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2023-03-21crypto: ccp - Name -1 return value as SEV_RET_NO_FW_CALLPeter Gonda
The PSP can return a "firmware error" code of -1 in circumstances where the PSP has not actually been called. To make this protocol unambiguous, name the value SEV_RET_NO_FW_CALL. [ bp: Massage a bit. ] Signed-off-by: Peter Gonda <pgonda@google.com> Signed-off-by: Dionna Glaze <dionnaglaze@google.com> Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de> Link: https://lore.kernel.org/r/20221207010210.2563293-2-dionnaglaze@google.com
2023-03-20Merge 6.3-rc3 into char-misc-nextGreg Kroah-Hartman
We need the mainline fixes in this branch for testing and other subsystem changes to be based properly on. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-20Merge tag 'amd-drm-next-6.4-2023-03-17' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-6.4-2023-03-17: amdgpu: - Misc code cleanups - Documentation fixes - Make kobj structures const - Add thermal throttling adjustments for supported APUs - UMC RAS fixes - Display reset fixes - DCN 3.2 fixes - Freesync fixes - DC code reorg - Generalize dmabuf import to work with KFD - DC DML fixes - SRIOV fixes - UVD code cleanups - IH 4.4.2 updates - HDP 4.4.2 updates - SDMA 4.4.2 updates - PSP 13.0.6 updates - Add capped/uncapped workload handling for supported APUs - DCN 3.1.4 updates - Re-org DC Kconfig - USB4 fixes - Reorg DC plane and stream handling - Register vga_switcheroo for apple-gmux - SMU 13.0.6 updates - Fix error checking in read_mm_registers functions for affected families - VCN 4.0.4 fix - Drop redundant pci_enable_pcie_error_reporting() call - RDNA2 SMU OD suspend/resume fix - Expose additional memory stats via fdinfo - RAS fixes - Misc display fixes - DP MST fixes - IOMMU regression fix for KFD amdkfd: - Make kobj structures const - Support for exporting buffers via dmabuf - Multi-VMA page migration fixes - NBIO fixes - Misc code cleanups - Fix possible double free - Fix possible UAF radeon: - iMac fix UAPI: - KFD dmabuf export support. Required for importing KFD buffers into GEM contexts and for RDMA P2P support. Proposed user mode changes: https://github.com/fxkamd/ROCT-Thunk-Interface/commits/fxkamd/dmabuf From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20230317164416.138340-1-alexander.deucher@amd.com
2023-03-20media: videodev.h: drop V4L2_FBUF_CAP_LIST/BITMAP_CLIPPINGHans Verkuil
These two capabilities are no longer supported, so no longer define them when compiling the kernel. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-03-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
net/wireless/nl80211.c b27f07c50a73 ("wifi: nl80211: fix puncturing bitmap policy") cbbaf2bb829b ("wifi: nl80211: add a command to enable/disable HW timestamping") https://lore.kernel.org/all/20230314105421.3608efae@canb.auug.org.au tools/testing/selftests/net/Makefile 62199e3f1658 ("selftests: net: Add VXLAN MDB test") 13715acf8ab5 ("selftest: Add test for bind() conflicts.") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-17Merge tag 'net-6.3-rc3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, wifi and ipsec. A little more changes than usual, but it's pretty normal for us that the rc3/rc4 PRs are oversized as people start testing in earnest. Possibly an extra boost from people deploying the 6.1 LTS but that's more of an unscientific hunch. Current release - regressions: - phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol() - virtio: vsock: don't use skbuff state to account credit - virtio: vsock: don't drop skbuff on copy failure - virtio_net: fix page_to_skb() miscalculating the memory size Current release - new code bugs: - eth: correct xdp_features after device reconfig - wifi: nl80211: fix the puncturing bitmap policy - net/mlx5e: flower: - fix raw counter initialization - fix missing error code - fix cloned flow attribute - ipa: - fix some register validity checks - fix a surprising number of bad offsets - kill FILT_ROUT_CACHE_CFG IPA register Previous releases - regressions: - tcp: fix bind() conflict check for dual-stack wildcard address - veth: fix use after free in XDP_REDIRECT when skb headroom is small - ipv4: fix incorrect table ID in IOCTL path - ipvlan: make skb->skb_iif track skb->dev for l3s mode - mptcp: - fix possible deadlock in subflow_error_report - fix UaFs when destroying unaccepted and listening sockets - dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290 Previous releases - always broken: - tcp: tcp_make_synack() can be called from process context, don't assume preemption is disabled when updating stats - netfilter: correct length for loading protocol registers - virtio_net: add checking sq is full inside xdp xmit - bonding: restore IFF_MASTER/SLAVE flags on bond enslave Ethertype change - phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number - eth: i40e: fix crash during reboot when adapter is in recovery mode - eth: ice: avoid deadlock on rtnl lock when auxiliary device plug/unplug meets bonding - dsa: mt7530: - remove now incorrect comment regarding port 5 - set PLL frequency and trgmii only when trgmii is used - eth: mtk_eth_soc: reset PCS state when changing interface types Misc: - ynl: another license adjustment - move the TCA_EXT_WARN_MSG attribute for tc action" * tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits) selftests: bonding: add tests for ether type changes bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails bonding: restore IFF_MASTER/SLAVE flags on bond enslave ether type change net: renesas: rswitch: Fix GWTSDIE register handling net: renesas: rswitch: Fix the output value of quote from rswitch_rx() ethernet: sun: add check for the mdesc_grab() net: ipa: fix some register validity checks net: ipa: kill FILT_ROUT_CACHE_CFG IPA register net: ipa: add two missing declarations net: ipa: reg: include <linux/bug.h> net: xdp: don't call notifiers during driver init net/sched: act_api: add specific EXT_WARN_MSG for tc action Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy" net: dsa: microchip: fix RGMII delay configuration on KSZ8765/KSZ8794/KSZ8795 ynl: make the tooling check the license ynl: broaden the license even more tools: ynl: make definitions optional again hsr: ratelimit only when errors are printed qed/qed_mng_tlv: correctly zero out ->min instead of ->hour selftests: net: devlink_port_split.py: skip test if no suitable device available ...
