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2021-01-14MAINTAINERS: dccp: move Gerrit Renker to CREDITSJakub Kicinski
As far as I can tell we haven't heard from Gerrit for roughly 5 years now. DCCP patch would really benefit from some review. Gerrit was the last maintainer so mark this entry as orphaned. Subsystem DCCP PROTOCOL Changes 38 / 166 (22%) (No activity) Top reviewers: [6]: kstewart@linuxfoundation.org [6]: allison@lohutok.net [5]: edumazet@google.com INACTIVE MAINTAINER Gerrit Renker <gerrit@erg.abdn.ac.uk> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-14MAINTAINERS: ipvs: move Wensong Zhang to CREDITSJakub Kicinski
Move Wensong Zhang to credits, we haven't heard from him in years. Subsystem IPVS Changes 83 / 226 (36%) Last activity: 2020-11-27 Wensong Zhang <wensong@linux-vs.org>: Simon Horman <horms@verge.net.au>: Committer c24b75e0f923 2019-10-24 00:00:00 33 Tags 7980d2eabde8 2020-10-12 00:00:00 76 Julian Anastasov <ja@ssi.bg>: Author 7980d2eabde8 2020-10-12 00:00:00 26 Tags 4bc3c8dc9f5f 2020-11-27 00:00:00 78 Top reviewers: [6]: horms+renesas@verge.net.au INACTIVE MAINTAINER Wensong Zhang <wensong@linux-vs.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-14MAINTAINERS: tls: move Aviad to CREDITSJakub Kicinski
Aviad wrote parts of the initial TLS implementation but hasn't been contributing to TLS since. Subsystem NETWORKING [TLS] Changes 123 / 308 (39%) Last activity: 2020-12-01 Boris Pismenny <borisp@nvidia.com>: Tags 138559b9f99d 2020-11-17 00:00:00 1 Aviad Yehezkel <aviadye@nvidia.com>: John Fastabend <john.fastabend@gmail.com>: Author e91de6afa81c 2020-06-01 00:00:00 22 Tags e91de6afa81c 2020-06-01 00:00:00 29 Daniel Borkmann <daniel@iogearbox.net>: Author c16ee04c9b30 2018-10-20 00:00:00 7 Committer b8e202d1d1d0 2020-02-21 00:00:00 19 Tags b8e202d1d1d0 2020-02-21 00:00:00 28 Jakub Kicinski <kuba@kernel.org>: Author 5c39f26e67c9 2020-11-27 00:00:00 89 Committer d31c08007523 2020-12-01 00:00:00 15 Tags d31c08007523 2020-12-01 00:00:00 117 Top reviewers: [50]: dirk.vandermerwe@netronome.com [26]: simon.horman@netronome.com [14]: john.hurley@netronome.com INACTIVE MAINTAINER Aviad Yehezkel <aviadye@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-14MAINTAINERS: vrf: move Shrijeet to CREDITSJakub Kicinski
Shrijeet has moved on from VRF-related work. Subsystem VRF Changes 30 / 120 (25%) Last activity: 2020-12-09 David Ahern <dsahern@kernel.org>: Author 1b6687e31a2d 2020-07-23 00:00:00 1 Tags 9125abe7b9cb 2020-12-09 00:00:00 4 Shrijeet Mukherjee <shrijeet@gmail.com>: Top reviewers: [13]: dsahern@gmail.com [4]: dsa@cumulusnetworks.com INACTIVE MAINTAINER Shrijeet Mukherjee <shrijeet@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-14MAINTAINERS: net: move Alexey Kuznetsov to CREDITSJakub Kicinski
Move Alexey to CREDITS. I am probably not giving him enough justice with the description line.. Subsystem NETWORKING [IPv4/IPv6] Changes 1535 / 5111 (30%) Last activity: 2020-12-10 "David S. Miller" <davem@davemloft.net>: Author b7e4ba9a91df 2020-12-09 00:00:00 407 Committer e0fecb289ad3 2020-12-10 00:00:00 3992 Tags e0fecb289ad3 2020-12-10 00:00:00 3978 Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>: Tags d5d8760b78d0 2016-06-16 00:00:00 8 Top reviewers: [225]: edumazet@google.com [222]: dsahern@gmail.com [176]: ncardwell@google.com INACTIVE MAINTAINER Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-01-14MAINTAINERS: altx: move Jay Cliburn to CREDITSJakub Kicinski
Jay was not active in recent years and does not have plans to return to work on ATLX drivers. Subsystem ATLX ETHERNET DRIVERS Changes 20 / 116 (17%) Last activity: 2020-02-24 Jay Cliburn <jcliburn@gmail.com>: Chris Snook <chris.snook@gmail.com>: Tags ea973742140b 2020-02-24 00:00:00 1 Top reviewers: [4]: andrew@lunn.ch [2]: kuba@kernel.org [2]: o.rempel@pengutronix.de INACTIVE MAINTAINER Jay Cliburn <jcliburn@gmail.com> Acked-by: Chris Snook <chris.snook@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-11Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
xdp_return_frame_bulk() needs to pass a xdp_buff to __xdp_return(). strlcpy got converted to strscpy but here it makes no functional difference, so just keep the right code. Conflicts: net/netfilter/nf_tables_api.c Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-30MAINTAINERS: Move Jason Cooper to CREDITSMarc Zyngier
Jason's email address has now been bouncing for weeks, and no reply was received when trying to reach out on other addresses. We really hope he is OK. But until we hear of his whereabouts, let's move him to the CREDITS file so that people stop Cc-ing him. Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Gregory CLEMENT <gregory.clement@bootlin.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Link: https://lore.kernel.org/r/20201128103707.332874-1-maz@kernel.org
