Date: Wed, 17 Jan 2018 00:28:54 +0800 From: blubee blubeeme <gurenchan@gmail.com> To: Dave B <g8kbvdave@googlemail.com> Cc: FreeBSD <freebsd-questions@freebsd.org> Subject: Re: Speculation & meldown. Nothing new! Message-ID: <CALM2mEng5_E29SoTYRR8pc=m=sKZvNrcv_yJFh6pUy%2B=0BCb4w@mail.gmail.com> In-Reply-To: <76499e59-497e-bb96-7adc-4484da8197d4@googlemail.com> References: <mailman.86.1516104007.66743.freebsd-questions@freebsd.org> <76499e59-497e-bb96-7adc-4484da8197d4@googlemail.com>
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On Tue, Jan 16, 2018 at 9:17 PM, Dave B via freebsd-questions < freebsd-questions@freebsd.org> wrote: > Here you go. From SN show notes for episode 645, aired last week. > > From:- https://www.grc.com/sn/sn-645-notes.pdf Page 12 of 13. > > > WhatWhat's Old is New Again... > 1995: "The Intel 80x86 Processor Architecture: Pitfalls for Secure > Systems." > https://pdfs.semanticscholar.org/2209/42809262c17b6631c0f6536c91aaf7 > 756857.pdf > 1995: on page 9 under section "4.2 Security Flaws": Item 6. Prefetching > may fetch otherwise > inaccessible instructions in Virtual 8086 mode. (From a paper in 1992!) > -- 25 years ago. > > > Enjoy. > > Dave B. > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" > Yea but look at those single core performance speeds! /s How does performance stack up now when valid security practices are applied?
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