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Date: Tue, 05 Nov 2013 09:42:26 -0800 From: Tim Chen <tim.c.chen@...ux.intel.com> To: Ingo Molnar <mingo@...e.hu>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de> Cc: linux-kernel@...r.kernel.org, linux-mm <linux-mm@...ck.org>, linux-arch@...r.kernel.org, Linus Torvalds <torvalds@...ux-foundation.org>, Waiman Long <waiman.long@...com>, Andrea Arcangeli <aarcange@...hat.com>, Alex Shi <alex.shi@...aro.org>, Andi Kleen <andi@...stfloor.org>, Michel Lespinasse <walken@...gle.com>, Davidlohr Bueso <davidlohr.bueso@...com>, Matthew R Wilcox <matthew.r.wilcox@...el.com>, Dave Hansen <dave.hansen@...el.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Rik van Riel <riel@...hat.com>, Peter Hurley <peter@...leysoftware.com>, "Paul E.McKenney" <paulmck@...ux.vnet.ibm.com>, Tim Chen <tim.c.chen@...ux.intel.com>, Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>, George Spelvin <linux@...izon.com>, "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>, Aswin Chandramouleeswaran <aswin@...com>, Scott J Norton <scott.norton@...com>, Will Deacon <will.deacon@....com> Subject: [PATCH v2 0/4] MCS Lock: MCS lock code cleanup and optimizations In this patch series, we separated out the MCS lock code which was previously embedded in the mutex.c. This allows for easier reuse of MCS lock in other places like rwsem and qrwlock. We also did some micro optimizations and barrier cleanup. This patches were previously part of the rwsem optimization patch series but now we spearate them out. Tim Chen v2: 1. change export mcs_spin_lock as a GPL export symbol 2. corrected mcs_spin_lock to references Jason Low (2): MCS Lock: optimizations and extra comments MCS Lock: Barrier corrections Tim Chen (1): MCS Lock: Restructure the MCS lock defines and locking code into its own file Waiman Long (1): MCS Lock: Make mcs_spinlock.h includable in other files include/linux/mcs_spinlock.h | 99 ++++++++++++++++++++++++++++++++++++++++++ include/linux/mutex.h | 5 +- kernel/Makefile | 6 +- kernel/mcs_spinlock.c | 21 +++++++++ kernel/mutex.c | 60 +++---------------------- 5 files changed, 133 insertions(+), 58 deletions(-) create mode 100644 include/linux/mcs_spinlock.h create mode 100644 kernel/mcs_spinlock.c -- 1.7.4.4 -- 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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