2020-11-19Merge https://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-17net: wan: Delete the DLCI / SDLA driversXie He
The DLCI driver (dlci.c) implements the Frame Relay protocol. However, we already have another newer and better implementation of Frame Relay provided by the HDLC_FR driver (hdlc_fr.c). The DLCI driver's implementation of Frame Relay is used by only one hardware driver in the kernel - the SDLA driver (sdla.c). The SDLA driver provides Frame Relay support for the Sangoma S50x devices. However, the vendor provides their own driver (along with their own multi-WAN-protocol implementations including Frame Relay), called WANPIPE. I believe most users of the hardware would use the vendor-provided WANPIPE driver instead. (The WANPIPE driver was even once in the kernel, but was deleted in commit 8db60bcf3021 ("[WAN]: Remove broken and unmaintained Sangoma drivers.") because the vendor no longer updated the in-kernel WANPIPE driver.) Cc: Mike McLagan <mike.mclagan@linux.org> Signed-off-by: Xie He <xie.he.0141@gmail.com> Link: https://lore.kernel.org/r/20201114150921.685594-1-xie.he.0141@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-11-13Merge tag 'samsung-fixes-5.10' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes Samsung changes for v5.10 Remove Kamil Debski, Kyungmin Park and Jeongtae Park from maintainers of several drivers. There were no maintenance activities from them for some time. While at touching credits, this also cleans up white spaces. * tag 'samsung-fixes-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux: CREDITS: remove trailing white spaces MAINTAINERS: remove Jeongtae Park from Samsung MFC entry MAINTAINERS: move Kyungmin Park to credits MAINTAINERS: move Kamil Debski to credits Link: https://lore.kernel.org/r/20201031120237.8542-1-krzk@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-10-28CREDITS: remove trailing white spacesKrzysztof Kozlowski
Remove trailing white spaces. No functional/substantive change. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Link: https://lore.kernel.org/r/20201016151528.7553-4-krzk@kernel.org
2020-10-28MAINTAINERS: move Kyungmin Park to creditsKrzysztof Kozlowski
Kyungmin Park maintained and contributed to some of the upstreamed S5Pv210 and Exynos4210 machines - as described in commit 10ffa96407b2 ("MAINTAINERS: add maintainer of Samsung Mobile Machine support"). However the entry in maintainers got slightly twisted by commit 004bbd3c01d4 ("MAINTAINERS: remove non existent files") - the directory matching pattern was changed from specific machines to the entire S5Pv210. Anyway since long time, all S5Pv210 maintenance is covered by the Samsung ARM architectures maintainer entry and Krzysztof Kozlowski, so move Kyungmin Park to the CREDITS. There was also no activity on LKML regarding other maintained drivers: https://lore.kernel.org/lkml/?q=f%3A%22Kyungmin+Park%22 Dear Kyungmin Park, thank you for all the effort you put in to the upstream Samsung support. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Link: https://lore.kernel.org/r/20201016151528.7553-1-krzk@kernel.org
2020-10-28MAINTAINERS: move Kamil Debski to creditsKrzysztof Kozlowski
Kamil Debski has not been active on LKML since 2017: https://lore.kernel.org/lkml/?q=f%3A%22Kamil+Debski%22 Move Kamil Debski to the CREDITS file. Thank you for the effort you put in to the upstream Linux kernel work. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Kamil Debski <kamil@wypas.org> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Link: https://lore.kernel.org/r/20201016151528.7553-1-krzk@kernel.org
2020-10-26MAINTAINERS: Move Sangbeom Kim to creditsKrzysztof Kozlowski
Sangbeom Kim upstreamed the Samsung SoC Sound and PMIC (MFD, regulator, RTC) drivers. However his contributions and LKML activity ends in 2014: https://lore.kernel.org/lkml/?q=f%3A%22Sangbeom+Kim%22 Move Sangbeom Kim to the CREDITS file. Thank you for the effort you put in to the upstream Samsung support. Link: https://lore.kernel.org/r/20201016061848.6258-2-krzk@kernel.org Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-10-26MAINTAINERS: Move Kukjin Kim to creditsKrzysztof Kozlowski
