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All direct calls are now registered using the register_ftrace_direct API
so each ops can jump to only one direct-called trampoline.
By storing the direct called trampoline address directly in the ops we
can save one hashmap lookup in the direct call ops and implement arm64
direct calls on top of call ops.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Florent Revest <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
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Now that the original _ftrace_direct APIs are gone, the "_multi"
suffixes only add confusion.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Florent Revest <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Tested-by: Mark Rutland <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
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This API relies on a single global ops, used for all direct calls
registered with it. However, to implement arm64 direct calls, we need
each ops to point to a single direct call trampoline.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Florent Revest <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Tested-by: Mark Rutland <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
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A common pattern when using the ftrace_direct_multi API is to unregister
the ops and also immediately free its filter. We've noticed it's very
easy for users to miss calling ftrace_free_filter().
This adds a "free_filters" argument to unregister_ftrace_direct_multi()
to both remind the user they should free filters and also to make their
life easier.
Link: https://lkml.kernel.org/r/[email protected]
Suggested-by: Steven Rostedt <[email protected]>
Signed-off-by: Florent Revest <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
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Merge series from Richard Fitzgerald <[email protected]>:
The CS35L56 is a high-performance boosted mono audio amplifier.
Supported control interfaces are I2C, SPI or SoundWire.
Supported audio interfaces are I2S/TDM or SoundWire.
The CS35L56 has a self-booting firmware in ROM, with the ability
to patch the firmware and/or apply tunings.
Patches #1 to #7 add support to cs_dsp and wm_adsp for self-booting
firmware and the ability to apply a .bin file without having to
apply a .wmfw.
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The GHCB specification declares that the firmware error value for
a guest request will be stored in the lower 32 bits of EXIT_INFO_2. The
upper 32 bits are for the VMM's own error code. The fw_err argument to
snp_guest_issue_request() is thus a misnomer, and callers will need
access to all 64 bits.
The type of unsigned long also causes problems, since sw_exit_info2 is
u64 (unsigned long long) vs the argument's unsigned long*. Change this
type for issuing the guest request. Pass the ioctl command struct's error
field directly instead of in a local variable, since an incomplete guest
request may not set the error code, and uninitialized stack memory would
be written back to user space.
The firmware might not even be called, so bookend the call with the no
firmware call error and clear the error.
Since the "fw_err" field is really exitinfo2 split into the upper bits'
vmm error code and lower bits' firmware error code, convert the 64 bit
value to a union.
[ bp:
- Massage commit message
- adjust code
- Fix a build issue as
Reported-by: kernel test robot <[email protected]>
Link: https://lore.kernel.org/oe-kbuild-all/[email protected]
- print exitinfo2 in hex
Tom:
- Correct -EIO exit case. ]
Signed-off-by: Dionna Glaze <[email protected]>
Signed-off-by: Tom Lendacky <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/[email protected]
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DP2.0 E11 defines a new register to facilitate SDP error detection by a
128B/132B capable DPRX device.
v2: Update the macro name to reflect the DP spec(Harry)
Signed-off-by: Arun R Murthy <[email protected]>
Reviewed-by: Harry Wentland <[email protected]>
Signed-off-by: Jani Nikula <[email protected]>
Acked-by: Thomas Zimmermann <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Adds device tree configuration for cs35l45 GPIOs
Signed-off-by: Vlad Karpovich <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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Add logic for setting up and tearing down chained DMA connections.
Since pipelines are not used, all the logic to set the pipeline states
can be bypassed, with only the DMA programming sequences remaining. In
addition the same format needs to be used for host- and link-DMA,
without the usual fixup to use the S32_LE format on the link.
Note however that for convenience and compatibility with existing
definitions, the topology relies on the concept of pipelines with a
'USE_CHAIN_DMA' token indicating that all the logic shall be bypassed.
