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SubjectRe: [PATCH v4 0/3] qrwlock: Introducing a queue read/write lock implementation
On Wed, Oct 02, 2013 at 10:09:03AM -0400, Waiman Long wrote:
> v3->v4:
> - Optimize the fast path with better cold cache behavior and
> performance.
> - Removing some testing code.
> - Make x86 use queue rwlock with no user configuration.

> arch/x86/Kconfig | 1 +
> arch/x86/include/asm/spinlock.h | 2 +
> arch/x86/include/asm/spinlock_types.h | 4 +
> include/asm-generic/qrwlock.h | 256 +++++++++++++++++++++++++++++++++
> include/linux/rwlock.h | 15 ++
> include/linux/rwlock_types.h | 13 ++
> kernel/Kconfig.locks | 7 +
> lib/Makefile | 1 +
> lib/qrwlock.c | 247 +++++++++++++++++++++++++++++++
> lib/spinlock_debug.c | 19 +++
> 10 files changed, 565 insertions(+), 0 deletions(-)
> create mode 100644 include/asm-generic/qrwlock.h
> create mode 100644 lib/qrwlock.c


Where's the ---- for removing the old rwlock from x86?


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