In message <[EMAIL PROTECTED]>, Andrew Gallatin writes: >Linux already takes care of syncing the TSC between SMP cpus, so we >know it is possible. This seems like a much more doable optimization. >And it is likely to have other benefits..
Validating that the TSC is reliable is a nontrivial task which requires access to a lot of NDA information and an extensive positive/negative list of chips and chipsets. Even in the most recent chips, there are still issues with TSC that makes it unusable as a default timecounter. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"