Date: Tue, 4 Feb 1997 06:47:52 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: michaelh@cet.co.jp (Michael Hancock) Cc: freebsd-smp@freebsd.org Subject: Re: [?] TLB Flushing on Context Switch PPro vs. Pentium Message-ID: <199702041147.GAA05042@dyson.iquest.net> In-Reply-To: <Pine.SV4.3.95.970204111305.15030A-100000@parkplace.cet.co.jp> from "Michael Hancock" at Feb 4, 97 11:15:45 am
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> The PPro doesn't automatically flush the TLB on context switch like the > Pentium did. What else does the PPro do differently? > On the non-SMP kernel, we specifically set the PG_G flag that keeps the kernel pages in the TLB on PPro. I have also been playing with the idea of using 4MB pages (which the P5 also unofficially supports.) John
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