- 27 Jun, 2019 1 commit
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David Howells authored
Create a request_key_net() function and use it to pass the network namespace domain tag into DNS revolver keys and rxrpc/AFS keys so that keys for different domains can coexist in the same keyring. Signed-off-by:
David Howells <dhowells@redhat.com> cc: netdev@vger.kernel.org cc: linux-nfs@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: linux-afs@lists.infradead.org
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- 26 Jun, 2019 9 commits
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David Howells authored
Create key domain tags for network namespaces and make it possible to automatically tag keys that are used by networked services (e.g. AF_RXRPC, AFS, DNS) with the default network namespace if not set by the caller. This allows keys with the same description but in different namespaces to coexist within a keyring. Signed-off-by:
David Howells <dhowells@redhat.com> cc: netdev@vger.kernel.org cc: linux-nfs@vger.kernel.org cc: linux-cifs@vger.kernel.org cc: linux-afs@lists.infradead.org
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David Howells authored
If a key operation domain (such as a network namespace) has been removed then attempt to garbage collect all the keys that use it. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Currently a key has a standard matching criteria of { type, description } and this is used to only allow keys with unique criteria in a keyring. This means, however, that you cannot have keys with the same type and description but a different target namespace in the same keyring. This is a potential problem for a containerised environment where, say, a container is made up of some parts of its mount space involving netfs superblocks from two different network namespaces. This is also a problem for shared system management keyrings such as the DNS records keyring or the NFS idmapper keyring that might contain keys from different network namespaces. Fix this by including a namespace component in a key's matching criteria. Keyring types are marked to indicate which, if any, namespace is relevant to keys of that type, and that namespace is set when the key is created from the current task's namespace set. The capability bit KEYCTL_CAPS1_NS_KEY_TAG is set if the kernel is employing this feature. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Move the user and user-session keyrings to the user_namespace struct rather than pinning them from the user_struct struct. This prevents these keyrings from propagating across user-namespaces boundaries with regard to the KEY_SPEC_* flags, thereby making them more useful in a containerised environment. The issue is that a single user_struct may be represent UIDs in several different namespaces. The way the patch does this is by attaching a 'register keyring' in each user_namespace and then sticking the user and user-session keyrings into that. It can then be searched to retrieve them. Signed-off-by:
David Howells <dhowells@redhat.com> cc: Jann Horn <jannh@google.com>
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David Howells authored
Keyring names are held in a single global list that any process can pick from by means of keyctl_join_session_keyring (provided the keyring grants Search permission). This isn't very container friendly, however. Make the following changes: (1) Make default session, process and thread keyring names begin with a '.' instead of '_'. (2) Keyrings whose names begin with a '.' aren't added to the list. Such keyrings are system specials. (3) Replace the global list with per-user_namespace lists. A keyring adds its name to the list for the user_namespace that it is currently in. (4) When a user_namespace is deleted, it just removes itself from the keyring name list. The global keyring_name_lock is retained for accessing the name lists. This allows (4) to work. This can be tested by: # keyctl newring foo @s 995906392 # unshare -U $ keyctl show ... 995906392 --alswrv 65534 65534 \_ keyring: foo ... $ keyctl session foo Joined session keyring: 935622349 As can be seen, a new session keyring was created. The capability bit KEYCTL_CAPS1_NS_KEYRING_NAME is set if the kernel is employing this feature. Signed-off-by:
David Howells <dhowells@redhat.com> cc: Eric W. Biederman <ebiederm@xmission.com>
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David Howells authored
Add a 'recurse' flag for keyring searches so that the flag can be omitted and recursion disabled, thereby allowing just the nominated keyring to be searched and none of the children. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Cache the hash of the key's type and description in the index key so that we're not recalculating it every time we look at a key during a search. The hash function does a bunch of multiplications, so evading those is probably worthwhile - especially as this is done for every key examined during a search. This also allows the methods used by assoc_array to get chunks of index-key to be simplified. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Simplify key description management by cramming the word containing the length with the first few chars of the description also. This simplifies the code that generates the index-key used by assoc_array. It should speed up key searching a bit too. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Kill off request_key_async{,_with_auxdata}() as they're not currently used. Signed-off-by:
David Howells <dhowells@redhat.com>
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- 19 Jun, 2019 6 commits
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David Howells authored
If a filesystem uses keys to hold authentication tokens, then it needs a token for each VFS operation that might perform an authentication check - either by passing it to the server, or using to perform a check based on authentication data cached locally. For open files this isn't a problem, since the key should be cached in the file struct since it represents the subject performing operations on that file descriptor. During pathwalk, however, there isn't anywhere to cache the key, except perhaps in the nameidata struct - but that isn't exposed to the filesystems. Further, a pathwalk can incur a lot of operations, calling one or more of the following, for instance: ->lookup() ->permission() ->d_revalidate() ->d_automount() ->get_acl() ->getxattr() on each dentry/inode it encounters - and each one may need to call request_key(). And then, at the end of pathwalk, it will call the actual operation: ->mkdir() ->mknod() ->getattr() ->open() ... which may need to go and get the token again. However, it is very likely that all of the operations on a single dentry/inode - and quite possibly a sequence of them - will all want to use the same authentication token, which suggests that caching it would be a good idea. To this end: (1) Make it so that a positive result of request_key() and co. that didn't require upcalling to userspace is cached temporarily in task_struct. (2) The cache is 1 deep, so a new result displaces the old one. (3) The key is released by exit and by notify-resume. (4) The cache is cleared in a newly forked process. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Provide a request_key_rcu() function that can be used to request a key under RCU conditions. It can only search and check permissions; it cannot allocate a new key, upcall or wait for an upcall to complete. It may return a partially constructed key. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Move the RCU locks outwards from the keyring search functions so that it will become possible to provide an RCU-capable partial request_key() function in a later commit. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Invalidate used request_key authentication keys rather than revoking them so that they get cleaned up immediately rather than potentially hanging around. There doesn't seem any need to keep the revoked keys around. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
The request_key() syscall allows a process to gain access to the 'possessor' permits of any key that grants it Search permission by virtue of request_key() not checking whether a key it finds grants Link permission to the caller. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Add a keyctl function that requests a set of capability bits to find out what features are supported. Signed-off-by:
David Howells <dhowells@redhat.com>
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- 30 May, 2019 6 commits
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Eric Biggers authored
When lookup_user_key() checks whether the key is possessed, it should use the key's existing index_key including the 'desc_len' field, rather than recomputing the 'desc_len'. This doesn't change the behavior; this way is just simpler and faster. Signed-off-by:
Eric Biggers <ebiggers@google.com> Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-by:
James Morris <jamorris@linux.microsoft.com>
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David Howells authored
Grant Link permission to the possessers of request_key authentication keys, thereby allowing a daemon that is servicing upcalls to arrange things such that only the necessary auth key is passed to the actual service program and not all the daemon's pending auth keys. Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-by:
James Morris <jamorris@linux.microsoft.com>
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David Howells authored
Add a keyctl to atomically move a link to a key from one keyring to another. The key must exist in "from" keyring and a flag can be given to cause the operation to fail if there's a matching key already in the "to" keyring. This can be done with: keyctl(KEYCTL_MOVE, key_serial_t key, key_serial_t from_keyring, key_serial_t to_keyring, unsigned int flags); The key being moved must grant Link permission and both keyrings must grant Write permission. flags should be 0 or KEYCTL_MOVE_EXCL, with the latter preventing displacement of a matching key from the "to" keyring. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Hoist the locking of out of __key_link_begin() and into its callers. This is necessary to allow the upcoming key_move() operation to correctly order taking of the source keyring semaphore, the destination keyring semaphore and the keyring serialisation lock. Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Break bits out of key_unlink() into helper functions so that they can be used in implementing key_move(). Signed-off-by:
David Howells <dhowells@redhat.com>
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David Howells authored