Unlike 'normal' ALSA sequences, the chain DMA is not programmed in
hw_params/hw_free. The IPC message to set-up and tear-down chained DMA
are sent in sof_ipc4_trigger_pipelines(), but the contents prepared
earlier.
Chained DMA is only supported by the Intel HDA DAI for now, and only
S16_LE and S32_LE formats are supported for now.
Signed-off-by: Jyri Sarha <[email protected]>
Reviewed-by: Rander Wang <[email protected]>
Signed-off-by: Peter Ujfalusi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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In the chained DMA mode, the firmware allocates buffers for the host
and link DMA, and takes care of copying data between host- and
link-DMA buffers in a low-latency thread. This is different to a
regular pipeline, no processing is allowed, and the connection between
host- and link DMA is handled with a dedicated IPC.
This patch exposes the macros needed to create the required IPC messages.
Signed-off-by: Jyri Sarha <[email protected]>
Reviewed-by: Rander Wang <[email protected]>
Signed-off-by: Peter Ujfalusi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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The CS35L56 combines a high-performance mono audio amplifier, Class-H
tracking inductive boost converter, Halo Core(TM) DSP and a DC-DC boost
converter supporting Class-H tracking.
Supported control interfaces are I2C, SPI or SoundWire.
Supported audio interfaces are I2S/TDM or SoundWire.
Most chip functionality is controlled by on-board ROM firmware that is
always running. The driver must apply patch/tune to the firmware
before using the CS35L56.
Signed-off-by: Simon Trimmer <[email protected]>
Signed-off-by: Richard Fitzgerald <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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There are devices containing Halo Core DSPs that self-boot, cs_dsp is
used to manage the running firmware but the host does not have direct
control over starting and stopping the DSP and so cs_dsp should consider
the DSP to be always running.
Signed-off-by: Simon Trimmer <[email protected]>
Signed-off-by: Richard Fitzgerald <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
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__enter_from_user_mode() is triggering noinstr warnings with
CONFIG_DEBUG_PREEMPT due to its call of preempt_count_add() via
ct_state().
The preemption disable isn't needed as interrupts are already disabled.
And the context_tracking_enabled() check in ct_state() also isn't needed
as that's already being done by the CT_WARN_ON().
Just use __ct_state() instead.
Fixes the following warnings:
vmlinux.o: warning: objtool: enter_from_user_mode+0xba: call to preempt_count_add() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode+0xf9: call to preempt_count_add() leaves .noinstr.text section
vmlinux.o: warning: objtool: syscall_enter_from_user_mode_prepare+0xc7: call to preempt_count_add() leaves .noinstr.text section
vmlinux.o: warning: objtool: irqentry_enter_from_user_mode+0xba: call to preempt_count_add() leaves .noinstr.text section
Fixes: 171476775d32 ("context_tracking: Convert state to atomic_t")
Signed-off-by: Josh Poimboeuf <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/r/d8955fa6d68dc955dda19baf13ae014ae27926f5.1677369694.git.jpoimboe@kernel.org
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The PSP can return a "firmware error" code of -1 in circumstances where
the PSP has not actually been called. To make this protocol unambiguous,
name the value SEV_RET_NO_FW_CALL.
[ bp: Massage a bit. ]
Signed-off-by: Peter Gonda <[email protected]>
Signed-off-by: Dionna Glaze <[email protected]>
Signed-off-by: Borislav Petkov (AMD) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Zero-length arrays as fake flexible arrays are deprecated and we are
moving towards adopting C99 flexible-array members instead.
Address the following warning found with GCC-13 and
-fstrict-flex-arrays=3 enabled:
drivers/gpu/drm/i915/gem/i915_gem_context.c: In function ‘set_proto_ctx_engines.isra’:
drivers/gpu/drm/i915/gem/i915_gem_context.c:769:41: warning: array subscript n is outside array bounds of ‘struct i915_engine_class_instance[0]’ [-Warray-bounds=]
769 | if (copy_from_user(&ci, &user->engines[n], sizeof(ci))) {
| ^~~~~~~~~~~~~~~~~
./include/uapi/drm/i915_drm.h:2494:43: note: while referencing ‘engines’
2494 | struct i915_engine_class_instance engines[0];
This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
routines on memcpy() and help us make progress towards globally
enabling -fstrict-flex-arrays=3 [1].
