From c29b97725c91add5021a3257c14ad1ed32eedf76 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Thu, 2 Mar 2023 18:12:12 +0200 Subject: ACPI: docs: enumeration: Correct reference to the I²C device data type MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I²C peripheral devices that are connected to the controller are represented in the Linux kernel as objects of the struct i2c_client. Fix this in the documentation. Signed-off-by: Andy Shevchenko Signed-off-by: Rafael J. Wysocki --- Documentation/firmware-guide/acpi/enumeration.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/firmware-guide/acpi/enumeration.rst b/Documentation/firmware-guide/acpi/enumeration.rst index b9dc0c603f36..56d9913a3370 100644 --- a/Documentation/firmware-guide/acpi/enumeration.rst +++ b/Documentation/firmware-guide/acpi/enumeration.rst @@ -19,7 +19,7 @@ possible we decided to do following: platform devices. - Devices behind real busses where there is a connector resource - are represented as struct spi_device or struct i2c_device. Note + are represented as struct spi_device or struct i2c_client. Note that standard UARTs are not busses so there is no struct uart_device, although some of them may be represented by struct serdev_device. -- cgit v1.2.3 From 5d89176af1ae201c01c10a89b68b27cfc683b76c Mon Sep 17 00:00:00 2001 From: Song Shuai Date: Mon, 27 Feb 2023 18:59:41 +0800 Subject: sched/doc: supplement CPU capacity with RISC-V This commit 7d2078310cbf ("dt-bindings: arm: move cpu-capacity to a shared loation") updates some references about capacity-dmips-mhz property in this document. The list of architectures using capacity-dmips-mhz omits RISC-V, so supplements it here. Signed-off-by: Song Shuai Reviewed-by: Palmer Dabbelt # English Acked-by: Palmer Dabbelt Reviewed-by: Alex Shi Reviewed-by: Conor Dooley Link: https://lore.kernel.org/r/20230227105941.2749193-1-suagrfillet@gmail.com Signed-off-by: Jonathan Corbet --- Documentation/scheduler/sched-capacity.rst | 2 +- Documentation/translations/zh_CN/scheduler/sched-capacity.rst | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'Documentation') diff --git a/Documentation/scheduler/sched-capacity.rst b/Documentation/scheduler/sched-capacity.rst index 8e2b8538bc2b..e2c1cf743158 100644 --- a/Documentation/scheduler/sched-capacity.rst +++ b/Documentation/scheduler/sched-capacity.rst @@ -258,7 +258,7 @@ Linux cannot currently figure out CPU capacity on its own, this information thus needs to be handed to it. Architectures must define arch_scale_cpu_capacity() for that purpose. -The arm and arm64 architectures directly map this to the arch_topology driver +The arm, arm64, and RISC-V architectures directly map this to the arch_topology driver CPU scaling data, which is derived from the capacity-dmips-mhz CPU binding; see Documentation/devicetree/bindings/cpu/cpu-capacity.txt. diff --git a/Documentation/translations/zh_CN/scheduler/sched-capacity.rst b/Documentation/translations/zh_CN/scheduler/sched-capacity.rst index e07ffdd391d3..8cba135dcd1a 100644 --- a/Documentation/translations/zh_CN/scheduler/sched-capacity.rst +++ b/Documentation/translations/zh_CN/scheduler/sched-capacity.rst @@ -231,7 +231,7 @@ CFS调度类基于实体负载跟踪机制（Per-Entity Load Tracking, PELT） 当前，Linux无法凭自身算出CPU算力，因此必须要有把这个信息传递给Linux的方式。每个架构必须为此 定义arch_scale_cpu_capacity()函数。 -arm和arm64架构直接把这个信息映射到arch_topology驱动的CPU scaling数据中（译注：参考 +arm、arm64和RISC-V架构直接把这个信息映射到arch_topology驱动的CPU scaling数据中（译注：参考 arch_topology.h的percpu变量cpu_scale），它是从capacity-dmips-mhz CPU binding中衍生计算 出来的。参见Documentation/devicetree/bindings/cpu/cpu-capacity.txt。 -- cgit v1.2.3 From 74596085796fae0cfce3e42ee46bf4f8acbdac55 Mon Sep 17 00:00:00 2001 From: Glenn Washburn Date: Mon, 27 Feb 2023 12:40:42 -0600 Subject: docs: Correct missing "d_" prefix for dentry_operations member d_weak_revalidate The details for struct dentry_operations member d_weak_revalidate is missing a "d_" prefix. Fixes: af96c1e304f7 ("docs: filesystems: vfs: Convert vfs.txt to RST") Signed-off-by: Glenn Washburn Reviewed-by: Matthew Wilcox (Oracle) Link: https://lore.kernel.org/r/20230227184042.2375235-1-development@efficientek.com Signed-off-by: Jonathan Corbet --- Documentation/filesystems/vfs.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/vfs.rst b/Documentation/filesystems/vfs.rst index c53f30251a66..f3b344f0c0a4 100644 --- a/Documentation/filesystems/vfs.rst +++ b/Documentation/filesystems/vfs.rst @@ -1222,7 +1222,7 @@ defined: return -ECHILD and it will be called again in ref-walk mode. -``_weak_revalidate`` +``d_weak_revalidate`` called when the VFS needs to revalidate a "jumped" dentry. This is called when a path-walk ends at dentry that was not acquired by doing a lookup in the parent directory. This includes "/", -- cgit v1.2.3 From 38484a1d0c50596c8080a00c269466f60fa4a051 Mon Sep 17 00:00:00 2001 From: Miguel Ojeda Date: Mon, 6 Mar 2023 20:17:11 +0100 Subject: docs: programming-language: remove mention of the Intel compiler The Intel compiler support has been removed in commit 95207db8166a ("Remove Intel compiler support"). Thus remove its mention in the Documentation too. Signed-off-by: Miguel Ojeda Reviewed-by: Vincenzo Palazzo Reviewed-by: Nick Desaulniers Link: https://lore.kernel.org/r/20230306191712.230658-1-ojeda@kernel.org Signed-off-by: Jonathan Corbet --- Documentation/process/programming-language.rst | 5 ----- 1 file changed, 5 deletions(-) (limited to 'Documentation') diff --git a/Documentation/process/programming-language.rst b/Documentation/process/programming-language.rst index 5fc9160ca1fa..10dc772671d8 100644 --- a/Documentation/process/programming-language.rst +++ b/Documentation/process/programming-language.rst @@ -12,10 +12,6 @@ under ``-std=gnu11`` [gcc-c-dialect-options]_: the GNU dialect of ISO C11. This dialect contains many extensions to the language [gnu-extensions]_, and many of them are used within the kernel as a matter of course. -There is some support for compiling the kernel with ``icc`` [icc]_ for several -of the architectures, although at the time of writing it is not completed, -requiring third-party patches. - Attributes ---------- @@ -38,7 +34,6 @@ Please refer to ``include/linux/compiler_attributes.h`` for more information. .. [c-language] http://www.open-std.org/jtc1/sc22/wg14/www/standards .. [gcc] https://gcc.gnu.org .. [clang] https://clang.llvm.org -.. [icc] https://software.intel.com/en-us/c-compilers .. [gcc-c-dialect-options] https://gcc.gnu.org/onlinedocs/gcc/C-Dialect-Options.html .. [gnu-extensions] https://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html .. [gcc-attribute-syntax] https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html -- cgit v1.2.3 From 0b02076f995332fe1e457da29dd61c3b66c862f7 Mon Sep 17 00:00:00 2001 From: Miguel Ojeda Date: Mon, 6 Mar 2023 20:17:12 +0100 Subject: docs: programming-language: add Rust programming language section Following the C text in the file, add a mention about the Rust programming language, the currently supported compiler and the edition used (similar to the "dialect" mention for C). Similarly, add a mention about the unstable features used (similar to the "extensions" mentions for C). In addition, add some links to complement the information. Signed-off-by: Miguel Ojeda Link: https://lore.kernel.org/r/20230306191712.230658-2-ojeda@kernel.org Signed-off-by: Jonathan Corbet --- Documentation/process/programming-language.rst | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/process/programming-language.rst b/Documentation/process/programming-language.rst index 10dc772671d8..bc56dee6d0bc 100644 --- a/Documentation/process/programming-language.rst +++ b/Documentation/process/programming-language.rst @@ -31,6 +31,20 @@ in order to feature detect which ones can be