From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (193.142.43.55:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 31 Oct 2019 11:05:52 -0000 Received: from us-smtp-2.mimecast.com ([205.139.110.61] helo=us-smtp-delivery-1.mimecast.com) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1iQ8H1-000295-AK for speck@linutronix.de; Thu, 31 Oct 2019 12:05:51 +0100 Received: by mail-wm1-f72.google.com with SMTP id f2so2258770wmf.8 for ; Thu, 31 Oct 2019 04:05:46 -0700 (PDT) Received: from [172.20.53.126] ([91.217.168.176]) by smtp.gmail.com with ESMTPSA id v16sm3546143wrc.84.2019.10.31.04.05.43 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 31 Oct 2019 04:05:43 -0700 (PDT) Subject: [MODERATED] Re: [PATCH v7 1/5] NX 1 References: <1571934870-34323-1-git-send-email-pbonzini@redhat.com> <1571934870-34323-2-git-send-email-pbonzini@redhat.com> <20191030183852.cjaroucepnnmwh5x@treble> From: Paolo Bonzini Message-ID: <2015e1c2-86ed-a46f-9e18-cbae34513cb0@redhat.com> Date: Thu, 31 Oct 2019 12:05:46 +0100 MIME-Version: 1.0 In-Reply-To: <20191030183852.cjaroucepnnmwh5x@treble> Content-Type: multipart/mixed; boundary="hmuAEVI4TWXTOKP51hI0Vb6W9EDH1F7hJ"; protected-headers="v1" To: speck@linutronix.de List-ID: This is an OpenPGP/MIME encrypted message (RFC 4880 and 3156) --hmuAEVI4TWXTOKP51hI0Vb6W9EDH1F7hJ Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 30/10/19 19:38, speck for Josh Poimboeuf wrote: >> --- a/arch/x86/include/asm/cpufeatures.h >> +++ b/arch/x86/include/asm/cpufeatures.h >> @@ -399,5 +399,6 @@ >> #define X86_BUG_MDS X86_BUG(19) /* CPU is affected by Microarchitec= tural data sampling */ >> #define X86_BUG_MSBDS_ONLY X86_BUG(20) /* CPU is only affected by th= e MSDBS variant of BUG_MDS */ >> #define X86_BUG_SWAPGS X86_BUG(21) /* CPU is affected by speculatio= n through SWAPGS */ >> +#define X86_BUG_ITLB_MULTIHIT X86_BUG(22) /* CPU may incur MCE durin= g certain page attribute changes */ > This conflicts with TAA - X86_BUG_TAA is also 22. Pawan said he'd change TAA to 23, but in the end he didn't. Since Joerg's conflict resolution[1] kept TAA as 22 and bumped ITLB_MULTIHIT to 23, let's keep it that way. [1] See message id 20191028160203.GB838@suse.de, subject "Re: ***UNCHECKED*** Re: [PATCH v7 0/5] NX 0". Paolo --hmuAEVI4TWXTOKP51hI0Vb6W9EDH1F7hJ--