From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA799C433E0 for ; Fri, 15 May 2020 05:27:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B249520728 for ; Fri, 15 May 2020 05:27:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520433; bh=NFJ5FuW0KTJO4V1Nl6c2VCKmZtgbv1bWnEPgJEoxZh0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:List-ID:From; b=NlQSPB6wtif/4BJHaWCji7Vw8FRSY5N0mb0Luh7wrwEe1Od1un+VCuFL7SVkd2lVN 8qtBwVSb/qLulTLWb557Je4lWpwsTMFJD2+ihl9eAVEe0kNmsjm7b//vCkR5ttuRTV jv57td6H2X5Ovlqj3VLLkhITpsUK0ySPyY0wV50M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726532AbgEOF1N (ORCPT ); Fri, 15 May 2020 01:27:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:35372 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726000AbgEOF1M (ORCPT ); Fri, 15 May 2020 01:27:12 -0400 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C29DC2078C for ; Fri, 15 May 2020 05:27:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589520432; bh=NFJ5FuW0KTJO4V1Nl6c2VCKmZtgbv1bWnEPgJEoxZh0=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=F7TNHl9o/OdVpqMkPuI6314BT3LBX6l316JgT2DM86XCM/7BidO6VPDIA2yILpz9p LaxpGcrHWmvyqJBS9SlrAto5TRSWMCFF8HpSnCh1IEIX+EWvrltV4kxWCxRKUyr0tJ nLGnMaHTXoEBtxqh2jBp6+K1x9QCvlW0C52tHLpI= Received: by mail-wr1-f49.google.com with SMTP id e1so1936280wrt.5 for ; Thu, 14 May 2020 22:27:11 -0700 (PDT) X-Gm-Message-State: AOAM532besbtZunJgtg7rHRy7YSZOEG/igqu6RLGqXOftzNlK06NQoc9 bVFuzjRN5AU/U5vXbg+i4J8sCfOnHFfnrFE4/stEew== X-Google-Smtp-Source: ABdhPJwDH30txnQzcth7DNGJxfj//iyThZ+XjWebQjsepbBNS6+xfv5CgeNzNajpyc/6Lu8V0ppz3nFZYqcWZm8qabA= X-Received: by 2002:adf:eccf:: with SMTP id s15mr2151322wro.70.1589520430301; Thu, 14 May 2020 22:27:10 -0700 (PDT) MIME-Version: 1.0 References: <20200505134926.578885807@linutronix.de> <20200505135314.716186134@linutronix.de> In-Reply-To: <20200505135314.716186134@linutronix.de> From: Andy Lutomirski Date: Thu, 14 May 2020 22:26:59 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [patch V4 part 4 14/24] x86/nmi: Protect NMI entry against instrumentation To: Thomas Gleixner Cc: LKML , X86 ML , "Paul E. McKenney" , Andy Lutomirski , Alexandre Chartre , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 5, 2020 at 7:16 AM Thomas Gleixner wrote: > > Mark all functions in the fragile code parts noinstr or force inlining so > they can't be instrumented. Acked-by: Andy Lutomirski