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2020-10-30Merge tag 'mmc-v5.10-2' of ↵Linus Torvalds3-2/+34
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC host fixes from Ulf Hansson: - sdhci: Fix performance regression with auto CMD auto select - sdhci-of-esdhc: Fix initialization for eMMC HS400 mode - sdhci-of-esdhc: Fix timeout bug for tuning commands * tag 'mmc-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: sdhci-of-esdhc: make sure delay chain locked for HS400 mmc: sdhci-of-esdhc: set timeout to max before tuning mmc: sdhci: Use Auto CMD Auto Select only when v4_mode is true
2020-10-30Merge tag 'drm-fixes-2020-10-30-1' of git://anongit.freedesktop.org/drm/drmLinus Torvalds45-210/+380
Pull drm fixes from Dave Airlie: "A busier rc2 than normal, have larger sets of fixes for amdgpu + nouveau, along with some i915, docs, core, panel, sun4i, v3d, vc4 fixes. Nothing spooky though or pumpkin related. docs: - kernel doc fixes core: - fix shmem helpers dma-buf mmap bug amdgpu: - Add new navi1x PCI ID - GPUVM reserved area fixes - Misc display fixes - Fix bad interactions between display code and CONFIG_KGDB - Fixes for SMU manual fan control and i2c nouveau: - endian regression fix for old gpus - buffer object refcount fix - uapi start/end alignment fix - display notifier fix - display clock checking fixes i915: - Fix max memory region size calculation - Restore ILK-M RPS support, restoring performance - Reject 90/270 degreerotated initial fbs panel: - mantix reset fixes sun4i: - scalar fix vc4: - hdmi audio fixes v3d: - fix double free" * tag 'drm-fixes-2020-10-30-1' of git://anongit.freedesktop.org/drm/drm: (42 commits) drm/nouveau/kms/nv50-: Fix clock checking algorithm in nv50_dp_mode_valid() drm/nouveau/kms/nv50-: Get rid of bogus nouveau_conn_mode_valid() drm/nouveau/device: fix changing endianess code to work on older GPUs drm/nouveau/gem: fix "refcount_t: underflow; use-after-free" drm/nouveau/kms/nv50-: Program notifier offset before requesting disp caps drm/nouveau/nouveau: fix the start/end range for migration drm/i915: Reject 90/270 degree rotated initial fbs drm/i915: Restore ILK-M RPS support drm/i915/region: fix max size calculation drm/vc4: Rework the structure conversion functions drm/vc4: hdmi: Add a name to the codec DAI component drm/shme-helpers: Fix dma_buf_mmap forwarding bug drm/vc4: hdmi: Avoid sleeping in atomic context drm/amdgpu/pm: fix the fan speed in fan1_input in manual mode for navi1x drm/amd/pm: fix the wrong fan speed in fan1_input drm/amdgpu/swsmu: drop smu i2c bus on navi1x drm/vc4: drv: Add error handding for bind drm: drm_print.h: fix kernel-doc markups drm: kernel-doc: drm_dp_helper.h: fix a typo drm: kernel-doc: add description for a new function parameter ...
