Linux kernel documentation tree maintained by Jonathan Corbet http://mirrors.hust.edu.cn/git/lwn.git/atom?h=alabaster 2022-08-12T16:50:34+00:00 2022-08-12T16:50:34+00:00 Linus Torvalds torvalds@linux-foundation.org 2022-08-12T16:50:34+00:00 urn:sha1:7a53e17accce9d310d2e522dfc701d8da7ccfa65 Pull virtio updates from Michael Tsirkin: - A huge patchset supporting vq resize using the new vq reset capability - Features, fixes, and cleanups all over the place * tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (88 commits) vdpa/mlx5: Fix possible uninitialized return value vdpa_sim_blk: add support for discard and write-zeroes vdpa_sim_blk: add support for VIRTIO_BLK_T_FLUSH vdpa_sim_blk: make vdpasim_blk_check_range usable by other requests vdpa_sim_blk: check if sector is 0 for commands other than read or write vdpa_sim: Implement suspend vdpa op vhost-vdpa: uAPI to suspend the device vhost-vdpa: introduce SUSPEND backend feature bit vdpa: Add suspend operation virtio-blk: Avoid use-after-free on suspend/resume virtio_vdpa: support the arg sizes of find_vqs() vhost-vdpa: Call ida_simple_remove() when failed vDPA: fix 'cast to restricted le16' warnings in vdpa.c vDPA: !FEATURES_OK should not block querying device config space vDPA/ifcvf: support userspace to query features and MQ of a management device vDPA/ifcvf: get_config_size should return a value no greater than dev implementation vhost scsi: Allow user to control num virtqueues vhost-scsi: Fix max number of virtqueues vdpa/mlx5: Support different address spaces for control and data vdpa/mlx5: Implement susupend virtqueue callback ... 2022-08-11T08:06:40+00:00 Xuan Zhuo xuanzhuo@linux.alibaba.com 2022-08-01T06:38:53+00:00 urn:sha1:a10fba0377145fccefea4dc4dd5915b7ed87e546 find_vqs() adds a new parameter sizes to specify the size of each vq vring. NULL as sizes means that all queues in find_vqs() use the maximum size. A value in the array is 0, which means that the corresponding queue uses the maximum size. In the split scenario, the meaning of size is the largest size, because it may be limited by memory, the virtio core will try a smaller size. And the size is power of 2. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220801063902.129329-34-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> 2022-08-11T08:06:38+00:00 Xuan Zhuo xuanzhuo@linux.alibaba.com 2022-08-01T06:38:21+00:00 urn:sha1:da802961832f9852886304290135457519815497 virtio-net can display the maximum (supported by hardware) ring size in ethtool -g eth0. When the subsequent patch implements vring reset, it can judge whether the ring size passed by the driver is legal based on this. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Message-Id: <20220801063902.129329-2-xuanzhuo@linux.alibaba.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> 2022-08-05T01:19:14+00:00 Linus Torvalds torvalds@linux-foundation.org 2022-08-05T01:19:14+00:00 urn:sha1:5f0848190c6dd0f5b8a2aaf0f1d900a96d96bee0 Pull x86 platform driver updates from Hans de Goede: - Microsoft Surface: - SSAM hot unplug support - Surface Pro 8 keyboard cover support - Tablet mode switch support for Surface Pro 8 and Surface Laptop Studio - thinkpad_acpi: - AMD Automatice Mode Transitions (AMT) support - Mellanox: - Vulcan chassis COMe NVSwitch management support - XH3000 support - New generic/shared Intel P2SB (Primary to Sideband) support - Lots of small cleanups - Various small bugfixes - Various new hardware ids / quirks additions * tag 'platform-drivers-x86-v6.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (105 commits) platform/x86/intel/vsec: Fix wrong type for local status variables platform/x86: p2sb: Move out of X86_PLATFORM_DEVICES dependency platform/x86: pmc_atom: Fix comment typo platform/surface: gpe: Add support for 13" Intel version of Surface Laptop 4 platform/olpc: Fix uninitialized data in debugfs write platform/mellanox: mlxreg-lc: Fix error flow and extend verbosity platform/x86: pmc_atom: Match all Lex BayTrail boards with critclk_systems DMI table platform/x86: sony-laptop: Remove useless comparisons in sony_pic_read_possible_resource() tools/power/x86/intel-speed-select: Remove unneeded semicolon tools/power/x86/intel-speed-select: Fix off by one check platform/surface: tabletsw: Fix __le32 integer access Documentation/ABI: Add new attributes for mlxreg-io sysfs interfaces Documentation/ABI: mlxreg-io: Fix contact info platform/mellanox: mlxreg-io: Add locking for io operations platform/x86: mlx-platform: Add COME board revision register platform/x86: mlx-platform: Add support for new system XH3000 platform/x86: mlx-platform: Introduce support for COMe NVSwitch management module for Vulcan chassis platform/x86: mlx-platform: Add support for systems equipped with two ASICs platform/x86: mlx-platform: Add cosmetic changes for alignment platform/x86: mlx-platform: Make activation of some drivers conditional ... 