Add support for Steam Deck bios old properties. If a Steam deck didn't
upgrade the BIOS, the driver should be able to handle the previous
properties for shared boost types.
Mark Brown [Thu, 9 Mar 2023 14:26:52 +0000 (14:26 +0000)]
ASoC: SOF: Intel: hda: Introduce HDA DAI abstraction
Merge series from Peter Ujfalusi <peter.ujfalusi@linux.intel.com>:
This series introduces an abstraction of the HDA DAI handling.
The motivation is to simplify and make the code more flexible regarding to IPC
versions, new features (ChainDMA (IPC4) and DSPless mode) and to pave the way for new
platforms.
For the first look the series might feels a bit too intrusive but it introduces
no functionality change (tested at each commit).
The assigned timeslot masks are 64bit values.
In case of 64 timeslots the code uses (1 << 64) which is undefined on a
64bit value. On the PowerPC architecture, this lead to an incorrect
result as (1 << 64) produces the same result as (1 << 0).
Fix the masks values taking care of the 64 timeslots case.
ASoC: SOF: Intel: hda: Unify DAI drv ops for IPC3 and IPC4
Define the post_trigger DMA op for IPC3 and unify the DAI driver ops for
IPC3 and IPC4 for HDA DAI's.
Also, use the post_trigger op to stop the paused streams properly in the
hda_dai_suspend() function. This fixes the suspend while paused case for
IPC4 because previously we weren't resetting the pipeline when suspending
the system with some paused streams.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307140435.2808-13-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: Intel: hda-dai: Introduce DAI widget ops
Introduce a new ops structure for HDA DAI widget DMA ops and add a new
field to struct snd_sof_dai that will be used to set the ops pointer for
DAI widgets.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307140435.2808-8-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: Intel: hda-dai: Pass the CPU dai pointer
Pass the CPU DAI pointer from the ASoC core to hda_link_dma_hw_params() and
ipc3_hda_dai_trigger(). This will avoid looking up the CPU DAI pointer
multiple times.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307140435.2808-6-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: Intel: hda-dai: Modify the signature of hda_link_dma_cleanup()
Remove the trigger_suspend_stop argument from hda_link_dma_cleanup() and
move the call to snd_hdac_ext_stream_clear() into
snd_hdac_ext_stream_clear(). This is a preparatory step to unify the
trigger ops for IPC3 and IPC4.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307140435.2808-5-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: Intel: hda-dai: Remove BE DAI DRV ops for SSP DAI's
Now that the DAI_CONFIG IPC is sent after widget setup and before widget
free, there is no need for the BE DAI DRV ops that do the same thing. So
remove them.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307140435.2808-2-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Kai Vehmanen [Tue, 7 Mar 2023 11:08:46 +0000 (13:08 +0200)]
ASoC: SOF: ipc4-mtrace: process pending logs upon FW crash
If the DSP firmware has crashed, some log messages may be pending in the
mtrace buffer, but not consumed by the driver as no IPC notification has
been sent by the firmware. Check the buffer status for all mtrace slots
and ensure any pending log messages are processed before DSP is possibly
powered down and the log buffer contents is lost.
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307110846.2265-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Bard Liao [Tue, 7 Mar 2023 11:08:30 +0000 (13:08 +0200)]
ASoC: SOF: ipc4-topology: don't allocate blob if it will not be used
A copier blob will be only used when a copier is connected in the
topology. An ALH copier in playback direction that doesn't have any
source means the copier is not connected in the topology. Thus, we
don't need to allocate the blob.
The patch doesn't do the same test before freeing the blob because
the blob is null and it is fine to free null.
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307110830.2178-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Yong Zhi [Tue, 7 Mar 2023 09:52:51 +0000 (11:52 +0200)]
ASoC: SOF: Intel: mtl: Access MTL_HFPWRCTL from HDA_DSP_BAR
The Host Power Management/Clock Control (ULP) Registers in
the HDA BAR shadow the values of the same registers in the DSP BAR,
so let's modify the latter - as done already for other accesses.
Signed-off-by: Yong Zhi <yong.zhi@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230307095251.3058-1-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Peter Ujfalusi [Tue, 7 Mar 2023 12:35:55 +0000 (14:35 +0200)]
ASoC: SOF: ipc4-topology: Add support for core_id for pipelines
Token SOF_TKN_SCHED_CORE in topology file can specify the target core for
the pipeline, if it is missing it is going to be 0 (as it is right now).
