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LinuxDevices: Linux Gets Real (-time)

Jan 12, 2004, 13:00 (4 Talkback[s])

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"Metrowerks Senior Software Engineer and veteran real-time programmer Bernhard Kuhn has created a Linux kernel patch that he claims enables hard, real-time performance in the Linux kernel by adding priorities to interrupts and spinlocks. Kuhn believes his approach to be more 'natural' and akin to traditional real-time operating systems (RTOSs) than the dual-kernel approach taken by real-time projects such as RTAI and RTLinux, and he is hopeful that his patch might one day win enough interest and support to become part of the official Linux kernel tree.

"Kuhn announced the patch today in a post to the Linux kernel mailing list, the rtai-dev mailing list, and the Consumer Electronics Linux Forum's member list, among other places. The patch was completed during several 'breakthrough' days over the holiday breaks, according to Kuhn, but represents years of work on Kuhn's part toward a Linux kernel capable of supporting real-time interrupts..."

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