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Visorchipset.c was including unnecessary include files, either included by
other headers or not needed at all.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Due to include order, the visorbus_private.h file was missing a required
include header visorbus.h. If visorchipset.c or visorbus_main.c ever were
to change the order of the includes for visobus.h and visorbus_private.h,
the code would fail to compile.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A bunch of code churn has caused the following include files to not be
needed by visorbus.h:
linux/poll.h
linux/kernel.h
linux/uuid.h
linux/seq_file.h
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The struct visor_device had a forward declaration that was not needed.
Remove it.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Visorbus.h had comments that did not have /* on its own line, this patch
makes it uniform.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A comment in channel.h was referencing windows guests, in reality the OS
of the guest is agnostic and the comment should reflect that.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We no longer send messages directly to the s-Par event log, so we do not
need the throttling defines anymore.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The vdisk task management commands are no longer used by s-Par, this
patch removes the definitions for them.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The MAXNUM #define was not being used, and it shouldn't be used.
Remove it.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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visorbus_device_resume_response functions into one.
The functions viosrbus_device_pause_response() and
viosrbus_device_resume_response() are functionally similar.
Merging these functions into a single function called
visorbus_device_changestate_response().
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The functions visorbus_create_response(), visorbus_destroy_response(),
viosrbus_device_create_response(), viosrbus_device_destroy_response()
are all functionally similar. Merging these four functions into a
single function called visorbus_response().
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace use of standard Linux dma_data_direction with a Unisys-
specific uis_dma_data_direction and provide a function to convert
from the latter to the former. This is necessary because Unisys
s-Par depends on the exact format of this field in multiple OSs
and languages, and so using the standard version creates an
unnecessary dependency between the kernel and s-Par.
Signed-off-by: Steven Matthews <steven.matthews@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removes comments that do not provide any valuable information.
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The contents of vmcallinterface.h are better placed within
visorchipset.c from an organizational perspective. The values are only
used in that file.
Signed-off-by: David Binder <david.binder@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes two checkpatch warnings in the visornic_main.c
file to avoid multiline dereference.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Cleaned up the in-line comments in the structure and added a single block
comment for the structure.
Signed-off-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixed incorrectly styled function definitions in visorbus/visorchipset.c
by placing the function names on the same line as the return.
Signed-off-by: Charles Daniels <cdaniels@fastmail.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove the filename in the comment at the beginning of the file.
Signed-off-by: Mark Foresta <Mark.Foresta@Unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Moved blocked comment on to own line at beginning of struct to follow
standard. Since this is an internal structure, the block comment isn't
actually a kernel-doc so we only start the block with one asterisk.
Signed-off-by: Mark Foresta <Mark.Foresta@Unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are new types and helpers that are supposed to be used in new code.
As a preparation to get rid of legacy types and API functions do
the conversion here.
While here, re-indent couple of lines to increase readability.
Cc: David Kershner <david.kershner@unisys.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: sparmaintainer@unisys.com
Cc: devel@driverdev.osuosl.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Added a new line before issue_vmcall_io_controlvm_addr() function
definition.
Signed-off-by: Zohaib Javed <zohaib.javed@gmail.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removed unused #define GPI_ENTRIES_PER_PAGE
Signed-off-by: Zohaib Javed <zohaib.javed@gmail.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The filename was in a comment at the beginning of the file. It is not
needed.
Signed-off-by: Zohaib Javed <zohaib.javed@gmail.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: David Binder <david.binder@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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acpi_graph_get_child_prop_value() is intended to find a child node with a
certain property value pair. The check
if (!fwnode_property_read_u32(fwnode, prop_name, &nr))
continue;
is faulty: fwnode_property_read_u32() returns zero on success, not on
failure, leading to comparing values only if the searched property was not
found.
Moreover, the check is made against the parent device node instead of
the child one as it should be.
Fixes: 79389a83bc38 (ACPI / property: Add support for remote endpoints)
Reported-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: 4.12+ <stable@vger.kernel.org> # 4.12+
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Commit 2d2a954375a0 (ACPICA: Update two error messages to emit
control method name) causes acpi_evaluate_object_typed() to fail
if its pathname argument is NULL, but some callers of that function
in the kernel, particularly acpi_nondev_subnode_data_ok(), pass
NULL as pathname to it and expect it to work.
For this reason, make acpi_evaluate_object_typed() check if its
pathname argument is NULL and fall back to using the pathname of
its handle argument if that is the case.
Reported-by: Sakari Ailus <sakari.ailus@intel.com>
Tested-by: Yang, Hyungwoo <hyungwoo.yang@intel.com>
Fixes: 2d2a954375a0 (ACPICA: Update two error messages to emit control method name)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Initializing cq_context with ev_queue in create_cq(), leads to NULL pointer
dereference in ib_uverbs_comp_handler(), if application doesnot use completion
channel. This patch fixes the cq_context initialization.