2023-03-17vxlan: mdb: Add MDB control path supportIdo Schimmel
Implement MDB control path support, enabling the creation, deletion, replacement and dumping of MDB entries in a similar fashion to the bridge driver. Unlike the bridge driver, each entry stores a list of remote VTEPs to which matched packets need to be replicated to and not a list of bridge ports. The motivating use case is the installation of MDB entries by a user space control plane in response to received EVPN routes. As such, only allow permanent MDB entries to be installed and do not implement snooping functionality, avoiding a lot of unnecessary complexity. Since entries can only be modified by user space under RTNL, use RTNL as the write lock. Use RCU to ensure that MDB entries and remotes are not freed while being accessed from the data path during transmission. In terms of uAPI, reuse the existing MDB netlink interface, but add a few new attributes to request and response messages: * IP address of the destination VXLAN tunnel endpoint where the multicast receivers reside. * UDP destination port number to use to connect to the remote VXLAN tunnel endpoint. * VXLAN VNI Network Identifier to use to connect to the remote VXLAN tunnel endpoint. Required when Ingress Replication (IR) is used and the remote VTEP is not a member of originating broadcast domain (VLAN/VNI) [1]. * Source VNI Network Identifier the MDB entry belongs to. Used only when the VXLAN device is in external mode. * Interface index of the outgoing interface to reach the remote VXLAN tunnel endpoint. This is required when the underlay destination IP is multicast (P2MP), as the multicast routing tables are not consulted. All the new attributes are added under the 'MDBA_SET_ENTRY_ATTRS' nest which is strictly validated by the bridge driver, thereby automatically rejecting the new attributes. [1] https://datatracker.ietf.org/doc/html/draft-ietf-bess-evpn-irb-mcast#section-3.2.2 Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-03-16net/sched: act_api: add specific EXT_WARN_MSG for tc actionHangbin Liu
In my previous commit 0349b8779cc9 ("sched: add new attr TCA_EXT_WARN_MSG to report tc extact message") I didn't notice the tc action use different enum with filter. So we can't use TCA_EXT_WARN_MSG directly for tc action. Let's add a TCA_ROOT_EXT_WARN_MSG for tc action specifically and put this param before going to the TCA_ACT_TAB nest. Fixes: 0349b8779cc9 ("sched: add new attr TCA_EXT_WARN_MSG to report tc extact message") Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-16ynl: broaden the license even moreJakub Kicinski
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 <chuck.lever@oracle.com> Fixes: 37d9df224d1e ("ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause") Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-16KVM: x86: Remove the KVM_GET_NR_MMU_PAGES ioctlThomas Huth
The KVM_GET_NR_MMU_PAGES ioctl is quite questionable on 64-bit hosts since it fails to return the full 64 bits of the value that can be set with the corresponding KVM_SET_NR_MMU_PAGES call. Its "long" return value is truncated into an "int" in the kvm_arch_vm_ioctl() function. Since this ioctl also never has been used by userspace applications (QEMU, Google's internal VMM, kvmtool and CrosVM have been checked), it's likely the best if we remove this badly designed ioctl before anybody really tries to use it. Signed-off-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Sean Christopherson <seanjc@google.com> Message-Id: <20230208140105.655814-4-thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2023-03-16platform/x86: ISST: Add SST-TF support via TPMISrinivas Pandruvada
The support of Intel Speed Select Technology - Turbo Frequency (SST-TF) feature enables the ability to set different “All core turbo ratio limits” to cores based on the priority. By using this feature, some cores can be configured to get higher turbo frequency by designating them as high priority at the cost of lower or no turbo frequency on the low priority cores. One new IOCTLs are added: ISST_IF_GET_TURBO_FREQ_INFO : Get information about turbo frequency buckets Once an instance is identified, read or write from correct MMIO offset for a given field as defined in the specification. For details on SST-TF operations using intel-speed-selet utility, refer to: Documentation/admin-guide/pm/intel-speed-select.rst under the kernel documentation Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Pragya Tanwar <pragya.tanwar@intel.com> Link: https://lore.kernel.org/r/20230308070642.1727167-8-srinivas.pandruvada@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-03-16platform/x86: ISST: Add SST-PP support via TPMISrinivas Pandruvada
This Intel Speed Select Technology - Performance Profile (SST-PP) feature introduces a mechanism that allows multiple optimized performance profiles per system. Each profile defines a set of CPUs that need to be online and rest offline to sustain a guaranteed base frequency. Five new IOCTLs are added: ISST_IF_PERF_LEVELS : Get number of performance levels ISST_IF_PERF_SET_LEVEL : Set to a new performance level ISST_IF_PERF_SET_FEATURE : Activate SST-BF/SST-TF for a performance level ISST_IF_GET_PERF_LEVEL_INFO : Get parameters for a performance level ISST_IF_GET_PERF_LEVEL_CPU_MASK : Get CPU mask for a performance level Once an instance is identified, read or write from correct MMIO offset for a given field as defined in the specification. For details on SST PP operations using intel-speed-selet utility, refer to: Documentation/admin-guide/pm/intel-speed-select.rst under the kernel documentation Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Pragya Tanwar <pragya.tanwar@intel.com> Link: https://lore.kernel.org/r/20230308070642.1727167-6-srinivas.pandruvada@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-03-16platform/x86: ISST: Add SST-CP support via TPMISrinivas Pandruvada
Intel Speed Select Technology Core Power (SST-CP) is an interface that allows users to define per core priority. This defines a mechanism to distribute power among cores when there is a power constrained scenario. This defines a class of service (CLOS) configuration. Three new IOCTLs are added: ISST_IF_CORE_POWER_STATE : Enable/Disable SST-CP ISST_IF_CLOS_PARAM : Configure CLOS parameters ISST_IF_CLOS_ASSOC : Associate CPUs to a CLOS To associate CPUs to CLOS, either Linux CPU numbering or PUNIT numbering scheme can be used, using parameter punit_cpu_map (1: for PUNIT numbering 0 for Linux CPU number). There is no change to IOCTL to get PUNIT CPU number for a CPU. Introduce get_instance() function, which is used by majority of IOCTLs processing to convert a socket and power domain to tpmi_per_power_domain_info * instance. This instance has all the MMIO offsets stored to read a particular field. Once an instance is identified, read or write from correct MMIO offset for a given field as defined in the specification. For details on SST CP operations using intel-speed-selet utility, refer to: Documentation/admin-guide/pm/intel-speed-select.rst under the kernel documentation Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Pragya Tanwar <pragya.tanwar@intel.com> Link: https://lore.kernel.org/r/20230308070642.1727167-5-srinivas.pandruvada@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-03-16platform/x86: ISST: Enumerate TPMI SST and create frameworkSrinivas Pandruvada