Change keyring_serialise_link_sem to a mutex as it's only ever write-locked. Signed-off-by:
David Howells <dhowells@redhat.com>
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- 29 May, 2019 2 commits
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David Howells authored
Fix some kdoc argument description mismatches reported by sparse and give keyring_restrict() a description. Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-by:
James Morris <jamorris@linux.microsoft.com> cc: Mat Martineau <mathew.j.martineau@linux.intel.com>
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David Howells authored
Fix a pair of accesses that should be using RCU protection. rcu_dereference_protected() is needed to access task_struct::real_parent. current_cred() should be used to access current->cred. Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-by:
James Morris <jamorris@linux.microsoft.com>
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- 22 May, 2019 1 commit
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David Howells authored
Sparse warnings are incurred by key_fs[ug]id_changed() due to unprotected accesses of tsk->cred, which is marked __rcu. Fix this by passing the new cred struct to these functions from commit_creds() rather than the task pointer. Signed-off-by:
David Howells <dhowells@redhat.com> Reviewed-by:
James Morris <jamorris@linux.microsoft.com>
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- 19 May, 2019 15 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifsLinus Torvalds authored
Pull UBIFS fixes from Richard Weinberger: - build errors wrt xattrs - mismerge which lead to a wrong Kconfig ifdef - missing endianness conversion * tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubifs: Convert xattr inum to host order ubifs: Use correct config name for encryption ubifs: Fix build error without CONFIG_UBIFS_FS_XATTR
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Linus Torvalds authored
Merge yet more updates from Andrew Morton: "A few final bits: - large changes to vmalloc, yielding large performance benefits - tweak the console-flush-on-panic code - a few fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: panic: add an option to replay all the printk message in buffer initramfs: don't free a non-existent initrd fs/writeback.c: use rcu_barrier() to wait for inflight wb switches going into workqueue when umount mm/compaction.c: correct zone boundary handling when isolating pages from a pageblock mm/vmap: add DEBUG_AUGMENT_LOWEST_MATCH_CHECK macro mm/vmap: add DEBUG_AUGMENT_PROPAGATE_CHECK macro mm/vmalloc.c: keep track of free blocks for vmap allocation
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds authored
Pull more Kbuild updates from Masahiro Yamada: - remove unneeded use of cc-option, cc-disable-warning, cc-ldoption - exclude tracked files from .gitignore - re-enable -Wint-in-bool-context warning - refactor samples/Makefile - stop building immediately if syncconfig fails - do not sprinkle error messages when $(CC) does not exist - move arch/alpha/defconfig to the configs subdirectory - remove crappy header search path manipulation - add comment lines to .config to clarify the end of menu blocks - check uniqueness of module names (adding new warnings intentionally) * tag 'kbuild-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (24 commits) kconfig: use 'else ifneq' for Makefile to improve readability kbuild: check uniqueness of module names kconfig: Terminate menu blocks with a comment in the generated config kbuild: add LICENSES to KBUILD_ALLDIRS kbuild: remove 'addtree' and 'flags' magic for header search paths treewide: prefix header search paths with $(srctree)/ media: prefix header search paths with $(srctree)/ media: remove unneeded header search paths alpha: move arch/alpha/defconfig to arch/alpha/configs/defconfig kbuild: terminate Kconfig when $(CC) or $(LD) is missing kbuild: turn auto.conf.cmd into a mandatory include file .gitignore: exclude .get_maintainer.ignore and .gitattributes kbuild: add all Clang-specific flags unconditionally kbuild: Don't try to add '-fcatch-undefined-behavior' flag kbuild: add some extra warning flags unconditionally kbuild: add -Wvla flag unconditionally arch: remove dangling asm-generic wrappers samples: guard sub-directories with CONFIG options kbuild: re-enable int-in-bool-context warning MAINTAINERS: kbuild: Add pattern for scripts/*vmlinux* ...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c updates from Wolfram Sang: "Some I2C core API additions which are kind of simple but enhance error checking for users a lot, especially by returning errno now. There are wrappers to still support the old API but it will be removed once all users are converted" * 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: core: add device-managed version of i2c_new_dummy i2c: core: improve return value handling of i2c_new_device and i2c_new_dummy
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4Linus Torvalds authored