Kukjin Kim has been maintaining the Samsung ARM architectures since 2010 up to 2016. He contributed many patches for the S3C, S5P and Exynos support. However since 2016 there is little activity from him on the LKML [1] so move his name to the CREDITS. Dear Kukjin, thank you for all the effort you put in to the upstream Samsung support. [1] https://lore.kernel.org/lkml/?q=f%3A%22Kukjin+Kim%22 Link: https://lore.kernel.org/r/20201016061848.6258-1-krzk@kernel.org Cc: Kukjin Kim <kgene@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Olof Johansson <olof@lixom.net> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Kukjin Kim <kgene@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-10-15Merge tag 'net-next-5.10' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: - Add redirect_neigh() BPF packet redirect helper, allowing to limit stack traversal in common container configs and improving TCP back-pressure. Daniel reports ~10Gbps => ~15Gbps single stream TCP performance gain. - Expand netlink policy support and improve policy export to user space. (Ge)netlink core performs request validation according to declared policies. Expand the expressiveness of those policies (min/max length and bitmasks). Allow dumping policies for particular commands. This is used for feature discovery by user space (instead of kernel version parsing or trial and error). - Support IGMPv3/MLDv2 multicast listener discovery protocols in bridge. - Allow more than 255 IPv4 multicast interfaces. - Add support for Type of Service (ToS) reflection in SYN/SYN-ACK packets of TCPv6. - In Multi-patch TCP (MPTCP) support concurrent transmission of data on multiple subflows in a load balancing scenario. Enhance advertising addresses via the RM_ADDR/ADD_ADDR options. - Support SMC-Dv2 version of SMC, which enables multi-subnet deployments. - Allow more calls to same peer in RxRPC. - Support two new Controller Area Network (CAN) protocols - CAN-FD and ISO 15765-2:2016. - Add xfrm/IPsec compat layer, solving the 32bit user space on 64bit kernel problem. - Add TC actions for implementing MPLS L2 VPNs. - Improve nexthop code - e.g. handle various corner cases when nexthop objects are removed from groups better, skip unnecessary notifications and make it easier to offload nexthops into HW by converting to a blocking notifier. - Support adding and consuming TCP header options by BPF programs, opening the doors for easy experimental and deployment-specific TCP option use. - Reorganize TCP congestion control (CC) initialization to simplify life of TCP CC implemented in BPF. - Add support for shipping BPF programs with the kernel and loading them early on boot via the User Mode Driver mechanism, hence reusing all the user space infra we have. - Support sleepable BPF programs, initially targeting LSM and tracing. - Add bpf_d_path() helper for returning full path for given 'struct path'. - Make bpf_tail_call compatible with bpf-to-bpf calls. - Allow BPF programs to call map_update_elem on sockmaps. - Add BPF Type Format (BTF) support for type and enum discovery, as well as support for using BTF within the kernel itself (current use is for pretty printing structures). - Support listing and getting information about bpf_links via the bpf syscall. - Enhance kernel interfaces around NIC firmware update. Allow specifying overwrite mask to control if settings etc. are reset during update; report expected max time operation may take to users; support firmware activation without machine reboot incl. limits of how much impact reset may have (e.g. dropping link or not). - Extend ethtool configuration interface to report IEEE-standard counters, to limit the need for per-vendor logic in user space. - Adopt or extend devlink use for debug, monitoring, fw update in many drivers (dsa loop, ice, ionic, sja1105, qed, mlxsw, mv88e6xxx, dpaa2-eth). - In mlxsw expose critical and emergency SFP module temperature alarms. Refactor port buffer handling to make the defaults more suitable and support setting these values explicitly via the DCBNL interface. - Add XDP support for Intel's igb driver. - Support offloading TC flower classification and filtering rules to mscc_ocelot switches. - Add PTP support for Marvell Octeontx2 and PP2.2 hardware, as well as fixed interval period pulse generator and one-step timestamping in dpaa-eth. - Add support for various auth offloads in WiFi APs, e.g. SAE (WPA3) offload. - Add Lynx PHY/PCS MDIO module, and convert various drivers which have this HW to use it. Convert mvpp2 to split PCS. - Support Marvell Prestera 98DX3255 24-port switch ASICs, as well as 7-port Mediatek MT7531 IP. - Add initial support for QCA6390 and IPQ6018 in ath11k WiFi driver, and wcn3680 support in wcn36xx. - Improve performance for packets which don't require much offloads on recent Mellanox NICs by 20% by making multiple packets share a descriptor entry. - Move chelsio inline crypto drivers (for TLS and IPsec) from the crypto