linux-kernel - Re: [PATCH v4 0/4] add mutex wait/wound/style style locks

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Message-ID: <51B826B2.5000508@canonical.com>
Date:	Wed, 12 Jun 2013 09:43:46 +0200
From:	Maarten Lankhorst <maarten.lankhorst@...onical.com>
To:	linux-kernel@...r.kernel.org
CC:	linux-arch@...r.kernel.org, peterz@...radead.org, x86@...nel.org,
	dri-devel@...ts.freedesktop.org, linaro-mm-sig@...ts.linaro.org,
	robclark@...il.com, rostedt@...dmis.org, tglx@...utronix.de,
	mingo@...e.hu, linux-media@...r.kernel.org
Subject: Re: [PATCH v4 0/4] add mutex wait/wound/style style locks

Op 28-05-13 16:48, Maarten Lankhorst schreef:
> Version 4 already?
>
> Small api changes since v3:
> - Remove ww_mutex_unlock_single and ww_mutex_lock_single.
> - Rename ww_mutex_trylock_single to ww_mutex_trylock.
> - Remove separate implementations of ww_mutex_lock_slow*, normal
>   functions can be used. Inline versions still exist for extra
>   debugging, and to annotate.
> - Cleanup unneeded memory barriers, add comment to the remaining
>   smp_mb().
>
> Thanks to Daniel Vetter, Rob Clark and Peter Zijlstra for their feedback.
> ---
>
> Daniel Vetter (1):
>       mutex: w/w mutex slowpath debugging
>
> Maarten Lankhorst (3):
>       arch: make __mutex_fastpath_lock_retval return whether fastpath succeeded or not.
>       mutex: add support for wound/wait style locks, v5
>       mutex: Add ww tests to lib/locking-selftest.c. v4
>
>
>  Documentation/ww-mutex-design.txt |  344 +++++++++++++++++++++++++++++++
>  arch/ia64/include/asm/mutex.h     |   10 -
>  arch/powerpc/include/asm/mutex.h  |   10 -
>  arch/sh/include/asm/mutex-llsc.h  |    4 
>  arch/x86/include/asm/mutex_32.h   |   11 -
>  arch/x86/include/asm/mutex_64.h   |   11 -
>  include/asm-generic/mutex-dec.h   |   10 -
>  include/asm-generic/mutex-null.h  |    2 
>  include/asm-generic/mutex-xchg.h  |   10 -
>  include/linux/mutex-debug.h       |    1 
>  include/linux/mutex.h             |  363 +++++++++++++++++++++++++++++++++
>  kernel/mutex.c                    |  384 ++++++++++++++++++++++++++++++++---
>  lib/Kconfig.debug                 |   13 +
>  lib/debug_locks.c                 |    2 
>  lib/locking-selftest.c            |  410 +++++++++++++++++++++++++++++++++++--
>  15 files changed, 1492 insertions(+), 93 deletions(-)
>  create mode 100644 Documentation/ww-mutex-design.txt
>
Bump, do you have any feedback peterz?
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