a syscall isn't a context-switch. I remember hearing someone say that
mingo has patches to bring it down to 30us. That's not a lot :-)
> A better way would be (say) a sysctln() that would take a whole list of
> items and return them all in a single pair of context switches.
> (*Setting* N items in one call leads to difficulties with partial success,
> so maybe it should be a read-only sysjustshowmen(). :-)
Like readv/writev?
-- Matthew Wilcox <willy@bofh.ai> "Windows and MacOS are products, contrived by engineers in the service of specific companies. Unix, by contrast, is not so much a product as it is a painstakingly compiled oral history of the hacker subculture." - N Stephenson- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/