used and/or to shorten the code. Please refer to ``include/linux/compiler_attributes.h`` for more information. +Rust +---- + +The kernel has experimental support for the Rust programming language +[rust-language]_ under ``CONFIG_RUST``. It is compiled with ``rustc`` [rustc]_ +under ``--edition=2021`` [rust-editions]_. Editions are a way to introduce +small changes to the language that are not backwards compatible. + +On top of that, some unstable features [rust-unstable-features]_ are used in +the kernel. Unstable features may change in the future, thus it is an important +goal to reach a point where only stable features are used. + +Please refer to Documentation/rust/index.rst for more information. + .. [c-language] http://www.open-std.org/jtc1/sc22/wg14/www/standards .. [gcc] https://gcc.gnu.org .. [clang] https://clang.llvm.org @@ -38,4 +52,7 @@ Please refer to ``include/linux/compiler_attributes.h`` for more information. .. [gnu-extensions] https://gcc.gnu.org/onlinedocs/gcc/C-Extensions.html .. [gcc-attribute-syntax] https://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html .. [n2049] http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2049.pdf - +.. [rust-language] https://www.rust-lang.org +.. [rustc] https://doc.rust-lang.org/rustc/ +.. [rust-editions] https://doc.rust-lang.org/edition-guide/editions/ +.. [rust-unstable-features] https://github.com/Rust-for-Linux/linux/issues/2 -- cgit v1.2.3 From a414684e3b735a4114c19295a07e8cb2eb889dae Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Tue, 28 Feb 2023 14:46:57 +0100 Subject: docs: rebasing-and-merging: Drop wrong statement about git MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The "^0" syntax is no longer needed to fast-forward to a mainline commit; take that out and add --ff-only to force an error if fast-forward is not possible. Signed-off-by: Uwe Kleine-König [jc: rewrote changelog] Link: https://lore.kernel.org/r/20230228134657.1797871-1-u.kleine-koenig@pengutronix.de Signed-off-by: Jonathan Corbet --- Documentation/maintainer/rebasing-and-merging.rst | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'Documentation') diff --git a/Documentation/maintainer/rebasing-and-merging.rst b/Documentation/maintainer/rebasing-and-merging.rst index 09f988e7fa71..85800ce95ae5 100644 --- a/Documentation/maintainer/rebasing-and-merging.rst +++ b/Documentation/maintainer/rebasing-and-merging.rst @@ -213,11 +213,7 @@ point rather than some random spot. If your upstream-bound branch has emptied entirely into the mainline during the merge window, you can pull it forward with a command like:: - git merge v5.2-rc1^0 - -The "^0" will cause Git to do a fast-forward merge (which should be -possible in this situation), thus avoiding the addition of a spurious merge -commit. + git merge --ff-only v5.2-rc1 The guidelines laid out above are just that: guidelines. There will always be situations that call out for a different solution, and these guidelines -- cgit v1.2.3 From 3b80a03d455143cc9135dac86722bbdd079daff3 Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (IBM)" Date: Fri, 24 Feb 2023 12:03:05 +0200 Subject: docs/mm: Physical Memory: fix a reference to a file that doesn't exist kbuild reports: >> Warning: Documentation/mm/physical_memory.rst references a file that doesn't exist: Documentation/admin-guide/mm/memory_hotplug.rst Fix the filename to be 'Documentation/admin-guide/mm/memory-hotplug.rst'. Reported-by: kernel test robot Link: https://lore.kernel.org/oe-kbuild-all/202302231311.567PAoS2-lkp@intel.com/ Fixes: 353c7dd636ed ("docs/mm: Physical Memory: remove useless markup") Signed-off-by: Mike Rapoport (IBM) Link: https://lore.kernel.org/r/20230224100306.2287696-1-rppt@kernel.org Signed-off-by: Jonathan Corbet --- Documentation/mm/physical_memory.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/mm/physical_memory.rst b/Documentation/mm/physical_memory.rst index f9d7ea4b9dca..1bc888d36ea1 100644 --- a/Documentation/mm/physical_memory.rst +++ b/Documentation/mm/physical_memory.rst @@ -66,7 +66,7 @@ one of the types described below. also populated on boot using one of ``kernelcore``, ``movablecore`` and ``movable_node`` kernel command line parameters. See Documentation/mm/page_migration.rst and - Documentation/admin-guide/mm/memory_hotplug.rst for additional details. + Documentation/admin-guide/mm/memory-hotplug.rst for additional details. * ``ZONE_DEVICE`` represents memory residing on devices such as PMEM and GPU. It has different characteristics than RAM zone types and it exists to provide -- cgit v1.2.3 From 87eae260995577d203a70d72d46976521a5687e1 Mon Sep 17 00:00:00 2001 From: "Mike Rapoport (IBM)" Date: Fri, 24 Feb 2023 12:03:06 +0200 Subject: docs/mm: hugetlbfs_reserv: fix a reference to a file that doesn't exist kbuild reports: >> Warning: Documentation/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst >> Warning: Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst references a file that doesn't exist: Documentation/mm/hugetlbpage.rst Fix the filename to be 'Documentation/admin-guide/mm/hugetlbpage.rst'. Reported-by: kernel test robot Link: https://lore.kernel.org/oe-kbuild-all/202302231854.sKlCmx9K-lkp@intel.com/ Fixes: ee86588960e2 ("docs/mm: remove useless markup") Signed-off-by: Mike Rapoport (IBM) Link: https://lore.kernel.org/r/20230224100306.2287696-2-rppt@kernel.org Signed-off-by: Jonathan Corbet --- Documentation/mm/hugetlbfs_reserv.rst | 8 ++++---- Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst | 3 ++- 2 files changed, 6 insertions(+), 5 deletions(-) (limited to 'Documentation') diff --git a/Documentation/mm/hugetlbfs_reserv.rst b/Documentation/mm/hugetlbfs_reserv.rst index 3d05d64de9b4..d9c2b0f01dcd 100644 --- a/Documentation/mm/hugetlbfs_reserv.rst +++ b/Documentation/mm/hugetlbfs_reserv.rst @@ -5,10 +5,10 @@ Hugetlbfs Reservation Overview ======== -Huge pages as described at Documentation/mm/hugetlbpage.rst are typically -preallocated for application use. These huge pages are instantiated in a -task's address space at page fault time if the VMA indicates huge pages are -to be used. If no huge page exists at page fault time, the task is sent +Huge pages as described at Documentation/admin-guide/mm/hugetlbpage.rst are +typically preallocated for application use. These huge pages are instantiated +in a task's address space at page fault time if the VMA indicates huge pages +are to be used. If no huge page exists at page fault time, the task is sent a SIGBUS and often dies an unhappy death. Shortly after huge page support was added, it was determined that it would be better to detect a shortage of huge pages at mmap() time. The idea is that if there were not enough diff --git a/Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst b/Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst index c1fa35315d8b..b7a0544224ad 100644 --- a/Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst +++ b/Documentation/translations/zh_CN/mm/hugetlbfs_reserv.rst @@ -15,7 +15,8 @@ Hugetlbfs 预留 概述 ==== -Documentation/mm/hugetlbpage.rst 中描述的巨页通常是预先分配给应用程序使用的。如果VMA指 +Documentation/admin-guide/mm/hugetlbpage.rst +中描述的巨页通常是预先分配给应用程序使用的 。如果VMA指 示要使用巨页，这些巨页会在缺页异常时被实例化到任务的地址空间。如果在缺页异常 时没有巨页存在，任务就会被发送一个SIGBUS，并经常不高兴地死去。在加入巨页支 持后不久，人们决定，在mmap()时检测巨页的短缺情况会更好。