Enumerate TPMI SST driver and create basic framework to add more features. The basic user space interface is still same as the legacy using /dev/isst_interface. Users of "intel-speed-select" utility should be able to use same commands as prior gens without being aware of new underlying hardware interface. TPMI SST driver enumerates on device "intel_vsec.tpmi-sst". Since there can be multiple instances and there is one common SST core, split implementation into two parts: A common core part and an enumeration part. The enumeration driver is loaded for each device instance and register with the TPMI SST core driver. On very first enumeration the TPMI SST core driver register with SST core driver to get IOCTL callbacks. The api_version is incremented for IOCTL ISST_IF_GET_PLATFORM_INFO, so that user space can issue new IOCTLs. Each TPMI package contains multiple power domains. Each power domain has its own set of SST controls. For each domain map the MMIO memory and update per domain struct tpmi_per_power_domain_info. This information will be used to implement other SST interfaces. Implement first IOCTL commands to get number of TPMI SST instances and instance mask as some of the power domains may not have any SST controls. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Pragya Tanwar <pragya.tanwar@intel.com> Link: https://lore.kernel.org/r/20230308070642.1727167-3-srinivas.pandruvada@linux.intel.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2023-03-13bpf: use canonical ftrace pathRoss Zwisler
The canonical location for the tracefs filesystem is at /sys/kernel/tracing. But, from Documentation/trace/ftrace.rst: Before 4.1, all ftrace tracing control files were within the debugfs file system, which is typically located at /sys/kernel/debug/tracing. For backward compatibility, when mounting the debugfs file system, the tracefs file system will be automatically mounted at: /sys/kernel/debug/tracing Many comments and samples in the bpf code still refer to this older debugfs path, so let's update them to avoid confusion. There are a few spots where the bpf code explicitly checks both tracefs and debugfs (tools/bpf/bpftool/tracelog.c and tools/lib/api/fs/fs.c) and I've left those alone so that the tools can continue to work with both paths. Signed-off-by: Ross Zwisler <zwisler@google.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> Link: https://lore.kernel.org/r/20230313205628.1058720-2-zwisler@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-13net: virtio_net: implement exact header length guest featureJiri Pirko
Virtio spec introduced a feature VIRTIO_NET_F_GUEST_HDRLEN which when set implicates that device benefits from knowing the exact size of the header. For compatibility, to signal to the device that the header is reliable driver also needs to set this feature. Without this feature set by driver, device has to figure out the header size itself. Quoting the original virtio spec: "hdr_len is a hint to the device as to how much of the header needs to be kept to copy into each packet" "a hint" might not be clear for the reader what does it mean, if it is "maybe like that" of "exactly like that". This feature just makes it crystal clear and let the device count on the hdr_len being filled up by the exact length of header. Also note the spec already has following note about hdr_len: "Due to various bugs in implementations, this field is not useful as a guarantee of the transport header size." Without this feature the device needs to parse the header in core data path handling. Accurate information helps the device to eliminate such header parsing and directly use the hardware accelerators for GSO operation. virtio_net_hdr_from_skb() fills up hdr_len to skb_headlen(skb). The driver already complies to fill the correct value. Introduce the feature and advertise it. Note that virtio spec also includes following note for device implementation: "Caution should be taken by the implementation so as to prevent a malicious driver from attacking the device by setting an incorrect hdr_len." There is a plan to support this feature in our emulated device. A device of SolidRun offers this feature bit. They claim this feature will save the device a few cycles for every GSO packet. Link: https://docs.oasis-open.org/virtio/virtio/v1.2/cs01/virtio-v1.2-cs01.html#x1-230006x3 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Parav Pandit <parav@nvidia.com> Reviewed-by: Alvaro Karsz <alvaro.karsz@solid-run.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Link: https://lore.kernel.org/r/20230309094559.917857-1-jiri@resnulli.us Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-10xdp: add xdp_set_features_flag utility routineLorenzo Bianconi
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 <shayagr@amazon.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-10Merge tag 'wireless-next-2023-03-10' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Johannes Berg says: ==================== wireless-next patches for 6.4 Major changes: cfg80211 * 6 GHz improvements * HW timestamping support * support for randomized auth/deauth TA for PASN privacy (also for mac80211) mac80211 * radiotap TLV and EHT support for the iwlwifi sniffer * HW timestamping support * per-link debugfs for multi-link brcmfmac * support for Apple (M1 Pro/Max) devices iwlwifi * support for a few new devices * EHT sniffer support rtw88 * better support for some SDIO devices (e.g. MAC address from efuse) rtw89 * HW scan support for 8852b * better support for 6 GHz scanning * tag 'wireless-next-2023-03-10' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (84 commits) wifi: iwlwifi: mvm: fix EOF bit reporting wifi: iwlwifi: Do not include radiotap EHT user info if not needed wifi: iwlwifi: mvm: add EHT RU allocation to radiotap wifi: iwlwifi: Update logs for yoyo reset sw changes wifi: iwlwifi: mvm: clean up duplicated defines wifi: iwlwifi: rs-fw: break out for unsupported bandwidth wifi: iwlwifi: Add support for B step of BnJ-Fm4 wifi: iwlwifi: mvm: make flush code a bit clearer wifi: iwlwifi: mvm: avoid UB shift of snif_queue wifi: iwlwifi: mvm: add primary 80 known for EHT radiotap wifi: iwlwifi: mvm: parse FW frame metadata for EHT sniffer mode wifi: iwlwifi: mvm: decode USIG_B1_B7 RU to nl80211 RU width wifi: iwlwifi: mvm: rename define to generic name wifi: iwlwifi: mvm: allow Microsoft to use TAS wifi: iwlwifi: mvm: add all EHT based on data0 info from HW wifi: iwlwifi: mvm: add EHT radiotap info based on rate_n_flags wifi: iwlwifi: mvm: add an helper function radiotap TLVs wifi: radiotap: separate vendor TLV into header/content wifi: iwlwifi: reduce verbosity of some logging events wifi: iwlwifi: Adding the code to get RF name for MsP device ... ==================== Link: https://lore.kernel.org/r/20230310120159.36518-1-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-10pktcdvd: Remove CONFIG_CDROM_PKTCDVD_WCACHE from uapi headerThomas Huth
CONFIG_* switches should not be exposed in uapi headers, thus let's get rid of the USE_WCACHING macro here (which was also named way to generic) and integrate the logic directly in the only function that needs it. Suggested-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-03-10Move bp_type_idx to include/linux/hw_breakpoint.hPalmer Dabbelt
