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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 4 Jan 2018
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      I'm just going to point out that the people involved in coordinating disclosure on Meltdown/Spectre have done a terrible job of agreeing on names/categories for the various bugs and CPU impact. Even post-disclosure there's still a mess of speculation on what bug affects what CPUs

      5 replies 26 retweets 58 likes
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    2. Hector Martin‏ @marcan42 4 Jan 2018
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      The academics call them Meltdown/Spectre, Google calls them Variant 1-3 (each with a CVE), and there's no good matrix of what bug affects what (which CPUs, kernel leaks, same-context leaks, cross-process leaks, etc).

      3 replies 8 retweets 17 likes
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    3. Hector Martin‏ @marcan42 4 Jan 2018
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      The Spectre paper claims ARM is impacted but gives zero details beyond "initial testing has confirmed that ARM processors are impacted as well". WTF does that even mean? Which processors and which exploit scenario?

      5 replies 7 retweets 24 likes
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    4. expendable‏ @reemplazable 4 Jan 2018
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      Replying to @marcan42

      To me it seems kind of on purpose to un-focus Intel and focus on "systemic" which is not.

      1 reply 0 retweets 1 like
      Hector Martin‏ @marcan42 4 Jan 2018
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      Replying to @reemplazable

      The broader speculation attacks affect many CPUs. The easiest to exploit, worst attack affects Intel particularly.

      7:04 AM - 4 Jan 2018
      0 replies 0 retweets 0 likes

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