这个想法是，如果 -- cgit v1.2.3 From e33062213ff2f9151e0d125e1c00f524c2b7acfe Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Fri, 3 Mar 2023 10:43:23 +0200 Subject: docs: sysfs-block: document hidden sysfs entry /sys/block//hidden is undocumented. Document it. Signed-off-by: Sagi Grimberg Reviewed-by: Chaitanya Kulkarni Link: https://lore.kernel.org/r/20230303084323.228098-1-sagi@grimberg.me Signed-off-by: Jens Axboe --- Documentation/ABI/stable/sysfs-block | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'Documentation') diff --git a/Documentation/ABI/stable/sysfs-block b/Documentation/ABI/stable/sysfs-block index ac1e519272aa..282de3680367 100644 --- a/Documentation/ABI/stable/sysfs-block +++ b/Documentation/ABI/stable/sysfs-block @@ -705,6 +705,15 @@ Description: zoned will report "none". +What: /sys/block//hidden +Date: March 2023 +Contact: linux-block@vger.kernel.org +Description: + [RO] the block device is hidden. it doesn’t produce events, and + can’t be opened from userspace or using blkdev_get*. + Used for the underlying components of multipath devices. + + What: /sys/block//stat Date: February 2008 Contact: Jerome Marchand -- cgit v1.2.3 From b7eef407e5271f5135ce97bfd6e2e5009922331e Mon Sep 17 00:00:00 2001 From: Wu Bo Date: Wed, 22 Feb 2023 09:35:24 +0800 Subject: docs: ext4: modify the group desc size to 64 Since the default ext4 group desc size is 64 now (assuming that the 64-bit feature is enbled). And the size mentioned in this doc is 64 too. Change it to 64. Signed-off-by: Wu Bo Acked-by: Darrick J. Wong Link: https://lore.kernel.org/r/20230222013525.14748-1-bo.wu@vivo.com Signed-off-by: Theodore Ts'o --- Documentation/filesystems/ext4/blockgroup.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/ext4/blockgroup.rst b/Documentation/filesystems/ext4/blockgroup.rst index 46d78f860623..ed5a5cac6d40 100644 --- a/Documentation/filesystems/ext4/blockgroup.rst +++ b/Documentation/filesystems/ext4/blockgroup.rst @@ -105,9 +105,9 @@ descriptors. Instead, the superblock and a single block group descriptor block is placed at the beginning of the first, second, and last block groups in a meta-block group. A meta-block group is a collection of block groups which can be described by a single block group descriptor -block. Since the size of the block group descriptor structure is 32 -bytes, a meta-block group contains 32 block groups for filesystems with -a 1KB block size, and 128 block groups for filesystems with a 4KB +block. Since the size of the block group descriptor structure is 64 +bytes, a meta-block group contains 16 block groups for filesystems with +a 1KB block size, and 64 block groups for filesystems with a 4KB blocksize. Filesystems can either be created using this new block group descriptor layout, or existing filesystems can be resized on-line, and the field s_first_meta_bg in the superblock will indicate the first -- cgit v1.2.3 From f85949f98206b3b11d92d695cea4efda6a81f00e Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Thu, 9 Mar 2023 13:25:27 +0100 Subject: xdp: add xdp_set_features_flag utility routine Introduce xdp_set_features_flag utility routine in order to update dynamically xdp_features according to the dynamic hw configuration via ethtool (e.g. changing number of hw rx/tx queues). Add xdp_clear_features_flag() in order to clear all xdp_feature flag. Reviewed-by: Shay Agroskin Signed-off-by: Lorenzo Bianconi Signed-off-by: Jakub Kicinski --- Documentation/netlink/specs/netdev.yaml | 1 + include/net/xdp.h | 11 +++++++++++ include/uapi/linux/netdev.h | 2 ++ net/core/xdp.c | 26 +++++++++++++++++++------- tools/include/uapi/linux/netdev.h | 2 ++ 5 files changed, 35 insertions(+), 7 deletions(-) (limited to 'Documentation') diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index 24de747b5344..753e5914a8b7 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -9,6 +9,7 @@ definitions: - type: flags name: xdp-act + render-max: true entries: - name: basic diff --git a/include/net/xdp.h b/include/net/xdp.h index d517bfac937b..41c57b8b1671 100644 --- a/include/net/xdp.h +++ b/include/net/xdp.h @@ -428,12 +428,18 @@ MAX_XDP_METADATA_KFUNC, #ifdef CONFIG_NET u32 bpf_xdp_metadata_kfunc_id(int id); bool bpf_dev_bound_kfunc_id(u32 btf_id); +void xdp_set_features_flag(struct net_device *dev, xdp_features_t val); void xdp_features_set_redirect_target(struct