Pull ext4 fixes from Ted Ts'o: "Some bug fixes, and an update to the URL's for the final version of Unicode 12.1.0" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: avoid panic during forced reboot due to aborted journal ext4: fix block validity checks for journal inodes using indirect blocks unicode: update to Unicode 12.1.0 final unicode: add missing check for an error return from utf8lookup() ext4: fix miscellaneous sparse warnings ext4: unsigned int compared against zero ext4: fix use-after-free in dx_release() ext4: fix data corruption caused by overlapping unaligned and aligned IO jbd2: fix potential double free ext4: zero out the unused memory region in the extent tree block
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs fixes from Steve French: "Minor cleanup and fixes, one for stable, four rdma (smbdirect) related. Also adds SEEK_HOLE support" * tag '5.2-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: add support for SEEK_DATA and SEEK_HOLE Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file cifs: Allocate memory for all iovs in smb2_ioctl cifs: Don't match port on SMBDirect transport cifs:smbd Use the correct DMA direction when sending data cifs:smbd When reconnecting to server, call smbd_destroy() after all MIDs have been called cifs: use the right include for signal_pending() smb3: trivial cleanup to smb2ops.c cifs: cleanup smb2ops.c and normalize strings smb3: display session id in debug data
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf tooling updates from Ingo Molnar: "perf.data: - Streaming compression of perf ring buffer into PERF_RECORD_COMPRESSED user space records, resulting in ~3-5x perf.data file size reduction on variety of tested workloads what saves storage space on larger server systems where perf.data size can easily reach several tens or even hundreds of GiBs, especially when profiling with DWARF-based stacks and tracing of context switches. perf record: - Improve -user-regs/intr-regs suggestions to overcome errors perf annotate: - Remove hist__account_cycles() from callback, speeding up branch processing (perf record -b) perf stat: - Add a 'percore' event qualifier, e.g.: -e cpu/event=0,umask=0x3,percore=1/, that sums up the event counts for both hardware threads in a core. We can already do this with --per-core, but it's often useful to do this together with other metrics that are collected per hardware thread. I.e. now its possible to do this per-event, and have it mixed with other events not aggregated by core. arm64: - Map Brahma-B53 CPUID to cortex-a53 events. - Add Cortex-A57 and Cortex-A72 events. csky: - Add DWARF register mappings for libdw, allowing --call-graph=dwarf to work on the C-SKY arch. x86: - Add support for recording and printing XMM registers, available, for instance, on Icelake. - Add uncore_upi (Intel's "Ultra Path Interconnect" events) JSON support. UPI replaced the Intel QuickPath Interconnect (QPI) in Xeon Skylake-SP. Intel PT: - Fix instructions sampling rate. - Timestamp fixes. - Improve exported-sql-viewer GUI, allowing, for instance, to copy'n'paste the trees, useful for e-mailing" * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits) perf stat: Support 'percore' event qualifier perf stat: Factor out aggregate counts printing perf tools: Add a 'percore' event qualifier perf docs: Add description for stderr perf intel-pt: Fix sample timestamp wrt non-taken branches perf intel-pt: Fix improved sample timestamp perf intel-pt: Fix instructions sampling rate perf regs x86: Add X86 specific arch__intr_reg_mask() perf parse-regs: Add generic support for arch__intr/user_reg_mask() perf parse-regs: Split parse_regs perf vendor events arm64: Add Cortex-A57 and Cortex-A72 events perf vendor events arm64: Map Brahma-B53 CPUID to cortex-a53 events perf vendor events arm64: Remove [[:xdigit:]] wildcard perf jevents: Remove unused variable perf test zstd: Fixup verbose mode output perf tests: Implement Zstd comp/decomp integration test perf inject: Enable COMPRESSED record decompression perf report: Implement perf.data record decompression perf record: Implement -z,--compression_level[=<n>] option perf report: Add stub processing of compressed events for -D ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull clocksource updates from Ingo Molnar: "Misc clocksource/clockevent driver updates that came in a bit late but are ready for v5.2" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: misc: atmel_tclib: Do not probe already used TCBs clocksource/drivers/timer-atmel-tcb: Convert tc_clksrc_suspend|resume() to static clocksource/drivers/tcb_clksrc: Rename the file for consistency clocksource/drivers/timer-atmel-pit: Rework Kconfig option clocksource/drivers/tcb_clksrc: Move Kconfig option ARM: at91: Implement clocksource selection clocksource/drivers/tcb_clksrc: Use tcb as sched_clock clocksource/drivers/tcb_clksrc: Stop depending on atmel_tclib ARM: at91: move SoC specific definitions to SoC folder clocksource/drivers/timer-milbeaut: Cleanup common register accesses clocksource/drivers/timer-milbeaut: Add shutdown function clocksource/drivers/timer-milbeaut: Fix to enable one-shot timer clocksource/drivers/tegra: Rework for compensation of suspend time clocksource/drivers/sp804: Add COMPILE_TEST to CONFIG_ARM_TIMER_SP804 clocksource/drivers/sun4i: Add a compatible for suniv dt-bindings: timer: Add Allwinner suniv timer
