tree 86dd372e2ea90adceefa57cf324fc29c5ae64faf
parent b70659d8ea4a0f67694125a340186da96afa4210
author David 'Digit' Turner <digit@google.com> 1327415214 +0100
committer David 'Digit' Turner <digit@google.com> 1327914821 +0100

libc: remove global lock from recursive mutex implementation.

This optimization improves the performance of recursive locks
drastically. When running the thread_stress program on a Xoom,
the total time to perform all operations goes from 1500 ms to
500 ms on average after this change is pushed to the device.

Change-Id: I5d9407a9191bdefdaccff7e7edefc096ebba9a9d