subtree to drivers/net. Move MDIO drivers out of the phy directory. - Clean up a lot of W=1 warnings, reportedly the actively developed subsections of networking drivers should now build W=1 warning free. - Make sure drivers don't use in_interrupt() to dynamically adapt their code. Convert tasklets to use new tasklet_setup API (sadly this conversion is not yet complete). * tag 'net-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2583 commits) Revert "bpfilter: Fix build error with CONFIG_BPFILTER_UMH" net, sockmap: Don't call bpf_prog_put() on NULL pointer bpf, selftest: Fix flaky tcp_hdr_options test when adding addr to lo bpf, sockmap: Add locking annotations to iterator netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements net: fix pos incrementment in ipv6_route_seq_next net/smc: fix invalid return code in smcd_new_buf_create() net/smc: fix valid DMBE buffer sizes net/smc: fix use-after-free of delayed events bpfilter: Fix build error with CONFIG_BPFILTER_UMH cxgb4/ch_ipsec: Replace the module name to ch_ipsec from chcr net: sched: Fix suspicious RCU usage while accessing tcf_tunnel_info bpf: Fix register equivalence tracking. rxrpc: Fix loss of final ack on shutdown rxrpc: Fix bundle counting for exclusive connections netfilter: restore NF_INET_NUMHOOKS ibmveth: Identify ingress large send packets. ibmveth: Switch order of ibmveth_helper calls. cxgb4: handle 4-tuple PEDIT to NAT mode translation selftests: Add VRF route leaking tests ...
2020-09-10MAINTAINERS: Add Krzysztof Kozlowski to Samsung S3FWRN5 and remove RobertKrzysztof Kozlowski
Robert Bałdyga's email does not work (bounces) since 2016 so remove it. Additionally there are no review/ack/tested tags from Krzysztof Opasiak so it looks like the driver is not supported. As a maintainer of Samsung ARM/ARM64 SoC, I can take care about this driver and provide some review. However clearly driver is not in supported mode as I do not work in Samsung anymore. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-06MAINTAINERS: Move Hartmut Knaack to CreditsKrzysztof Kozlowski
Hartmut Knaack was an active reviewer and contributor to the IIO subsystem and drivers. However his last message on LKML is from October 2015. In thanks for Hartmut's effort, move him name to the Credits. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jonathan Cameron <jic23@kernel.org> Cc: linux-iio <linux-iio@vger.kernel.org> Link: https://lore.kernel.org/r/20200903181926.5606-2-krzk@kernel.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-07-23CREDITS: Replace HTTP links with HTTPS onesAlexander A. Klimov
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: If not .svg: 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> Link: https://lore.kernel.org/r/20200714175528.46712-1-grandmaster@al2klimov.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-05-25mailmap: change email for Ricardo RibaldaRicardo Ribalda Delgado
Modify emails to ribalda@kernel.org and unify my surname in all the files. Signed-off-by: Ricardo Ribalda <ribalda@kernel.org> Link: https://lore.kernel.org/r/20200430135224.362700-1-ricardo@ribalda.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-02-24MAINTAINERS: Hand MIPS over to ThomasPaul Burton
My time with MIPS the company has reached its end, and so at best I'll have little time spend on maintaining arch/mips/. Ralf last authored a patch over 2 years ago, the last time he committed one is even further back & activity was sporadic for a while before that. The reality is that he isn't active. Having a new maintainer with time to do things properly will be beneficial all round. Thomas Bogendoerfer has been involved in MIPS development for a long time & has offered to step up as maintainer, so add Thomas and remove myself & Ralf from the MIPS entry. Ralf already has an entry in CREDITS to honor his contributions, so this just adds one for me. Signed-off-by: Paul Burton <paulburton@kernel.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-kernel@vger.kernel.org Cc: linux-mips@vger.kernel.org
2020-01-18open: introduce openat2(2) syscallAleksa Sarai