Link: https://github.com/KSPP/linux/issues/21
Link: https://github.com/KSPP/linux/issues/271
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Tvrtko Ursulin <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/ZBSu2QsUJy31kjSE@work
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This moves all hugetlb sysctls to its own file, also kill an
useless hugetlb_treat_movable_handler() defination.
Signed-off-by: Kefeng Wang <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Reviewed-by: Mike Kravetz <[email protected]>
Reviewed-by: Muchun Song <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
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The sysctl_unprivileged_userfaultfd is part of userfaultfd, move it to
its own file.
Signed-off-by: ZhangPeng <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
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To avoid more possible BPF dependencies with moving bitfields
around keep the fields BPF cares about right next to the offset
marker.
Signed-off-by: Jakub Kicinski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin KaFai Lau <[email protected]>
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BPF needs to know the offsets of fields it tries to access.
Zero-length fields are added to make offsetof() work.
This unfortunately partitions the bitfield (fields across
the zero-length members can't be coalesced).
Reorder bytes 2 and 3, BPF needs to know the offset of fields
previously in byte 3 and some fields in byte 2 should really
be optional.
The two bytes are always in the same cacheline so it should
not matter.
Signed-off-by: Jakub Kicinski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin KaFai Lau <[email protected]>
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vlan_present is gone since
commit 354259fa73e2 ("net: remove skb->vlan_present")
rename the offset field to what BPF is currently looking
for in this byte - mono_delivery_time and tc_at_ingress.
Signed-off-by: Jakub Kicinski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin KaFai Lau <[email protected]>
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The SGMII core found in several MediaTek SoCs is identical to what can
also be found in MediaTek's MT7531 Ethernet switch IC.
As this has not always been clear, both drivers developed different
implementations to deal with the PCS.
Recently Alexander Couzens pointed out this fact which lead to the
development of this shared driver.
Add a dedicated driver, mostly by copying the code now found in the
Ethernet driver. The now redundant code will be removed by a follow-up
commit.
Suggested-by: Alexander Couzens <[email protected]>
Suggested-by: Russell King (Oracle) <[email protected]>
Signed-off-by: Daniel Golle <[email protected]>
Tested-by: Frank Wunderlich <[email protected]>
Reviewed-by: Russell King (Oracle) <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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io_uring_cmd_done() currently assumes that the uring_lock is held
when invoked, and while it generally is, this is not guaranteed.
Pass in the issue_flags associated with it, so that we have
IO_URING_F_UNLOCKED available to be able to lock the CQ ring
appropriately when completing events.
Cc: [email protected]
Fixes: ee692a21e9bf ("fs,io_uring: add infrastructure for uring-cmd")
Signed-off-by: Jens Axboe <[email protected]>
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Add clock driver for Sunplus SP7021 SoC.
Signed-off-by: Qin Jian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>
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io_uring provides the only way user space can poll completions, and that
always sets BLK_POLL_NOSLEEP. This effectively makes hybrid polling dead
code, so remove it and everything supporting it.
Hybrid polling was effectively killed off with 9650b453a3d4b1, "block:
ignore RWF_HIPRI hint for sync dio", but still potentially reachable
through io_uring until d729cf9acb93119, "io_uring: don't sleep when
polling for I/O", but hybrid polling probably should not have been
reachable through that async interface from the beginning.
