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26f708a284
Alexei Starovoitov says:
====================
pull-request: bpf-next 2022-12-11
We've added 74 non-merge commits during the last 11 day(s) which contain
a total of 88 files changed, 3362 insertions(+), 789 deletions(-).
The main changes are:
1) Decouple prune and jump points handling in the verifier, from Andrii.
2) Do not rely on ALLOW_ERROR_INJECTION for fmod_ret, from Benjamin.
Merged from hid tree.
3) Do not zero-extend kfunc return values. Necessary fix for 32-bit archs,
from Björn.
4) Don't use rcu_users to refcount in task kfuncs, from David.
5) Three reg_state->id fixes in the verifier, from Eduard.
6) Optimize bpf_mem_alloc by reusing elements from free_by_rcu, from Hou.
7) Refactor dynptr handling in the verifier, from Kumar.
8) Remove the "/sys" mount and umount dance in {open,close}_netns
in bpf selftests, from Martin.
9) Enable sleepable support for cgrp local storage, from Yonghong.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (74 commits)
selftests/bpf: test case for relaxed prunning of active_lock.id
selftests/bpf: Add pruning test case for bpf_spin_lock
bpf: use check_ids() for active_lock comparison
selftests/bpf: verify states_equal() maintains idmap across all frames
bpf: states_equal() must build idmap for all function frames
selftests/bpf: test cases for regsafe() bug skipping check_id()
bpf: regsafe() must not skip check_ids()
docs/bpf: Add documentation for BPF_MAP_TYPE_SK_STORAGE
selftests/bpf: Add test for dynptr reinit in user_ringbuf callback
bpf: Use memmove for bpf_dynptr_{read,write}
bpf: Move PTR_TO_STACK alignment check to process_dynptr_func
bpf: Rework check_func_arg_reg_off
bpf: Rework process_dynptr_func
bpf: Propagate errors from process_* checks in check_func_arg
bpf: Refactor ARG_PTR_TO_DYNPTR checks into process_dynptr_func
bpf: Skip rcu_barrier() if rcu_trace_implies_rcu_gp() is true
bpf: Reuse freed element in free_by_rcu during allocation
selftests/bpf: Bring test_offload.py back to life
bpf: Fix comment error in fixup_kfunc_call function
bpf: Do not zero-extend kfunc return values
...
====================
Link: https://lore.kernel.org/r/20221212024701.73809-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.