This has a "#ifdef CONFIG_*" that used to be exposed to userspace. The names in here are so generic that I don't think it's a good idea to expose them to userspace (or even the rest of the kernel). There are multiple in-kernel users, so it's been moved to a kernel header file. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu> Reviewed-by: Albert Ou <aou@eecs.berkeley.edu> Message-Id: <1447119071-19392-10-git-send-email-palmer@dabbelt.com> [thuth: Remove it also from tools/include/uapi/linux/hw_breakpoint.h] Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-03-10Move ep_take_care_of_epollwakeup() to fs/eventpoll.cPalmer Dabbelt
This doesn't make any sense to expose to userspace, so it's been moved to the one user. This was introduced by commit 95f19f658ce1 ("epoll: drop EPOLLWAKEUP if PM_SLEEP is disabled"). Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu> Reviewed-by: Albert Ou <aou@eecs.berkeley.edu> Message-Id: <1447119071-19392-7-git-send-email-palmer@dabbelt.com> [thuth: Rebased to fix contextual conflicts] Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-03-10Move COMPAT_ATM_ADDPARTY to net/atm/svc.cPalmer Dabbelt
This used to be behind an #ifdef COMPAT_COMPAT, so most of userspace wouldn't have seen the definition before. Unfortunately this header file became visible to userspace, so the definition has instead been moved to net/atm/svc.c (the only user). Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu> Reviewed-by: Albert Ou <aou@eecs.berkeley.edu> Message-Id: <1447119071-19392-4-git-send-email-palmer@dabbelt.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-03-10Merge tag 'for-6.3-rc1-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "First batch of fixes. Among them there are two updates to sysfs and ioctl which are not strictly fixes but are used for testing so there's no reason to delay them. - fix block group item corruption after inserting new block group - fix extent map logging bit not cleared for split maps after dropping range - fix calculation of unusable block group space reporting bogus values due to 32/64b division - fix unnecessary increment of read error stat on write error - improve error handling in inode update - export per-device fsid in DEV_INFO ioctl to distinguish seeding devices, needed for testing - allocator size classes: - fix potential dead lock in size class loading logic - print sysfs stats for the allocation classes" * tag 'for-6.3-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: fix block group item corruption after inserting new block group btrfs: fix extent map logging bit not cleared for split maps after dropping range btrfs: fix percent calculation for bg reclaim message btrfs: fix unnecessary increment of read error stat on write error btrfs: handle btrfs_del_item errors in __btrfs_update_delayed_inode btrfs: ioctl: return device fsid from DEV_INFO ioctl btrfs: fix potential dead lock in size class loading logic btrfs: sysfs: add size class stats
2023-03-09Merge branch 'main' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next Florian Westphal says: ==================== Netfilter updates for net-next 1. nf_tables 'brouting' support, from Sriram Yagnaraman. 2. Update bridge netfilter and ovs conntrack helpers to handle IPv6 Jumbo packets properly, i.e. fetch the packet length from hop-by-hop extension header, from Xin Long. This comes with a test BIG TCP test case, added to tools/testing/selftests/net/. 3. Fix spelling and indentation in conntrack, from Jeremy Sowden. * 'main' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next: netfilter: nat: fix indentation of function arguments netfilter: conntrack: fix typo selftests: add a selftest for big tcp netfilter: use nf_ip6_check_hbh_len in nf_ct_skb_network_trim netfilter: move br_nf_check_hbh_len to utils netfilter: bridge: move pskb_trim_rcsum out of br_nf_check_hbh_len netfilter: bridge: check len before accessing more nh data netfilter: bridge: call pskb_may_pull in br_nf_check_hbh_len netfilter: bridge: introduce broute meta statement ==================== Link: https://lore.kernel.org/r/20230308193033.13965-1-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Documentation/bpf/bpf_devel_QA.rst b7abcd9c656b ("bpf, doc: Link to submitting-patches.rst for general patch submission info") d56b0c461d19 ("bpf, docs: Fix link to netdev-FAQ target") https://lore.kernel.org/all/20230307095812.236eb1be@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-09bpf: Fix a typo for BPF_F_ANY_ALIGNMENT in bpf.hMichael Weiß
Fix s/BPF_PROF_LOAD/BPF_PROG_LOAD/ typo in the documentation comment for BPF_F_ANY_ALIGNMENT in bpf.h. Signed-off-by: Michael Weiß <michael.weiss@aisec.fraunhofer.de> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20230309133823.944097-1-michael.weiss@aisec.fraunhofer.de
2023-03-09Merge tag 'net-6.3-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from netfilter and bpf. Current release - regressions: - core: avoid skb end_offset change in __skb_unclone_keeptruesize() - sched: - act_connmark: handle errno on tcf_idr_check_alloc - flower: fix fl_change() error recovery path - ieee802154: prevent user from crashing the host Current release - new code bugs: - eth: bnxt_en: fix the double free during device removal - tools: ynl: - fix enum-as-flags in the generic CLI - fully inherit attrs in subsets - re-license uniformly under GPL-2.0 or BSD-3-clause Previous releases - regressions: - core: use indirect calls helpers for sk_exit_memory_pressure() - tls: - fix return value for async crypto - avoid hanging tasks on the tx_lock - eth: ice: copy last block omitted in ice_get_module_eeprom() Previous releases - always broken: - core: avoid double iput when sock_alloc_file fails - af_unix: fix struct pid leaks in OOB support - tls: - fix possible race condition - fix device-offloaded sendpage straddling records - bpf: - sockmap: fix an infinite loop error - test_run: fix &xdp_frame misplacement for LIVE_FRAMES - fix resolving BTF_KIND_VAR after ARRAY, STRUCT, UNION, PTR - netfilter: tproxy: fix deadlock due to missing BH disable - phylib: get rid of unnecessary locking - eth: bgmac: fix *initial* chip reset to support BCM5358 - eth: nfp: fix csum for ipsec offload - eth: mtk_eth_soc: fix RX data corruption issue Misc: - usb: qmi_wwan: add telit 0x1080 composition" * tag 'net-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits) tools: ynl: fix enum-as-flags in the generic CLI tools: ynl: move the enum classes to shared code net: avoid double iput when sock_alloc_file fails af_unix: fix struct pid leaks in OOB support eth: fealnx: bring back this old driver net: dsa: mt7530: permit port 5 to work without port 6 on MT7621 SoC net: microchip: sparx5: fix deletion of existing DSCP mappings octeontx2-af: Unlock contexts in the queue context cache in case of fault detection net/smc: fix fallback failed while sendmsg with fastopen ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause mailmap: update entries for Stephen Hemminger mailmap: add entry for Maxim Mikityanskiy nfc: change order inside nfc_se_io error path ethernet: ice: avoid gcc-9 integer overflow warning ice: don't ignore return codes in VSI related code ice: Fix DSCP PFC TLV creation net: usb: qmi_wwan: add Telit 0x1080 composition net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990 netfilter: conntrack: adopt safer max chain length net: tls: fix device-offloaded sendpage straddling records ...