Fixes: 9650b453a3d4 ("block: ignore RWF_HIPRI hint for sync dio")
Fixes: d729cf9acb93 ("io_uring: don't sleep when polling for I/O")
Signed-off-by: Keith Busch <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Pull NFS client fixes from Anna Schumaker:
- Fix /proc/PID/io read_bytes accounting
- Fix setting NLM file_lock start and end during decoding testargs
- Fix timing for setting access cache timestamps
* tag 'nfs-for-6.3-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Correct timing for assigning access cache timestamp
lockd: set file_lock start and end when decoding nlm4 testargs
NFS: Fix /proc/PID/io read_bytes for buffered reads
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acpi_evaluate_dsm_typed() needs to be gaurded with CONFIG_ACPI to avoid
a redefintion error when the stub is also enabled.
In file included from ../drivers/bluetooth/btintel.c:13:
../include/acpi/acpi_bus.h:57:1: error: redefinition of 'acpi_evaluate_dsm_typed'
57 | acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid,..
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from ../drivers/bluetooth/btintel.c:12:
../include/linux/acpi.h:967:34: note: previous definition of
'acpi_evaluate_dsm_typed' with type 'union acpi_object *(void *,
const guid_t *, u64, u64, union acpi_object *, acpi_object_type)'
{aka 'union acpi_object *(void *, const guid_t *, long long unsigned int,
long long unsigned int, union acpi_object *, unsigned int)'}
967 | static inline union acpi_object
*acpi_evaluate_dsm_typed(acpi_handle handle,
Fixes: 1b94ad7ccc21 ("ACPI: utils: Add acpi_evaluate_dsm_typed() and acpi_check_dsm() stubs")
Signed-off-by: Kiran K <[email protected]>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
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For convenience (less code duplication), the pin controller pin
configuration register values were defined in the bindings header.
These are not some IDs or other abstraction layer but raw numbers used
in the registers.
These constants do not fit the purpose of bindings. They do not
provide any abstraction, any hardware and driver independent ID. In
fact, the Linux pinctrl-single driver actually do not use the bindings
header at all.
All of the constants were moved already to headers local to DTS
(residing in DTS directory), so remove any references to the bindings
header and add a warning that it is deprecated.
Suggested-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/linux-arm-kernel/[email protected]/
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Nishanth Menon <[email protected]>
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Merge drm-next into msm-next to pick up external clk and PM dependencies
for improved a6xx GPU reset sequence.
Signed-off-by: Rob Clark <[email protected]>
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After working with the larger SELinux-based distros for several
years, we're finally at a place where we can disable the SELinux
runtime disable functionality. The existing kernel deprecation
notice explains the functionality and why we want to remove it:
The selinuxfs "disable" node allows SELinux to be disabled at
runtime prior to a policy being loaded into the kernel. If
disabled via this mechanism, SELinux will remain disabled until
the system is rebooted.
The preferred method of disabling SELinux is via the "selinux=0"
boot parameter, but the selinuxfs "disable" node was created to
make it easier for systems with primitive bootloaders that did not
allow for easy modification of the kernel command line.
Unfortunately, allowing for SELinux to be disabled at runtime makes
it difficult to secure the kernel's LSM hooks using the
"__ro_after_init" feature.
It is that last sentence, mentioning the '__ro_after_init' hardening,
which is the real motivation for this change, and if you look at the
diffstat you'll see that the impact of this patch reaches across all
the different LSMs, helping prevent tampering at the LSM hook level.
From a SELinux perspective, it is important to note that if you
continue to disable SELinux via "/etc/selinux/config" it may appear
that SELinux is disabled, but it is simply in an uninitialized state.
If you load a policy with `load_policy -i`, you will see SELinux
come alive just as if you had loaded the policy during early-boot.
It is also worth noting that the "/sys/fs/selinux/disable" file is
always writable now, regardless of the Kconfig settings, but writing
to the file has no effect on the system, other than to display an
error on the console if a non-zero/true value is written.
Finally, in the several years where we have been working on
deprecating this functionality, there has only been one instance of
someone mentioning any user visible breakage. In this particular
case it was an individual's kernel test system, and the workaround
documented in the deprecation notice ("selinux=0" on the kernel
command line) resolved the issue without problem.