Fixes: 1e7710f3f65 ("IB/core: Change completion channel to use the reworked")
Cc: stable@vger.kernel.org # 4.12
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
(cherry picked from commit 699a2d5b1b880b4e4e1c7d55fa25659322cf5b51)
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fix from Lee Jones:
"Revert duplicate commit in da9062-core"
* tag 'mfd-fixes-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
Revert "mfd: da9061: Fix to remove BBAT_CONT register from chip model"
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With 16KB pages and a kernel Image larger than 16MB, the current
kaslr_early_init() logic for avoiding mappings across swapper table
boundaries fails since increasing the offset by kimg_sz just moves the
problem to the next boundary.
This patch rounds the offset down to (1 << SWAPPER_TABLE_SHIFT) if the
Image crosses a PMD_SIZE boundary.
Fixes: afd0e5a87670 ("arm64: kaslr: Fix up the kernel image alignment")
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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In the KASLR setup routine, we ensure that the early virtual mapping
of the kernel image does not cover more than a single table entry at
the level above the swapper block level, so that the assembler routines
involved in setting up this mapping can remain simple.
In this calculation we add the proposed KASLR offset to the values of
the _text and _end markers, and reject it if they would end up falling
in different swapper table sized windows.
However, when taking the addresses of _text and _end, the modulo offset
(the physical displacement modulo 2 MB) is already accounted for, and
so adding it again results in incorrect results. So disregard the modulo
offset from the calculation.
Fixes: 08cdac619c81 ("arm64: relocatable: deal with physically misaligned ...")
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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When there's a fatal signal pending, arm64's do_page_fault()
implementation returns 0. The intent is that we'll return to the
faulting userspace instruction, delivering the signal on the way.
However, if we take a fatal signal during fixing up a uaccess, this
results in a return to the faulting kernel instruction, which will be
instantly retried, resulting in the same fault being taken forever. As
the task never reaches userspace, the signal is not delivered, and the
task is left unkillable. While the task is stuck in this state, it can
inhibit the forward progress of the system.
To avoid this, we must ensure that when a fatal signal is pending, we
apply any necessary fixup for a faulting kernel instruction. Thus we
will return to an error path, and it is up to that code to make forward
progress towards delivering the fatal signal.
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Steve Capper <steve.capper@arm.com>
Tested-by: Steve Capper <steve.capper@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Tested-by: James Morse <james.morse@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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There are some tricky dependencies between the different stages of
flushing the FPSIMD register state during exec, and these can race
with context switch in ways that can cause the old task's regs to
leak across. In particular, a context switch during the memset() can
cause some of the task's old FPSIMD registers to reappear.
Disabling preemption for this small window would be no big deal for
performance: preemption is already disabled for similar scenarios
like updating the FPSIMD registers in sigreturn.
So, instead of rearranging things in ways that might swap existing
subtle bugs for new ones, this patch just disables preemption
around the FPSIMD state flushing so that races of this type can't
occur here. This brings fpsimd_flush_thread() into line with other
code paths.
Cc: stable@vger.kernel.org
Fixes: 674c242c9323 ("arm64: flush FP/SIMD state correctly after execve()")
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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When user tries to replace the user-defined control TLV, the kernel
checks the change of its content via memcmp(). The problem is that
the kernel passes the return value from memcmp() as is. memcmp()
gives a non-zero negative value depending on the comparison result,
and this shall be recognized as an error code.
The patch covers that corner-case, return 1 properly for the changed
TLV.
Fixes: 8aa9b586e420 ("[ALSA] Control API - more robust TLV implementation")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes
Pull "Driver fixes for 4.13" from Alexandre Belloni:
- Multiple EBI/SMC timing setting/calculation fixes
* tag 'at91-ab-4.13-drivers-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
memory: atmel-ebi: Fix smc cycle xlate converter
memory: atmel-ebi: Allow t_DF timings of zero ns
memory: atmel-ebi: Fix smc timing return value evaluation
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This is the same bug as we fixed in commit f6cd7daecff5 ("drm: Release
driver references to handle before making it available again"), but now
the exposure is via the PRIME lookup tables. If we remove the
object/handle from the PRIME lut, then a new request for the same
object/fd will generate a new handle, thus for a short window that
object is known to userspace by two different handles. Fix this by
releasing the driver tracking before PRIME.
