IBM POWER Barrier Synchronization Register support
modulename: bsr.ko
configname: CONFIG_IBM_BSR
Linux Kernel Configuration
└─>Device Drivers
└─>Character devices
└─>IBM POWER Barrier Synchronization Register support
In linux kernel since version 2.6.27 (release Date: 2008-10-09)
This devices exposes a hardware mechanism for fast synchronization
of threads across a large system which avoids bouncing a cacheline
between several cores on a system
of threads across a large system which avoids bouncing a cacheline
between several cores on a system