Acked-by: Casey Schaufler <[email protected]>
Signed-off-by: Paul Moore <[email protected]>
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All engine masks are exposed to user, make sure user gets the
correct rotator enabled mask in gaudi2.
Signed-off-by: Ofir Bitton <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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Commit 2c204f3d53218d ("accel: add dedicated minor for accelerator
devices") adds link to accelerator nodes section of DRM internals doc
(Documentation/gpu/drm-internals.rst), but the target doesn't exist.
Instead, there is only an introduction doc for computer accelerator
subsytem.
Link to that doc until there is documentation of accelerator internals.
Fixes: 2c204f3d53218d ("accel: add dedicated minor for accelerator devices")
Signed-off-by: Bagas Sanjaya <[email protected]>
Reviewed-by: Jeffrey Hugo <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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We expose this in order for user applications to know how much dram
is reserved for internal use.
Signed-off-by: Ofir Bitton <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
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Don't use padX for actual reservedX fields.
Signed-off-by: Oded Gabbay <[email protected]>
Reviewed-by: Ofir Bitton <[email protected]>
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We should call v4l2_ctrl_request_hdl_put() instead of
v4l2_ctrl_request_put_hdl(). Fix the typo.
Signed-off-by: Miaoqian Lin <[email protected]>
Reviewed-by: Nicolas Dufresne <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Now that all interconnect drivers have been converted to the new
provider registration API, the old racy interface can be removed.
Reviewed-by: Konrad Dybcio <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Georgi Djakov <[email protected]>
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The Amlogic Meson internal PHY's have the same register layout as
certain SMSC PHY's (also for non-c22-standard registers). This seems
to be more than just coincidence. Apparently they also need the same
workaround for EDPD mode (energy detect power down). Therefore let's
export SMSC PHY driver functionality for use by the meson-gxl PHY
driver.
Signed-off-by: Heiner Kallweit <[email protected]>
Signed-off-by: Chris Healy <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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During XFRM acquire flow, a default SA is created to be updated later,
once acquire netlink message is handled in user space. When the relevant
policy is offloaded this default SA is also offloaded to IPsec offload
supporting driver, however this SA does not have context suitable for
offloading in HW, nor is interesting to offload to HW, consequently needs
a special driver handling apart from other offloaded SA(s).
Add a special flag that marks such SA so driver can handle it correctly.
Signed-off-by: Raed Salem <[email protected]>
Link: https://lore.kernel.org/r/f5da0834d8c6b82ab9ba38bd4a0c55e71f0e3dab.1678714336.git.leon@kernel.org
Acked-by: Steffen Klassert <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
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During chip initialization, ports that use SGMII / QSGMII to interface to
external phys need to be configured on the VSC7513 and VSC7514. Expose this
configuration routine, so it can be used by DSA drivers.
Signed-off-by: Colin Foster <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The ocelot-switch driver can utilize the phylink_mac_config routine. Move
this to the ocelot library location and export the symbol to make this
possible.
Signed-off-by: Colin Foster <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Ocelot chips have an internal PLL that must be used when communicating
through external phys. Expose the init routine, so it can be used by other
drivers.