Fixes: 0ff926c7d4f0 ("drm/prime: add exported buffers to current fprivs
imported buffer list (v2)")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170819120558.6465-1-chris@chris-wilson.co.uk
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These headsets reports a lot of: cannot set freq 44100 to ep 0x81
and need a small delay between sample rate settings, just like
Zoom R16/24. Add both headsets to the Zoom R16/24 quirk for
a 1 ms delay between control msgs.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch was applied to the MFD twice, causing unwanted behavour.
This reverts commit b77eb79acca3203883e8d8dbc7f2b842def1bff8.
Fixes: b77eb79acca3 ("mfd: da9061: Fix to remove BBAT_CONT register from chip model")
Reported-by: Steve Twiss <stwiss.opensource@diasemi.com>
Reviewed-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://anongit.freedesktop.org/git/drm-misc into drm-fixes
Core Changes:
- Fix framebuffer leak in setplane error condition (Nikil)
- Prevent BUG in atomic_ioctl by properly resetting state on EDEADLK (Maarten)
- Add missing return in atomic_check_only if atomic_check fails (Maarten)
Driver Changes:
- rockchip: Don't try to suspend if device not initialized (Jeffy)
Cc: Jeffy Chen <jeffy.chen@rock-chips.com>
Cc: Nikhil Mahale <nmahale@nvidia.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
* tag 'drm-misc-fixes-2017-08-18' of git://anongit.freedesktop.org/git/drm-misc:
drm/atomic: If the atomic check fails, return its value first
drm/atomic: Handle -EDEADLK with out-fences correctly
drm: Fix framebuffer leak
drm/rockchip: Fix suspend crash when drm is not bound
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git://git.pengutronix.de/git/pza/linux into drm-fixes
drm/imx: fix YUV primary plane and IPUv3 build corner case
- Enable color space conversion on the primary plane when the framebuffer
format is a YUV format.
- The IPUv3 base driver now uses drm_format_info in the PRE/PRG code. The
PRE/PRG parts are already disabled if DRM is not available. Enforce that
if DRM is built as a module, IPUv3 must be built as a module, too.
* tag 'imx-drm-fixes-2017-08-18' of git://git.pengutronix.de/git/pza/linux:
drm/imx: ipuv3-plane: fix YUV framebuffer scanout on the base plane
gpu: ipu-v3: add DRM dependency
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https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
Allwinner DRM fixes for 4.13
A single commit to restore the framebuffer console when there's no DRM
users left.
* tag 'sunxi-drm-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm/sun4i: Implement drm_driver lastclose to restore fbdev console
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Pull sparc fixes from David Miller:
"Just a couple small fixes, two of which have to do with gcc-7:
1) Don't clobber kernel fixed registers in __multi4 libgcc helper.
2) Fix a new uninitialized variable warning on sparc32 with gcc-7,
from Thomas Petazzoni.
3) Adjust pmd_t initializer on sparc32 to make gcc happy.
4) If ATU isn't available, don't bark in the logs. From Tushar Dave"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: kernel/pcic: silence gcc 7.x warning in pcibios_fixup_bus()
sparc64: remove unnecessary log message
sparc64: Don't clibber fixed registers in __multi4.
mm: add pmd_t initializer __pmd() to work around a GCC bug.
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When building the kernel for Sparc using gcc 7.x, the build fails
with:
arch/sparc/kernel/pcic.c: In function ‘pcibios_fixup_bus’:
arch/sparc/kernel/pcic.c:647:8: error: ‘cmd’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
cmd |= PCI_COMMAND_IO;
^~
The simplified code looks like this:
unsigned int cmd;
[...]
pcic_read_config(dev->bus, dev->devfn, PCI_COMMAND, 2, &cmd);
[...]
cmd |= PCI_COMMAND_IO;
I.e, the code assumes that pcic_read_config() will always initialize
cmd. But it's not the case. Looking at pcic_read_config(), if
bus->number is != 0 or if the size is not one of 1, 2 or 4, *val will
not be initialized.
As a simple fix, we initialize cmd to zero at the beginning of
pcibios_fixup_bus.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
- PAE40 related updates
- SLC errata for region ops
- intc line masking by default
* tag 'arc-4.13-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
arc: Mask individual IRQ lines during core INTC init
ARCv2: PAE40: set MSB even if !CONFIG_ARC_HAS_PAE40 but PAE exists in SoC
ARCv2: PAE40: Explicitly set MSB counterpart of SLC region ops addresses
ARC: dma: implement dma_unmap_page and sg variant
ARCv2: SLC: Make sure busy bit is set properly for region ops
ARC: [plat-sim] Include this platform unconditionally
ARC: [plat-axs10x]: prepare dts files for enabling PAE40 on axs103
ARC: defconfig: Cleanup from old Kconfig options
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fix from Alexandre Belloni:
"Fix regmap configuration for ds1307"
* tag 'rtc-4.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: ds1307: fix regmap config
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Pull networking fixes from David Miller:
1) Fix IGMP handling wrt VRF, from David Ahern.