net_device *dev, bool support_sg); void xdp_features_clear_redirect_target(struct net_device *dev); #else static inline u32 bpf_xdp_metadata_kfunc_id(int id) { return 0; } static inline bool bpf_dev_bound_kfunc_id(u32 btf_id) { return false; } +static inline void +xdp_set_features_flag(struct net_device *dev, xdp_features_t val) +{ +} + static inline void xdp_features_set_redirect_target(struct net_device *dev, bool support_sg) { @@ -445,4 +451,9 @@ xdp_features_clear_redirect_target(struct net_device *dev) } #endif +static inline void xdp_clear_features_flag(struct net_device *dev) +{ + xdp_set_features_flag(dev, 0); +} + #endif /* __LINUX_NET_XDP_H__ */ diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index 8c4e3e536c04..ed134fbdfd32 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -33,6 +33,8 @@ enum netdev_xdp_act { NETDEV_XDP_ACT_HW_OFFLOAD = 16, NETDEV_XDP_ACT_RX_SG = 32, NETDEV_XDP_ACT_NDO_XMIT_SG = 64, + + NETDEV_XDP_ACT_MASK = 127, }; enum { diff --git a/net/core/xdp.c b/net/core/xdp.c index 8c92fc553317..87e654b7d06c 100644 --- a/net/core/xdp.c +++ b/net/core/xdp.c @@ -774,20 +774,32 @@ static int __init xdp_metadata_init(void) } late_initcall(xdp_metadata_init); -void xdp_features_set_redirect_target(struct net_device *dev, bool support_sg) +void xdp_set_features_flag(struct net_device *dev, xdp_features_t val) { - dev->xdp_features |= NETDEV_XDP_ACT_NDO_XMIT; - if (support_sg) - dev->xdp_features |= NETDEV_XDP_ACT_NDO_XMIT_SG; + val &= NETDEV_XDP_ACT_MASK; + if (dev->xdp_features == val) + return; + dev->xdp_features = val; call_netdevice_notifiers(NETDEV_XDP_FEAT_CHANGE, dev); } +EXPORT_SYMBOL_GPL(xdp_set_features_flag); + +void xdp_features_set_redirect_target(struct net_device *dev, bool support_sg) +{ + xdp_features_t val = (dev->xdp_features | NETDEV_XDP_ACT_NDO_XMIT); + + if (support_sg) + val |= NETDEV_XDP_ACT_NDO_XMIT_SG; + xdp_set_features_flag(dev, val); +} EXPORT_SYMBOL_GPL(xdp_features_set_redirect_target); void xdp_features_clear_redirect_target(struct net_device *dev) { - dev->xdp_features &= ~(NETDEV_XDP_ACT_NDO_XMIT | - NETDEV_XDP_ACT_NDO_XMIT_SG); - call_netdevice_notifiers(NETDEV_XDP_FEAT_CHANGE, dev); + xdp_features_t val = dev->xdp_features; + + val &= ~(NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_NDO_XMIT_SG); + xdp_set_features_flag(dev, val); } EXPORT_SYMBOL_GPL(xdp_features_clear_redirect_target); diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h index 8c4e3e536c04..ed134fbdfd32 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -33,6 +33,8 @@ enum netdev_xdp_act { NETDEV_XDP_ACT_HW_OFFLOAD = 16, NETDEV_XDP_ACT_RX_SG = 32, NETDEV_XDP_ACT_NDO_XMIT_SG = 64, + + NETDEV_XDP_ACT_MASK = 127, }; enum { -- cgit v1.2.3 From 42da2c00b91486980a724c05c29818a7e60a067e Mon Sep 17 00:00:00 2001 From: Xujun Leng Date: Sun, 12 Mar 2023 15:14:23 +0800 Subject: docs: process: typo fix In the second paragraph of section "Respond to review comments", there is a spelling mistake: "aganst" should be "against". Signed-off-by: Xujun Leng Link: https://lore.kernel.org/r/20230312071423.3042-1-lengxujun2007@126.com Signed-off-by: Jonathan Corbet --- Documentation/process/submitting-patches.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst index eac7167dce83..69ce64e03c70 100644 --- a/Documentation/process/submitting-patches.rst +++ b/Documentation/process/submitting-patches.rst @@ -320,7 +320,7 @@ for their time. Code review is a tiring and time-consuming process, and reviewers sometimes get grumpy. Even in that case, though, respond politely and address the problems they have pointed out. When sending a next version, add a ``patch changelog`` to the cover letter or to individual patches -explaining difference aganst previous submission (see +explaining difference against previous submission (see :ref:`the_canonical_patch_format`). See Documentation/process/email-clients.rst for recommendations on email -- cgit v1.2.3 From d7ba3657d5162bd551e5c653f67f941c94a7dc0a Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Fri, 10 Mar 2023 10:58:57 +0100 Subject: docs: vfio: fix header path The text points to a different header file, fix by changing the path to "uapi". Signed-off-by: Jiri Pirko Reviewed-by: Yi Liu Link: https://lore.kernel.org/r/20230310095857.985814-1-jiri@resnulli.us Signed-off-by: Jonathan Corbet --- Documentation/driver-api/vfio.