2023-03-09char: pcmcia: remove all the driversJiri Slaby
These char PCMCIA drivers are buggy[1] and receive only minimal care. It was concluded[2], that we should try to remove most pcmcia drivers completely. Let's start with these char broken one. Note that I also removed a UAPI header: include/uapi/linux/cm4000_cs.h. I found only coccinelle tests mentioning some ioctl constants from that file. But they are not actually used. Anyway, should someone complain, we may reintroduce the header (or its parts). [1] https://lore.kernel.org/all/f41c2765-80e0-48bc-b1e4-8cfd3230fd4a@www.fastmail.com/ [2] https://lore.kernel.org/all/c5b39544-a4fb-4796-a046-0b9be9853787@app.fastmail.com/ Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org> Cc: "Hyunwoo Kim" <imv4bel@gmail.com> Cc: Harald Welte <laforge@gnumonks.org> Cc: Lubomir Rintel <lkundrak@v3.sk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20230222092302.6348-2-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-09sctp: add weighted fair queueing stream schedulerXin Long
As it says in rfc8260#section-3.6 about the weighted fair queueing scheduler: A Weighted Fair Queueing scheduler between the streams is used. The weight is configurable per outgoing SCTP stream. This scheduler considers the lengths of the messages of each stream and schedules them in a specific way to use the capacity according to the given weights. If the weight of stream S1 is n times the weight of stream S2, the scheduler should assign to stream S1 n times the capacity it assigns to stream S2. The details are implementation dependent. Interleaving user messages allows for a better realization of the capacity usage according to the given weights. This patch adds Weighted Fair Queueing Scheduler actually based on the code of Fair Capacity Scheduler by adding fc_weight into struct sctp_stream_out_ext and taking it into account when sorting stream-> fc_list in sctp_sched_fc_sched() and sctp_sched_fc_dequeue_done(). Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-03-09sctp: add fair capacity stream schedulerXin Long
As it says in rfc8260#section-3.5 about the fair capacity scheduler: A fair capacity distribution between the streams is used. This scheduler considers the lengths of the messages of each stream and schedules them in a specific way to maintain an equal capacity for all streams. The details are implementation dependent. interleaving user messages allows for a better realization of the fair capacity usage. This patch adds Fair Capacity Scheduler based on the foundations added by commit 5bbbbe32a431 ("sctp: introduce stream scheduler foundations"): A fc_list and a fc_length are added into struct sctp_stream_out_ext and a fc_list is added into struct sctp_stream. In .enqueue, when there are chunks enqueued into a stream, this stream will be linked into stream-> fc_list by its fc_list ordered by its fc_length. In .dequeue, it always picks up the 1st skb from stream->fc_list. In .dequeue_done, fc_length is increased by chunk's len and update its location in stream->fc_list according to the its new fc_length. Note that when the new fc_length overflows in .dequeue_done, instead of resetting all fc_lengths to 0, we only reduced them by U32_MAX / 4 to avoid a moment of imbalance in the scheduling, as Marcelo suggested. Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-03-08bpf: implement numbers iteratorAndrii Nakryiko
Implement the first open-coded iterator type over a range of integers. It's public API consists of: - bpf_iter_num_new() constructor, which accepts [start, end) range (that is, start is inclusive, end is exclusive). - bpf_iter_num_next() which will keep returning read-only pointer to int until the range is exhausted, at which point NULL will be returned. If bpf_iter_num_next() is kept calling after this, NULL will be persistently returned. - bpf_iter_num_destroy() destructor, which needs to be called at some point to clean up iterator state. BPF verifier enforces that iterator destructor is called at some point before BPF program exits. Note that `start = end = X` is a valid combination to setup an empty iterator. bpf_iter_num_new() will return 0 (success) for any such combination. If bpf_iter_num_new() detects invalid combination of input arguments, it returns error, resets iterator state to, effectively, empty iterator, so any subsequent call to bpf_iter_num_next() will keep returning NULL. BPF verifier has no knowledge that returned integers are in the [start, end) value range, as both `start` and `end` are not statically known and enforced: they are runtime values. While the implementation is pretty trivial, some care needs to be taken to avoid overflows and underflows. Subsequent selftests will validate correctness of [start, end) semantics, especially around extremes (INT_MIN and INT_MAX). Similarly to bpf_loop(), we enforce that no more than BPF_MAX_LOOPS can be specified. bpf_iter_num_{new,next,destroy}() is a logical evolution from bounded BPF loops and bpf_loop() helper and is the basis for implementing ergonomic BPF loops with no statically known or verified bounds. Subsequent patches implement bpf_for() macro, demonstrating how this can be wrapped into something that works and feels like a normal for() loop in C language. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20230308184121.1165081-5-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-08netfilter: bridge: introduce broute meta statementSriram Yagnaraman
nftables equivalent for ebtables -t broute. Implement broute meta statement to set br_netfilter_broute flag in skb to force a packet to be routed instead of being bridged. Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech> Signed-off-by: Florian Westphal <fw@strlen.de>
2023-03-07ynl: re-license uniformly under GPL-2.0 OR BSD-3-ClauseJakub Kicinski
I was intending to make all the Netlink Spec code BSD-3-Clause to ease the adoption but it appears that: - I fumbled the uAPI and used "GPL WITH uAPI note" there - it gives people pause as they expect GPL in the kernel As suggested by Chuck re-license under dual. This gives us benefit of full BSD freedom while fulfilling the broad "kernel is under GPL" expectations. Link: https://lore.kernel.org/all/20230304120108.05dd44c5@kernel.org/ Link: https://lore.kernel.org/r/20230306200457.3903854-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-07wifi: nl80211: Add support for randomizing TA of auth and deauth framesVeerendranath Jakkam
Add support to use a random local address in authentication and deauthentication frames sent to unassociated peer when the driver supports. The driver needs to configure receive behavior to accept frames with random transmit address specified in TX path authentication frames during the time of the frame exchange is pending and such frames need to be acknowledged similarly to frames sent to the local permanent address when this random address functionality is used. This capability allows use of randomized transmit address for PASN authentication frames to improve privacy of WLAN clients. Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com> Link: https://lore.kernel.org/r/20230112012415.167556-2-quic_vjakkam@quicinc.com Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-07wifi: nl80211: add a command to enable/disable HW timestampingAvraham Stern