2) Fix timer access to freed object in dccp, from Eric Dumazet.
3) Use kmalloc_array() in ptr_ring to avoid overflow cases which are
triggerable by userspace. Also from Eric Dumazet.
4) Fix infinite loop in unmapping cleanup of nfp driver, from Colin Ian
King.
5) Correct datagram peek handling of empty SKBs, from Matthew Dawson.
6) Fix use after free in TIPC, from Eric Dumazet.
7) When replacing a route in ipv6 we need to reset the round robin
pointer, from Wei Wang.
8) Fix bug in pci_find_pcie_root_port() which was unearthed by the
relaxed ordering changes, from Thierry Redding. I made sure to get
an explicit ACK from Bjorn this time around :-)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
ipv6: repair fib6 tree in failure case
net_sched: fix order of queue length updates in qdisc_replace()
tools lib bpf: improve warning
switchdev: documentation: minor typo fixes
bpf, doc: also add s390x as arch to sysctl description
net: sched: fix NULL pointer dereference when action calls some targets
rxrpc: Fix oops when discarding a preallocated service call
irda: do not leak initialized list.dev to userspace
net/mlx4_core: Enable 4K UAR if SRIOV module parameter is not enabled
PCI: Allow PCI express root ports to find themselves
tcp: when rearming RTO, if RTO time is in past then fire RTO ASAP
net: check and errout if res->fi is NULL when RTM_F_FIB_MATCH is set
ipv6: reset fn->rr_ptr when replacing route
sctp: fully initialize the IPv6 address in sctp_v6_to_addr()
tipc: fix use-after-free
tun: handle register_netdevice() failures properly
datagram: When peeking datagrams with offset < 0 don't skip empty skbs
bpf, doc: improve sysctl knob description
netxen: fix incorrect loop counter decrement
nfp: fix infinite loop on umapping cleanup
...
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This was reported many times, and this was even mentioned in commit
52ee2dfdd4f5 ("pids: refactor vnr/nr_ns helpers to make them safe") but
somehow nobody bothered to fix the obvious problem: task_tgid_nr_ns() is
not safe because task->group_leader points to nowhere after the exiting
task passes exit_notify(), rcu_read_lock() can not help.
We really need to change __unhash_process() to nullify group_leader,
parent, and real_parent, but this needs some cleanups. Until then we
can turn task_tgid_nr_ns() into another user of __task_pid_nr_ns() and
fix the problem.
Reported-by: Troy Kensinger <tkensinger@google.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: two fixes for sthyi emulation
- missing inline assembly constraint
- wrong exception handling
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With '-mtune=atom', which is enabled with CONFIG_MATOM=y, GCC uses some
unusual instructions for setting up the stack.
Instead of:
mov %rsp, %rbp
it does:
lea (%rsp), %rbp
And instead of:
add imm, %rsp
it does:
lea disp(%rsp), %rsp
Add support for these instructions to the objtool decoder.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: baa41469a7b9 ("objtool: Implement stack validation 2.0")
Link: http://lkml.kernel.org/r/4ea1db896e821226efe1f8e09f270771bde47e65.1501188854.git.jpoimboe@redhat.com
[ This is a cherry-picked version of upcoming commit 5b8de48e82ba. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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sthyi should only generate a specification exception if the function
code is zero and the response buffer is not on a 4k boundary.
The current code would also test for unknown function codes if the
response buffer, that is currently only defined for function code 0,
is not on a 4k boundary and incorrectly inject a specification
exception instead of returning with condition code 3 and return code 4
(unsupported function code).
Fix this by moving the boundary check.
Fixes: 95ca2cb57985 ("KVM: s390: Add sthyi emulation")
Cc: <stable@vger.kernel.org> # 4.8+
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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The sthyi inline assembly misses register r3 within the clobber
list. The sthyi instruction will always write a return code to
register "R2+1", which in this case would be r3. Due to that we may
have register corruption and see host crashes or data corruption
depending on how gcc decided to allocate and use registers during
compile time.
Fixes: 95ca2cb57985 ("KVM: s390: Add sthyi emulation")
Cc: <stable@vger.kernel.org> # 4.8+
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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We to some extent should tolerate R1_OUT_OF_RANGE for open-ending
mode as it is expected behaviour and most of the backup partition
tables should be located near some of the last blocks which will
always make open-ending read exceed the capacity of cards.
Fixes: 9820a5b11101 ("mmc: core: for data errors, take response of stop cmd into account")
Fixes: a04e6bae9e6f ("mmc: core: check also R1 response for stop commands")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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