Date: Fri, 15 May 1998 16:06:41 -0500 (EST) From: "John S. Dyson" <dyson@FreeBSD.ORG> To: hasty@rah.star-gate.com (Amancio Hasty) Cc: dyson@FreeBSD.ORG, hasty@rah.star-gate.com, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG, cvs-sys@FreeBSD.ORG Subject: Re: cvs commit: src/sys/i386/i386 pmap.c Message-ID: <199805152106.QAA03242@dyson.iquest.net> In-Reply-To: <199805152057.NAA08998@rah.star-gate.com> from Amancio Hasty at "May 15, 98 01:57:34 pm"
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Amancio Hasty said: > > Why is it tricky to enable write-combining for a vga physical memory? > It is tricky because not all cards correctly specify the memory type. Also, on SMP, the processors have to be kept in sync, and the memory type is in per-processor registers. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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