Date: Fri, 30 Mar 2001 21:49:26 -0700 From: Warner Losh <imp@harmony.village.org> To: John Baldwin <jhb@FreeBSD.ORG> Cc: qa@FreeBSD.ORG, mobile@FreeBSD.ORG, John Reynolds <jjreynold@home.com>, Mike Smith <msmith@FreeBSD.ORG> Subject: Re: followup to problems with 4.3-RC1 for laptops Message-ID: <200103310450.f2V4ofO08270@harmony.village.org> In-Reply-To: Your message of "Fri, 30 Mar 2001 15:01:16 PST." <XFMail.010330150116.jhb@FreeBSD.org> References: <XFMail.010330150116.jhb@FreeBSD.org>
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In message <XFMail.010330150116.jhb@FreeBSD.org> John Baldwin writes: : That is easy enough to work around, just have the cardbus code mask out : INTR_FAST in its bus_setup_intr and bus_teardown_intr and it will work fine. : This will hurt sio(4) performance some however, but if fast interrupts are a : problem for cardbus you can always turn them off. The problem isn't FAST interrupts with cardbus. The problem is that fast interrupts can't be shared. I don't think sio does anything that requires a fast interrupt, except for the latency issues for the 16550 uarts. They can't tolerate the latency we have in non-fast interrupts in current :-(. Warner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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