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Message-ID: <20180126164310.13a29ad2@alans-desktop>
Date: Fri, 26 Jan 2018 16:43:10 +0000
From: Alan Cox <gnomes@...rguk.ukuu.org.uk>
To: "Jason A. Donenfeld" <Jason@...c4.com>
Cc: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v2] cpu: do not leak vulnerabilities to unprivileged
users
On Fri, 26 Jan 2018 13:31:58 +0100
"Jason A. Donenfeld" <Jason@...c4.com> 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
Alan
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