Add a command to enable and disable HW timestamping of TM and FTM frames. HW timestamping can be enabled for a specific mac address or for all addresses. The low level driver will indicate how many peers HW timestamping can be enabled concurrently, and this information will be passed to userspace. Signed-off-by: Avraham Stern <avraham.stern@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230301115906.05678d7b1c17.Iccc08869ea8156f1c71a3111a47f86dd56234bd0@changeid [switch to needing netdev UP, minor edits] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-07wifi: nl80211: Update the documentation of NL80211_SCAN_FLAG_COLOCATED_6GHZIlan Peer
Add a detailed description of NL80211_SCAN_FLAG_COLOCATED_6GHZ flag. Signed-off-by: Ilan Peer <ilan.peer@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230301115906.487ab04feb39.I5129fd61841332474693046241586f057b134c3c@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2023-03-06Merge tag 'for-netdev' of ↵Jakub Kicinski
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next Daniel Borkmann says: ==================== pull-request: bpf-next 2023-03-06 We've added 85 non-merge commits during the last 13 day(s) which contain a total of 131 files changed, 7102 insertions(+), 1792 deletions(-). The main changes are: 1) Add skb and XDP typed dynptrs which allow BPF programs for more ergonomic and less brittle iteration through data and variable-sized accesses, from Joanne Koong. 2) Bigger batch of BPF verifier improvements to prepare for upcoming BPF open-coded iterators allowing for less restrictive looping capabilities, from Andrii Nakryiko. 3) Rework RCU enforcement in the verifier, add kptr_rcu and enforce BPF programs to NULL-check before passing such pointers into kfunc, from Alexei Starovoitov. 4) Add support for kptrs in percpu hashmaps, percpu LRU hashmaps and in local storage maps, from Kumar Kartikeya Dwivedi. 5) Add BPF verifier support for ST instructions in convert_ctx_access() which will help new -mcpu=v4 clang flag to start emitting them, from Eduard Zingerman. 6) Make uprobe attachment Android APK aware by supporting attachment to functions inside ELF objects contained in APKs via function names, from Daniel Müller. 7) Add a new flag BPF_F_TIMER_ABS flag for bpf_timer_start() helper to start the timer with absolute expiration value instead of relative one, from Tero Kristo. 8) Add a new kfunc bpf_cgroup_from_id() to look up cgroups via id, from Tejun Heo. 9) Extend libbpf to support users manually attaching kprobes/uprobes in the legacy/perf/link mode, from Menglong Dong. 10) Implement workarounds in the mips BPF JIT for DADDI/R4000, from Jiaxun Yang. 11) Enable mixing bpf2bpf and tailcalls for the loongarch BPF JIT, from Hengqi Chen. 12) Extend BPF instruction set doc with describing the encoding of BPF instructions in terms of how bytes are stored under big/little endian, from Jose E. Marchesi. 13) Follow-up to enable kfunc support for riscv BPF JIT, from Pu Lehui. 14) Fix bpf_xdp_query() backwards compatibility on old kernels, from Yonghong Song. 15) Fix BPF selftest cross compilation with CLANG_CROSS_FLAGS, from Florent Revest. 16) Improve bpf_cpumask_ma to only allocate one bpf_mem_cache, from Hou Tao. 17) Fix BPF verifier's check_subprogs to not unnecessarily mark a subprogram with has_tail_call, from Ilya Leoshkevich. 18) Fix arm syscall regs spec in libbpf's bpf_tracing.h, from Puranjay Mohan. * tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (85 commits) selftests/bpf: Add test for legacy/perf kprobe/uprobe attach mode selftests/bpf: Split test_attach_probe into multi subtests libbpf: Add support to set kprobe/uprobe attach mode tools/resolve_btfids: Add /libsubcmd to .gitignore bpf: add support for fixed-size memory pointer returns for kfuncs bpf: generalize dynptr_get_spi to be usable for iters bpf: mark PTR_TO_MEM as non-null register type bpf: move kfunc_call_arg_meta higher in the file bpf: ensure that r0 is marked scratched after any function call bpf: fix visit_insn()'s detection of BPF_FUNC_timer_set_callback helper bpf: clean up visit_insn()'s instruction processing selftests/bpf: adjust log_fixup's buffer size for proper truncation bpf: honor env->test_state_freq flag in is_state_visited() selftests/bpf: enhance align selftest's expected log matching bpf: improve regsafe() checks for PTR_TO_{MEM,BUF,TP_BUFFER} bpf: improve stack slot state printing selftests/bpf: Disassembler tests for verifier.c:convert_ctx_access() selftests/bpf: test if pointer type is tracked for BPF_ST_MEM bpf: allow ctx writes using BPF_ST_MEM instruction bpf: Use separate RCU callbacks for freeing selem ... ==================== Link: https://lore.kernel.org/r/20230307004346.27578-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-03-06fs: dlm: remove deprecated code partsAlexander Aring
This patch removes code parts which was declared deprecated by commit 6b0afc0cc3e9 ("fs: dlm: don't use deprecated timeout features by default"). This contains the following dlm functionality: - start a cancel of a dlm request did not complete after certain timeout: The current way how dlm cancellation works and interfering with other dlm requests triggered by the user can end in an overlapping and returning in -EBUSY. The most user don't handle this case and are unaware that DLM can return such errno in such situation. Due the timeout the user are mostly unaware when this happens. - start a netlink warning messages for user space if dlm requests did not complete after certain timeout: This feature was never being built in the only known dlm user space side. As we are to remove the timeout cancellation feature we can directly remove this feature as well. There might be the possibility to bring the timeout cancellation feature back. However the current way of handling the -EBUSY case which is only a software limitation and not a hardware limitation should be changed. We minimize the current code base in DLM cancellation feature to not have to deal with those existing features while solving the DLM cancellation feature in general. UAPI define DLM_LSFL_TIMEWARN is commented as deprecated and reserved value. We should avoid at first to give it a new meaning but let possible users still compile by keeping this define. In far future we can give this flag a new meaning. The same for the DLM_LKF_TIMEOUT lock request flag. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
2023-03-06btrfs: ioctl: return device fsid from DEV_INFO ioctlQu Wenruo
Currently user space utilizes dev info ioctl to grab the info of a certain devid, this includes its device uuid. But the returned info is not enough to determine if a device is a seed. Commit a26d60dedf9a ("btrfs: sysfs: add devinfo/fsid to retrieve actual fsid from the device") exports the same value in sysfs so this is for parity with ioctl. Add a new member, fsid, into btrfs_ioctl_dev_info_args, and populate the member with fsid value. This should not cause any compatibility problem, following the combinations: - Old user space, old kernel - Old user space, new kernel User space tool won't even check the new member. - New user space, old kernel The kernel won't touch the new member, and user space tool should zero out its argument, thus the new member is all zero. User space tool can then know the kernel doesn't support this fsid reporting, and falls back to whatever they can. - New user space, new kernel Go as planned. Would find the fsid member is no longer zero, and trust its value. Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2023-03-03Merge tag 'block-6.3-2023-03-03' of git://git.kernel.dk/linuxLinus Torvalds