Firmware will double-check all information retrieved by topology and
report errors if required. This will allow policy and changes in
topologies without a need for a synchronized kernel change.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20230307123556.31328-3-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Mark Brown [Mon, 6 Mar 2023 20:30:09 +0000 (20:30 +0000)]
Add CS35L41 shared boost feature
Merge series from Lucas Tanure <lucas.tanure@collabora.com>:
Valve's Steam Deck uses CS35L41 in shared boost mode, where both speakers
share the boost circuit.
Add this support in the shared lib, but for now, shared boost is not
supported in HDA systems as would require BIOS changes.
Based on David Rhodes shared boost patches.
Also, fix boost config overwriting in IRQ found in the review and do a
small refactor of the code.
soc-core.c is using dev_dbg(), but some of them are useless.
It indicates many dev_dbg() at snd_soc_runtime_get_dai_fmt(),
but all of them are just noise, almost no meanings.
dev_dbg() on soc_probe_link_dais() indicates dai link and its
loop order, but it is just noise, no information.
dev_dbg() on snd_soc_register_dai() is duplicated.
Mark Brown [Mon, 6 Mar 2023 13:29:46 +0000 (13:29 +0000)]
Add the PowerQUICC audio support using the QMC
Merge series from Herve Codina <herve.codina@bootlin.com>:
This series adds support for audio using the QMC controller available in
some Freescale PowerQUICC SoCs.
This series contains three parts in order to show the different blocks
hierarchy and their usage in this support.
The first one is related to TSA (Time Slot Assigner).
The TSA handles the data present at the pin level (TDM with up to 64
time slots) and dispatchs them to one or more serial controller (SCC).
The second is related to QMC (QUICC Multichannel Controller).
The QMC handles the data at the serial controller (SCC) level and splits
again the data to creates some virtual channels.
The last one is related to the audio component (QMC audio).
It is the glue between the QMC controller and the ASoC component. It
handles one or more QMC virtual channels and creates one DAI per QMC
virtual channels handled.
ASoC: dt-bindings: qcom,wcd9335: Convert to dtschema
Convert the Qualcomm WCD9335 audio codec binding to DT schema.
Changes against original binding:
1. Drop "mclk2" from clocks as neither Linux driver nor DTS uses it.
2. Do not require vdd-micbias-supply as several DTS do not provide it.
ASoC: SOF: ipc4-topology: Replace fake flexible arrays with flexible-array member
Zero-length arrays as fake flexible arrays are deprecated and we are
moving towards adopting C99 flexible-array members, instead.
Use the DECLARE_FLEX_ARRAY() helper macro to transform zero-length
arrays in unions with flexible-array members.
Address the following warnings found with GCC-13 and
-fstrict-flex-arrays=3 enabled:
sound/soc/sof/ipc4-control.c:176:77: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:78:29: warning: array subscript 0 is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:80:33: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:95:53: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:96:53: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:93:53: warning: array subscript 0 is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:140:58: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:141:29: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-control.c:142:29: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-topology.c:1475:36: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
sound/soc/sof/ipc4-topology.c:1476:36: warning: array subscript i is outside array bounds of ‘struct sof_ipc4_ctrl_value_chan[0]’ [-Warray-bounds=]
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].
Jacob Keller [Fri, 3 Mar 2023 18:04:57 +0000 (10:04 -0800)]
ASoC: Intel: avs: Use struct_size for struct avs_modcfg_ext size
The struct avs_modcfg_ext structure has a flexible array member for the
pin_fmts array, and the size should be calculated using struct_size to
prevent the potential for overflow with the allocation.
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com> Reviewed-by: "Amadeusz Sławiński" <amadeuszx.slawinski@linux.intel.com> Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Link: https://lore.kernel.org/r/20230303180457.2457069-1-jacob.e.keller@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Claudiu Beznea [Wed, 1 Mar 2023 11:38:02 +0000 (13:38 +0200)]
ASoC: mchp-spdiftx: update debug message
Previous debug message states that there was a failure and tx was not
disabled. Which is not true as the TX in this function could also be
enabled. Thus improve a bit the debug message by s/disable/start\/stop/.
Claudiu Beznea [Wed, 1 Mar 2023 11:38:01 +0000 (13:38 +0200)]
ASoC: mchp-spdiftx: use regmap_update_bits()
Use regmap_update_bits() instead of regmap_read(), running variable,
regmap_write(). There is no need for extra variables and checks around
it as regmap_update_bits() already does this. With this code becomes
simpler.
ASoC: SOF: Intel: hda: Do not re-enable L1 if disabled before suspend
We have a workaround in place to address a known issue with host DMA
running into xruns when capture streams are running. But when resuming
from Sx, we unconditionally re-enable DMI L1 without taking the
workaround into account and this could lead to xruns when a suspended
capture stream is restarted.