/* Background. */ For a very long time, extending openat(2) with new features has been incredibly frustrating. This stems from the fact that openat(2) is possibly the most famous counter-example to the mantra "don't silently accept garbage from userspace" -- it doesn't check whether unknown flags are present[1]. This means that (generally) the addition of new flags to openat(2) has been fraught with backwards-compatibility issues (O_TMPFILE has to be defined as __O_TMPFILE|O_DIRECTORY|[O_RDWR or O_WRONLY] to ensure old kernels gave errors, since it's insecure to silently ignore the flag[2]). All new security-related flags therefore have a tough road to being added to openat(2). Userspace also has a hard time figuring out whether a particular flag is supported on a particular kernel. While it is now possible with contemporary kernels (thanks to [3]), older kernels will expose unknown flag bits through fcntl(F_GETFL). Giving a clear -EINVAL during openat(2) time matches modern syscall designs and is far more fool-proof. In addition, the newly-added path resolution restriction LOOKUP flags (which we would like to expose to user-space) don't feel related to the pre-existing O_* flag set -- they affect all components of path lookup. We'd therefore like to add a new flag argument. Adding a new syscall allows us to finally fix the flag-ignoring problem, and we can make it extensible enough so that we will hopefully never need an openat3(2). /* Syscall Prototype. */ /* * open_how is an extensible structure (similar in interface to * clone3(2) or sched_setattr(2)). The size parameter must be set to * sizeof(struct open_how), to allow for future extensions. All future * extensions will be appended to open_how, with their zero value * acting as a no-op default. */ struct open_how { /* ... */ }; int openat2(int dfd, const char *pathname, struct open_how *how, size_t size); /* Description. */ The initial version of 'struct open_how' contains the following fields: flags Used to specify openat(2)-style flags. However, any unknown flag bits or otherwise incorrect flag combinations (like O_PATH|O_RDWR) will result in -EINVAL. In addition, this field is 64-bits wide to allow for more O_ flags than currently permitted with openat(2). mode The file mode for O_CREAT or O_TMPFILE. Must be set to zero if flags does not contain O_CREAT or O_TMPFILE. resolve Restrict path resolution (in contrast to O_* flags they affect all path components). The current set of flags are as follows (at the moment, all of the RESOLVE_ flags are implemented as just passing the corresponding LOOKUP_ flag). RESOLVE_NO_XDEV => LOOKUP_NO_XDEV RESOLVE_NO_SYMLINKS => LOOKUP_NO_SYMLINKS RESOLVE_NO_MAGICLINKS => LOOKUP_NO_MAGICLINKS RESOLVE_BENEATH => LOOKUP_BENEATH RESOLVE_IN_ROOT => LOOKUP_IN_ROOT open_how does not contain an embedded size field, because it is of little benefit (userspace can figure out the kernel open_how size at runtime fairly easily without it). It also only contains u64s (even though ->mode arguably should be a u16) to avoid having padding fields which are never used in the future. Note that as a result of the new how->flags handling, O_PATH|O_TMPFILE is no longer permitted for openat(2). As far as I can tell, this has always been a bug and appears to not be used by userspace (and I've not seen any problems on my machines by disallowing it). If it turns out this breaks something, we can special-case it and only permit it for openat(2) but not openat2(2). After input from Florian Weimer, the new open_how and flag definitions are inside a separate header from uapi/linux/fcntl.h, to avoid problems that glibc has with importing that header. /* Testing. */ In a follow-up patch there are over 200 selftests which ensure that this syscall has the correct semantics and will correctly handle several attack scenarios. In addition, I've written a userspace library[4] which provides convenient wrappers around openat2(RESOLVE_IN_ROOT) (this is necessary because no other syscalls support RESOLVE_IN_ROOT, and thus lots of care must be taken when using RESOLVE_IN_ROOT'd file descriptors with other syscalls). During the development of this patch, I've run numerous verification tests using libpathrs (showing that the API is reasonably usable by userspace). /* Future Work. */ Additional RESOLVE_ flags have been suggested during the review period. These can be easily implemented separately (such as blocking auto-mount during resolution). Furthermore, there are some other proposed changes to the openat(2) interface (the most obvious example is magic-link hardening[5]) which would be a good opportunity to add a way for userspace to restrict how O_PATH file descriptors can be re-opened. Another possible avenue of future work would be some kind of CHECK_FIELDS[6] flag which causes the kernel to indicate to userspace which openat2(2) flags and fields are supported by the current kernel (to avoid userspace having to go through several guesses to figure it out). [1]: https://lwn.net/Articles/588444/ [2]: https://lore.kernel.org/lkml/CA+55aFyyxJL1LyXZeBsf2ypriraj5ut1XkNDsunRBqgVjZU_6Q@mail.gmail.com [3]: commit 629e014bb834 ("fs: completely ignore unknown open flags") [4]: https://sourceware.org/bugzilla/show_bug.cgi?id=17523 [5]: https://lore.kernel.org/lkml/20190930183316.10190-2-cyphar@cyphar.com/ [6]: https://youtu.be/ggD-eb3yPVs Suggested-by: Christian Brauner <christian.brauner@ubuntu.com> Signed-off-by: Aleksa Sarai <cyphar@cyphar.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2019-10-29Merge tag 'v5.4-rc4' into docs-nextJonathan Corbet
