Messages in this thread | | | Date | Sun, 04 Feb 2007 15:12:32 -0500 | From | Bill Davidsen <> | Subject | Re: [ANN] Userspace M-on-N threading model implementation. Alpha release. |
| |
Arjan van de Ven wrote: >> Because user threading can avoid context switches, there will always be >> cases where it will outperform o/s threads for hardware reasons. > > actually.. switching from one "real" thread to another in Linux is not > an actual context switch in the hardware sense... at least this part of > your argument seems to be incorrect ;) > How does that work? Switching between kernel threads requires going into the kernel, user level thread switches are all done in user mode.
Do you have some way to change o/s threads w/o going into the kernel?
-- Bill Davidsen <davidsen@tmr.com> "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |