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d639d9fa16
- kho: make memory preservation compatible with deferred initialization of
the memory map
- luo: add LIVEUPDATE_SESSION_GET_NAME ioctl and parameter verification for
LIVEUPDATE_IOCTL_CREATE_SESSION ioctl
- luo: documentation updates for liveupdate=on command line option, systemd
support and the current compatibility status
- luo: remove the fixed limits on the number of files that can be preserved
within a single session, and the total number of sessions managed by the
Live Update Orchestrator
- fixes that didn't cut as urgent and were delayed until the merge window:
* reference count incoming File-Lifecycle-Bound (FLB) data so it cannot
be freed while a subsystem is still using it
* fixes for a TOCTOU race in luo_session_retrieve(), a use-after-free in
the file finish and unpreserve paths, concurrent session mutations
during reboot and serialization on preserve_context kexec
* make sure ioctls for incoming LUO sessions are blocked for outgoing
sessions and vice versa
* make sure KHO scratch size is always aligned by CMA_MIN_ALIGNMENT_BYTES
* fix memblock tests build issue introduced by KHO changes
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Merge tag 'liveupdate-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux
Pull liveupdate updates from Mike Rapoport:
"Kexec Handover (KHO):
- make memory preservation compatible with deferred initialization
of the memory map
Live Update Orchestrator (LUO):
- add LIVEUPDATE_SESSION_GET_NAME ioctl and parameter verification
for LIVEUPDATE_IOCTL_CREATE_SESSION ioctl
- documentation updates for liveupdate=on command line option,
systemd support and the current compatibility status
- remove the fixed limits on the number of files that can be
preserved within a single session, and the total number of
sessions managed by the LUO
Misc fixes:
- reference count incoming File-Lifecycle-Bound (FLB) data so
it cannot be freed while a subsystem is still using it
- fixes for a TOCTOU race in luo_session_retrieve(), a use-
after-free in the file finish and unpreserve paths, concurrent
session mutations during reboot and serialization on
preserve_context kexec
- make sure ioctls for incoming LUO sessions are blocked for
outgoing sessions and vice versa
- make sure KHO scratch size is always aligned by
CMA_MIN_ALIGNMENT_BYTES
- fix memblock tests build issue introduced by KHO changes"
* tag 'liveupdate-v7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/liveupdate/linux: (36 commits)
liveupdate: Document that retrieve failure is permanent
docs: memfd_preservation: fix rendering of ABI documentation
selftests/liveupdate: Add stress-files kexec test
selftests/liveupdate: Add stress-sessions kexec test
selftests/liveupdate: Test session and file limit removal
liveupdate: Remove limit on the number of files per session
liveupdate: Remove limit on the number of sessions
liveupdate: defer session block allocation and physical address setting
kho: add support for linked-block serialization
liveupdate: Extract luo_session_deserialize_one helper
liveupdate: Extract luo_file_deserialize_one helper
liveupdate: register luo_ser as KHO subtree
liveupdate: centralize state management into struct luo_ser
liveupdate: avoid mixing cleanup guards with goto in luo_session_retrieve_fd
liveupdate: change file_set->count type to u64 for type safety
liveupdate: Remove unused ser field from struct luo_session
liveupdate: fix u-a-f in luo_file_unpreserve_files() and luo_file_finish()
liveupdate: block session mutations during reboot
liveupdate: fix TOCTOU race in luo_session_retrieve()
liveupdate: skip serialization for context-preserving kexec
...
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||
|---|---|---|
| .. | ||
| irq | ||
| kho | ||
| real-time | ||
| wrappers | ||
| asm-annotations.rst | ||
| assoc_array.rst | ||
| boot-time-mm.rst | ||
| cachetlb.rst | ||
| cgroup.rst | ||
| circular-buffers.rst | ||
| cleanup.rst | ||
| cpu_hotplug.rst | ||
| debug-objects.rst | ||
| debugging-via-ohci1394.rst | ||
| dma-api-howto.rst | ||
| dma-api.rst | ||
| dma-attributes.rst | ||
| dma-isa-lpc.rst | ||
| entry.rst | ||
| errseq.rst | ||
| floating-point.rst | ||
| folio_queue.rst | ||
| genalloc.rst | ||
| generic-radix-tree.rst | ||
| genericirq.rst | ||
| gfp_mask-from-fs-io.rst | ||
| housekeeping.rst | ||
| idr.rst | ||
| index.rst | ||
| kernel-api.rst | ||
| kobject.rst | ||
| kref.rst | ||
| librs.rst | ||
| list.rst | ||
| liveupdate.rst | ||
| local_ops.rst | ||
| maple_tree.rst | ||
| memory-allocation.rst | ||
| memory-hotplug.rst | ||
| min_heap.rst | ||
| mm-api.rst | ||
| netlink.rst | ||
| packing.rst | ||
| padata.rst | ||
| parser.rst | ||
| pin_user_pages.rst | ||
| printk-basics.rst | ||
| printk-formats.rst | ||
| printk-index.rst | ||
| protection-keys.rst | ||
| rbtree.rst | ||
| refcount-vs-atomic.rst | ||
| swiotlb.rst | ||
| symbol-namespaces.rst | ||
| this_cpu_ops.rst | ||
| timekeeping.rst | ||
| tracepoint.rst | ||
| unaligned-memory-access.rst | ||
| union_find.rst | ||
| watch_queue.rst | ||
| workqueue.rst | ||
| xarray.rst | ||