2020-10-30KVM: x86: Fix NULL dereference at kvm_msr_ignored_check()Takashi Iwai1-4/+4
The newly introduced kvm_msr_ignored_check() tries to print error or debug messages via vcpu_*() macros, but those may cause Oops when NULL vcpu is passed for KVM_GET_MSRS ioctl. Fix it by replacing the print calls with kvm_*() macros. (Note that this will leave vcpu argument completely unused in the function, but I didn't touch it to make the fix as small as possible. A clean up may be applied later.) Fixes: 12bc2132b15e ("KVM: X86: Do the same ignore_msrs check for feature msrs") BugLink: https://bugzilla.suse.com/show_bug.cgi?id=1178280 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Message-Id: <20201030151414.20165-1-tiwai@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-30KVM: x86: replace static const variables with macrosPaolo Bonzini3-21/+21
Even though the compiler is able to replace static const variables with their value, it will warn about them being unused when Linux is built with W=1. Use good old macros instead, this is not C++. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-30Merge tag 'kvmarm-fixes-5.10-1' of ↵Paolo Bonzini11-37/+96
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 fixes for 5.10, take #1 - Force PTE mapping on device pages provided via VFIO - Fix detection of cacheable mapping at S2 - Fallback to PMD/PTE mappings for composite huge pages - Fix accounting of Stage-2 PGD allocation - Fix AArch32 handling of some of the debug registers - Simplify host HYP entry - Fix stray pointer conversion on nVHE TLB invalidation - Fix initialization of the nVHE code - Simplify handling of capabilities exposed to HYP - Nuke VCPUs caught using a forbidden AArch32 EL0
2020-10-30lockdep: Fix nr_unused_locks accountingPeter Zijlstra1-10/+4
Chris reported that commit 24d5a3bffef1 ("lockdep: Fix usage_traceoverflow") breaks the nr_unused_locks validation code triggered by /proc/lockdep_stats. By fully splitting LOCK_USED and LOCK_USED_READ it becomes a bad indicator for accounting nr_unused_locks; simplyfy by using any first bit. Fixes: 24d5a3bffef1 ("lockdep: Fix usage_traceoverflow") Reported-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://lkml.kernel.org/r/20201027124834.GL2628@hirez.programming.kicks-ass.net
2020-10-30locking/lockdep: Remove more raw_cpu_read() usagePeter Zijlstra1-1/+1
I initially thought raw_cpu_read() was OK, since if it is !0 we have IRQs disabled and can't get migrated, so if we get migrated both CPUs must have 0 and it doesn't matter which 0 we read. And while that is true; it isn't the whole store, on pretty much all architectures (except x86) this can result in computing the address for one CPU, getting migrated, the old CPU continuing execution with another task (possibly setting recursion) and then the new CPU reading the value of the old CPU, which is no longer 0. Similer to: baffd723e44d ("lockdep: Revert "lockdep: Use raw_cpu_*() for per-cpu variables"") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20201026152256.GB2651@hirez.programming.kicks-ass.net
2020-10-30KVM: arm64: Handle Asymmetric AArch32 systemsQais Yousef1-0/+19
On a system without uniform support for AArch32 at EL0, it is possible for the guest to force run AArch32 at EL0 and potentially cause an illegal exception if running on a core without AArch32. Add an extra check so that if we catch the guest doing that, then we prevent it from running again by resetting vcpu->arch.target and return ARM_EXCEPTION_IL. We try to catch this misbehaviour as early as possible and not rely on an illegal exception occuring to signal the problem. Attempting to run a 32bit app in the guest will produce an error from QEMU if the guest exits while running in AArch32 EL0. Tested on Juno by instrumenting the host to fake asym aarch32 and instrumenting KVM to make the asymmetry visible to the guest. [will: Incorporated feedback from Marc] Signed-off-by: Qais Yousef <qais.yousef@arm.com> Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Marc Zyngier <maz@kernel.org> Cc: James Morse <james.morse@arm.com> Cc: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20201021104611.2744565-2-qais.yousef@arm.com Link: https://lore.kernel.org/r/20201027215118.27003-2-will@kernel.org
2020-10-30Merge branches 'acpi-button' and 'acpi-dock'Rafael J. Wysocki2-14/+2
* acpi-button: ACPI: button: Drop no longer necessary Acer SW5-012 lid_init_state quirk * acpi-dock: ACPI: dock: fix enum-conversion warning
2020-10-30Merge branches 'pm-cpuidle' and 'pm-sleep'Rafael J. Wysocki2-2/+2
* pm-cpuidle: intel_idle: Fix max_cstate for processor models without C-state tables * pm-sleep: PM: sleep: fix typo in kernel/power/process.c
2020-10-30blk-mq: mark flush request as IDLE in flush_end_io()Ming Lei1-0/+1
Mark flush request as IDLE in its .end_io(), aligning it with how normal requests behave. The flush request stays in in-flight tags if we're not using an IO scheduler, so we need to change its state into IDLE. Otherwise, we will hang in blk_mq_tagset_wait_completed_request() during error recovery because flush the request state is kept as COMPLETED. Reported-by: Yi Zhang <yi.zhang@redhat.com> Signed-off-by: Ming Lei <ming.lei@redhat.com> Tested-by: Yi Zhang <yi.zhang@redhat.com> Cc: Chao Leng <lengchao@huawei.com> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-10-30Merge tag 'icc-5.10-rc2' of ↵Greg Kroah-Hartman6-13/+25
