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Date: Fri, 26 Jan 2018 16:43:10 +0000
From: Alan Cox <>
To: "Jason A. Donenfeld" <>
Subject: Re: [PATCH v2] cpu: do not leak vulnerabilities to unprivileged

On Fri, 26 Jan 2018 13:31:58 +0100
"Jason A. Donenfeld" <> wrote:

> While it's public information if the CPU in general has spectre/meltdown
> bugs, it probably shouldn't be as globally obvious to all unprivileged
> users 

As I replied to you last time you posted this

a) The info is already trivially accessible via /proc/cpuinfo or by
measurement to an attacker
b) Some JIT and other environments need to know


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