From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BE11339DBF5; Mon, 23 Mar 2026 12:26:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774268781; cv=none; b=gHoJgOmeOwYQBnoYf1Zt0O5ncIsoHQspt1VjDN8zD+7jH4Q4LBvYLgfFmg7Wp6ryAy8uAbMyu75M8PWImA33Pz7e0inhrqfFf8zCbRWsjFFf4YFwduTKYvemwyo6Gjb5IWTnbV17fo0YI9ezaFNfgSCwmV4O8+nejNZfsYBZ/wk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774268781; c=relaxed/simple; bh=02CW1zo3VtJ+LkKlJtXh2NPLViguBJf3ls1bJM/IMsw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=elwQI+IZfAd+KOe7KY2zfjVxOKa2A16LWQtXG3DMmW9x4XiIg21uwzs65TBaWGn+3jeAEueIZZ7DphBJbVwBPvBWUgeuavbvwnZxllyQXQXxHtb2ZZkemniO5ae9/XVe3G9acNmca0sq6bTRdALPZWs4MVYK8V1lNg0KwhabCak= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=fail (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=LAWPTfws reason="signature verification failed"; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="LAWPTfws" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id C1A5C40E015C; Mon, 23 Mar 2026 12:26:17 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=fail (4096-bit key) reason="fail (body has been altered)" header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id sOHSPL23_WBj; Mon, 23 Mar 2026 12:26:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1774268773; bh=TlbpZ/IDr1EIxN7Gg8vmtmglEcJA+ZrxgWpbVKQ9Trw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LAWPTfwsrQxMKAHdzU6o1X/Xj/r4a2a6O1Ittg9gZDn5mVOI9wRO/QWP5igLlh9kR QkQmFye7jej7duenP0/4fmqvTiXnLaXP4wUIKm/VC65xZ6EbJvEX+jzhkQBJjPwwHG O/mD2y/+ufYj1OrCqHZZ3Dr9nAZw2l+86N3RYeDtinKNDRjgYcXmqx1f3KJ6SXEn7P R1p3oQXmZS/RGRPKJKpm4ZFPgRVSMSG0T+cIYwqxh38XzHFS6DLTGR+A0bbk31IV6L X/FctvZJFSfZTKzVcwTR1LjYGL5pjdPKOlWV3Yi3VWqdtCtiWGhu5V1hWGFw1BBdN5 I1ZKyoWfKgTpJGoZQoi84/l7a96mwRbT1qUzItMfNxMcfZquCbq5YoWvtQZQ1FNxKy C+Is8BXunQsm8f6bQ+bCh31xVCn5LiOlvRYs6ld3cyi5pXxCju8JUqAiS52hSSKSFY RNsSCAVeojpGZx5OEwIVJY0L7CLU+wRwmZYqCWYXEynW8ENvJpYIFDvR97XvOWxmxZ jJHVifJt7QGw4c7p6IcKEpZf6B9y6azAhoEqs6qrYAy3TebNUGVp1ZhuAQ7hxNb9qc +UCo4XErYN8phImP3ihqNaJlBYfOkGNQkhkqJyNIOJ8BLiJkuAcKEZkfzmCn+e69R2 njTBpsup6zlBo8Jr3qEq8h9M= Received: from zn.tnic (p5de8e020.dip0.t-ipconnect.de [93.232.224.32]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with UTF8SMTPSA id C720A40E0194; Mon, 23 Mar 2026 12:26:05 +0000 (UTC) Date: Mon, 23 Mar 2026 13:26:03 +0100 From: Borislav Petkov To: Paolo Bonzini Cc: "Kernel Mailing List, Linux" , kvm , Jon Kohler , Marcelo Tosatti , Nikunj A Dadhania , Amit Shah , Sean Christopherson Subject: Re: [PATCH 18/22] KVM: SVM: add GMET bit definitions Message-ID: <20260323122603.GCacExW2F6WrBcuhBX@fat_crate.local> References: <20260321000931.1947084-1-pbonzini@redhat.com> <20260321000931.1947084-19-pbonzini@redhat.com> <20260321115826.GCab6H4lNYIih_g0B0@fat_crate.local> <20260321154219.GEab68W-ln67dqTB5x@fat_crate.local> <20260323121708.GAacEvRNp0sFRf8dA-@fat_crate.local> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable On Mon, Mar 23, 2026 at 01:22:10PM +0100, Paolo Bonzini wrote: > On Mon, Mar 23, 2026 at 1:17=E2=80=AFPM Borislav Petkov = wrote: > > This is the key question: what in userspace is going to parse /proc/c= puinfo > > and look for "gmet"? >=20 > To be honest probably not. They can open /dev/kvm and call > KVM_GET_SUPPORTED_CPUID to get the same information. >=20 > The difference is that /proc/cpuinfo will always have gmet even if the > module parameter is zero, while /dev/kvm won't. Based on your other > message, it seems like you want this to be a bug rather than a > feature, so let's shelve this, can you ack it with "" instead? Right, you don't need to add any "" anymore - just a normal comment and t= hat's it. Lemme reply to the patch. And *if* we ever decide that we need to show it to userspace, we can alwa= ys do that later but then we'll actually have a proper justification for doing = so. Thx. --=20 Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette