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* docs: misc-devices/apds990x.txt: convert to ReST formatMauro Carvalho Chehab2020-06-192-7/+25
| | | | | | | | | - Adjust title markup; - Adjust identation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/444743782e5c8b8085d8016c8be3baabe4d23b53.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: misc-devices/bh1770glc.txt: convert to ReSTMauro Carvalho Chehab2020-06-192-13/+33
| | | | | | | | | | - Adjust document title markup; - use list markups; - Adjust identations to display properly at ReST output. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/58ba712524318d03b3196bba33cb409472b4807d.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: misc-devices/c2port.txt: convert to ReST formatMauro Carvalho Chehab2020-06-192-26/+31
| | | | | | | | | | | | - Use copyright symbol; - use title markups; - adjust indentation; - mark literal blocks as such. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> [jc: reverted |copy| change] Link: https://lore.kernel.org/r/b3b2f3f58a9a33f9e8526d4fa36bee305ea4da38.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: misc-devices/pci-endpoint-test.txt: convert to ReSTMauro Carvalho Chehab2020-06-193-41/+57
| | | | | | | | | | | - Use titles markups; - Adjust identation; - use literal markup; - Use the proper notation for footnotes. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/d4def59b3e3042208ed44558ddfd96c8753fb88c.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: misc-devices/pci-endpoint-test.txt: convert to ReSTMauro Carvalho Chehab2020-06-194-14/+15
| | | | | | | | | - use title markups; - mark literal blocks. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/1b1f4e5e57fd2065828cecc9d07afbd247349e94.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: misc-devices/spear-pcie-gadget.txt: convert to ReSTMauro Carvalho Chehab2020-06-193-130/+171
| | | | | | | | | | | - Use title/chapter markups; - Use table markups; - Mark literal blocks as such; - Adjust indentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/4f8e129a93d04426ad7dd51f109725c48158a46d.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: crypto: descore-readme.txt: convert to ReST formatMauro Carvalho Chehab2020-06-192-45/+108
| | | | | | | | | | | | | | | | Convert this readme file to ReST file format, preserving its contents as-is as much as possible. The only changes are: - Added chapter and title markups; - Added blank lines where needed; - Added list markups where needed; - Use a table markup; - replace markups like `foo' to ``foo``; - add one extra literal markup to avoid warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/1426be1c7758c0224418352665040220b8a31799.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: crypto: convert async-tx-api.txt to ReST formatMauro Carvalho Chehab2020-06-195-108/+155
| | | | | | | | | | | | | | - Place the txt index inside a comment; - Use title and chapter markups; - Adjust markups for numbered list; - Mark literal blocks as such; - Use tables markup. - Adjust indentation when needed. Acked-By: Vinod Koul <vkoul@kernel.org> # dmaengine Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/98977242130efe86d1200f7a167299d4c1c205c5.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: crypto: convert api-intro.txt to ReST formatMauro Carvalho Chehab2020-06-192-87/+100
| | | | | | | | | | | | - Change title markups; - Mark literal blocks; - Use list markups at authors/credits; - Add blank lines when needed; - Remove trailing whitespaces. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c71e2c73a787ec7814db09bec3c1359779785bfa.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: crypto: convert asymmetric-keys.txt to ReSTMauro Carvalho Chehab2020-06-1911-57/+53
| | | | | | | | | | | | | | | This file is almost compatible with ReST. Just minor changes were needed: - Adjust document and titles markups; - Adjust numbered list markups; - Add a comments markup for the Contents section; - Add markups for literal blocks. Acked-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c2275ea94e0507a01b020ab66dfa824d8b1c2545.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: thermal: convert cpu-idle-cooling.rst to ReSTMauro Carvalho Chehab2020-06-191-6/+8
| | | | | | | | | | | | | | | Despite being named with .rst extension, this file doesn't match the ReST standard. It actually causes a crash at Sphinx: Sphinx parallel build error: docutils.utils.SystemMessage: /devel/v4l/docs/Documentation/driver-api/thermal/cpu-idle-cooling.rst:69: (SEVERE/4) Unexpected section title. Add needed markups for it to be properly parsed. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/7640755514809a7b5fe2756f3702613865877dcb.1592203650.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: fs: proc.rst: fix a warning due to a merge conflictMauro Carvalho Chehab2020-06-191-1/+1
