AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/tools/perf
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Bo YU 2e712675ff perf bpf: Return value with unlocking in perf_env__find_btf() 
In perf_env__find_btf(), we're returning without unlocking
"env->bpf_progs.lock". There may be cause lockdep issue.

Detected by CoversityScan, CID# 1444762:(program hangs(LOCK))

Signed-off-by: Bo YU <tsu.yubo@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org
Cc: netdev@vger.kernel.org
Fixes: 2db7b1e0bd: (perf bpf: Return NULL when RB tree lookup fails in perf_env__find_btf())
Link: http://lkml.kernel.org/r/20190422080138.10088-1-tsu.yubo@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-05-02 16:00:19 -04:00
..
arch tools headers: Update x86's syscall_64.tbl and uapi/asm-generic/unistd 2019-03-28 14:41:11 -03:00
bench perf/core improvements and fixes: 2019-03-22 22:51:21 +01:00
Documentation perf config: Fix an error in the config template documentation 2019-03-19 16:52:04 -03:00
examples/bpf perf augmented_syscalls: Convert to bpf_map() 2019-01-25 15:12:11 +01:00
include/bpf perf bpf: Automatically add BTF ELF markers 2019-03-06 09:45:37 -03:00
jvmti perf jvmti: Separate jvmti cmlr check 2018-11-21 22:39:58 -03:00
pmu-events perf vendor events: Remove P8 HW events which are not supported 2019-03-19 16:52:03 -03:00
python perf python: Make twatch.py work with both python2 and python3 2018-02-19 12:28:08 -03:00
scripts perf scripts python: export-to-sqlite.py: Fix use of parent_id in calls_view 2019-04-16 11:27:05 -03:00
tests perf tools: Save bpf_prog_info and BTF of new BPF programs 2019-03-21 11:27:04 -03:00
trace tools headers uapi: Sync asm-generic/mman-common.h and linux/mman.h 2019-03-28 14:31:56 -03:00
ui perf tools report: Add custom scripts to script menu 2019-03-11 16:33:20 -03:00
util perf bpf: Return value with unlocking in perf_env__find_btf() 2019-05-02 16:00:19 -04:00
.gitignore perf tools: Add trace/beauty/generated/ into .gitignore 2018-02-05 13:58:02 -03:00
Build perf tools: Rename build libperf to perf 2019-02-14 15:18:08 -03:00
builtin-annotate.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-bench.c perf bench: Add epoll_ctl(2) benchmark 2018-11-21 22:39:55 -03:00
builtin-buildid-cache.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-buildid-list.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-c2c.c perf c2c: Fix c2c report for empty numa node 2019-03-06 18:15:24 -03:00
builtin-config.c perf config: Show the configuration when no arguments are provided 2018-12-18 12:24:00 -03:00
builtin-data.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
builtin-diff.c perf diff: Support --pid/--tid filter options 2019-03-06 18:06:16 -03:00
builtin-evlist.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-ftrace.c perf ftrace: Append an EOL when write tracing files 2018-02-19 09:49:12 -03:00
builtin-help.c perf help: Remove needless use of strncpy() 2018-12-17 14:59:18 -03:00
builtin-inject.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-kallsyms.c pref tools: Add missing map.h includes 2019-02-06 10:00:38 -03:00
builtin-kmem.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-kvm.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-list.c perf list: Filter metrics too 2019-03-19 11:56:19 -03:00
builtin-lock.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-mem.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-probe.c perf namespaces: Remove namespaces.h from .h headers 2019-01-25 15:12:09 +01:00
builtin-record.c perf tools: Save bpf_prog_info and BTF of new BPF programs 2019-03-21 11:27:04 -03:00
builtin-report.c perf report: Show all sort keys in help output 2019-03-19 16:15:42 -03:00
builtin-sched.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-script.c perf script: Support relative time 2019-03-19 16:52:03 -03:00
builtin-stat.c perf stat: Disable DIR_FORMAT feature for 'perf stat record' 2019-04-16 11:27:18 -03:00
builtin-timechart.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-top.c perf top: Always sample time to satisfy needs of use of ordered queuing 2019-04-16 12:36:20 -03:00
builtin-trace.c perf data: Add global path holder 2019-02-22 16:52:07 -03:00
builtin-version.c perf version: Print status for syscall_table 2018-04-12 10:33:34 -03:00
builtin.h perf script: Add array bound checking to list_scripts 2019-03-11 16:33:19 -03:00
check-headers.sh tools headers uapi: Sync asm-generic/mman-common.h and linux/mman.h 2019-03-28 14:31:56 -03:00
command-list.txt perf help: Add missing subcommand version 2018-09-19 14:53:36 -03:00
CREDITS
design.txt perf/doc: Update design.txt for exclude_{host|guest} flags 2019-01-21 11:01:18 +01:00
Makefile perf tools: Disable parallelism for 'make clean' 2018-08-20 08:54:58 -03:00
Makefile.config perf build: Check what binutils's 'disassembler()' signature to use 2019-03-20 16:42:10 -03:00
Makefile.perf tools headers uapi: Sync asm-generic/mman-common.h and linux/mman.h 2019-03-28 14:31:56 -03:00
MANIFEST perf tools: Get all of tools/{arch,include}/ in the MANIFEST 2017-09-25 10:39:43 -03:00
perf-archive.sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf-completion.sh perf tools: Auto-complete for events with ':' 2017-12-27 12:16:00 -03:00
perf-read-vdso.c perf tools: Make find_vdso_map() more modular 2019-01-08 13:28:13 -03:00
perf-sys.h Drop a bunch of metag references 2018-02-23 14:29:59 +00:00
perf-with-kcore.sh
perf.c perf bpf: Save bpf_prog_info in a rbtree in perf_env 2019-03-19 16:52:06 -03:00
perf.h perf record: Replace option --bpf-event with --no-bpf-event 2019-03-19 16:52:06 -03:00