Date: Sat, 17 Feb 2018 20:19:34 +0000 From: Matt Smith <matt.xtaz@gmail.com> To: Jeremy Chadwick <jdc@koitsu.org> Cc: freebsd-stable@freebsd.org Subject: Re: stable/11 r329462 - Meltdown/Spectre MFC questions Message-ID: <20180217201934.GA51895@gmail.com> In-Reply-To: <20180217194726.GA79666@icarus.home.lan> References: <20180217194726.GA79666@icarus.home.lan>
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On Feb 17 11:47, Jeremy Chadwick wrote: >Reference: https://svnweb.freebsd.org/base?view=revision&revision=329462 > >Do the following new loader tunables and sysctls have documentation >anywhere? I ask because I wish to know how to turn all of this off (yes >you heard me correctly), as not all systems necessarily require >mitigation of these flaws. > +1. I have an Intel Atom D525 "Pineview" which I'm led to believe doesn't have these flaws and therefore unless it's detected and disabled automatically I too would like to have documentation on how to view the current status, and disable it as required. And thank you for pointing this out. I can now just wait a while to see what comes along rather than accidentally upgrading it and killing the already really slow performance. -- Matt
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