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull IRQ chip updates from Ingo Molnar: "A late irqchips update: - New TI INTR/INTA set of drivers - Rewrite of the stm32mp1-exti driver as a platform driver - Update the IOMMU MSI mapping API to be RT friendly - A number of cleanups and other low impact fixes" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits) iommu/dma-iommu: Remove iommu_dma_map_msi_msg() irqchip/gic-v3-mbi: Don't map the MSI page in mbi_compose_m{b, s}i_msg() irqchip/ls-scfg-msi: Don't map the MSI page in ls_scfg_msi_compose_msg() irqchip/gic-v3-its: Don't map the MSI page in its_irq_compose_msi_msg() irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg() iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts genirq/msi: Add a new field in msi_desc to store an IOMMU cookie arm64: arch_k3: Enable interrupt controller drivers irqchip/ti-sci-inta: Add msi domain support soc: ti: Add MSI domain bus support for Interrupt Aggregator irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings irqchip/ti-sci-intr: Add support for Interrupt Router driver dt-bindings: irqchip: Introduce TISCI Interrupt router bindings gpio: thunderx: Use the default parent apis for {request,release}_resources genirq: Introduce irq_chip_{request,release}_resource_parent() apis firmware: ti_sci: Add helper apis to manage resources firmware: ti_sci: Add RM mapping table for am654 firmware: ti_sci: Add support for IRQ management firmware: ti_sci: Add support for RM core ops ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI fix from Ingo Molnar: "Fix an EFI-fb regression that affects certain x86 systems" * 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: fbdev/efifb: Ignore framebuffer memmap entries that lack any memory types
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core fixes from Ingo Molnar: "This fixes a particularly thorny munmap() bug with MPX, plus fixes a host build environment assumption in objtool" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool: Allow AR to be overridden with HOSTAR x86/mpx, mm/core: Fix recursive munmap() corruption
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/socLinus Torvalds authored
Pull ARM SoC late updates from Olof Johansson: "This is some material that we picked up into our tree late. Most of it are smaller fixes and additions, some defconfig updates due to recent development, etc. Code-wise the largest portion is a series of PM updates for the at91 platform, and those have been in linux-next a while through the at91 tree before we picked them up" * tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits) arm64: dts: sprd: Add clock properties for serial devices Opt out of scripts/get_maintainer.pl ARM: ixp4xx: Remove duplicated include from common.c soc: ixp4xx: qmgr: Fix an NULL vs IS_ERR() check in probe arm64: tegra: Disable XUSB support on Jetson TX2 arm64: tegra: Enable SMMU translation for PCI on Tegra186 arm64: tegra: Fix insecure SMMU users for Tegra186 arm64: tegra: Select ARM_GIC_PM amba: tegra-ahb: Mark PM functions as __maybe_unused ARM: dts: logicpd-som-lv: Fix MMC1 card detect ARM: mvebu: drop return from void function ARM: mvebu: prefix coprocessor operand with p ARM: mvebu: drop unnecessary label ARM: mvebu: fix a leaked reference by adding missing of_node_put ARM: socfpga_defconfig: enable LTC2497 ARM: mvebu: kirkwood: remove error message when retrieving mac address ARM: at91: sama5: make ov2640 as a module ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled ARM: at91: remove HAVE_FB_ATMEL for sama5 SoC as they use DRM soc/fsl/qe: Fix an error code in qe_pin_request() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "One fix going back to stable, for a bug on 32-bit introduced when we added support for THREAD_INFO_IN_TASK. A fix for a typo in a recent rework of our hugetlb code that leads to crashes on 64-bit when using hugetlbfs with a 4K PAGE_SIZE. Two fixes for our recent rework of the address layout on 64-bit hash CPUs, both only triggered when userspace tries to access addresses outside the user or kernel address ranges. Finally a fix for a recently introduced double free in an error path in our cacheinfo code. Thanks to: Aneesh Kumar K.V, Christophe Leroy, Sachin Sant, Tobin C. Harding" * tag 'powerpc-5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/cacheinfo: Remove double free powerpc/mm/hash: Fix get_region_id() for invalid addresses powerpc/mm: Drop VM_BUG_ON in get_region_id() powerpc/mm: Fix crashes with hugepages & 4K pages powerpc/32s: fix flush_hash_pages() on SMP
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds authored
Pull a few more MIPS updates from Paul Burton: "Some SGI IP27 specific PCI rework and a batch of fixes: - A build fix for BMIPS5000 configurations with CONFIG_HW_PERF_EVENTS=y, which also neatly removes some #ifdefery. - A fix to report supported ISAs correctly on older Ingenic SoCs which incorrectly indicate MIPSr2 support in their cop0 Config register. - Some PCI modernization for SGI IP27 systems as part of ongoing work to support some other SGI systems. - A fix allowing use of appended DTB files with generic kernels. - DMA mask fixes for SGI IP22 & Alchemy systems" * tag 'mips_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: MIPS: Alchemy: add DMA masks for on-chip ethernet MIPS: SGI-IP22: provide missing dma_mask/coherent_dma_mask generic: fix appended dtb support MIPS: SGI-IP27: abstract chipset irq from bridge MIPS: SGI-IP27: use generic PCI driver MIPS: Fix Ingenic SoCs sometimes reporting wrong ISA MIPS: perf: Fix build with CONFIG_CPU_BMIPS5000 enabled
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