| | | | | | | | | | | | | | | | | | | | | Changeset 424037b77519 ("mm: smaps: Report arm64 guarded pages in smaps") added a new parameter to a table. This causes Sphinx warnings, because there's now an extra "-" at the wrong place: /devel/v4l/docs/Documentation/filesystems/proc.rst:548: WARNING: Malformed table. Text in column margin in table line 29. == ======================================= rd readable ... bt - arm64 BTI guarded page == ======================================= Fixes: 424037b77519 ("mm: smaps: Report arm64 guarded pages in smaps") Fixes: c33e97efa9d9 ("docs: filesystems: convert proc.txt to ReST") Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/28c4f4c5c66c0fd7cbce83fe11963ea6154f1d47.1591137229.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation: tee: Document TEE kernel interfaceSumit Garg2020-06-191-0/+68
| | | | | | | | | | | Update documentation with TEE bus infrastructure which provides an interface for kernel client drivers to communicate with corresponding Trusted Application. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Reviewed-by: Maxim Uvarov <maxim.uvarov@linaro.org> Link: https://lore.kernel.org/r/1591253979-29067-1-git-send-email-sumit.garg@linaro.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Replace HTTP links with HTTPS ones: Documentation/translations/zh_CNAlexander A. Klimov2020-06-199-33/+33
| | | | | | | | | | | | | | | | | | | | Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/20200608181649.74883-1-grandmaster@al2klimov.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: deprecated.rst: Add zero-length and one-element arraysGustavo A. R. Silva2020-06-191-0/+118
| | | | | | | | | | | | | | | | | | Add zero-length and one-element arrays to the list. While I continue replacing zero-length and one-element arrays with flexible-array members, I need a reference to point people to, so they don't introduce more instances of such arrays. And while here, add a note to the "open-coded arithmetic in allocator arguments" section, on the use of struct_size() and the arrays-to-deprecate mentioned here. Co-developed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Acked-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20200608213711.GA22271@embeddedor Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs/zh_CN: update sysfs.txt about show() usageChen Zhou2020-06-191-2/+4
| | | | | | | | | Update the show() usage according to the English version. Signed-off-by: Chen Zhou <chenzhou10@huawei.com> Reviewed-by: Alex Shi <alex.shi@linux.alibaba.com> Link: https://lore.kernel.org/r/20200610025333.84010-1-chenzhou10@huawei.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* doc:it_IT: add symbol-namespace translationFederico Vaga2020-06-194-4/+189
| | | | | | | | | | - add complete translation of symbol-namespaces.rst - fix references to this page within the italian translation - add document to main indexes Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it> Link: https://lore.kernel.org/r/20200614201053.59502-1-federico.vaga@vaga.pv.it Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: mm/gup: Minor documentation updateSouptick Joarder2020-06-191-1/+1
| | | | | | | | | Now there are 5 cases. Updated the same. Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Link: https://lore.kernel.org/r/1592422023-7401-1-git-send-email-jrdr.linux@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation: fix sysctl/kernel.rst heading format warningsRandy Dunlap2020-06-191-4/+4
| | | | | | | | | | | | | | | | | | | Fix heading format warnings in admin-guide/sysctl/kernel.rst: Documentation/admin-guide/sysctl/kernel.rst:339: WARNING: Title underline too short. hung_task_all_cpu_backtrace: ================ Documentation/admin-guide/sysctl/kernel.rst:650: WARNING: Title underline too short. oops_all_cpu_backtrace: ================ Fixes: 0ec9dc9bcba0 ("kernel/hung_task.c: introduce sysctl to print all traces when a hung task is detected") Fixes: 60c958d8df9c ("panic: add sysctl to dump all CPUs backtraces on oops event") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/8af1cb77-4b5a-64b9-da5d-f6a95e537f99@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation: fix filesystems/locking.rst malformed table warningsRandy Dunlap2020-06-191-6/+6
