The core now knows how to set the symbol duration in a few cases, when
drivers correctly advertise the protocols used on each channel. For
these drivers, there is no more need to bother with symbol duration,
lifs and sifs periods so just drop the duplicated code.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220201180629.93410-5-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
As depicted in the IEEE 802.15.4 specification, modulation/bands are
tight to a number of page/channels so we can for most of them derive the
durations automatically.
The two locations that must call this new helper to set the variou
symbol durations are:
- when manually requesting a channel change though the netlink interface
- at PHY creation, once the device driver has set the default
page/channel
If an information is missing, the symbol duration is not touched, a
debug message is eventually printed. This keeps the compatibility with
the unconverted drivers for which it was too complicated for me to find
their precise information. If they initially provided a symbol duration,
it would be kept. If they don't, the symbol duration value is left
untouched.
Once the symbol duration derived, the lifs and sifs durations are
updated as well.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220201180629.93410-4-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Tdsym is often given in the spec as pretty small numbers in microseconds
and hence was reflected in the code as symbol_duration and was stored as
a u8. Actually, for UWB PHYs, the symbol duration is given in
nanoseconds and are as precise as picoseconds. In order to handle better
these PHYs, change the type of symbol_duration to u32 and store this
value in nanoseconds.
All the users of this variable are updated in a mechanical way.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alexander Aring <aahringo@redhat.com>
Link: https://lore.kernel.org/r/20220201180629.93410-3-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
These periods are expressed in time units (microseconds) while 40 and 12
are the number of symbol durations these periods will last. We need to
multiply them both with the symbol_duration in order to get these
values in microseconds.
Fixes: ded845a781 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220201180629.93410-2-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
- mt7915 mcu code cleanup
- mt7916 support
- fixes for SDIO support
- fixes for DFS
- power management fixes
- stability improvements
- background radar detection support
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Merge tag 'mt76-for-kvalo-2022-02-04' of https://github.com/nbd168/wireless into main
mt76 patches for 5.18
- mt7915 mcu code cleanup
- mt7916 support
- fixes for SDIO support
- fixes for DFS
- power management fixes
- stability improvements
- background radar detection support
Stefan Schmidt says:
====================
pull-request: ieee802154-next 2022-02-10
An update from ieee802154 for your *net-next* tree.
There is more ongoing in ieee802154 than usual. This will be the first pull
request for this cycle, but I expect one more. Depending on review and rework
times.
Pavel Skripkin ported the atusb driver over to the new USB api to avoid unint
problems as well as making use of the modern api without kmalloc() needs in he
driver.
Miquel Raynal landed some changes to ensure proper frame checksum checking with
hwsim, documenting our use of wake and stop_queue and eliding a magic value by
using the proper define.
David Girault documented the address struct used in ieee802154.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 8c9b9cfb77 ("ASoC: fsl-asoc-card: Support
fsl,imx-audio-tlv320aic31xx codec")' added support for tlv320aic31xx
codec to fsl-asoc-card, but missed the related device-tree compatible
string documentation. Fix this.
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Link: https://lore.kernel.org/r/20220210134049.32576-1-ariel.dalessandro@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge tag 'mips-fixes-5.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fix from Thomas Bogendoerfer:
"Device tree fix for Ingenic CI20"
* tag 'mips-fixes-5.17_3' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: DTS: CI20: fix how ddc power is enabled
Clip the damage area horizontally if only a single scanline has been
changed. This is helpful to reduce the memcpy overhead for small writes.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-6-tzimmermann@suse.de
Write helpers used to mark the complete screen as dirty. This is
wasteful for writes that only change a small portion of the screen.
Fix the problem by computing the damaged area from the written
memory range and perform damage handling accordingly.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-5-tzimmermann@suse.de
Add drm_fb_helper_memory_range_to_clip(), a helper function that
accepts an linear range of video memory and converts it into a
rectangle. The computed rectangle describes the damaged area in
terms of scanlines and pixels per scanline.
While at it, make the code more readable by using struct drm_rect
and related helpers.
The code was previously part of the deferred I/O helpers, but is
also useful for damage handling of regular write operations. Update
the deferred I/O code to use the new function.
v2:
* rename helper (Javier)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-4-tzimmermann@suse.de
Don't clip the damage rectangle against the viewport. This only
works if the viewport is located at the beginning of the video
memory and the video memory doesn't extend the screen (i.e., if
there's no overallocation).
