On Wed, Nov 6, 2013 at 1:42 PM, H. Peter Anvin wrote:
> Perhaps I'm missing something here, but what is MCS lock and what is the
> value?
Its a kind of queued lock where each waiter spins on a a separate
memory word, instead of having them all spin on the lock's memory
word. This helps with
On 11/06/2013 01:36 PM, 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.
>
>
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
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
On 11/06/2013 01:36 PM, 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
On Wed, Nov 6, 2013 at 1:42 PM, H. Peter Anvin h...@zytor.com wrote:
Perhaps I'm missing something here, but what is MCS lock and what is the
value?
Its a kind of queued lock where each waiter spins on a a separate
memory word, instead of having them all spin on the lock's memory
word. This
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