I need to pick up the independent changes made to Documentation/core-api/memory-allocation.rst to be able to merge further work without creating a total mess.
2019-10-10MAINTAINERS: Remove Simon as Renesas SoC Co-MaintainerGeert Uytterhoeven
At the end of the v5.3 upstream kernel development cycle, Simon stepped down from his role as Renesas SoC maintainer. Remove his maintainership, git repository, and branch from the MAINTAINERS file, and add an entry to the CREDITS file to honor his work. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-10-01CREDITS: update email address for Martin KepplingerMartin Kepplinger
Employers change - Linux stays. Also, add my (long time valid) GPG key fingerprint to the contact details. Signed-off-by: Martin Kepplinger <martin.kepplinger@puri.sm> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-09-13CREDITS: Update email addressLuis Correia
Signed-off-by: Luis Correia <luisfcorreia@gmail.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-07-19Remove references to dead website.Dave Jones
This fell into disrepair a while ago, and the majority of hits to the snapshots were from bots, so it's more trouble to keep running than it's worth. Signed-off-by: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-15docs: admin-guide: move sysctl directory to itMauro Carvalho Chehab
The stuff under sysctl describes /sys interface from userspace point of view. So, add it to the admin-guide and remove the :orphan: from its index file. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-06-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextPablo Neira Ayuso
Resolve conflict between d2912cb15bdd ("treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500") removing the GPL disclaimer and fe03d4745675 ("Update my email address") which updates Jozsef Kadlecsik's email. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-06-10Update my email addressJozsef Kadlecsik
It's better to use my kadlec@netfilter.org email address in the source code. I might not be able to use kadlec@blackhole.kfki.hu in the future. Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org> Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
2019-05-31MAINTAINERS: Farewell Martin SchwidefskyHeiko Carstens
After two decades of significant contributions to the s390 architecture, we must say goodbye to our dear colleague. Blue skies, Martin! Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-03-06Merge tag 'char-misc-5.1-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big char/misc driver patch pull request for 5.1-rc1. The largest thing by far is the new habanalabs driver for their AI accelerator chip. For now it is in the drivers/misc directory but will probably move to a new directory soon along with other drivers of this type. Other than that, just the usual set of individual driver updates and fixes. There's an "odd" merge in here from the DRM tree that they asked me to do as the MEI driver is starting to interact with the i915 driver, and it needed some coordination. All of those patches have been properly acked by the relevant subsystem maintainers. All of these have been in linux-next with no reported issues, most for quite some time" * tag 'char-misc-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (219 commits) habanalabs: adjust Kconfig to fix build errors habanalabs: use %px instead of %p in error print habanalabs: use do_div for 64-bit divisions intel_th: gth: Fix an off-by-one in output unassigning habanalabs: fix little-endian<->cpu conversion warnings habanalabs: use NULL to initialize array of pointers habanalabs: fix little-endian<->cpu conversion warnings habanalabs: soft-reset device if context-switch fails habanalabs: print pointer using %p habanalabs: fix memory leak with CBs with unaligned size habanalabs: return correct error code on MMU mapping failure habanalabs: add comments in uapi/misc/habanalabs.h habanalabs: extend QMAN0 job timeout habanalabs: set DMA0 completion to SOB 1007 habanalabs: fix validation of WREG32 to DMA completion habanalabs: fix mmu cache registers init habanalabs: disable CPU access on timeouts habanalabs: add MMU DRAM default page mapping habanalabs: Dissociate RAZWI info from event types misc/habanalabs: adjust Kconfig to fix build errors ...