https://git.linaro.org/people/georgi.djakov/linux into char-misc-linus Georgi writes: interconnect fixes for v5.10 This contains one core fix and a few driver fixes. - Fix the core to perform also aggregation when setting the initial bandwidth with sync_state. - Fixes in some drivers to make sure the correct sequence is used for initialization when we use sync_state. - Fix in the sdm845 driver to prevent a board hang that was hit when bandwidth scaling for display and multimedia was enabled. Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> * tag 'icc-5.10-rc2' of https://git.linaro.org/people/georgi.djakov/linux: interconnect: qcom: use icc_sync state for sm8[12]50 interconnect: qcom: Ensure that the floor bandwidth value is enforced interconnect: qcom: sc7180: Init BCMs before creating the nodes interconnect: qcom: sdm845: Init BCMs before creating the nodes interconnect: Aggregate before setting initial bandwidth interconnect: qcom: sdm845: Enable keepalive for the MM1 BCM
2020-10-30scripts: get_abi.pl: assume ReST format by defaultMauro Carvalho Chehab1-1/+1
All ABI files are now compatible with ReST format. So, change the script default to assume that the ABI source files are compatible with ReST. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4b0af257010570e0e917d82498e42992bec5e173.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-class-led-trigger-pattern: remove hw_pattern duplicationMauro Carvalho Chehab6-159/+170
The ABI files are supposed to be unique. Yet, in the specific case of hw_pattern, there are some duplicated entries as warned by scripts/get_abi.pl: Warning: /sys/class/leds/<led>/hw_pattern is defined 3 times: Documentation/ABI/testing/sysfs-class-led-trigger-pattern:14 Documentation/ABI/testing/sysfs-class-led-driver-sc27xx:0 Documentation/ABI/testing/sysfs-class-led-driver-el15203000:0 Drop the duplication from the ABI files, moving the specific definitions to files inside Documentation/leds. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/038e57881550550b298e598f8f9b7f20515cbe15.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-class-backlight: unify ABI documentationMauro Carvalho Chehab3-46/+65
Both adp8860 and adp8870 define some extensions to the backlight class. This causes warnings: Warning: /sys/class/backlight/<backlight>/ambient_light_level is defined 2 times: /sys/class/backlight/<backlight>/ambient_light_level:8 /sys/class/backlight/<backlight>/ambient_light_level:30 Warning: /sys/class/backlight/<backlight>/ambient_light_zone is defined 2 times: /sys/class/backlight/<backlight>/ambient_light_zone:18 /sys/class/backlight/<backlight>/ambient_light_zone:40 As ABI definitions shouldn't be duplicated. Unfortunately, the ABI is dependent on the specific device features. As such, ambient_light_level range is somewhat different among the supported devices. The ambient_light_zone is even worse: the meanings of each preset are different, and there's no ABI to retrieve the supported types nor their meanins. Unfortunately, it is too late to fix it without causing regressions, as this has been used since Kernel v2.6.35. Rewrite those ABI documentation using the current documentation as a reference, and double-checking at the datasheets: https://www.analog.com/media/en/technical-documentation/data-sheets/ADP8870.pdf https://www.analog.com/media/en/technical-documentation/data-sheets/ADP8860.pdf in order to properly document the differences between those two drivers. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/342195ad5a819d9bcfcebc133c77ab69b4211672.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-c2port: remove a duplicated entryMauro Carvalho Chehab1-7/+0
As warned by scripts/get_abi.pl: Warning: /sys/class/c2port/c2portX/flash_erase is defined 2 times: Documentation/ABI/testing/sysfs-c2port:60 Documentation/ABI/testing/sysfs-c2port:68 This entry was added twice at the same patch. Probalby a cut-and paste issue. Fixes: 4e17e1db9647 ("Add c2 port support") Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4ea2b31ddc76161fbae004f2f2ed91dfb757703f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-class-power: unify duplicated propertiesMauro Carvalho Chehab1-263/+223
The ABI is not supposed to have duplicated entries, as warned by get_abi.pl: $ ./scripts/get_abi.pl validate 2>&1|grep sysfs-class-power Warning: /sys/class/power_supply/<supply_name>/current_avg is defined 2 times: Documentation/ABI/testing/sysfs-class-power:108 Documentation/ABI/testing/sysfs-class-power:391 Warning: /sys/class/power_supply/<supply_name>/current_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:121 Documentation/ABI/testing/sysfs-class-power:404 Warning: /sys/class/power_supply/<supply_name>/current_now is defined 2 times: Documentation/ABI/testing/sysfs-class-power:130 Documentation/ABI/testing/sysfs-class-power:414 Warning: /sys/class/power_supply/<supply_name>/temp is defined 2 times: Documentation/ABI/testing/sysfs-class-power:281 Documentation/ABI/testing/sysfs-class-power:493 Warning: /sys/class/power_supply/<supply_name>/temp_alert_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:291 Documentation/ABI/testing/sysfs-class-power:505 Warning: /sys/class/power_supply/<supply_name>/temp_alert_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:306 Documentation/ABI/testing/sysfs-class-power:521 Warning: /sys/class/power_supply/<supply_name>/temp_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:322 Documentation/ABI/testing/sysfs-class-power:537 Warning: /sys/class/power_supply/<supply_name>/temp_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:333 Documentation/ABI/testing/sysfs-class-power:547 Warning: /sys/class/power_supply/<supply_name>/voltage_max is defined 2 times: Documentation/ABI/testing/sysfs-class-power:356 Documentation/ABI/testing/sysfs-class-power:571 Warning: /sys/class/power_supply/<supply_name>/voltage_min is defined 2 times: Documentation/ABI/testing/sysfs-class-power:367 Documentation/ABI/testing/sysfs-class-power:581 Warning: /sys/class/power_supply/<supply_name>/voltage_now is defined 2 times: Documentation/ABI/testing/sysfs-class-power:378 Documentation/ABI/testing/sysfs-class-power:591 Yet, both USB and Battery share a common set of charging-related properties. Unify the entries for such properties in order to avoid duplication, while preserving the battery and USB-specific data properly documented. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/bcdf5f76326ea48a990a7cac612af216c387537d.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: unify /sys/class/leds/<led>/brightness documentationMauro Carvalho Chehab2-20/+28
This ABI is defined twice, one for normal leds and another one for multicolor ones. Ensure that just one definition is there at ABI. Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/1115022e7f172b19ee8610f2ad28cc2f0ca93592.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: stable: remove a duplicated documentationMauro Carvalho Chehab1-7/+0
Perhaps due to a wrong cut-and-paste, this entry: What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu was added twice by the same patch, one following the other. Remove the duplication. Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info") Acked-by: Wei Liu <wei.liu@kernel.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/091e8de5543c280ceb47edcb3ab6d0e9f3fa085b.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: change read/write attributesMauro Carvalho Chehab10-108/+109
Unfortunately, (R) and (W) are valid markups for enumerated lists, as described at: https://docutils.sourceforge.io/docs/ref/rst/restructuredtext.html#enumerated-lists So, we ned to replace them by: (R) -> (Read) (W) -> (Write) As otherwise, (R) will be displayed as R., with is not what it is desired. There's no need to touch (RO) and (RW). Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6e81ad8064f3ed4f8dc265086fdf1c618043f935.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: cleanup several ABI documentsMauro Carvalho Chehab126-771/+1327
There are some ABI documents that, while they don't generate any warnings, they have issues when parsed by get_abi.pl script on its output result. Address them, in order to provide a clean output. Reviewed-by: Tom Rix <trix@redhat.com> # for fpga-manager Reviewed-By: Kajol Jain<kjain@linux.ibm.com> # for sysfs-bus-event_source-devices-hv_gpci and sysfs-bus-event_source-devices-hv_24x7 Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO Acked-by: Oded Gabbay <oded.gabbay@gmail.com> # for Habanalabs Acked-by: Vaibhav Jain <vaibhav@linux.ibm.com> # for sysfs-bus-papr-pmem Acked-by: Cezary Rojewski <cezary.rojewski@intel.com> # for catpt Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Ilya Dryomov <idryomov@gmail.com> # for rbd Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5bc78e5b68ed1e9e39135173857cb2e753be868f.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-bus-nvdimm: use the right format for ABIMauro Carvalho Chehab1-0/+6
This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Dan. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9ec379cbf6dcf65ce3039c3671baf7bcaea532f4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: vdso: use the right format for ABIMauro Carvalho Chehab1-0/+6
This ABI is not following the format described at ABI/README. Use it, filling in the blanks with the git log that added it, and using the current e-mail from Andy. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/28c7cf3a71e15fb7499b70ec8f38c2efaaf4add2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: fix syntax to be parsed using ReST notationMauro Carvalho Chehab17-161/+271
There are a number of new changes at the ABI files that cause them to produce warnings when generating ABI output. Fix them. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/55a89f423cf122982c462d257722e44d6ece4b36.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: convert testing/configfs-acpi to ReSTMauro Carvalho Chehab1-9/+25
There are some problems with this file when a ReST content is produced. Fix it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f56daf94b80f1051438e8c787ba04552adb66e67.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: Kconfig/Makefile: add a check for broken ABI filesMauro Carvalho Chehab4-3/+28