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/driver-api/vfio.rst b/Documentation/driver-api/vfio.rst index 50b690f7f663..68abc089d6dd 100644 --- a/Documentation/driver-api/vfio.rst +++ b/Documentation/driver-api/vfio.rst @@ -242,7 +242,7 @@ group and can access them as follows:: VFIO User API ------------------------------------------------------------------------------- -Please see include/linux/vfio.h for complete API documentation. +Please see include/uapi/linux/vfio.h for complete API documentation. VFIO bus driver API ------------------------------------------------------------------------------- -- cgit v1.2.3 From 4e16b6a748df52800c90f3ab181aef8129bd332f Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Wed, 15 Mar 2023 16:03:50 -0700 Subject: ynl: broaden the license even more I relicensed Netlink spec code to GPL-2.0 OR BSD-3-Clause but we still put a slightly different license on the uAPI header than the rest of the code. Use the Linux-syscall-note on all the specs and all generated code. It's moot for kernel code, but should not hurt. This way the licenses match everywhere. Cc: Chuck Lever Fixes: 37d9df224d1e ("ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause") Reviewed-by: Chuck Lever Signed-off-by: Jakub Kicinski --- Documentation/netlink/genetlink-c.yaml | 2 +- Documentation/netlink/genetlink-legacy.yaml | 2 +- Documentation/netlink/genetlink.yaml | 2 +- Documentation/netlink/specs/ethtool.yaml | 2 +- Documentation/netlink/specs/fou.yaml | 2 +- Documentation/netlink/specs/netdev.yaml | 2 +- Documentation/userspace-api/netlink/specs.rst | 3 ++- include/uapi/linux/fou.h | 2 +- include/uapi/linux/netdev.h | 2 +- net/core/netdev-genl-gen.c | 2 +- net/core/netdev-genl-gen.h | 2 +- net/ipv4/fou_nl.c | 2 +- net/ipv4/fou_nl.h | 2 +- tools/include/uapi/linux/netdev.h | 2 +- tools/net/ynl/ynl-gen-c.py | 8 ++++---- 15 files changed, 19 insertions(+), 18 deletions(-) (limited to 'Documentation') diff --git a/Documentation/netlink/genetlink-c.yaml b/Documentation/netlink/genetlink-c.yaml index f082a5ad7cf1..5c3642b3f802 100644 --- a/Documentation/netlink/genetlink-c.yaml +++ b/Documentation/netlink/genetlink-c.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-c.yaml# diff --git a/Documentation/netlink/genetlink-legacy.yaml b/Documentation/netlink/genetlink-legacy.yaml index c6b8c77f7d12..5e98c6d2b9aa 100644 --- a/Documentation/netlink/genetlink-legacy.yaml +++ b/Documentation/netlink/genetlink-legacy.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml# diff --git a/Documentation/netlink/genetlink.yaml b/Documentation/netlink/genetlink.yaml index b2d56ab9e615..d35dcd6f8d82 100644 --- a/Documentation/netlink/genetlink.yaml +++ b/Documentation/netlink/genetlink.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) %YAML 1.2 --- $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml# diff --git a/Documentation/netlink/specs/ethtool.yaml b/Documentation/netlink/specs/ethtool.yaml index 18ecb7d90cbe..4727c067e2ba 100644 --- a/Documentation/netlink/specs/ethtool.yaml +++ b/Documentation/netlink/specs/ethtool.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) name: ethtool diff --git a/Documentation/netlink/specs/fou.yaml b/Documentation/netlink/specs/fou.yaml index cff104288723..3e13826a3fdf 100644 --- a/Documentation/netlink/specs/fou.yaml +++ b/Documentation/netlink/specs/fou.