...this month. Often, in cases where a new zero-day is discovered, Microsoft takes two Patch Tuesday cycles to get a patchwritten, tested and released. Still, the emergence of a new zero-day is concerning, according to one security firm...
http://www.internetnews.com/security/article.php/3829126
...section provides information on applying and using the bounce buffer patch on the Linux 2.4 kernel. The bounce buffer patch, written by Jens Axboe, enables device drivers that support direct memory access (DMA) I/O to high-address physical...
http://oss.sgi.com/LDP/HOWTO/IO-Perf-HOWTO/overview.html