| | | | | | | | | | | | | | | | | Fix Sphinx malformed table warnings in filesystems/locking.rst: lnx-58-rc1/Documentation/filesystems/locking.rst:443: WARNING: Malformed table. Text in column margin in table line 8. lnx-58-rc1/Documentation/filesystems/locking.rst:620: WARNING: Malformed table. Text in column margin in table line 2. Fixes: ec23eb54fbc7 ("docs: fs: convert docs without extension to ReST") Fixes: c1e8d7c6a7a6 ("mmap locking API: convert mmap_sem comments") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Michel Lespinasse <walken@google.com> Link: https://lore.kernel.org/r/12c2afd1-2dcf-2ea0-02aa-bc2759729c77@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation: remove SH-5 index entriesRandy Dunlap2020-06-191-12/+0
| | | | | | | | | | | | | | | Remove SH-5 documentation index entries following the removal of SH-5 source code. Error: Cannot open file ../arch/sh/mm/tlb-sh5.c Error: Cannot open file ../arch/sh/mm/tlb-sh5.c Error: Cannot open file ../arch/sh/include/asm/tlb_64.h Error: Cannot open file ../arch/sh/include/asm/tlb_64.h Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/71e1f336-ef5c-f5e9-25cf-16bd4439b9f9@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* doc: x86/speculation: length of underlinesHeinrich Schuchardt2020-06-191-3/+3
| | | | | | | | | The lengths of underlines must match the titles to avoid build warnings. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Reviewed-by: Mark Gross<mgross@linux.intel.com> Link: https://lore.kernel.org/r/20200615203645.11545-1-xypron.glpk@gmx.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* doc: add novamap to efi kernel command line parametersHeinrich Schuchardt2020-06-191-8/+10
| | | | | | | | | Document the efi=novamap kernel command line parameter. Put the efi parameters into alphabetic order. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Link: https://lore.kernel.org/r/20200616104012.4780-1-xypron.glpk@gmx.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* mailmap: add entries for Alexander LobakinAlexander Lobakin2020-06-191-0/+2
| | | | | | | | | My D-Link and Yandex addresses don't exist anymore, map them to my private box. Signed-off-by: Alexander Lobakin <alobakin@pm.me> Link: https://lore.kernel.org/r/5YUtoWlS7NX1N6TxI4ddZ9V-Yx8Bn8wzrEVJqfkTuwEzZjAsJg157goV81xPAU76k84Nis2uBwdHWk4JmYHbvGmd_JcBTk-rZDVpFNPNolU=@pm.me Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Linux 5.8-rc1v5.8-rc1Linus Torvalds2020-06-141-2/+2
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* Merge tag 'LSM-add-setgid-hook-5.8-author-fix' of ↵Linus Torvalds2020-06-145-1/+40
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://github.com/micah-morton/linux Pull SafeSetID update from Micah Morton: "Add additional LSM hooks for SafeSetID SafeSetID is capable of making allow/deny decisions for set*uid calls on a system, and we want to add similar functionality for set*gid calls. The work to do that is not yet complete, so probably won't make it in for v5.8, but we are looking to get this simple patch in for v5.8 since we have it ready. We are planning on the rest of the work for extending the SafeSetID LSM being merged during the v5.9 merge window" * tag 'LSM-add-setgid-hook-5.8-author-fix' of git://github.com/micah-morton/linux: security: Add LSM hooks to set*gid syscalls
| * security: Add LSM hooks to set*gid syscallsThomas Cedeno2020-06-145-1/+40
| | | | | | | | | | | | | | | | | | | | | | | | The SafeSetID LSM uses the security_task_fix_setuid hook to filter set*uid() syscalls according to its configured security policy. In preparation for adding analagous support in the LSM for set*gid() syscalls, we add the requisite hook here. Tested by putting print statements in the security_task_fix_setgid hook and seeing them get hit during kernel boot. Signed-off-by: Thomas Cedeno <thomascedeno@google.com> Signed-off-by: Micah Morton <mortonm@chromium.org>
* | Merge tag 'for-5.8-part2-tag' of ↵Linus Torvalds2020-06-147-234/+286
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs updates from David Sterba: "This reverts the direct io port to iomap infrastructure of btrfs merged in the first pull request. We found problems in invalidate page that don't seem to be fixable as regressions or without changing iomap code that would not affect other filesystems. There are four reverts in total, but three of them are followup cleanups needed to revert a43a67a2d715 cleanly. The result is the buffer head based implementation of direct io. Reverts are not great, but under current circumstances I don't see better options" * tag 'for-5.8-part2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: Revert "btrfs: switch to iomap_dio_rw() for dio" Revert "fs: remove dio_end_io()" Revert "btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK" Revert "btrfs: split btrfs_direct_IO to read and write part"
