mutex subsystem, -V9 [LWN.net]

From:		Ingo Molnar <mingo@elte.hu>
To:		lkml <linux-kernel@vger.kernel.org>
Subject:		[patch 00/13] mutex subsystem, -V9
Date:		Thu, 29 Dec 2005 22:03:08 +0100
Cc:		Linus Torvalds <torvalds@osdl.org>, Andrew Morton <akpm@osdl.org>, Arjan van de Ven <arjan@infradead.org>, Nicolas Pitre <nico@cam.org>, Jes Sorensen <jes@trained-monkey.org>, Al Viro <viro@ftp.linux.org.uk>, Oleg Nesterov <oleg@tv-sign.ru>, David Howells <dhowells@redhat.com>, Alan Cox <alan@lxorguk.ukuu.org.uk>, Christoph Hellwig <hch@infradead.org>, Andi Kleen <ak@suse.de>, Russell King <rmk+lkml@arm.linux.org.uk>

this is version -V9 of the generic mutex subsystem. It consists of the 
following 13 patches:

  add-atomic-xchg.patch
  mutex-generic-asm-implementations.patch
  mutex-asm-mutex.h-i386.patch
  mutex-asm-mutex.h-x86_64.patch
  mutex-asm-mutex.h-arm.patch
  mutex-arch-mutex-h.patch
  mutex-core.patch
  mutex-docs.patch
  mutex-debug.patch
  mutex-debug-more.patch
  xfs-use-mutexes.patch
  vfs-i-sem-to-mutex.patch
  vfs-use-more-mutexes.patch

the patches are against Linus' latest GIT tree, and they should work 
fine on every Linux architecture.

i have tested all 5 mutex implementation variants under MUTEX_DEBUG_FULL 
on x86: native, -dec, -xchg, -null and debug.

Changes since -V8:

 93 files changed, 502 insertions(+), 500 deletions(-)

- ARMv6: __mutex_fastpath_trylock micro-optimization (Nicolas Pitre)

- asm-generic/mutex-xchg.h: better __mutex_fastpath_trylock 
  implementation (Nicolas Pitre)

- XFS: use mutexes directly (Jes Sorensen)

- experimental conversion of VFS: change i_sem to i_mutex (Jes Sorensen)

	Ingo
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