2019-02-21CREDITS/MAINTAINERS: Retire parisc-linux.org email domainHelge Deller
Retire the parisc-linux.org email domain and provide alternative email addresses for the remaining users, as agreed upon with them. Signed-off-by: Helge Deller <deller@gmx.de>
2019-02-18Update MAINTAINERS and CREDITS with habanalabs infoOded Gabbay
The habanalabs driver was written from scratch from the very first days of Habana and is maintained by Oded Gabbay. Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-04Add CREDITS entry for Shaohua LiJens Axboe
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-12-03MAINTAINERS: update entry for MMP platformLubomir Rintel
Move Eric Miao and Haojian Zhuang over to CREDITS, since they're AWOL for some time already. The git trees have gone away too. I'm adding myself as a reviewer. I'd like to be Cc'd on patches and will be able to test them, but I don't possess a data sheet thus there might be things I'll be unable to review. Hence the Odd-Fixes status. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Olof Johansson <olof@lixom.net>
2018-11-25MAINTAINERS: change Sparse's maintainerLuc Van Oostenryck
I'm taking over the maintainance of Sparse so add myself as maintainer and move Christopher's info to CREDITS. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-11-18MAINTAINERS: update OMAP MMC entryAaro Koskinen
Jarkko's e-mail address hasn't worked for a long time. We still want to keep this driver working as it is critical for some of the OMAP boards. I use and test this driver frequently, so change myself as a maintainer with "Odd Fixes" status. Link: http://lkml.kernel.org/r/20181106222750.12939-1-aaro.koskinen@iki.fi Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-08-179p: remove Ron Minnich from MAINTAINERSDominique Martinet
Ron Minnich has left Sandia in 2011, and has not been involved in any 9p commit in recent years. Also add a CREDITS entry to record his contributions. Link: http://lkml.kernel.org/r/1534486244-1055-1-git-send-email-asmadeus@codewreck.org Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr> Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Ron Minnich <rminnich@sandia.gov> Cc: Ronald G. Minnich <rminnich@gmail.com> Cc: Latchesar Ionkov <lucho@ionkov.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-03-05MAINTAINERS/CREDITS: Drop METAG ARCHITECTUREJames Hogan
The core Meta architecture support has now been removed, so drop the MAINTAINERS entry and add an entry to CREDITS. Signed-off-by: James Hogan <jhogan@kernel.org> Cc: linux-metag@vger.kernel.org
2017-11-09MAINTAINERS: update TPM driver infrastructure changesJarkko Sakkinen
[akpm@linux-foundation.org: alpha-sort CREDITS, per Randy] Link: http://lkml.kernel.org/r/20170915223811.21368-1-jarkko.sakkinen@linux.intel.com Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Cc: Marcel Selhorst <tpmdd@selhorst.net> Cc: Ashley Lai <ashleydlai@gmail.com> Cc: Mimi Zohar <zohar@linux.vnet.ibm.com> Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Borislav Petkov <bp@suse.de> Cc: Håvard Skinnemoen <hskinnemoen@gmail.com> Cc: Martin Kepplinger <martink@posteo.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Gertjan van Wingerde <gwingerde@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: David S. Miller <davem@davemloft.net> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-09-12Merge tag 'selinux-pr-20170831' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux Pull selinux updates from Paul Moore: "A relatively quiet period for SELinux, 11 patches with only two/three having any substantive changes. These noteworthy changes include another tweak to the NNP/nosuid handling, per-file labeling for cgroups, and an object class fix for AF_UNIX/SOCK_RAW sockets; the rest of the changes are minor tweaks or administrative updates (Stephen's email update explains the file explosion in the diffstat). Everything passes the selinux-testsuite" [ Also a couple of small patches from the security tree from Tetsuo Handa for Tomoyo and LSM cleanup. The separation of security policy updates wasn't all that clean - Linus ] * tag 'selinux-pr-20170831' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux: selinux: constify nf_hook_ops selinux: allow per-file labeling for cgroupfs lsm_audit: update my email address selinux: update my email address MAINTAINERS: update the NetLabel and Labeled Networking information selinux: use GFP_NOWAIT in the AVC kmem_caches selinux: Generalize support for NNP/nosuid SELinux domain transitions selinux: genheaders should fail if too many permissions are defined selinux: update the selinux info in MAINTAINERS credits: update Paul Moore's info selinux: Assign proper class to PF_UNIX/SOCK_RAW sockets tomoyo: Update URLs in Documentation/admin-guide/LSM/tomoyo.rst LSM: Remove security_task_create() hook.