To fix this rename the flag l1_support_enabled to l1_disabled in struct
sof_intel_hda_dev to save the L1 disabled status which can be
set/cleared when we get/put a stream and use the flag to determine if DMI
L1 should enabled or not during the post_fw_run op.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20230220075804.4829-2-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Lucas Tanure [Fri, 17 Feb 2023 11:08:50 +0000 (11:08 +0000)]
ASoC: amd: vangogh: Add components prefix in structs and function names
Add prefixes 8821/35l41 in structs and function names so future platforms
can be added and reference the correct sound card.
Also include acp5x prefix to cs35l41_conf.
Lucas Tanure [Fri, 17 Feb 2023 11:08:49 +0000 (11:08 +0000)]
ASoC: amd: vangogh: Centralize strings definition
Replace occurrences of strings by their definition, avoiding
bugs where the string changed, but not all places have been modified.
While at it rename defines to use NAU8821 codec name instead of NUVOTON
and align with the other defines.
Lucas Tanure [Fri, 17 Feb 2023 11:08:43 +0000 (11:08 +0000)]
ASoC: amd: vangogh: Small code refactor
Small refactor of the code:
- sort includes in alphabetical order
- sort variables declarations by line length
- remove unnecessary "struct snd_soc_card *card" lines
- insert blank lines before return
- break/unbreak some lines for better read
- align defines
Herve Codina [Fri, 17 Feb 2023 14:56:43 +0000 (15:56 +0100)]
dt-bindings: sound: Add support for QMC audio
The QMC (QUICC mutichannel controller) is a controller
present in some PowerQUICC SoC such as MPC885.
The QMC audio is an ASoC component that uses the QMC
controller to transfer the audio data.
Signed-off-by: Herve Codina <herve.codina@bootlin.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu> Link: https://lore.kernel.org/r/20230217145645.1768659-9-herve.codina@bootlin.com Signed-off-by: Mark Brown <broonie@kernel.org>
Herve Codina [Fri, 17 Feb 2023 14:56:41 +0000 (15:56 +0100)]
soc: fsl: cpm1: Add support for QMC
The QMC (QUICC Multichannel Controller) emulates up to 64
channels within one serial controller using the same TDM
physical interface routed from the TSA.
It is available in some PowerQUICC SoC such as the
MPC885 or MPC866.
It is also available on some Quicc Engine SoCs.
This current version support CPM1 SoCs only and some
enhancement are needed to support Quicc Engine SoCs.
Herve Codina [Fri, 17 Feb 2023 14:56:39 +0000 (15:56 +0100)]
powerpc/8xx: Use a larger CPM1 command check mask
The CPM1 command mask is defined for use with the standard
CPM1 command register as described in the user's manual:
0 |1 3|4 7|8 11|12 14| 15|
RST| - |OPCODE|CH_NUM| - |FLG|
In the QMC extension the CPM1 command register is redefined
(QMC supplement user's manuel) with the following mapping:
0 |1 3|4 7|8 13|14| 15|
RST|QMC OPCODE| 1110|CHANNEL_NUMBER| -|FLG|
Extend the check command mask in order to support both the
standard CH_NUM field and the QMC extension CHANNEL_NUMBER
field.
Herve Codina [Fri, 17 Feb 2023 14:56:37 +0000 (15:56 +0100)]
soc: fsl: cpm1: Add support for TSA
The TSA (Time Slot Assigner) purpose is to route some
TDM time-slots to other internal serial controllers.
It is available in some PowerQUICC SoC such as the
MPC885 or MPC866.
It is also available on some Quicc Engine SoCs.
This current version support CPM1 SoCs only and some
enhancement are needed to support Quicc Engine SoCs.
Lad Prabhakar [Fri, 17 Feb 2023 18:52:23 +0000 (18:52 +0000)]
ASoC: sh: rz-ssi: Update interrupt handling for half duplex channels
For half duplex channels we dont have separate interrupts for Tx and Rx
instead we have single interrupt Rt (where the signal for Rx and Tx is
muxed). To handle such a case install a handler in case we have a dma_rt
interrupt specified in the DT for the PIO mode.
Note, for backward compatibility we check if the Rx and Tx interrupts
are present first instead of checking Rt interrupt.
