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Message-ID: <20180130224340.2zdfqttupugtqww5@pd.tnic>
Date: Tue, 30 Jan 2018 23:43:40 +0100
From: Borislav Petkov <bp@...en8.de>
To: Tim Chen <tim.c.chen@...ux.intel.com>
Cc: David Woodhouse <dwmw@...zon.co.uk>, arjan@...ux.intel.com,
tglx@...utronix.de, karahmed@...zon.de, x86@...nel.org,
linux-kernel@...r.kernel.org, peterz@...radead.org,
pbonzini@...hat.com, ak@...ux.intel.com,
torvalds@...ux-foundation.org, gregkh@...ux-foundation.org,
mingo@...nel.org, luto@...nel.org, linux@...inikbrodowski.net
Subject: Re: [PATCH] x86/speculation: Use Indirect Branch Prediction Barrier
in context switch
On Tue, Jan 30, 2018 at 02:26:53PM -0800, Tim Chen wrote:
> If the process has multiple threads running on different cpus,
I'm talking about issuing the barrier in set_dumpable(). What threads on
multiple CPUs?
--
Regards/Gruss,
Boris.
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