Date: Mon, 13 Aug 2001 02:27:33 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: Warner Losh <imp@harmony.village.org> Cc: Joe Kelsey <joe@zircon.seattle.wa.us>, current@FreeBSD.ORG Subject: Re: FreeBSD's aggressive keyboard probe/attach Message-ID: <3B779D85.F292A2F@mindspring.com> References: <15222.50892.75406.972475@zircon.zircon.seattle.wa.us> <200108120813.RAA26578@zodiac.mech.utsunomiya-u.ac.jp> <200108130044.f7D0igW03766@harmony.village.org>
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Warner Losh wrote: > > In message <15222.50892.75406.972475@zircon.zircon.seattle.wa.us> Joe Kelsey writes: > : I also second Terry's comment about 0x800. There is no reason to add > : yet more driver flags in order to "do the right thing". The "do the > : right thing" case should always be default and a flag (sysctl variable, > : etc) should be used for those who want "the wrong thing". > > The main reason that it wasn't added at the time was that it was > expensive in terms of CPU utilization, so it shouldn't be on by > default. There may be other reasons as well... ??? It was just recently added; I'd like to see it MFC'ed for 4.4, but certainly, Kazu hasn't been slacking on 0x8000. I personally don't see how it could be more costly in terms of CPU, since it only invokes in the case of a desynchronized mouse event coming in to the mouse driver: e.g. a failure case that only triggers when there's bot a failure, and a monkey on the other end of the mouse cable. 8-). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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