| * | Revert "btrfs: switch to iomap_dio_rw() for dio"David Sterba2020-06-144-166/+169
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit a43a67a2d715540c1368b9501a22b0373b5874c0. This patch reverts the main part of switching direct io implementation to iomap infrastructure. There's a problem in invalidate page that couldn't be solved as regression in this development cycle. The problem occurs when buffered and direct io are mixed, and the ranges overlap. Although this is not recommended, filesystems implement measures or fallbacks to make it somehow work. In this case, fallback to buffered IO would be an option for btrfs (this already happens when direct io is done on compressed data), but the change would be needed in the iomap code, bringing new semantics to other filesystems. Another problem arises when again the buffered and direct ios are mixed, invalidation fails, then -EIO is set on the mapping and fsync will fail, though there's no real error. There have been discussions how to fix that, but revert seems to be the least intrusive option. Link: https://lore.kernel.org/linux-btrfs/20200528192103.xm45qoxqmkw7i5yl@fiona/ Signed-off-by: David Sterba <dsterba@suse.com>
| * | Revert "fs: remove dio_end_io()"David Sterba2020-06-092-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit b75b7ca7c27dfd61dba368f390b7d4dc20b3a8cb. The patch restores a helper that was not necessary after direct IO port to iomap infrastructure, which gets reverted. Signed-off-by: David Sterba <dsterba@suse.com>
| * | Revert "btrfs: remove BTRFS_INODE_READDIO_NEED_LOCK"David Sterba2020-06-092-0/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 5f008163a559d566a0ee1190a0a24f3eec6f1ea7. The patch is a simplification after direct IO port to iomap infrastructure, which gets reverted. Signed-off-by: David Sterba <dsterba@suse.com>
| * | Revert "btrfs: split btrfs_direct_IO to read and write part"David Sterba2020-06-093-83/+90
| | | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit d8f3e73587ce574f7a9bc165e0db69b0b148f6f8. The patch is a cleanup of direct IO port to iomap infrastructure, which gets reverted. Signed-off-by: David Sterba <dsterba@suse.com>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds2020-06-14111-647/+1344
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: 1) Fix cfg80211 deadlock, from Johannes Berg. 2) RXRPC fails to send norigications, from David Howells. 3) MPTCP RM_ADDR parsing has an off by one pointer error, fix from Geliang Tang. 4) Fix crash when using MSG_PEEK with sockmap, from Anny Hu. 5) The ucc_geth driver needs __netdev_watchdog_up exported, from Valentin Longchamp. 6) Fix hashtable memory leak in dccp, from Wang Hai. 7) Fix how nexthops are marked as FDB nexthops, from David Ahern. 8) Fix mptcp races between shutdown and recvmsg, from Paolo Abeni. 9) Fix crashes in tipc_disc_rcv(), from Tuong Lien. 10) Fix link speed reporting in iavf driver, from Brett Creeley. 11) When a channel is used for XSK and then reused again later for XSK, we forget to clear out the relevant data structures in mlx5 which causes all kinds of problems. Fix from Maxim Mikityanskiy. 12) Fix memory leak in genetlink, from Cong Wang. 13) Disallow sockmap attachments to UDP sockets, it simply won't work. From Lorenz Bauer. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits) net: ethernet: ti: ale: fix allmulti for nu type ale net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init net: atm: Remove the error message according to the atomic context bpf: Undo internal BPF_PROBE_MEM in BPF insns dump libbpf: Support pre-initializing .bss global variables tools/bpftool: Fix skeleton codegen bpf: Fix memlock accounting for sock_hash bpf: sockmap: Don't attach programs to UDP sockets bpf: tcp: Recv() should return 0 when the peer socket is closed ibmvnic: Flush existing work items before device removal genetlink: clean up family attributes allocations net: ipa: header pad field only valid for AP->modem endpoint net: ipa: program upper nibbles of sequencer type net: ipa: fix modem LAN RX endpoint id net: ipa: program metadata mask differently ionic: add pcie_print_link_status rxrpc: Fix race between incoming ACK parser and retransmitter net/mlx5: E-Switch, Fix some error pointer dereferences net/mlx5: Don't fail driver on failure to create debugfs net/mlx5e: CT: Fix ipv6 nat header rewrite actions ...