Lad Prabhakar [Fri, 17 Feb 2023 18:52:22 +0000 (18:52 +0000)]
ASoC: dt-bindings: renesas,rz-ssi: Update interrupts and interrupt-names properties
From R01UH0914EJ0120 Rev.1.20 HW manual, for full duplex channels
(SSI0/1/3) dma_rt interrupt has now being marked as reserved and similarly
for half duplex channel (SSI2) dma_rx and dma_tx interrupts have now being
marked as reserved (this applies to RZ/G2L and alike SoC's). This patch
updates the binding doc to match the same.
Describe the properties used for shared boost configuration.
Based on David Rhodes shared boost patches.
Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: David Rhodes <david.rhodes@cirrus.com> Link: https://lore.kernel.org/r/20230223084324.9076-5-lucas.tanure@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org>
Lucas Tanure [Thu, 23 Feb 2023 08:43:23 +0000 (08:43 +0000)]
ALSA: cs35l41: Add shared boost feature
Shared boost allows two amplifiers to share a single boost circuit by
communicating on the MDSYNC bus.
The passive amplifier does not control the boost and receives data from
the active amplifier.
Shared Boost is not supported in HDA Systems.
Based on David Rhodes shared boost patches.
Lucas Tanure [Thu, 23 Feb 2023 08:43:21 +0000 (08:43 +0000)]
ASoC: cs35l41: Only disable internal boost
In error situations, only the internal boost case should be disabled and
re-enabled.
Also, for other boost cases re-enabling the boost to the default internal
boost config is incorrect.
Fixes: 6450ef559056 ("ASoC: cs35l41: CS35L41 Boosted Smart Amplifier") Signed-off-by: Lucas Tanure <lucas.tanure@collabora.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Reviewed-by: David Rhodes <david.rhodes@cirrus.com> Link: https://lore.kernel.org/r/20230223084324.9076-2-lucas.tanure@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org>
Commit aa47a7c215e7 ("lib/cpumask: deprecate nr_cpumask_bits") resulted
in the cpumask operations potentially becoming hugely less efficient,
because suddenly the cpumask was always considered to be variable-sized.
The optimization was then later added back in a limited form by commit 6f9c07be9d02 ("lib/cpumask: add FORCE_NR_CPUS config option"), but that
FORCE_NR_CPUS option is not useful in a generic kernel and more of a
special case for embedded situations with fixed hardware.
Instead, just re-introduce the optimization, with some changes.
Instead of depending on CPUMASK_OFFSTACK being false, and then always
using the full constant cpumask width, this introduces three different
cpumask "sizes":
- the exact size (nr_cpumask_bits) remains identical to nr_cpu_ids.
This is used for situations where we should use the exact size.
- the "small" size (small_cpumask_bits) is the NR_CPUS constant if it
fits in a single word and the bitmap operations thus end up able
to trigger the "small_const_nbits()" optimizations.
This is used for the operations that have optimized single-word
cases that get inlined, notably the bit find and scanning functions.
- the "large" size (large_cpumask_bits) is the NR_CPUS constant if it
is an sufficiently small constant that makes simple "copy" and
"clear" operations more efficient.
This is arbitrarily set at four words or less.
As a an example of this situation, without this fixed size optimization,
cpumask_clear() will generate code like
on x86-64, because it would calculate the "exact" number of longwords
that need to be cleared.
In contrast, with this patch, using a MAX_CPU of 64 (which is quite a
reasonable value to use), the above becomes a single
movq $0,cpumask
instruction instead, because instead of caring to figure out exactly how
many CPU's the system has, it just knows that the cpumask will be a
single word and can just clear it all.
Note that this does end up tightening the rules a bit from the original
version in another way: operations that set bits in the cpumask are now
limited to the actual nr_cpu_ids limit, whereas we used to do the
nr_cpumask_bits thing almost everywhere in the cpumask code.
But if you just clear bits, or scan for bits, we can use the simpler
compile-time constants.
In the process, remove 'cpumask_complement()' and 'for_each_cpu_not()'
which were not useful, and which fundamentally have to be limited to
'nr_cpu_ids'. Better remove them now than have somebody introduce use
of them later.
Of course, on x86-64 with MAXSMP there is no sane small compile-time
constant for the cpumask sizes, and we end up using the actual CPU bits,
and will generate the above kind of horrors regardless. Please don't
use MAXSMP unless you really expect to have machines with thousands of
cores.
Linus Torvalds [Sun, 5 Mar 2023 19:27:48 +0000 (11:27 -0800)]
Merge tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 updates from Thomas Gleixner:
"A small set of updates for x86:
- Return -EIO instead of success when the certificate buffer for SEV
guests is not large enough
- Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared
on return to userspace for performance reasons, but the leaves user
space vulnerable to cross-thread attacks which STIBP prevents.
