From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Avi Kivity <avi@scylladb.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Proposal: CAP_PAYLOAD to reduce Meltdown and Spectre mitigation costs
Date: Sat, 6 Jan 2018 20:02:32 +0000 [thread overview]
Message-ID: <20180106200232.67387c5a@alans-desktop> (raw)
In-Reply-To: <a5398c4e-be02-0de6-5c76-c37320011eef@scylladb.com>
> I propose to create a new capability, CAP_PAYLOAD, that allows the
> system administrator to designate an application as the main workload in
> that system. Other processes (like sshd or monitoring daemons) exist to
> support it, and so it makes sense to protect the rest of the system from
> their being compromised.
Much more general would be to do this with cgroups both for group-group
trust and group-kernel trust levels.
Alan
next prev parent reply other threads:[~2018-01-06 20:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-06 19:33 Proposal: CAP_PAYLOAD to reduce Meltdown and Spectre mitigation costs Avi Kivity
2018-01-06 20:02 ` Alan Cox [this message]
2018-01-07 9:16 ` Avi Kivity
2018-01-07 12:29 ` Theodore Ts'o
2018-01-07 12:34 ` Ozgur
2018-01-07 12:51 ` Avi Kivity
2018-01-07 18:06 ` Theodore Ts'o
2018-01-06 20:24 ` Willy Tarreau
2018-01-07 9:14 ` Avi Kivity
2018-01-07 17:39 ` Willy Tarreau
2018-01-07 14:36 ` Alan Cox
2018-01-07 15:15 ` Avi Kivity
2018-01-07 17:26 ` Willy Tarreau
2018-01-08 1:33 ` Casey Schaufler
2018-01-18 22:49 ` Pavel Machek
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