Date: Wed, 28 May 1997 12:13:38 -0600 From: Steve Passe <smp@csn.net> To: mef@cs.washington.edu Cc: smp@FreeBSD.ORG, ulbright@cs.washington.edu Subject: Re: SMP_PRIVPAGES Message-ID: <199705281813.MAA13794@Ilsa.StevesCafe.com> In-Reply-To: Your message of "Wed, 28 May 1997 09:11:52 PDT." <199705281611.JAA29127@tweetie-bird.cs.washington.edu>
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Hi, > What is the plan with using the SMP_PRIVPAGES stuff? Does it work? > (well, I'll find out in an hour or so). not yet, but hopefully soon. --- > As some of you know, we are using some of the FreeBSD SMP code to make > our own operating system (SPIN) work on multiprocessors. One thing interesting this is the first I've heard of this... --- > that I'm working on now is obtaining the CPUID in various components > (scheduler mostly right now). Rather than executing a bunch of > instructions to extract the logical CPUID from the apic_base, I'd > rather just place dereference CPU private data that contains the CPUs > logical id. My plan is to just use the existing SMP_PRIVPAGES support > to place CPU private data in those pages. thats exactly why we're creating them. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD
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