| * | | net: ethernet: ti: ale: fix allmulti for nu type aleGrygorii Strashko2020-06-141-9/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On AM65xx MCU CPSW2G NUSS and 66AK2E/L NUSS allmulti setting does not allow unregistered mcast packets to pass. This happens, because ALE VLAN entries on these SoCs do not contain port masks for reg/unreg mcast packets, but instead store indexes of ALE_VLAN_MASK_MUXx_REG registers which intended for store port masks for reg/unreg mcast packets. This path was missed by commit 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled"). Hence, fix it by taking into account ALE type in cpsw_ale_set_allmulti(). Fixes: 9d1f6447274f ("net: ethernet: ti: ale: fix seeing unreg mcast packets with promisc and allmulti disabled") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | net: ethernet: ti: am65-cpsw-nuss: fix ale parameters initGrygorii Strashko2020-06-141-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ALE parameters structure is created on stack, so it has to be reset before passing to cpsw_ale_create() to avoid garbage values. Fixes: 93a76530316a ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller2020-06-1427-93/+348
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Alexei Starovoitov says: ==================== pull-request: bpf 2020-06-12 The following pull-request contains BPF updates for your *net* tree. We've added 26 non-merge commits during the last 10 day(s) which contain a total of 27 files changed, 348 insertions(+), 93 deletions(-). The main changes are: 1) sock_hash accounting fix, from Andrey. 2) libbpf fix and probe_mem sanitizing, from Andrii. 3) sock_hash fixes, from Jakub. 4) devmap_val fix, from Jesper. 5) load_bytes_relative fix, from YiFei. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| | * | | bpf: Undo internal BPF_PROBE_MEM in BPF insns dumpAndrii Nakryiko2020-06-131-5/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BPF_PROBE_MEM is kernel-internal implmementation details. When dumping BPF instructions to user-space, it needs to be replaced back with BPF_MEM mode. Fixes: 2a02759ef5f8 ("bpf: Add support for BTF pointers to interpreter") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200613002115.1632142-1-andriin@fb.com
| | * | | libbpf: Support pre-initializing .bss global variablesAndrii Nakryiko2020-06-133-13/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove invalid assumption in libbpf that .bss map doesn't have to be updated in kernel. With addition of skeleton and memory-mapped initialization image, .bss doesn't have to be all zeroes when BPF map is created, because user-code might have initialized those variables from user-space. Fixes: eba9c5f498a1 ("libbpf: Refactor global data map initialization") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200612194504.557844-1-andriin@fb.com
| | * | | tools/bpftool: Fix skeleton codegenAndrii Nakryiko2020-06-131-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove unnecessary check at the end of codegen() routine which makes codegen() to always fail and exit bpftool with error code. Positive value of variable n is not an indicator of a failure. Fixes: 2c4779eff837 ("tools, bpftool: Exit on error in function codegen") Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Link: https://lore.kernel.org/bpf/20200612201603.680852-1-andriin@fb.com
| | * | | bpf: Fix memlock accounting for sock_hashAndrey Ignatov2020-06-131-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add missed bpf_map_charge_init() in sock_hash_alloc() and correspondingly bpf_map_charge_finish() on ENOMEM. It was found accidentally while working on unrelated selftest that checks "map->memory.pages > 0" is true for all map types. Before: # bpftool m l ... 3692: sockhash name m_sockhash flags 0x0 key 4B value 4B max_entries 8 memlock 0B After: # bpftool m l ... 84: sockmap name m_sockmap flags 0x0 key 4B value 4B max_entries 8 memlock 4096B Fixes: 604326b41a6f ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200612000857.2881453-1-rdna@fb.com
| | * | | bpf: sockmap: Don't attach programs to UDP socketsLorenz Bauer2020-06-131-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The stream parser infrastructure isn't set up to deal with UDP sockets, so we mustn't try to attach programs to them. I remember making this change at some point, but I must have lost it while rebasing or something similar. Fixes: 7b98cd42b049 ("bpf: sockmap: Add UDP support") Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/20200611172520.327602-1-lmb@cloudflare.com
| | * | | bpf: tcp: Recv() should return 0 when the peer socket is closedSabrina Dubroca2020-06-131-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the peer is closed, we will never get more data, so tcp_bpf_wait_data will get stuck forever. In case we passed MSG_DONTWAIT to recv(), we get EAGAIN but we should actually get 0. >From man 2 recv: RETURN VALUE When a stream socket peer has performed an orderly shutdown, the return value will be 0 (the traditional "end-of-file" return). This patch makes tcp_bpf_wait_data always return 1 when the peer socket has been shutdown. Either we have data available, and it would have returned 1 anyway, or there isn't, in which case we'll call tcp_recvmsg which does the right thing in this situation. Fixes: 604326b41a6f ("bpf, sockmap: convert to generic sk_msg interface") Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/bpf/26038a28c21fea5d04d4bd4744c5686d3f2e5504.1591784177.git.sd@queasysnail.net