The files under Documentation/ABI should follow the syntax as defined at Documentation/ABI/README. Allow checking if they're following the syntax by running the ABI parser script on COMPILE_TEST. With that, when there's a problem with a file under Documentation/ABI, it would produce a warning like: Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#14: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_cor' doesn't have a description Warning: file ./Documentation/ABI/testing/sysfs-bus-pci-devices-aer_stats#21: What '/sys/bus/pci/devices/<dev>/aer_stats/aer_rootport_total_err_fatal' doesn't have a description Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/57a38de85cb4b548857207cf1fc1bf1ee08613c9.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: abi-testing.rst: enable --rst-sources when building docsMauro Carvalho Chehab1-0/+1
Now that ABI/testing documents were fixed, add --rst-sources to the ABI/testing too. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9242473fd3df785565bb6084b1b814cc15074fb2.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: don't escape ReST-incompatible chars from obsolete and removedMauro Carvalho Chehab3-0/+4
With just a single fix, the contents there can be parsed properly without the need to escape any ReST incompatible stuff. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/472f4574b6aa2ff4de5a819db1a4a5c9a34f5168.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: create a 2-depth index for ABIMauro Carvalho Chehab1-1/+1
That helps to identify what ABI files are adding titles. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/e267b36ae7f32bab2a86f1da6b40bb3e62c877d4.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: make it parse ABI/stable as ReST-compatible filesMauro Carvalho Chehab2-2/+7
Now that the stable ABI files are compatible with ReST, parse them without converting complex descriptions as literal blocks nor escaping special characters. Please notice that escaping special characters will probably be needed at descriptions, at least for the asterisk character. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/59ccbaa75ff05f23e701dd9a0bbe118e9343a553.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: sysfs-uevent: make it compatible with ReST outputMauro Carvalho Chehab1-12/+16
- Replace " by ``, in order to use monospaced fonts; - mark literal blocks as such. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/63904cc9b6a8581c5fc2ea1dca5d925874c67372.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: testing: make the files compatible with ReST outputMauro Carvalho Chehab74-879/+1336
Some files over there won't parse well by Sphinx. Fix them. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: stable: make files ReST compatibleMauro Carvalho Chehab16-103/+179
Several entries at the stable ABI files won't parse if we pass them directly to the ReST output. Adjust them, in order to allow adding their contents as-is at the stable ABI book. Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/467a0dfbcdf00db710a629d3fe4a2563750339d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: ABI: README: specify that files should be ReST compatibleMauro Carvalho Chehab1-1/+9
As we plan to remove the escaping code from the scripts/get_abi.pl, specify at the ABI README file that the content of the file should be ReST compatible. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/178a997070debd1953ba7d302c375948501d6193.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: add ABI documentation to the admin-guide bookMauro Carvalho Chehab7-1/+61
As we don't want a generic Sphinx extension to execute commands, change the one proposed to Markus to call the abi_book.pl script. Use a script to parse the Documentation/ABI directory and output it at the admin-guide. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5651482b06500e69a1acdf92152f90a203e6521d.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: Handle with a lazy Sphinx parserMauro Carvalho Chehab1-13/+26
The Sphinx docutils parser is lazy: if the content is bigger than a certain number of lines, it silenlty stops parsing it, producing an incomplete content. This seems to be worse on newer Sphinx versions, like 2.0. So, change the logic to parse the contents per input file. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4659b60795739308e34d2d00c57ee0742a9cd2ab.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: use --enable-lineno for get_abi.plMauro Carvalho Chehab1-4/+14
Just like kernel-doc extension, we need to be able to identify what part of an imported document has issues, as reporting them as: get_abi.pl rest --dir $srctree/Documentation/ABI/obsolete --rst-source:1689: ERROR: Unexpected indentation. Makes a lot harder for someone to fix. It should be noticed that it the line which will be reported is the line where the "What:" definition is, and not the line with actually has an error. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d6155ab16fb7631f2fa8e7a770eae72f24bf7cc5.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: make it compatible with Sphinx 1.7+Mauro Carvalho Chehab1-12/+27