2017-09-01PCI: Fix typos and whitespace errorsBjorn Helgaas
Fix various typos and whitespace errors: s/Synopsis/Synopsys/ s/Designware/DesignWare/ s/Keystine/Keystone/ s/gpio/GPIO/ s/pcie/PCIe/ s/phy/PHY/ s/confgiruation/configuration/ No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-07-25credits: update Paul Moore's infoPaul Moore
This info is hilariously out of date, let's pick something that will hopefully be less transient. Signed-off-by: Paul Moore <paul@paul-moore.com>
2017-05-01avr32: remove support for AVR32 architectureHans-Christian Noren Egtvedt
This patch drops support for AVR32 architecture from the Linux kernel. The AVR32 architecture is not keeping up with the development of the kernel, and since it shares so much of the drivers with Atmel ARM SoC, it is starting to hinder these drivers to develop swiftly. Also, all AVR32 AP7 SoC processors are end of lifed from Atmel (now Microchip). Finally, the GCC toolchain is stuck at version 4.2.x, and has not received any patches since the last release from Atmel; 4.2.4-atmel.1.1.3.avr32linux.1. When building kernel v4.10, this toolchain is no longer able to properly link the network stack. Haavard and I have came to the conclusion that we feel keeping AVR32 on life support offers more obstacles for Atmel ARMs, than it gives joy to AVR32 users. I also suspect there are very few AVR32 users left today, if anybody at all. Signed-off-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no> Signed-off-by: Håvard Skinnemoen <hskinnemoen@gmail.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
2017-02-13MAINTAINERS: Remove old e-mail addressArnaldo Carvalho de Melo
The ghostprotocols.net domain is not working, remove it from CREDITS and MAINTAINERS, and change the status to "Odd fixes", and since I haven't been maintaining those, remove my address from there. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-21CREDITS: Remove outdated address informationGertjan van Wingerde
This address hasn't been accurate for several years now. Simply remove it. Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-12Merge branch 'x86-microcode-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 microcode update from Ingo Molnar: "The biggest change (by Borislav Petkov) is a thorough rewrite of the Intel microcode loader and its interactions with the core code. The biggest conceptual change is the decoupling of the microcode loading on boot and application processors (which load the microcode in different scenarios), so that both parse the input patches with as few assumptions as possible - this also fixes various kernel address space randomization bugs. (The AP side then goes on and caches the result to improve boot performance.) Since the AMD side already did this, this change also opened up the path towards more unification/simplification of the core microcode loading infrastructure: 10 files changed, 647 insertions(+), 940 deletions(-) which speaks for itself" * 'x86-microcode-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Bump driver version, update copyrights x86/microcode: Rework microcode loading x86/microcode/intel: Remove intel_lib.c x86/microcode/amd: Move private inlines to .c and mark local functions static x86/microcode: Collect CPU info on resume x86/microcode: Issue the debug printk on resume only on success x86/microcode/amd: Hand down the CPU family x86/microcode: Export the microcode cache linked list x86/microcode: Remove one #ifdef clause x86/microcode/intel: Simplify generic_load_microcode() x86/microcode: Move driver authors to CREDITS x86/microcode: Run the AP-loading routine only on the application processors
2016-12-02Fix up a couple of field names in the CREDITS fileLinus Torvalds
Ozgur Karatas reported that the very first entry in the CREDITS file had the wrong tag for name (M: instead of N: - it happened when moving the entry from the MAINTAINERS file, where 'M:' stands for "Maintainer"). And when I went looking, I found a couple of other cases of wrong tagging too. Reported-by: Ozgur Karatas <mueddib@yandex.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:05:20 +0000