On Wed, 2013-11-06 at 13:41 -0800, Davidlohr Bueso wrote: > On Wed, 2013-11-06 at 13:36 -0800, Tim Chen 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 > > > > v3: > > 1. modified memory barriers to support non x86 architectures that have > > weak memory ordering. > > > > 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 > > > > > > 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 (2): > > MCS Lock: Make mcs_spinlock.h includable in other files > > MCS Lock: Allow architecture specific memory barrier in lock/unlock > > > > arch/x86/include/asm/barrier.h | 6 +++ > > include/linux/mcs_spinlock.h | 25 ++++++++++ > > include/linux/mutex.h | 5 +- > > kernel/Makefile | 6 +- > > kernel/mcs_spinlock.c | 96 ++++++++++++++++++++++++++++++++++++++++ > > kernel/mutex.c | 60 +++---------------------- > > 6 files changed, 140 insertions(+), 58 deletions(-) > > create mode 100644 include/linux/mcs_spinlock.h > > create mode 100644 kernel/mcs_spinlock.c > > Hmm I noticed that Peter's patchset to move locking mechanisms into a > unique directory is now in -tip, ie: > > http://marc.info/?l=linux-kernel&m=138373682928585 > > So we'll have problems applying this patchset, it would probably be best > to rebase on top. Good point. Will update the patchset. Tim > > Thanks, > Davidlohr > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>