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SubjectRe: [PATCH v2 0/4] MCS Lock: MCS lock code cleanup and optimizations
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On Tue, 2013-11-05 at 13:14 -0800, Michel Lespinasse wrote:
> On Tue, Nov 5, 2013 at 9:42 AM, Tim Chen <tim.c.chen@linux.intel.com> wrote:
> > 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
>
> What base kernel does this apply over ?
>

Should be applicable on latest v3.12-rc7.

Tim



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