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Message-ID: <518928B5.7050807@oracle.com> Date: Tue, 07 May 2013 12:15:49 -0400 From: Sasha Levin <sasha.levin@...cle.com> To: torvalds@...ux-foundation.org CC: Sasha Levin <sasha.levin@...cle.com>, mingo@...nel.org, peterz@...radead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/9] liblockdep: userspace lockdep Ping? Thanks, Sasha On 04/30/2013 02:54 PM, Sasha Levin wrote: > liblockdep is a tiny wrapper built around kernel/lockdep.c. The aim is to > provide the same functionality the kernel gets from lockdep to userspace. > > The bulk of the code here is the LD_PRELOAD support which provides users > an easy way to test their code without having to integrate liblockdep into > said code. Simply doing: > > lockdep my_app > > Would provide lockdep support to my_app. > > There is also a small test suite to test both mutexes and rwlocks, it's > based on the tests in lib/locking-selftest.c. > > This entire patch series was reviewed by lockdep maintainers and accepted to > the tip tree previously. It was pulled out so that the potential merge of > liblockdep won't delay the rest of the commits in the tip locking tree. > > For some more background about this entire thing, the folks at LWN did > an awesome overview: http://lwn.net/Articles/536363/ > > > Sasha Levin (9): > lockdep: Be nice about building from userspace > liblockdep: Wrap kernel/lockdep.c to allow usage from userspace > liblockdep: Add public headers for pthread_mutex_t implementation > liblockdep: Add pthread_mutex_t test suite > liblockdep: Add public headers for pthread_rwlock_t implementation > liblockdep: Add pthread_rwlock_t test suite > liblockdep: Support using LD_PRELOAD > liblockdep: Add the 'lockdep' user-space utility > liblockdep: Add a MAINTAINERS entry > > MAINTAINERS | 5 + > kernel/lockdep.c | 4 + > tools/lib/lockdep/Makefile | 251 ++++++++++++++ > tools/lib/lockdep/common.c | 33 ++ > tools/lib/lockdep/include/liblockdep/common.h | 43 +++ > tools/lib/lockdep/include/liblockdep/mutex.h | 73 ++++ > tools/lib/lockdep/include/liblockdep/rwlock.h | 91 +++++ > tools/lib/lockdep/lockdep | 3 + > tools/lib/lockdep/lockdep.c | 2 + > tools/lib/lockdep/lockdep_internals.h | 1 + > tools/lib/lockdep/lockdep_states.h | 1 + > tools/lib/lockdep/preload.c | 386 +++++++++++++++++++++ > tools/lib/lockdep/rbtree.c | 1 + > tools/lib/lockdep/run_tests.sh | 27 ++ > tools/lib/lockdep/tests/AA.c | 13 + > tools/lib/lockdep/tests/ABBA.c | 13 + > tools/lib/lockdep/tests/ABBCCA.c | 15 + > tools/lib/lockdep/tests/ABBCCDDA.c | 17 + > tools/lib/lockdep/tests/ABCABC.c | 15 + > tools/lib/lockdep/tests/ABCDBCDA.c | 17 + > tools/lib/lockdep/tests/ABCDBDDA.c | 17 + > tools/lib/lockdep/tests/WW.c | 13 + > tools/lib/lockdep/tests/common.h | 12 + > tools/lib/lockdep/tests/unlock_balance.c | 12 + > tools/lib/lockdep/uinclude/asm/hweight.h | 0 > tools/lib/lockdep/uinclude/asm/sections.h | 0 > tools/lib/lockdep/uinclude/linux/bitops.h | 0 > tools/lib/lockdep/uinclude/linux/compiler.h | 7 + > tools/lib/lockdep/uinclude/linux/debug_locks.h | 12 + > tools/lib/lockdep/uinclude/linux/delay.h | 0 > tools/lib/lockdep/uinclude/linux/export.h | 7 + > tools/lib/lockdep/uinclude/linux/ftrace.h | 0 > tools/lib/lockdep/uinclude/linux/gfp.h | 0 > tools/lib/lockdep/uinclude/linux/hardirq.h | 11 + > tools/lib/lockdep/uinclude/linux/hash.h | 1 + > tools/lib/lockdep/uinclude/linux/interrupt.h | 0 > tools/lib/lockdep/uinclude/linux/irqflags.h | 38 ++ > tools/lib/lockdep/uinclude/linux/kallsyms.h | 32 ++ > tools/lib/lockdep/uinclude/linux/kernel.h | 36 ++ > tools/lib/lockdep/uinclude/linux/kmemcheck.h | 8 + > tools/lib/lockdep/uinclude/linux/linkage.h | 0 > tools/lib/lockdep/uinclude/linux/list.h | 1 + > tools/lib/lockdep/uinclude/linux/lockdep.h | 58 ++++ > tools/lib/lockdep/uinclude/linux/mm_types.h | 0 > tools/lib/lockdep/uinclude/linux/module.h | 6 + > tools/lib/lockdep/uinclude/linux/mutex.h | 0 > tools/lib/lockdep/uinclude/linux/poison.h | 1 + > tools/lib/lockdep/uinclude/linux/prefetch.h | 6 + > tools/lib/lockdep/uinclude/linux/proc_fs.h | 0 > tools/lib/lockdep/uinclude/linux/rbtree.h | 1 + > .../lib/lockdep/uinclude/linux/rbtree_augmented.h | 2 + > tools/lib/lockdep/uinclude/linux/rcu.h | 16 + > tools/lib/lockdep/uinclude/linux/seq_file.h | 0 > tools/lib/lockdep/uinclude/linux/spinlock.h | 25 ++ > tools/lib/lockdep/uinclude/linux/stacktrace.h | 32 ++ > tools/lib/lockdep/uinclude/linux/stringify.h | 7 + > tools/lib/lockdep/uinclude/linux/system.h | 0 > tools/lib/lockdep/uinclude/linux/types.h | 58 ++++ > tools/lib/lockdep/uinclude/linux/util.h | 0 > tools/lib/lockdep/uinclude/trace/events/lock.h | 0 > 60 files changed, 1430 insertions(+) > create mode 100644 tools/lib/lockdep/Makefile > create mode 100644 tools/lib/lockdep/common.c > create mode 100644 tools/lib/lockdep/include/liblockdep/common.h > create mode 100644 tools/lib/lockdep/include/liblockdep/mutex.h > create mode 100644 tools/lib/lockdep/include/liblockdep/rwlock.h > create mode 100755 tools/lib/lockdep/lockdep > create mode 100644 tools/lib/lockdep/lockdep.c > create mode 100644 tools/lib/lockdep/lockdep_internals.h > create mode 100644 tools/lib/lockdep/lockdep_states.h > create mode 100644 tools/lib/lockdep/preload.c > create mode 100644 tools/lib/lockdep/rbtree.c > create mode 100755 tools/lib/lockdep/run_tests.sh > create mode 100644 tools/lib/lockdep/tests/AA.c > create mode 100644 tools/lib/lockdep/tests/ABBA.c > create mode 100644 tools/lib/lockdep/tests/ABBCCA.c > create mode 100644 tools/lib/lockdep/tests/ABBCCDDA.c > create mode 100644 tools/lib/lockdep/tests/ABCABC.c > create mode 100644 tools/lib/lockdep/tests/ABCDBCDA.c > create mode 100644 tools/lib/lockdep/tests/ABCDBDDA.c > create mode 100644 tools/lib/lockdep/tests/WW.c > create mode 100644 tools/lib/lockdep/tests/common.h > create mode 100644 tools/lib/lockdep/tests/unlock_balance.c > create mode 100644 tools/lib/lockdep/uinclude/asm/hweight.h > create mode 100644 tools/lib/lockdep/uinclude/asm/sections.h > create mode 100644 tools/lib/lockdep/uinclude/linux/bitops.h > create mode 100644 tools/lib/lockdep/uinclude/linux/compiler.h > create mode 100644 tools/lib/lockdep/uinclude/linux/debug_locks.h > create mode 100644 tools/lib/lockdep/uinclude/linux/delay.h > create mode 100644 tools/lib/lockdep/uinclude/linux/export.h > create mode 100644 tools/lib/lockdep/uinclude/linux/ftrace.h > create mode 100644 tools/lib/lockdep/uinclude/linux/gfp.h > create mode 100644 tools/lib/lockdep/uinclude/linux/hardirq.h > create mode 100644 tools/lib/lockdep/uinclude/linux/hash.h > create mode 100644 tools/lib/lockdep/uinclude/linux/interrupt.h > create mode 100644 tools/lib/lockdep/uinclude/linux/irqflags.h > create mode 100644 tools/lib/lockdep/uinclude/linux/kallsyms.h > create mode 100644 tools/lib/lockdep/uinclude/linux/kernel.h > create mode 100644 tools/lib/lockdep/uinclude/linux/kmemcheck.h > create mode 100644 tools/lib/lockdep/uinclude/linux/linkage.h > create mode 100644 tools/lib/lockdep/uinclude/linux/list.h > create mode 100644 tools/lib/lockdep/uinclude/linux/lockdep.h > create mode 100644 tools/lib/lockdep/uinclude/linux/mm_types.h > create mode 100644 tools/lib/lockdep/uinclude/linux/module.h > create mode 100644 tools/lib/lockdep/uinclude/linux/mutex.h > create mode 100644 tools/lib/lockdep/uinclude/linux/poison.h > create mode 100644 tools/lib/lockdep/uinclude/linux/prefetch.h > create mode 100644 tools/lib/lockdep/uinclude/linux/proc_fs.h > create mode 100644 tools/lib/lockdep/uinclude/linux/rbtree.h > create mode 100644 tools/lib/lockdep/uinclude/linux/rbtree_augmented.h > create mode 100644 tools/lib/lockdep/uinclude/linux/rcu.h > create mode 100644 tools/lib/lockdep/uinclude/linux/seq_file.h > create mode 100644 tools/lib/lockdep/uinclude/linux/spinlock.h > create mode 100644 tools/lib/lockdep/uinclude/linux/stacktrace.h > create mode 100644 tools/lib/lockdep/uinclude/linux/stringify.h > create mode 100644 tools/lib/lockdep/uinclude/linux/system.h > create mode 100644 tools/lib/lockdep/uinclude/linux/types.h > create mode 100644 tools/lib/lockdep/uinclude/linux/util.h > create mode 100644 tools/lib/lockdep/uinclude/trace/events/lock.h > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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