The same way kerneldoc.py needed changes to work with newer Sphinx, this script needs the same changes. While here, reorganize the include order to match kerneldoc.py. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/f2b25caef5db7738629773a03463908d3b39b83a.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: fix UTF-8 supportMauro Carvalho Chehab1-12/+7
The parser breaks with UTF-8 characters with Sphinx 1.4. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9e7c8e3b0efaa1ae0536da6493ab438bd3f9fe58.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernel_abi.py: add a script to parse ABI documentationMauro Carvalho Chehab1-0/+157
The ABI documentation is special: it is not plain text files, but, instead, files with an strict format, as specified by Documentation/ABI/README. Add a parser for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/48abf1a410237e63f85354a8cd7027fdf25657bf.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30docs: kernellog.py: add support for info()Mauro Carvalho Chehab1-1/+5
An extension may want to just inform about something. So, add support for it. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/0ddebd8677605d789d53433c8a5344c68da82a73.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: auto-generate cross referencesMauro Carvalho Chehab1-0/+31
There are several cross-references that can be automatically generated: - References to .rst files inside Documentation/ - References to other ABI files; - References to ABI symbols at /sys/*. Add a logic to automatically parse them and convert into cross references. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/abe756d4f94fb6ffcc3dd3902a766c7c3990ea89.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: use bold font for ABI definitionsMauro Carvalho Chehab1-0/+1
As we're using tables, let's distinguish the ones used by ABI by using a bold font. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/9ed645c2519169817379c1df5b8cf03828e92520.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: prevent duplicated file namesMauro Carvalho Chehab1-5/+10
The same filename may exist on multiple directories within ABI. Create separate entries at the internal database for each of them. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/ef760f68f54e132c4be52f0027189b4ba31554ec.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: output users in ReST formatMauro Carvalho Chehab1-0/+8
Right now, the script only outputs Users on search. Print it also in ReST format. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/83def2a692c4c678f21ee6e76b66a54d2be1e796.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: detect duplicated ABI definitionsMauro Carvalho Chehab1-27/+58
The ABI should define only once each What. The current script logic assumes that. However, that's not the case, currently: there are several symbols with a generic definition, and per-driver ones. Better handle such cases, by preserving the cross-references with the files that define them, but also track such cases, producing warnings, as they should be fixed. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d7a73b8b3aae5b2bff9279996ff9ca4cdfc89196.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: cleanup ABI cross-reference logicMauro Carvalho Chehab1-64/+83
Right now, the cross-references are generated on a single step, when doing ReST output. While this is nice optimization, it prevents auto-creating cross-references for ABI symbols. So, split it into a separate logic. While here, turn on Perl warnings, as it helps to debug problems inside the script. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/dbc97c8c2dfd877921f058134c35b2a8b1f8414b.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: improve its parser to better catch up indentationMauro Carvalho Chehab1-23/+19
The original parser for indentation were relying on having just one description for each "what". However, that's not the case: there are a number of ABI symbols that got defined multiple times. Improve the parser for it to better handle descriptions if entries are duplicated. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/eb458bb30be0e5a89192d6057b2e8a7e910dbcb8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: Allow optionally record from where a line came fromMauro Carvalho Chehab1-1/+21
The get_abi.pl reads a lot of files and can join them on a single output file. Store where each "What:" output came from, in order to be able to optionally display it. This is useful for the Sphinx extension, with can now be able to blame what ABI file has issues, and on what line the What: description with problems begin. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/befc387011c5e3c6febd285b7f27610e41c90260.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-30scripts: get_abi.pl: fix parsing on ReST modeMauro Carvalho Chehab1-16/+14
When the source ABI file is using ReST notation, the script should handle whitespaces and lines with care, as otherwise the file won't be properly recognized. Address the bugs that are on such part of the script. Acked-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/5c22c54fbd0cda797b691d52c568be6d0d1079d8.1604042072.git.mchehab+huawei@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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