Fbdev emulation transfers data from write operations into a
possible shadow buffer, then into a GEM buffer object, and finally
via graphics driver onto the screen.
If callers write outside the currently visible area, clipping the
damage rectangle against the viewport will loose these updates in
the shadow buffer and the fbdev's buffer object will contain stale
data. Panning the viewport to the stale area of the buffer will
display obsolete data.
Instead, mark all written areas as damaged, so that the damage
handler updates the buffer object from the shadow buffer for all
such areas. The graphics driver's later has the option of clipping
the damaged area against the viewport when updating the screen
from the buffer object.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-3-tzimmermann@suse.de
Computing the clip rectangle is prone to off-by-one errors when writes
happen near the end of a memory page. Point the end of the memory area
to the first trailing byte, so that (end - start) returns the area's
length.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209161617.3553-2-tzimmermann@suse.de
Replace acpi_bus_get_device() that is going to be dropped with
acpi_fetch_acpi_dev().
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/3173256.44csPzL39Z@kreacher
Signed-off-by: Vinod Koul <vkoul@kernel.org>
In rare cases, some devices seem to lose sync and never re-attach on
the bus. This seems to happen only when there are more than one device
per link, which suggests either an electrical issue, a race condition
or a state machine issue.
Add two dev_warn() messages to identify the sequence by which the
devices become UNATTACHED.
BugLink: https://github.com/thesofproject/linux/issues/3063
BugLink: https://github.com/thesofproject/linux/issues/3325
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220126011527.27930-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Merge tag 'audit-pr-20220209' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit fix from Paul Moore:
"Another audit fix, this time a single rather small but important fix
for an oops/page-fault caused by improperly accessing userspace
memory"
* tag 'audit-pr-20220209' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: don't deref the syscall args when checking the openat2 open_how::flags
The function tipc_mon_rcv() allows a node to receive and process
domain_record structs from peer nodes to track their views of the
network topology.
This patch verifies that the number of members in a received domain
record does not exceed the limit defined by MAX_MON_DOMAIN, something
that may otherwise lead to a stack overflow.
tipc_mon_rcv() is called from the function tipc_link_proto_rcv(), where
we are reading a 32 bit message data length field into a uint16. To
avert any risk of bit overflow, we add an extra sanity check for this in
that function. We cannot see that happen with the current code, but
future designers being unaware of this risk, may introduce it by
allowing delivery of very large (> 64k) sk buffers from the bearer
layer. This potential problem was identified by Eric Dumazet.
This fixes CVE-2022-0435
Reported-by: Samuel Page <samuel.page@appgate.com>
Reported-by: Eric Dumazet <edumazet@google.com>
Fixes: 35c55c9877 ("tipc: add neighbor monitoring framework")
Signed-off-by: Jon Maloy <jmaloy@redhat.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Reviewed-by: Samuel Page <samuel.page@appgate.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The clock structure for RZ/V2L is almost identical to the RZ/G2L SoC.
The only difference being that RZ/V2L has additional registers to
control clocks and resets for the DRP-AI block.
Reuse r9a07g044-cpg.c, as the clock IDs and reset IDs are the same
between RZ/G2L and RZ/V2L, and add a separate r9a07g054_cpg_info to take
care of the DRP-AI clocks/resets.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220205084006.7142-1-biju.das.jz@bp.renesas.com
Link: https://lore.kernel.org/r/20220209203411.22332-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Convert the audio complex on Samsung TM2 boards with Samsung Exynos SoC
to DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129122430.45694-5-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Convert the audio complex on Google Snow boards with Samsung Exynos SoC
to DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129122430.45694-4-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Convert the audio complex on SMDK5250 boards with Samsung Exynos SoC to
DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129122430.45694-3-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The Arndale audio complex might come with ALC5631 which is compatible
with RT5631. Document the compatible since it is used in Linux kernel
sources.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129122430.45694-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Convert the audio complex on Arndale boards with Samsung Exynos SoC to
DT schema format.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129122430.45694-1-krzysztof.kozlowski@canonical.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Remove the sysclk and sysclk_src checking in the function set_sysclk() to
prevent the PLL power off. It is not getting re-programmed during
subsequent runs after the first run (in BIAS_OFF stage).
Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20220210071900.17287-1-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add new machine driver to register sound card on sc7280 based targets and
do the required configuration for lpass cpu dai and external codecs
connected over MI2S and soundwire interfaces.
Add support for audio jack detection, soundwire init and MBHC.
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Link: https://lore.kernel.org/r/1644497415-25291-4-git-send-email-quic_srivasam@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Add macro for lpass DAI id's max limit to create static arrays
and for array boundary checks.
Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Link: https://lore.kernel.org/r/1644497415-25291-3-git-send-email-quic_srivasam@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org>
In commit da0363f7bf ("ASoC: qcom: Fix for DMA interrupt clear reg
overwriting") we changed regmap_write() to regmap_update_bits() so that
we can avoid overwriting bits that we didn't intend to modify.
Unfortunately this change breaks the case where a register is writable
but not readable, which is exactly how the HDMI irq clear register is
designed (grep around LPASS_HDMITX_APP_IRQCLEAR_REG to see how it's
write only). That's because regmap_update_bits() tries to read the
register from the hardware and if it isn't readable it looks in the
regmap cache to see what was written there last time to compare against
what we want to write there. Eventually, we're unable to modify this
register at all because the bits that we're trying to set are already
set in the cache.
This is doubly bad for the irq clear register because you have to write
the bit to clear an interrupt. Given the irq is level triggered, we see
an interrupt storm upon plugging in an HDMI cable and starting audio
playback. The irq storm is so great that performance degrades
significantly, leading to CPU soft lockups.
Fix it by using regmap_write_bits() so that we really do write the bits
in the clear register that we want to. This brings the number of irqs
handled by lpass_dma_interrupt_handler() down from ~150k/sec to ~10/sec.
Fixes: da0363f7bf ("ASoC: qcom: Fix for DMA interrupt clear reg overwriting")
Cc: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20220209232520.4017634-1-swboyd@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>
ca0106 driver code uses too generic names for its register definitions
such as PTR, DATA, IPR, etc, which may eventually conflict with other
code. This patch renames (some of) those register definitions with
CA0106_ prefix to avoid the conflicts.
Link: https://lore.kernel.org/r/20220210124227.11272-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
It seems that calling invalidate_kernel_vmap_range() is more correct
to be called before dma_sync_*(), judging from the other thread:
https://lore.kernel.org/all/20220111085958.GA22795@lst.de/
Although this won't matter much in practice, let's fix the call order
for consistency.
Fixes: a25684a956 ("ALSA: memalloc: Support for non-contiguous page allocation")
Reported-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220210123344.8756-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
dma_need_sync() checks each DMA address. Fix the incorrect usages
for non-contiguous and non-coherent page allocations.
Fortunately, there are no actual call sites that need manual syncs
yet.
Fixes: a25684a956 ("ALSA: memalloc: Support for non-contiguous page allocation")
Fixes: 73325f60e2 ("ALSA: memalloc: Support for non-coherent page allocation")
Cc: <stable@vger.kernel.org>
Reported-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Link: https://lore.kernel.org/r/20220210123344.8756-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The literals "big-endian" and "little-endian" may be potentially
occurred in other places. Dropping space allows linker to
merge them by using only a single copy.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220127181233.72910-2-andriy.shevchenko@linux.intel.com
The %p4cc specifier in some cases might get an unaligned pointer.
Due to this we need to make copy to local variable once to avoid
potential crashes on some architectures due to improper access.
Fixes: af612e43de ("lib/vsprintf: Add support for printing V4L2 and DRM fourccs")
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20220127181233.72910-1-andriy.shevchenko@linux.intel.com
For some reason we are selecting PRIO_HAS_PAGES when we don't have
mm.pages, and vice versa.
v2(Thomas):
- Add missing fixes tag
Fixes: 213d509277 ("drm/i915/ttm: Introduce a TTM i915 gem object backend")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220209111652.468762-1-matthew.auld@intel.com
* irq/parent_device:
: .
: Move irq_chip::parent_device to irq_domain::dev to track the
: PM state of the device implementing the irqchip.