| | * | | tools, bpftool: Exit on error in function codegenTobias Klauser2020-06-111-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently, the codegen function might fail and return an error. But its callers continue without checking its return value. Since codegen can fail only in the unlikely case of the system running out of memory or the static template being malformed, just exit(-1) directly from codegen and make it void-returning. Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200611103341.21532-1-tklauser@distanz.ch
| | * | | xdp: Fix xsk_generic_xmit errnoLi RongQing2020-06-111-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Propagate sock_alloc_send_skb error code, not set it to EAGAIN unconditionally, when fail to allocate skb, which might cause that user space unnecessary loops. Fixes: 35fcde7f8deb ("xsk: support for Tx") Signed-off-by: Li RongQing <lirongqing@baidu.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Björn Töpel <bjorn.topel@intel.com> Link: https://lore.kernel.org/bpf/1591852266-24017-1-git-send-email-lirongqing@baidu.com
| | * | | tools, bpftool: Fix memory leak in codegen error casesTobias Klauser2020-06-111-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Free the memory allocated for the template on error paths in function codegen. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200610130804.21423-1-tklauser@distanz.ch
| | * | | selftests/bpf: Add cgroup_skb/egress test for load_bytes_relativeYiFei Zhu2020-06-112-0/+119
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When cgroup_skb/egress triggers the MAC header is not set. Added a test that asserts reading MAC header is a -EFAULT but NET header succeeds. The test result from within the eBPF program is stored in an 1-element array map that the userspace then reads and asserts on. Another assertion is added that reading from a large offset, past the end of packet, returns -EFAULT. Signed-off-by: YiFei Zhu <zhuyifei@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/9028ccbea4385a620e69c0a104f469ffd655c01e.1591812755.git.zhuyifei@google.com
| | * | | net/filter: Permit reading NET in load_bytes_relative when MAC not setYiFei Zhu2020-06-111-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added a check in the switch case on start_header that checks for the existence of the header, and in the case that MAC is not set and the caller requests for MAC, -EFAULT. If the caller requests for NET then MAC's existence is completely ignored. There is no function to check NET header's existence and as far as cgroup_skb/egress is concerned it should always be set. Removed for ptr >= the start of header, considering offset is bounded unsigned and should always be true. len <= end - mac is redundant to ptr + len <= end. Fixes: 3eee1f75f2b9 ("bpf: fix bpf_skb_load_bytes_relative pkt length check") Signed-off-by: YiFei Zhu <zhuyifei@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.org/bpf/76bb820ddb6a95f59a772ecbd8c8a336f646b362.1591812755.git.zhuyifei@google.com
| | * | | tools, bpf: Do not force gcc as CCBrett Mastbergen2020-06-101-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows transparent cross-compilation with CROSS_COMPILE by relying on 7ed1c1901fe5 ("tools: fix cross-compile var clobbering"). Same change was applied to tools/bpf/bpftool/Makefile in 9e88b9312acb ("tools: bpftool: do not force gcc as CC"). Signed-off-by: Brett Mastbergen <brett.mastbergen@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20200609213506.3299-1-brett.mastbergen@gmail.com
| | * | | libbpf: Handle GCC noreturn-turned-volatile quirkAndrii Nakryiko2020-06-101-9/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Handle a GCC quirk of emitting extra volatile modifier in DWARF (and subsequently preserved in BTF by pahole) for function pointers marked as __attribute__((noreturn)). This was the way to mark such functions before GCC 2.5 added noreturn attribute. Drop such func_proto modifiers, similarly to how it's done for array (also to handle GCC quirk/bug). Such volatile attribute is emitted by GCC only, so existing selftests can't express such test. Simple repro is like this (compiled with GCC + BTF generated by pahole): struct my_struct { void __attribute__((noreturn)) (*fn)(int); }; struct my_struct a; Without this fix, output will be: struct my_struct { voidvolatile (*fn)(int); }; With the fix: struct my_struct { void (*fn)(int); }; Fixes: 351131b51c7a ("libbpf: add btf_dump API for BTF-to-C conversion") Reported-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Jean-Philippe Brucker <jean-philippe@linaro.org> Link: https://lore.kernel.org/bpf/20200610052335.2862559-1-andriin@fb.com
| | * | | libbpf: Define __WORDSIZE if not availableArnaldo Carvalho de Melo2020-06-101-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some systems, such as Android, don't have a define for __WORDSIZE, do it in terms of __SIZEOF_LONG__, as done in perf since 2012: http://git.kernel.org/torvalds/c/3f34f6c0233ae055b5 For reference: https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html I build tested it here and Andrii did some Travis CI build tests too. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200608161150.GA3073@kernel.org
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 17:08:43 +0100