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) name: fou diff --git a/Documentation/netlink/specs/netdev.yaml b/Documentation/netlink/specs/netdev.yaml index 753e5914a8b7..b99e7ffef7a1 100644 --- a/Documentation/netlink/specs/netdev.yaml +++ b/Documentation/netlink/specs/netdev.yaml @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) name: netdev diff --git a/Documentation/userspace-api/netlink/specs.rst b/Documentation/userspace-api/netlink/specs.rst index 2122e0c4a399..a22442ba1d30 100644 --- a/Documentation/userspace-api/netlink/specs.rst +++ b/Documentation/userspace-api/netlink/specs.rst @@ -24,7 +24,8 @@ YAML specifications can be found under ``Documentation/netlink/specs/`` This document describes details of the schema. See :doc:`intro-specs` for a practical starting guide. -All specs must be licensed under ``GPL-2.0-only OR BSD-3-Clause`` +All specs must be licensed under +``((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)`` to allow for easy adoption in user space code. Compatibility levels diff --git a/include/uapi/linux/fou.h b/include/uapi/linux/fou.h index 5041c3598493..b5cd3e7b3775 100644 --- a/include/uapi/linux/fou.h +++ b/include/uapi/linux/fou.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/fou.yaml */ /* YNL-GEN uapi header */ diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h index ed134fbdfd32..639524b59930 100644 --- a/include/uapi/linux/netdev.h +++ b/include/uapi/linux/netdev.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/netdev.yaml */ /* YNL-GEN uapi header */ diff --git a/net/core/netdev-genl-gen.c b/net/core/netdev-genl-gen.c index 9e10802587fc..3abab70d66dd 100644 --- a/net/core/netdev-genl-gen.c +++ b/net/core/netdev-genl-gen.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/netdev.yaml */ /* YNL-GEN kernel source */ diff --git a/net/core/netdev-genl-gen.h b/net/core/netdev-genl-gen.h index 2c5fc7d1e8a7..74d74fc23167 100644 --- a/net/core/netdev-genl-gen.h +++ b/net/core/netdev-genl-gen.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/netdev.yaml */ /* YNL-GEN kernel header */ diff --git a/net/ipv4/fou_nl.c b/net/ipv4/fou_nl.c index 5c14fe030eda..6c37c4f98cca 100644 --- a/net/ipv4/fou_nl.c +++ b/net/ipv4/fou_nl.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/fou.yaml */ /* YNL-GEN kernel source */ diff --git a/net/ipv4/fou_nl.h b/net/ipv4/fou_nl.h index 58b1e1ed4b3b..dbd0780a5d34 100644 --- a/net/ipv4/fou_nl.h +++ b/net/ipv4/fou_nl.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/fou.yaml */ /* YNL-GEN kernel header */ diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h index ed134fbdfd32..639524b59930 100644 --- a/tools/include/uapi/linux/netdev.h +++ b/tools/include/uapi/linux/netdev.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */ /* Do not edit directly, auto-generated from: */ /* Documentation/netlink/specs/netdev.yaml */ /* YNL-GEN uapi header */ diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py index d47376f19de7..3b4d03a50fc1 100755 --- a/tools/net/ynl/ynl-gen-c.py +++ b/tools/net/ynl/ynl-gen-c.py @@ -1,5 +1,5 @@ #!/usr/bin/env python3 -# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) import argparse import collections @@ -2068,12 +2068,12 @@ def main(): _, spec_kernel = find_kernel_root(args.spec) if args.mode == 'uapi': - cw.p('/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */') + cw.p('/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */') else: if args.header: - cw.p('/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */') + cw.p('/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */') else: - cw.p('// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause') + cw.p('// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)') cw.p("/* Do not edit directly, auto-generated from: */") cw.p(f"/*\t{spec_kernel} */") cw.p(f"/* YNL-GEN {args.mode} {'header' if args.header else 'source'} */") -- cgit v1.2.3