On Wed, 18 Jul 2007 20:48:21 +0100 (BST) Robert Watson <rwatson_at_FreeBSD.org> wrote: >On Wed, 18 Jul 2007, Scott Bennett wrote: > >> [Cc: list trimmed a bit more --SB] >> On Tue, 17 Jul 2007 23:42:14 +0200 Max Laier <max_at_love2party.net> >> >>> [ Excess CC-list ... testers needed!!! ] >>> >>> On Tuesday 17 July 2007, Robert Watson wrote: >> >> I missed Robert Watson's start of thread, so I'm jumping in here >> with a question. >> >>>> This is a reminder e-mail that, in the very near future, Giant >>>> compatibility shims for network protocols will be removed. >> >> How, if at all, will this affect qemu users? qemu exits unless AIO is >> present in the kernel (or aio.ko has been kldload-ed). In FreeBSD 6.2, AIO >> results in a warning message at boot time that says AIO is not MPSAFE and >> that therefore the networking stack will take a deep performance hit. > >Per several earlier e-mails in the thread, AIO is MPSAFE in FreeBSD 7.0 and, >as such, unaffected by this change. As a result, I would expect that >applications depending on AIO should now perform significantly better (but >have done no measurement in this area). > Great! Thanks for this news. My apologies for missing the previous messages. Scott Bennett, Comm. ASMELG, CFIAG ********************************************************************** * Internet: bennett at cs.niu.edu * *--------------------------------------------------------------------* * "A well regulated and disciplined militia, is at all times a good * * objection to the introduction of that bane of all free governments * * -- a standing army." * * -- Gov. John Hancock, New York Journal, 28 January 1790 * **********************************************************************Received on Wed Jul 18 2007 - 17:54:48 UTC
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