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 C4ED425634; Fri, 1 Nov 2024 15:41:19 +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=1730475683; cv=none; b=ndck7yUjTy0dkjUjZjmVwFUdKH36Z1T6XrmCmJ+d/Qd7SISKyqhhOiEvRPsbkTlDZ29I+9k9yUExTpiWP1t6E/oNtJDKUzty7Hz3NdcOjGPigbjl4JhqiIXwhoBHv7zuJibyjTDAsxWwJw+hkI0c8LsvSTF02dtHqTRYPMpAZaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730475683; c=relaxed/simple; bh=cGmqoPAClduOyOt6XXt32hAdlqVHl7u7myhZia60Ugs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bpK0tIEtzNEc1Xwx9EOVBa8JnWIqYvU6tZ+YRyZpUYxuX/AM+JM8QUZ5/xSbsmTYNGXtD0NtkeFboGhurqy6QOXxfQ44GYiwA6O0rYAxsQlPtSJ9tI+ayQk8lJVcmaR96P2Fka4a+YeLQch502/kEpIhnhdTVfRtGHBVovaxebk= 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=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=LgLRdBuU; 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=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="LgLRdBuU" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id C161240E0219; Fri, 1 Nov 2024 15:41:11 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) 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 oFcti8NUH9nU; Fri, 1 Nov 2024 15:41:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1730475666; bh=2WQgbUYhsxZ+e+B0X/oet6pigceEqqN6jbulC7IX3jw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LgLRdBuU00QFUL5OUFiav9RxkYTc4r1N/GUtn/dy3eEubIYz1dzPFqfLtERNlrQQT ombbZqBKAUiwrieogPIRiMRqDptPe1DBw1c9E+/PZ571gYY9yVPFqE9yAOrpM66Z3s lhsLVvRWcMP3C5odi0ja+do3IZk1Lr9242aKCqzPWKrtGV5yTFLmkF7RR9W1QKL+Dp o5aNr4JmBrLgU9+U9GWNEt/hUU2fwUOmVLh9+54YlYq7SbZVZCd0IM+qh4vEiwS6AF CIhB5ONLTjcGqDAq6VhiBKQoNIihFGEilxJeDXjQ+l73at/CA1ul/WyoKW5T2ikjPb RQFdqRHmVgCo+nbGu+R/KmJ//C4XYXqWqmhi3+QpEHBQtTwpcsoi2hRafkfemYLx0z Yd8RycqAVdppVHV9KtlesRene4pmChgA+Gp7giOEROKy3tjjHSDDw4aVLpS2lDtJ02 73Nfm+Kcj2Xt71nXGNdrbFm19UW+bfzvES6CzEBTIFZ/pxnijYT5+LradCpESturvM WeoaeJMnJ6CTyFwapQL9lNmIjuilu1hlp7oDPiNjnVNu+JQbHwW2O3lX28ynp/ANJ2 BFwk2AyBpNb09mz6dHEe3iS6fwF9WZuC7euNunangNTchn8fbIuWmVsFlddSLNghlH /8iqJRLE4m8b0N6yYEr/x/O8= Received: from zn.tnic (p5de8e8eb.dip0.t-ipconnect.de [93.232.232.235]) (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 ESMTPSA id 5D44340E015F; Fri, 1 Nov 2024 15:40:52 +0000 (UTC) Date: Fri, 1 Nov 2024 16:40:51 +0100 From: Borislav Petkov To: Sean Christopherson Cc: kvm@vger.kernel.org, Jim Mattson , dave.hansen@linux.intel.com, hpa@zytor.com, jpoimboe@kernel.org, kai.huang@intel.com, linux-kernel@vger.kernel.org, mingo@redhat.com, pawan.kumar.gupta@linux.intel.com, pbonzini@redhat.com, sandipan.das@amd.com, tglx@linutronix.de, x86@kernel.org Subject: Re: [PATCH v5 0/4] Distinguish between variants of IBPB Message-ID: <20241101153857.GAZyT2EdLXKs7ZmDFx@fat_crate.local> References: <20241011214353.1625057-1-jmattson@google.com> <173039500211.1507616.16831780895322741303.b4-ty@google.com> 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: <173039500211.1507616.16831780895322741303.b4-ty@google.com> On Thu, Oct 31, 2024 at 12:51:33PM -0700, Sean Christopherson wrote: > [1/4] x86/cpufeatures: Clarify semantics of X86_FEATURE_IBPB > https://github.com/kvm-x86/linux/commit/43801a0dbb38 > [2/4] x86/cpufeatures: Define X86_FEATURE_AMD_IBPB_RET > https://github.com/kvm-x86/linux/commit/99d252e3ae3e ff898623af2e ("x86/cpufeatures: Define X86_FEATURE_AMD_IBPB_RET") -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette