ingenic JZ47xx SoC
UAPI change:
- HDR source metadata property
Core:
- HDR inforframes and EDID parsing
- drm hdmi infoframe unpacking
- remove prime sg_table caching into dma-buf
- New gem vram helpers to reduce driver code
- Lots of drmP.h removal
- reservation fencing fix
- documentation updates
- drm_fb_helper_connector removed
- mode name command handler rewrite
fbcon:
- Remove the fbcon notifiers
ttm:
- forward progress fixes
dma-buf:
- make mmap call optional
- debugfs refcount fixes
- dma-fence free with pending signals fix
- each dma-buf gets an inode
Panels:
- Lots of additional panel bindings
amdgpu:
- initial navi10 support
- avoid hw reset
- HDR metadata support
- new thermal sensors for vega asics
- RAS fixes
- use HMM rather than MMU notifier
- xgmi topology via kfd
- SR-IOV fixes
- driver reload fixes
- DC use a core bpc attribute
- Aux fixes for DC
- Bandwidth calc updates for DC
- Clock handling refactor
- kfd VEGAM support
vmwgfx:
- Coherent memory support changes
i915:
- HDR Support
- HDMI i2c link
- Icelake multi-segmented gamma support
- GuC firmware update
- Mule Creek Canyon PCH support for EHL
- EHL platform updtes
- move i915.alpha_support to i915.force_probe
- runtime PM refactoring
- VBT parsing refactoring
- DSI fixes
- struct mutex dependency reduction
- GEM code reorg
mali-dp:
- Komeda driver features
msm:
- dsi vs EPROBE_DEFER fixes
- msm8998 snapdragon 835 support
- a540 gpu support
- mdp5 and dpu interconnect support
exynos:
- drmP.h removal
tegra:
- misc fixes
tda998x:
- audio support improvements
- pixel repeated mode support
- quantisation range handling corrections
- HDMI vendor info fix
armada:
- interlace support fix
- overlay/video plane register handling refactor
- add gamma support
rockchip:
- RX3328 support
panfrost:
- expose perf counters via hidden ioctls
vkms:
- enumerate CRC sources list
ast:
- rework BO handling
mgag200:
- rework BO handling
dw-hdmi:
- suspend/resume support
rcar-du:
- R8A774A1 Soc Support
- LVDS dual-link mode support
- Additional formats
- Misc fixes
omapdrm:
- DSI command mode display support
stm
- fb modifier support
- runtime PM support
sun4i:
- use vmap ops
vc4:
- binner bo binding rework
v3d:
- compute shader support
- resync/sync fixes
- job management refactoring
lima:
- NULL pointer in irq handler fix
- scheduler default timeout
virtio:
- fence seqno support
- trace events
bochs:
- misc fixes
tc458767:
- IRQ/HDP handling
sii902x:
- HDMI audio support
atmel-hlcdc:
- misc fixes
meson:
- zpos support"
* tag 'drm-next-2019-07-16' of git://anongit.freedesktop.org/drm/drm: (1815 commits)
Revert "Merge branch 'vmwgfx-next' of git://people.freedesktop.org/~thomash/linux into drm-next"
Revert "mm: adjust apply_to_pfn_range interface for dropped token."
mm: adjust apply_to_pfn_range interface for dropped token.
drm/amdgpu/navi10: add uclk activity sensor
drm/amdgpu: properly guard the generic discovery code
drm/amdgpu: add missing documentation on new module parameters
drm/amdgpu: don't invalidate caches in RELEASE_MEM, only do the writeback
drm/amd/display: avoid 64-bit division
drm/amdgpu/psp11: simplify the ucode register logic
drm/amdgpu: properly guard DC support in navi code
drm/amd/powerplay: vega20: fix uninitialized variable use
drm/amd/display: dcn20: include linux/delay.h
amdgpu: make pmu support optional
drm/amd/powerplay: Zero initialize current_rpm in vega20_get_fan_speed_percent
drm/amd/powerplay: Zero initialize freq in smu_v11_0_get_current_clk_freq
drm/amd/powerplay: Use memset to initialize metrics structs
drm/amdgpu/mes10.1: Fix header guard
drm/amd/powerplay: add temperature sensor support for navi10
drm/amdgpu: fix scheduler timeout calc
drm/amdgpu: Prepare for hmm_range_register API change (v2)
...
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git://people.freedesktop.org/~thomash/linux into drm-next"
This reverts commit 031e610a6a21448a63dff7a0416e5e206724caac, reversing
changes made to 52d2d44eee8091e740d0d275df1311fb8373c9a9.
The mm changes in there we premature and not fully ack or reviewed by core mm folks,
I dropped the ball by merging them via this tree, so lets take em all back out.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Backmerge drm-next and fix up conflicts due to drmP.h removal.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.3:
UAPI Changes:
- Give each dma-buf their own inode, add DMA_BUF_SET_NAME ioctl and a show_fdinfo handler.
Cross-subsystem Changes:
- Pull in the topic/remove-fbcon-notifiers branch:
* remove fbdev notifier usage for fbcon, as prep work to clean up the fbcon locking
* assorted locking checks in vt/console code
* assorted notifier and cleanups in fbdev and backlight code
Core Changes:
- Make drm_debugfs_create_files() never fail.
- add debug print to update_vblank_count.
- Add DP_DPCD_QUIRK_NO_SINK_COUNT quirk.
- Add todo item for drm_gem_objects.
- Unexport drm_gem_(un)pin/v(un)map.
- Document struct drm_cmdline_mode.
- Rewrite the command handler for mode names, and add support to specify
rotation, reflection and overscan. With a new selftest! :)
- Fixes to drm/client for improving rotation support, and fixing variable scope.
- Small fixes to self refresh helper.
Driver Changes:
- Add rockchip RK3328 support.
- Assorted driver fixes to rockchip, vc4, rcar-du, vkms.
- Expose panfrost performance counters through unstable ioctl's, hidden
behind a module parameter.
- Enumerate CRC sources list in vkms.
- Add a basic kms driver for the Ingenic JZ47xx SoC, which will be expanded
soon with more advanced features.
- Suspend/resume fix for stm.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/18e22ec1-adf3-3a75-34a3-9fe09a91eef5@linux.intel.com
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remove-fbcon-notifiers topic branch is based on rc4, so we need a fresh
backmerge of drm-next to pull it in.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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Expose performance counters through 2 driver specific ioctls: one to
enable/disable the perfcnt block, and one to dump the counter values.
There are discussions to expose global performance monitors (those
counters that can't be retrieved on a per-job basis) in a consistent
way, but this is likely to take time to settle on something that works
for various HW/users.
The ioctls are marked unstable so we can get rid of them when the time
comes. We initally went for a debugfs-based interface, but this was
making the transition to per-FD address space more complicated (we need
to specify the namespace the GPU has to use when dumping the perf
counters), hence the decision to switch back to driver specific ioctls
which are passed the FD they operate on and thus will have a dedicated
address space attached to them.
Other than that, the implementation is pretty simple: it basically dumps
all counters and copy the values to a userspace buffer. The parsing is
left to userspace which has to know the specific layout that's used
by the GPU (layout differs on a per-revision basis).
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190618081648.17297-5-boris.brezillon@collabora.com
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Pick up rc3 and rc4 and the merges from the other branches,
we're a bit out of date.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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This patch adds complimentary DMA_BUF_SET_NAME ioctls, which lets
userspace processes attach a free-form name to each buffer.
This information can be extremely helpful for tracking and accounting
shared buffers. For example, on Android, we know what each buffer will
be used for at allocation time: GL, multimedia, camera, etc. The
userspace allocator can use DMA_BUF_SET_NAME to associate that
information with the buffer, so we can later give developers a
breakdown of how much memory they're allocating for graphics, camera,
etc.
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613223408.139221-3-fengc@google.com
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By traversing /proc/*/fd and /proc/*/map_files, processes with CAP_ADMIN
can get a lot of fine-grained data about how shmem buffers are shared
among processes. stat(2) on each entry gives the caller a unique
ID (st_ino), the buffer's size (st_size), and even the number of pages
currently charged to the buffer (st_blocks / 512).
In contrast, all dma-bufs share the same anonymous inode. So while we
can count how many dma-buf fds or mappings a process has, we can't get
the size of the backing buffers or tell if two entries point to the same
dma-buf. On systems with debugfs, we can get a per-buffer breakdown of
size and reference count, but can't tell which processes are actually
holding the references to each buffer.
Replace the singleton inode with full-fledged inodes allocated by
alloc_anon_inode(). This involves creating and mounting a
mini-pseudo-filesystem for dma-buf, following the example in fs/aio.c.
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Chenbo Feng <fengc@google.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190613223408.139221-2-fengc@google.com
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into drm-next
- The coherent memory changes including mm changes.
- Some vmwgfx debug fixes.
- Removal of vmwgfx legacy security checks.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Hellstrom <VMware> <thomas@shipmail.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190619072531.4026-1-thomas@shipmail.org
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Add the callbacks necessary to implement emulated coherent memory for
surfaces. Add a flag to the gb_surface_create ioctl to indicate that
surface memory should be coherent.
Also bump the drm minor version to signal the availability of coherent
surfaces.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Deepak Rawat <drawat@vmware.com>
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Maarten needs -rc4 backmerged so he can pull in the fbcon notifier
removal topic branch into drm-misc-next.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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the initial/default value of pa_sc_tile_steering_override need to
be exposed to user mode driver
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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New vram type.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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