Pull block fixes from Jens Axboe: - NVMe pull request via Christoph: - Don't access released socket during error recovery (Akinobu Mita) - Bring back auto-removal of deleted namespaces during sequential scan (Christoph Hellwig) - Fix an error code in nvme_auth_process_dhchap_challenge (Dan Carpenter) - Show well known discovery name (Daniel Wagner) - Add a missing endianess conversion in effects masking (Keith Busch) - Fix for a regression introduced in blk-rq-qos during init in this merge window (Breno) - Reorder a few fields in struct blk_mq_tag_set, eliminating a few holes and shrinking it (Christophe) - Remove redundant bdev_get_queue() NULL checks (Juhyung) - Add sed-opal single user mode support flag (Luca) - Remove SQE128 check in ublk as it isn't needed, saving some memory (Ming) - Op specific segment checking for cloned requests (Uday) - Exclusive open partition scan fixes (Yu) - Loop offset/size checking before assigning them in the device (Zhong) - Bio polling fixes (me) * tag 'block-6.3-2023-03-03' of git://git.kernel.dk/linux: blk-mq: enforce op-specific segment limits in blk_insert_cloned_request nvme-fabrics: show well known discovery name nvme-tcp: don't access released socket during error recovery nvme-auth: fix an error code in nvme_auth_process_dhchap_challenge() nvme: bring back auto-removal of deleted namespaces during sequential scan blk-iocost: Pass gendisk to ioc_refresh_params nvme: fix sparse warning on effects masking block: be a bit more careful in checking for NULL bdev while polling block: clear bio->bi_bdev when putting a bio back in the cache loop: loop_set_status_from_info() check before assignment ublk: remove check IO_URING_F_SQE128 in ublk_ch_uring_cmd block: remove more NULL checks after bdev_get_queue() blk-mq: Reorder fields in 'struct blk_mq_tag_set' block: fix scan partition for exclusively open device again block: Revert "block: Do not reread partition table on exclusively open device" sed-opal: add support flag for SUM in status ioctl
2023-03-02bpf: Add support for absolute value BPF timersTero Kristo
Add a new flag BPF_F_TIMER_ABS that can be passed to bpf_timer_start() to start an absolute value timer instead of the default relative value. This makes the timer expire at an exact point in time, instead of a time with latencies induced by both the BPF and timer subsystems. Suggested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: Tero Kristo <tero.kristo@linux.intel.com> Link: https://lore.kernel.org/r/20230302114614.2985072-2-tero.kristo@linux.intel.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01bpf: Add bpf_dynptr_slice and bpf_dynptr_slice_rdwrJoanne Koong
Two new kfuncs are added, bpf_dynptr_slice and bpf_dynptr_slice_rdwr. The user must pass in a buffer to store the contents of the data slice if a direct pointer to the data cannot be obtained. For skb and xdp type dynptrs, these two APIs are the only way to obtain a data slice. However, for other types of dynptrs, there is no difference between bpf_dynptr_slice(_rdwr) and bpf_dynptr_data. For skb type dynptrs, the data is copied into the user provided buffer if any of the data is not in the linear portion of the skb. For xdp type dynptrs, the data is copied into the user provided buffer if the data is between xdp frags. If the skb is cloned and a call to bpf_dynptr_data_rdwr is made, then the skb will be uncloned (see bpf_unclone_prologue()). Please note that any bpf_dynptr_write() automatically invalidates any prior data slices of the skb dynptr. This is because the skb may be cloned or may need to pull its paged buffer into the head. As such, any bpf_dynptr_write() will automatically have its prior data slices invalidated, even if the write is to data in the skb head of an uncloned skb. Please note as well that any other helper calls that change the underlying packet buffer (eg bpf_skb_pull_data()) invalidates any data slices of the skb dynptr as well, for the same reasons. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Link: https://lore.kernel.org/r/20230301154953.641654-10-joannelkoong@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01bpf: Add xdp dynptrsJoanne Koong
Add xdp dynptrs, which are dynptrs whose underlying pointer points to a xdp_buff. The dynptr acts on xdp data. xdp dynptrs have two main benefits. One is that they allow operations on sizes that are not statically known at compile-time (eg variable-sized accesses). Another is that parsing the packet data through dynptrs (instead of through direct access of xdp->data and xdp->data_end) can be more ergonomic and less brittle (eg does not need manual if checking for being within bounds of data_end). For reads and writes on the dynptr, this includes reading/writing from/to and across fragments. Data slices through the bpf_dynptr_data API are not supported; instead bpf_dynptr_slice() and bpf_dynptr_slice_rdwr() should be used. For examples of how xdp dynptrs can be used, please see the attached selftests. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Link: https://lore.kernel.org/r/20230301154953.641654-9-joannelkoong@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01bpf: Add skb dynptrsJoanne Koong
Add skb dynptrs, which are dynptrs whose underlying pointer points to a skb. The dynptr acts on skb data. skb dynptrs have two main benefits. One is that they allow operations on sizes that are not statically known at compile-time (eg variable-sized accesses). Another is that parsing the packet data through dynptrs (instead of through direct access of skb->data and skb->data_end) can be more ergonomic and less brittle (eg does not need manual if checking for being within bounds of data_end). For bpf prog types that don't support writes on skb data, the dynptr is read-only (bpf_dynptr_write() will return an error) For reads and writes through the bpf_dynptr_read() and bpf_dynptr_write() interfaces, reading and writing from/to data in the head as well as from/to non-linear paged buffers is supported. Data slices through the bpf_dynptr_data API are not supported; instead bpf_dynptr_slice() and bpf_dynptr_slice_rdwr() (added in subsequent commit) should be used. For examples of how skb dynptrs can be used, please see the attached selftests. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Link: https://lore.kernel.org/r/20230301154953.641654-8-joannelkoong@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-03-01Merge tag 'loongarch-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch updates from Huacai Chen: - Make -mstrict-align configurable - Add kernel relocation and KASLR support - Add single kernel image implementation for kdump - Add hardware breakpoints/watchpoints support - Add kprobes/kretprobes/kprobes_on_ftrace support - Add LoongArch support for some selftests. * tag 'loongarch-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits) selftests/ftrace: Add LoongArch kprobe args string tests support selftests/seccomp: Add LoongArch selftesting support tools: Add LoongArch build infrastructure samples/kprobes: Add LoongArch support LoongArch: Mark some assembler symbols as non-kprobe-able LoongArch: Add kprobes on ftrace support LoongArch: Add kretprobes support LoongArch: Add kprobes support LoongArch: Simulate branch and PC* instructions LoongArch: ptrace: Add hardware single step support LoongArch: ptrace: Add function argument access API LoongArch: ptrace: Expose hardware breakpoints to debuggers LoongArch: Add hardware breakpoints/watchpoints support LoongArch: kdump: Add crashkernel=YM handling LoongArch: kdump: Add single kernel image implementation LoongArch: Add support for kernel address space layout randomization (KASLR) LoongArch: Add support for kernel relocation LoongArch: Add la_abs macro implementation LoongArch: Add JUMP_VIRT_ADDR macro implementation to avoid using la.abs LoongArch: Use la.pcrel instead of la.abs when it's trivially possible ...
