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From: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
To: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] spectre hardware-software cooperative mitigation
Date: Fri, 18 Jan 2019 15:07:06 +0000	[thread overview]
Message-ID: <20190118150706.7b1b9e31@alans-desktop> (raw)
In-Reply-To: <CAPweEDyV487=EWqAibc5g_yhtuvy3w2qabCSOqh32q38rrXLSw@mail.gmail.com>

> This is going to be a mammoth task. The alternatives are to continue
> as things are, which is a mess that cannot be cleaned up by either of
> (mutually exclusive) hardware or software alone.
> 
> Thoughts and feedback appreciated.

You need to be talking to the JIT developers not asking here I think.
Speculative attacks in JIT environments is a topic an order of magnitude
or more complex than the kernel cases because there isn't even process
isolation between the JIT, JIT engin eand support logic.

Alan

  reply	other threads:[~2019-01-18 15:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAPweEDyvUdGvwy4u5qoA2QgDow0npZBMqjeMiU2RqzrJ_q4Omw@mail.gmail.com>
2019-01-14 18:55 ` [RFC] spectre hardware-software cooperative mitigation Luke Kenneth Casson Leighton
2019-01-18 15:07   ` Alan Cox [this message]
2019-01-19 11:06     ` Luke Kenneth Casson Leighton

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