2022-08-05T01:13:19+00:00 Linus Torvalds torvalds@linux-foundation.org 2022-08-05T01:13:19+00:00 urn:sha1:5bb3bf24b0aaa76253c77e437b88927a32a10c4e Pull chrome platform updates from Tzung-Bi Shih: "cros_ec_proto: - Leverage Kunit and add Kunit test cases - Clean-ups - Fix typo cros_ec_commands: - Fix typo - Fix compile errors cros_kbd_led_backlight: - Support OF match - Support EC PWM backend cros_ec: - Always expose the last resume result to fix sleep hang detection on ARM-based chromebooks wilco_ec: - Fix typo cros_ec_typec: - Clean-ups - Use Type-C framework utilities to manage altmode structs" * tag 'tag-chrome-platform-for-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (59 commits) platform/chrome: cros_kunit_util: add default value for `msg->result` platform/chrome: merge Kunit utils and test cases platform/chrome: cros_kbd_led_backlight: fix build warning platform/chrome: cros_ec_proto: add Kunit test for cros_ec_cmd() platform/chrome: cros_ec_proto: add Kunit tests for get_sensor_count platform/chrome: cros_ec_proto: add Kunit tests for check_features platform/chrome: cros_ec_proto: add Kunit tests for get_host_event platform/chrome: cros_ec_proto: add Kunit tests for get_next_event platform/chrome: cros_ec_proto: add Kunit test for cros_ec_map_error() platform/chrome: cros_ec_proto: add Kunit tests for cmd_xfer_status platform/chrome: cros_ec_proto: return -EPROTO if empty payload platform/chrome: cros_ec_proto: add Kunit test for empty payload platform/chrome: cros_ec_proto: return -EAGAIN when retries timed out platform/chrome: cros_ec_proto: change Kunit expectation when timed out platform/chrome: cros_ec_proto: separate cros_ec_wait_until_complete() platform/chrome: cros_ec_proto: separate cros_ec_xfer_command() platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_send_command() platform/chrome: cros_ec_proto: add Kunit tests for cros_ec_cmd_xfer() platform/chrome: cros_ec_proto: add "cros_ec_" prefix to send_command() platform/chrome: cros_ec_typec: Register port altmodes ... 2022-08-01T14:56:34+00:00 Hans de Goede hdegoede@redhat.com 2022-08-01T14:55:36+00:00 urn:sha1:3d46d78480757e6d403c3bc2b32d2b05ecbed543 The local status variables in intel_vsec_pci_error_detected() and intel_vsec_pci_slot_reset() should have pci_ers_result_t as type (and not pci_channel_state_t). Also fix a whitespace error as well as intel_vsec_pci_err_handlers not being marked static. This fixes the following sparse errors: drivers/platform/x86/intel/vsec.c:429:38: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted pci_channel_state_t [usertype] status @@ got restricted pci_ers_result_t @@ drivers/platform/x86/intel/vsec.c:429:38: sparse: expected restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:429:38: sparse: got restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:434:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_channel_state_t [usertype] status @@ got restricted pci_ers_result_t @@ drivers/platform/x86/intel/vsec.c:434:24: sparse: expected restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:434:24: sparse: got restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:438:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted pci_ers_result_t @@ got restricted pci_channel_state_t [usertype] status @@ drivers/platform/x86/intel/vsec.c:438:16: sparse: expected restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:438:16: sparse: got restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:444:38: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted pci_channel_state_t [usertype] status @@ got restricted pci_ers_result_t @@ drivers/platform/x86/intel/vsec.c:444:38: sparse: expected restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:444:38: sparse: got restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:457:16: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted pci_channel_state_t [usertype] status @@ got restricted pci_ers_result_t @@ drivers/platform/x86/intel/vsec.c:457:16: sparse: expected restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:457:16: sparse: got restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:472:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted pci_ers_result_t @@ got restricted pci_channel_state_t [usertype] status @@ drivers/platform/x86/intel/vsec.c:472:16: sparse: expected restricted pci_ers_result_t drivers/platform/x86/intel/vsec.c:472:16: sparse: got restricted pci_channel_state_t [usertype] status drivers/platform/x86/intel/vsec.c:480:33: sparse: sparse: symbol 'intel_vsec_pci_err_handlers' was not declared. Should it be static? Reported-by: kernel test robot <lkp@intel.com> Cc: Srinivas Pandruvada <srinivas.pandruvada@intel.com> Cc: David E Box <david.e.box@intel.com> Cc: Gayatri Kammela <gayatri.kammela@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20220801145536.172410-1-hdegoede@redhat.com 2022-08-01T14:26:38+00:00 Andy Shevchenko andriy.shevchenko@linux.intel.com 2022-07-18T14:53:28+00:00 urn:sha1:42d0d4232ac1620c38a73bd133bf9927c9bc3ac4 The P2SB library is used for various drivers, including server platforms. That's why the dependency on X86_PLATFORM_DEVICES seems superfluous. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Link: https://lore.kernel.org/r/20220718145328.14374-1-andriy.shevchenko@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com> 2022-08-01T14:21:31+00:00 Hans de Goede hdegoede@redhat.com 2022-08-01T14:21:31+00:00 urn:sha1:8906ced9a909158a3688dd90940a0a075ba32631 Immutable branch between MFD, EDAC, I2C, LEDs, PinCtrl, Platform and Watchdog due for the v5.20 merge window 2022-07-29T17:58:52+00:00 Rafael J. Wysocki rafael.j.wysocki@intel.com 2022-07-29T17:58:52+00:00 urn:sha1:d60b6b0bc00365ab338804213437785d269f777b Merge ACPI device object management changes for v5.20-rc1. - Use the facilities provided by the driver core and some additional helpers to handle the children of a given ACPI device object in multiple places instead of using the children and node list heads in struct acpi_device which is error prone (Rafael Wysocki). - Fix ACPI-related device reference counting issue in the hisi_lpc bus driver (Yang Yingliang). - Drop the children and node list heads that are not needed any more from struct acpi_device (Rafael Wysocki). - Drop driver member from struct acpi_device (Uwe Kleine-König). - Drop redundant check from acpi_device_remove() (Uwe Kleine-König). * acpi-bus: ACPI: bus: Drop unused list heads from struct acpi_device hisi_lpc: Use acpi_dev_for_each_child() bus: hisi_lpc: fix missing platform_device_put() in hisi_lpc_acpi_probe() ACPI: bus: Drop driver member of struct acpi_device ACPI: bus: Drop redundant check in acpi_device_remove() mfd: core: Use acpi_dev_for_each_child() ACPI / MMC: PM: Unify fixing up device power soundwire: Use acpi_dev_for_each_child() platform/x86/thinkpad_acpi: Use acpi_dev_for_each_child() ACPI: scan: Walk ACPI device's children using driver core ACPI: bus: Introduce acpi_dev_for_each_child_reverse() ACPI: video: Use acpi_dev_for_each_child() ACPI: bus: Export acpi_dev_for_each_child() to modules ACPI: property: Use acpi_dev_for_each_child() for child lookup ACPI: container: Use acpi_dev_for_each_child() USB: ACPI: Replace usb_acpi_find_port() with acpi_find_child_by_adr() thunderbolt: ACPI: Replace tb_acpi_find_port() with acpi_find_child_by_adr() ACPI: glue: Introduce acpi_find_child_by_adr() ACPI: glue: Introduce acpi_dev_has_children() ACPI: glue: Use acpi_dev_for_each_child() 2022-07-28T18:40:40+00:00 Maximilian Luz luzmaximilian@gmail.com 2022-07-21T12:11:20+00:00 urn:sha1:e6abe8ff8e0c4fa905567775f48e102005ae960b The 13" Intel version of the Surface Laptop 4 uses the same GPE as the Surface Laptop Studio for wakeups via the lid. Set it up accordingly. Signed-off-by: Maximilian Luz <luzmaximilian@gmail.com> Link: https://lore.kernel.org/r/20220721121120.2002430-1-luzmaximilian@gmail.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>