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authorLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 16:15:42 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2023-11-01 16:15:42 -1000
commit05bf73aa27ba89474763cea7b9cd2626eda61e01 (patch)
tree0430a2d85df344f59030ac518a696a63139bfafd /MAINTAINERS
parent1b10d2c8c6219bfc86d8c7d53a4f97a0a706d1ba (diff)
parent4758560fa268cecfa1144f015aa9f2525d164b7e (diff)
Merge tag 'probes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu: "Cleanups: - kprobes: Fixes typo in kprobes samples - tracing/eprobes: Remove 'break' after return kretprobe/fprobe performance improvements: - lib: Introduce new `objpool`, which is a high performance lockless object queue. This uses per-cpu ring array to allocate/release objects from the pre-allocated object pool. Since the index of ring array is a 32bit sequential counter, we can retry to push/pop the object pointer from the ring without lock (as seq-lock does) - lib: Add an objpool test module to test the functionality and evaluate the performance under some circumstances - kprobes/fprobe: Improve kretprobe and rethook scalability performance with objpool. This improves both legacy kretprobe and fprobe exit handler (which is based on rethook) to be scalable on SMP systems. Even with 8-threads parallel test, it shows a great scalability improvement - Remove unneeded freelist.h which is replaced by objpool - objpool: Add maintainers entry for the objpool - objpool: Fix to remove unused include header lines" * tag 'probes-v6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: kprobes: unused header files removed MAINTAINERS: objpool added kprobes: freelist.h removed kprobes: kretprobe scalability improvement lib: objpool test module added lib: objpool added: ring-array based lockless MPMC tracing/eprobe: drop unneeded breaks samples: kprobes: Fixes a typo
Diffstat (limited to 'MAINTAINERS')
-rw-r--r--MAINTAINERS7
1 files changed, 7 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 6f0dda0603b8..14e1194faa4b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15553,6 +15553,13 @@ F: include/linux/objagg.h
F: lib/objagg.c
F: lib/test_objagg.c
+OBJPOOL
+M: Matt Wu <wuqiang.matt@bytedance.com>
+S: Supported
+F: include/linux/objpool.h
+F: lib/objpool.c
+F: lib/test_objpool.c
+
OBJTOOL
M: Josh Poimboeuf <jpoimboe@kernel.org>
M: Peter Zijlstra <peterz@infradead.org>