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Date: Wed, 10 Jan 2018 02:06:52 +0100 From: Thomas Gleixner <tglx@...utronix.de> To: LKML <linux-kernel@...r.kernel.org> Cc: Linus Torvalds <torvalds@...uxfoundation.org>, x86@...nel.org, Peter Zijlstra <peterz@...radead.org>, Borislav Petkov <bp@...en8.de>, David Woodhouse <dwmw@...zon.co.uk>, Tim Chen <tim.c.chen@...ux.intel.com>, Andrea Arcangeli <aarcange@...hat.com>, Andi Kleen <ak@...ux.intel.com>, Greg KH <gregkh@...uxfoundation.org>, Dave Hansen <dave.hansen@...el.com>, Andy Lutomirski <luto@...nel.org>, Arjan Van De Ven <arjan.van.de.ven@...el.com> Subject: [patch RFC 0/5] x86/spectre_v2: Initial integration of IBRS into the spectre_v2 mechanics I started to look at the IBRS series and this thing really needs a thorough treatment with a steam blaster. So I started that effort by integrating it proper into the existing spectre_v2 command line parsing and mitigation method selection. It's not having any of the actual IBRS bits yet and is completely untested, but I wanted to send it out before falling completely asleep so the folks still awake can take a look and comment or expand/modify. The first patch is from Boris to simplify the cpu feature bits sync after a late microcode load, but it's not yet used. I just added it for reference so people can see where this is heading. I'll continue on that tomorrow morning after picking up a few patches here and there. Applies on top of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/pti Thanks, tglx
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