2023-02-28drm/amdkfd: Implement DMA buf fd export from KFDFelix Kuehling
Exports a DMA buf fd of a given KFD buffer handle. This is intended for being able to import KFD BOs into GEM contexts to leverage the amdgpu_bo_va API for more flexible virtual address mappings. It will also be used for the new upstreamable RDMA solution coming to UCX and RCCL. The corresponding user mode change (Thunk API and kfdtest) is here: https://github.com/fxkamd/ROCT-Thunk-Interface/commits/fxkamd/dmabuf Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Xiaogang Chen <Xiaogang.Chen@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2023-02-27Merge tag 'net-6.3-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from wireless and netfilter. The notable fixes here are the EEE fix which restores boot for many embedded platforms (real and QEMU); WiFi warning suppression and the ICE Kconfig cleanup. Current release - regressions: - phy: multiple fixes for EEE rework - wifi: wext: warn about usage only once - wifi: ath11k: allow system suspend to survive ath11k Current release - new code bugs: - mlx5: Fix memory leak in IPsec RoCE creation - ibmvnic: assign XPS map to correct queue index Previous releases - regressions: - netfilter: ip6t_rpfilter: Fix regression with VRF interfaces - netfilter: ctnetlink: make event listener tracking global - nf_tables: allow to fetch set elements when table has an owner - mlx5: - fix skb leak while fifo resync and push - fix possible ptp queue fifo use-after-free Previous releases - always broken: - sched: fix action bind logic - ptp: vclock: use mutex to fix "sleep on atomic" bug if driver also uses a mutex - netfilter: conntrack: fix rmmod double-free race - netfilter: xt_length: use skb len to match in length_mt6, avoid issues with BIG TCP Misc: - ice: remove unnecessary CONFIG_ICE_GNSS - mlx5e: remove hairpin write debugfs files - sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy" * tag 'net-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits) tcp: tcp_check_req() can be called from process context net: phy: c45: fix network interface initialization failures on xtensa, arm:cubieboard xen-netback: remove unused variables pending_idx and index net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy net: dsa: ocelot_ext: remove unnecessary phylink.h include net: mscc: ocelot: fix duplicate driver name error net: dsa: felix: fix internal MDIO controller resource length net: dsa: seville: ignore mscc-miim read errors from Lynx PCS net/sched: act_sample: fix action bind logic net/sched: act_mpls: fix action bind logic net/sched: act_pedit: fix action bind logic wifi: wext: warn about usage only once wifi: mt76: usb: fix use-after-free in mt76u_free_rx_queue qede: avoid uninitialized entries in coal_entry array nfc: fix memory leak of se_io context in nfc_genl_se_io ice: remove unnecessary CONFIG_ICE_GNSS net/sched: cls_api: Move call to tcf_exts_miss_cookie_base_destroy() ibmvnic: Assign XPS map to correct queue index docs: net: fix inaccuracies in msg_zerocopy.rst tools: net: add __pycache__ to gitignore ...
2023-02-27Merge tag 'fuse-update-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: - Fix regression in fileattr permission checking - Fix possible hang during PID namespace destruction - Add generic support for request extensions - Add supplementary group list extension - Add limited support for supplying supplementary groups in create requests - Documentation fixes * tag 'fuse-update-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: add inode/permission checks to fileattr_get/fileattr_set fuse: fix all W=1 kernel-doc warnings fuse: in fuse_flush only wait if someone wants the return code fuse: optional supplementary group in create requests fuse: add request extension
2023-02-26Merge tag 'media/v6.3-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - Removal of several VB1-only deprecated drivers: cpia2, fsl-viu, meye, stkwebcam, tm6000, vpfe_capture and zr364xx - saa7146 recovered from staging/deprecated. We opted to give ti a chance, and, instead of deprecating it, the intention is to write patches migrating it from VB1 to VB2. - av7110 returned from staging/deprecated/ to staging/ as we're not planning on dropping it any time soon - media controller API has gained experimental support for G_ROUTING and streams API. No drivers use it right now. We're planning to add one after -rc1, giving some time to experience the API and eventually have changes during the next development cycle - New sensor drivers: imx296, imx415, ov8858 - Atomisp had lots of changes, specially on its sensor's interface, making atomisp sensor drivers closer to normal sensor drivers - media controller kAPI has gained some helpers to traverse pipelines - uvcvideo now better support power line control - lots of bug fixes, cleanups and driver improvements * tag 'media/v6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (296 commits) media: imx-mipi-csis: Check csis_fmt validity before use media: v4l2-subdev.c: clear stream field media: v4l2-ctrls-api.c: move ctrl->is_new = 1 to the correct line media: Revert "media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci" media: Revert "media: av7110: move to staging/media/deprecated/saa7146" media: imx-pxp: convert to regmap media: imx-pxp: Use non-threaded IRQ media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers media: imx-pxp: Implement frame size enumeration media: imx-pxp: Pass pixel format value to find_format() media: imx-pxp: Add media controller support media: imx-pxp: Don't set bus_info manually in .querycap() media: imx-pxp: Sort headers alphabetically media: imx-pxp: add support for i.MX7D media: imx-pxp: make data_path_ctrl0 platform dependent media: imx-pxp: disable LUT block media: imx-pxp: explicitly disable unused blocks media: imx-pxp: extract helper function to setup data path media: imx-pxp: detect PXP version media: dt-bindings: media: fsl-pxp: convert to yaml ...
2023-02-25Merge tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfioLinus Torvalds
Pull VFIO updates from Alex Williamson: - Remove redundant resource check in vfio-platform (Angus Chen) - Use GFP_KERNEL_ACCOUNT for persistent userspace allocations, allowing removal of arbitrary kernel limits in favor of cgroup control (Yishai Hadas) - mdev tidy-ups, including removing the module-only build restriction for sample drivers, Kconfig changes to select mdev support, documentation movement to keep sample driver usage instructions with sample drivers rather than with API docs, remove references to out-of-tree drivers in docs (Christoph Hellwig) - Fix collateral breakages from mdev Kconfig changes (Arnd Bergmann) - Make mlx5 migration support match device support, improve source and target flows to improve pre-copy support and reduce downtime (Yishai Hadas) - Convert additional mdev sysfs case to use sysfs_emit() (Bo Liu) - Resolve copy-paste error in mdev mbochs sample driver Kconfig (Ye Xingchen) - Avoid propagating missing reset error in vfio-platform if reset requirement is relaxed by module option (Tomasz Duszynski) - Range size fixes in mlx5 variant driver for missed last byte and stricter range calculation (Yishai Hadas) - Fixes to suspended vaddr support and locked_vm accounting, excluding mdev configurations from the former due to potential to indefinitely block kernel threads, fix underflow and restore locked_vm on new mm (Steve Sistare) - Update outdated vfio documentation due to new IOMMUFD interfaces in recent kernels (Yi Liu) - Resolve deadlock between group_lock and kvm_lock, finally (Matthew Rosato) - Fix NULL pointer in group initialization error path with IOMMUFD (Yan Zhao) * tag 'vfio-v6.3-rc1' of https://github.com/awilliam/linux-vfio: (32 commits) vfio: Fix NULL pointer dereference caused by uninitialized group->iommufd docs: vfio: Update vfio.rst per latest interfaces vfio: Update the kdoc for vfio_device_ops vfio/mlx5: Fix range size calculation upon tracker creation vfio: no need to pass kvm pointer during device open vfio: fix deadlock between group lock and kvm lock vfio: revert "iommu driver notify callback" vfio/type1: revert "implement notify callback" vfio/type1: revert "block on invalid vaddr" vfio/type1: restore locked_vm vfio/type1: track locked_vm per dma vfio/type1: prevent underflow of locked_vm via exec() vfio/type1: exclude mdevs from VFIO_UPDATE_VADDR vfio: platform: ignore missing reset if disabled at module init vfio/mlx5: Improve the target side flow to reduce downtime vfio/mlx5: Improve the source side flow upon pre_copy vfio/mlx5: Check whether VF is migratable samples: fix the prompt about SAMPLE_VFIO_MDEV_MBOCHS vfio/mdev: Use sysfs_emit() to instead of sprintf() vfio-mdev: add back CONFIG_VFIO dependency ...
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