Linux: Removing The Big Kernel Lock
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Arnd Bergmann noted that he's working on removing the BKL from the Linux kernel, "I've spent some time continuing the work of the people on Cc and many others to remove the big kernel lock from Linux and I now have [a] bkl-removal branch in my git tree". He went on to explain that his branch is working, and lets him run the Linux kernel, "on [a] quad-core machine with the only users of the BKL being mostly obscure device driver modules." Arnd noted that this effort has a long history, "the oldest patch in this series is roughly eight years old and is Willy's patch to remove the BKL from fs/locks.c, and I took a series of patches from Jan that removes it from most of the VFS."
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