Date: Mon, 20 Mar 2000 21:00:08 +0100 From: Guido van Rooij <guido@gvr.org> To: Warner Losh <imp@village.org> Cc: hackers@freebsd.org Subject: Re: splFoo() question Message-ID: <20000320210008.A59405@gvr.gvr.org> In-Reply-To: <200003182031.NAA97975@harmony.village.org>; from Warner Losh on Sat, Mar 18, 2000 at 01:31:28PM -0700 References: <200003182031.NAA97975@harmony.village.org>
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On Sat, Mar 18, 2000 at 01:31:28PM -0700, Warner Losh wrote: > > I'd like to be able to do some simple spl locking in a driver that I'm > writing. While I could go the splhigh() route, I'm concerned that > spending lots of time at splhigh could cause problems, and some of my > critical sections look to be very expensive. They only need > protection against the card itself, not against the entire system. It > just seems to be an overly large hammer. > perhaps we need some mutex mechanism? -Guido To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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