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Date: Tue, 30 Jan 2018 22:57:31 +0100
From: Borislav Petkov <bp@alien8.de>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: David Woodhouse <dwmw@amazon.co.uk>, arjan@linux.intel.com,
	tglx@linutronix.de, karahmed@amazon.de, x86@kernel.org,
	linux-kernel@vger.kernel.org, peterz@infradead.org,
	pbonzini@redhat.com, ak@linux.intel.com,
	torvalds@linux-foundation.org, gregkh@linux-foundation.org,
	mingo@kernel.org, luto@kernel.org, linux@dominikbrodowski.net
Subject: Re: [PATCH] x86/speculation: Use Indirect Branch Prediction Barrier
 in context switch
Message-ID: <20180130215731.pszc5u4gcc32ds4v@pd.tnic>
References: <1517263487-3708-1-git-send-email-dwmw@amazon.co.uk>
 <20180130203836.bsgme6kf6hstgbrx@pd.tnic>
 <024dd53b-1912-34fa-deb8-550c111df521@linux.intel.com>
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On Tue, Jan 30, 2018 at 01:03:20PM -0800, Tim Chen wrote:
> So it doesn't seem to be very practical attack if the victim has set
> itself to be non-dumpable.

Probably, but considering how cheap our fix is, we might just as well
plug that hole too.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.