Signed-off-by: Colin Foster <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We need the tty/serial fixes in here and it resolves a merge conflict
with:
drivers/tty/serial/8250/8250_em.c
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We need the mainline fixes in this branch for testing and other
subsystem changes to be based properly on.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.4-2023-03-17:
amdgpu:
- Misc code cleanups
- Documentation fixes
- Make kobj structures const
- Add thermal throttling adjustments for supported APUs
- UMC RAS fixes
- Display reset fixes
- DCN 3.2 fixes
- Freesync fixes
- DC code reorg
- Generalize dmabuf import to work with KFD
- DC DML fixes
- SRIOV fixes
- UVD code cleanups
- IH 4.4.2 updates
- HDP 4.4.2 updates
- SDMA 4.4.2 updates
- PSP 13.0.6 updates
- Add capped/uncapped workload handling for supported APUs
- DCN 3.1.4 updates
- Re-org DC Kconfig
- USB4 fixes
- Reorg DC plane and stream handling
- Register vga_switcheroo for apple-gmux
- SMU 13.0.6 updates
- Fix error checking in read_mm_registers functions for affected families
- VCN 4.0.4 fix
- Drop redundant pci_enable_pcie_error_reporting() call
- RDNA2 SMU OD suspend/resume fix
- Expose additional memory stats via fdinfo
- RAS fixes
- Misc display fixes
- DP MST fixes
- IOMMU regression fix for KFD
amdkfd:
- Make kobj structures const
- Support for exporting buffers via dmabuf
- Multi-VMA page migration fixes
- NBIO fixes
- Misc code cleanups
- Fix possible double free
- Fix possible UAF
radeon:
- iMac fix
UAPI:
- KFD dmabuf export support. Required for importing KFD buffers into GEM contexts and for RDMA P2P support.
Proposed user mode changes: https://github.com/fxkamd/ROCT-Thunk-Interface/commits/fxkamd/dmabuf
From: Alex Deucher <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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A common case with subdev routing is that on the subdevice just before
the DMA engines (video nodes), no multiplexing is allowed on the source
pads, as the DMA engine can only handle a single stream.
In some other situations one might also want to do the same check on the
sink side.
Add new routing validation flags to check these:
V4L2_SUBDEV_ROUTING_NO_SINK_MULTIPLEXING and
V4L2_SUBDEV_ROUTING_NO_SOURCE_MULTIPLEXING.
Signed-off-by: Tomi Valkeinen <[email protected]>
Reviewed-by: Jacopo Mondi <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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V4L2_SUBDEV_ROUTING_NO_STREAM_MIX routing validation flag means that all
routes from a sink pad must go to the same source pad and all routes
going to the same source pad must originate from the same sink pad.
This does not cover all use cases. For example, if a device routes
all streams from a single sink pad to any of the source pads, but
streams from multiple sink pads can go to the same source pad, the
current flag is too restrictive.
Split the flag into two parts, V4L2_SUBDEV_ROUTING_NO_SINK_STREAM_MIX
and V4L2_SUBDEV_ROUTING_NO_SOURCE_STREAM_MIX, which add the restriction
only on one side of the device. Together they mean the same as
V4L2_SUBDEV_ROUTING_NO_STREAM_MIX.
Signed-off-by: Tomi Valkeinen <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Reviewed-by: Jacopo Mondi <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Route validation docs use the word 'may'. Change that to 'shall' for
emphasis.
Signed-off-by: Tomi Valkeinen <[email protected]>
Reviewed-by: Jacopo Mondi <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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These two capabilities are no longer supported, so no
longer define them when compiling the kernel.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Destructive overlay support (i.e. where the video frame is DMA-ed
straight into a framebuffer) is effectively dead. It was a
necessary evil in the early days when computers were not fast enough
to copy SDTV video frames around, but today that's no longer a problem.
It requires access to the framebuffer memory, which is a bad idea and
very hard to do safely. In addition, in drm it is today almost
impossible to get hold of the framebuffer address.
So drop support for this.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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dvb_net.h includes a bunch of core networking headers which increases
the number of objects rebuilt when we touch them. They are unnecessary
for the header itself and only one driver has an indirect dependency.
tveeprom.h includes if_packet to gain access to ETH_ALEN. This
is a bit of an overkill because if_packet.h pulls in skbuff.h.
The definition of ETH_ALEN is in the uAPI header, which is
very rarely touched, so switch to including that.
This results in roughly 250 fewer objects built when skbuff.h
is touched (6028 -> 5788).
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Add a keymap for the simple IR (NEC) remote used with the Beelink
Mini MXIII Android STB device.
Signed-off-by: Christian Hewitt <[email protected]>
Signed-off-by: Sean Young <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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