: .
genirq: Kill irq_chip::parent_device
pinctrl: starfive: Move PM device over to irq domain
pinctrl: npcm: Fix broken references to chip->parent_device
gpio: tpmx86: Move PM device over to irq domain
gpio: rcar: Move PM device over to irq domain
gpio: omap: Move PM device over to irq domain
gpio: mt7621: Kill parent_device usage
irqchip/imx-intmux: Move PM device over to irq domain
irqchip/renesas-irqc: Move PM device over to irq domain
irqchip/renesas-intc-irqpin: Move PM device over to irq domain
irqchip/gic: Move PM device over to irq domain
genirq: Allow the PM device to originate from irq domain
Signed-off-by: Marc Zyngier <maz@kernel.org>
* irq/stm32mp13:
: .
: stm32-exit driver update from Alexandre Torgue:
:
: Enhance stm32-exti driver to support STM32MP13 SoC. This SoC uses the same
: hardware version than STM32MP15. Only EXTI line mapping is changed and
: following EXTI lines are supported: GPIO, RTC, I2C[1-5], UxART[1-8],
: USBH_EHCI, USBH_OHCI, USB_OTG, LPTIM[1-5], ETH[1-2].
: .
irqchip/stm32-exti: Add STM32MP13 support
dt-bindings: interrupt-controller: stm32-exti: document st,stm32mp13-exti
Signed-off-by: Marc Zyngier <maz@kernel.org>
Move the reference to the device over to the irq domain.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Emil Renner Berthing <kernel@esmil.dk>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220201120310.878267-12-maz@kernel.org
The npcm driver has a bunch of references to the irq_chip parent_device
field, but never sets it.
Fix it by fishing that reference from somewhere else, but it is
obvious that these debug statements were never used. Also remove
an unused field in a local data structure.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Bartosz Golaszewski <brgl@bgdev.pl>
Link: https://lore.kernel.org/r/20220201120310.878267-11-maz@kernel.org
Tony Nguyen says:
====================
100GbE Intel Wired LAN Driver Updates 2022-02-09
This series contains updates to ice driver only.
Brett adds support for QinQ. This begins with code refactoring and
re-organization of VLAN configuration functions to allow for
introduction of VSI VLAN ops to enable setting and calling of
respective operations based on device support of single or double
VLANs. Implementations are added for outer VLAN support.
To support QinQ, the device must be set to double VLAN mode (DVM).
In order for this to occur, the DDP package and NVM must also support
DVM. Functions to determine compatibility and properly configure the
device are added as well as setting the proper bits to advertise and
utilize the proper offloads. Support for VIRTCHNL_VF_OFFLOAD_VLAN_V2
is also included to allow for VF to negotiate and utilize this
functionality.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Booting tip-of-tree on msm8939 we find the following error caused by our
modelling of snoc and snoc_mm as peer devices with the same address space.
[ 1.212340] qnoc-msm8939 580000.interconnect_mm: can't request region for resource [mem 0x00580000-0x0059407f]
[ 1.212391] qnoc-msm8939 580000.interconnect_mm: Cannot ioremap interconnect bus resource
[ 1.221524] qnoc-msm8939: probe of 580000.interconnect_mm failed with error -16
Declaring snoc_mm as a child device of snoc mitigates the fault and is
consistent with a similar extant implementation in qcm2290.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Link: https://lore.kernel.org/r/20220129032735.2410936-3-bryan.odonoghue@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
snoc and snoc-mm in downstream use the same address space a mistake which
we have carried over into upstream. In silicon terms snoc-mm has been
tacked on to the original snoc which came from msm8916.
Convert to a better description where snoc-mm is a sub-node of snoc, thus
avoiding a mmio remap collision when using the RPM interconnect driver.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220129032735.2410936-2-bryan.odonoghue@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Xen allows the usage of some previously reserved bits in the IO-APIC
RTE and the MSI address fields in order to store high bits for the
target APIC ID. Such feature is already implemented by QEMU/KVM and
HyperV, so in order to enable it just add the handler that checks for
it's presence.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20220120152527.7524-3-roger.pau@citrix.com
Signed-off-by: Juergen Gross <jgross@suse.com>
The initial change would not work when Xen was booted from EFI: There is
an early exit from the case block in that case. Move the necessary code
ahead of that.
Fixes: 335e4dd67b ("xen/x86: obtain upper 32 bits of video frame buffer address for Dom0")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/2501ce9d-40e5-b49d-b0e5-435544d17d4a@suse.com
Signed-off-by: Juergen Gross <jgross@suse.com>