Update the documentation accordingly"
* tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
virt/sev-guest: Return -EIO if certificate buffer is not large enough
Documentation/hw-vuln: Document the interaction between IBRS and STIBP
x86/speculation: Allow enabling STIBP with legacy IBRS
Linus Torvalds [Sun, 5 Mar 2023 19:19:16 +0000 (11:19 -0800)]
Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"A set of updates for the interrupt susbsystem:
- Prevent possible NULL pointer derefences in
irq_data_get_affinity_mask() and irq_domain_create_hierarchy()
- Take the per device MSI lock before invoking code which relies on
it being hold
- Make sure that MSI descriptors are unreferenced before freeing
them. This was overlooked when the platform MSI code was converted
to use core infrastructure and results in a fals positive warning
- Remove dead code in the MSI subsystem
- Clarify the documentation for pci_msix_free_irq()
- More kobj_type constification"
* tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/msi, platform-msi: Ensure that MSI descriptors are unreferenced
genirq/msi: Drop dead domain name assignment
irqdomain: Add missing NULL pointer check in irq_domain_create_hierarchy()
genirq/irqdesc: Make kobj_type structures constant
PCI/MSI: Clarify usage of pci_msix_free_irq()
genirq/msi: Take the per-device MSI lock before validating the control structure
genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask()
Linus Torvalds [Sun, 5 Mar 2023 19:07:58 +0000 (11:07 -0800)]
Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VM_FAULT_RETRY fixes from Al Viro:
"Some of the page fault handlers do not deal with the following case
correctly:
- handle_mm_fault() has returned VM_FAULT_RETRY
- there is a pending fatal signal
- fault had happened in kernel mode
Correct action in such case is not "return unconditionally" - fatal
signals are handled only upon return to userland and something like
copy_to_user() would end up retrying the faulting instruction and
triggering the same fault again and again.
What we need to do in such case is to make the caller to treat that as
failed uaccess attempt - handle exception if there is an exception
handler for faulting instruction or oops if there isn't one.
Over the years some architectures had been fixed and now are handling
that case properly; some still do not. This series should fix the
remaining ones.
Status:
- m68k, riscv, hexagon, parisc: tested/acked by maintainers.
- alpha, sparc32, sparc64: tested locally - bug has been reproduced
on the unpatched kernel and verified to be fixed by this series.
- ia64, microblaze, nios2, openrisc: build, but otherwise completely
untested"
* tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
openrisc: fix livelock in uaccess
nios2: fix livelock in uaccess
microblaze: fix livelock in uaccess
ia64: fix livelock in uaccess
sparc: fix livelock in uaccess
alpha: fix livelock in uaccess
parisc: fix livelock in uaccess
hexagon: fix livelock in uaccess
riscv: fix livelock in uaccess
m68k: fix livelock in uaccess
Masahiro Yamada [Sun, 16 Oct 2022 18:23:49 +0000 (03:23 +0900)]
Remove Intel compiler support
include/linux/compiler-intel.h had no update in the past 3 years.
We often forget about the third C compiler to build the kernel.
For example, commit a0a12c3ed057 ("asm goto: eradicate CC_HAS_ASM_GOTO")
only mentioned GCC and Clang.
init/Kconfig defines CC_IS_GCC and CC_IS_CLANG but not CC_IS_ICC,
and nobody has reported any issue.
I guess the Intel Compiler support is broken, and nobody is caring
about it.
Harald Arnesen pointed out ICC (classic Intel C/C++ compiler) is
deprecated:
$ icc -v
icc: remark #10441: The Intel(R) C++ Compiler Classic (ICC) is
deprecated and will be removed from product release in the second half
of 2023. The Intel(R) oneAPI DPC++/C++ Compiler (ICX) is the recommended
compiler moving forward. Please transition to use this compiler. Use
'-diag-disable=10441' to disable this message.
icc version 2021.7.0 (gcc version 12.1.0 compatibility)
Arnd Bergmann provided a link to the article, "Intel C/C++ compilers
complete adoption of LLVM".
lib/zstd/common/compiler.h and lib/zstd/compress/zstd_fast.c were kept
untouched for better sync with https://github.com/facebook/zstd
Linus Torvalds [Sat, 4 Mar 2023 22:48:29 +0000 (14:48 -0800)]
Merge tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"Some improvements/fixes for the newly added GXP driver and a Kconfig
dependency fix"
* tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: gxp: fix an error code in probe
i2c: gxp: return proper error on address NACK
i2c: gxp: remove "empty" switch statement
i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
projects / mirror_ubuntu-kernels.git / log