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 5F4B22FCBF4; Mon, 25 Aug 2025 15:55:04 +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=1756137307; cv=none; b=KAbfYGjNM5Y89NTygluFuR2IGK7m3vBvsOfBkVPGwZRb4igljgwXLnDIW23omx/ySLuFZW7S9HvgdjPY3fnNZXaU6qwiVmYHsC4aylqHLXcU+0SBO2qnlUwfC5bcldU6n74rMO2QSGju/dgoPvaOkA3eGl92UaKIir4EdGj12+8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756137307; c=relaxed/simple; bh=4j5cPccNoo1GvUX/Bio206S/2RoD4+EFZU6pa0pdd4A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DiiIFqzAbKAX4TbFZKxIqH3Kz/PnNFT4PKS8mrIYpU89axgs5Lho7u/742tWEb37zv0uSkDn3rtxZF7pl49j2VNJUZEv2dgZzMeVaspRAaTPZGLJZG5VROrwUlVERYPgHK1VL6PtmRc89zj82wlqvdBXRCXGyjVGdwCSP68cPec= 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=g/4Zs9GO; 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="g/4Zs9GO" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 140C440E016C; Mon, 25 Aug 2025 15:55:02 +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 p5z28Zn20_wF; Mon, 25 Aug 2025 15:54:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1756137298; bh=zmk6X8NNKl7QU6B3Y7nFOLjJmQptP/tyBeLMXSCuEGA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g/4Zs9GOc24CPDwyfDTvyeTn/abKlvSVJE2bwzHW8UUc2/pNACZkwogND71PmS1uI 4upmfV830oFaxEj/2ZXTG+F1leVIciDxVjJIEFLobiMIQUbWGqhz5fWLTwn4QDxc40 E3PLSSXfOCX8sGJtJU28TligiiHYC2686mMQXptwOG7Az7kaXqNli+t506ZFneP3Zf 0NUKe7TYN62kI6yUCTE+yO4zxXOaF9Ju9tFpBFuQqEeyC3nZeBtNavtQP0qbzjsxY2 EW3WztQtnMZiQE/hyU4ltbjgJhXY7tBcONZGMBsF2wt+juczi/sldde4+ftSvv+Eyw 3hW0tNMx/OnfrmZGN9H6/jJvLA4w8USgXoN6HltuHekZEIVtbQnio8hyg5PYyR5wZq sZCGSvXxGoBXzekdv53eokMCo8PEHWqQtW2O0JzwcgYPs575Yesq0acRBYa8yv3Zrs SKizvLlg/98aD57C41p2c5/adZHY9+r3qws/LDrfmiT9bJeeFlYFbvwLirdGGX5nyt l6prJLizis5OaeZbAOR00iNTQeZTyS9Bq2XP0NF2ZKBwFExQrIDe8BdNgKsMWQ2L7e w74V7HwUoHWEFN/8UrgpvNEcilm4t0HdxsfCO2a1Fg4/eGx+LMYzDUho40kfJYoGiy szENSV/idrkrQagP7+Pk6ntw= Received: from zn.tnic (pd953092e.dip0.t-ipconnect.de [217.83.9.46]) (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 9093A40E0217; Mon, 25 Aug 2025 15:54:37 +0000 (UTC) Date: Mon, 25 Aug 2025 17:54:30 +0200 From: Borislav Petkov To: Neeraj Upadhyay Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, Thomas.Lendacky@amd.com, nikunj@amd.com, Santosh.Shukla@amd.com, Vasant.Hegde@amd.com, Suravee.Suthikulpanit@amd.com, David.Kaplan@amd.com, x86@kernel.org, hpa@zytor.com, peterz@infradead.org, seanjc@google.com, pbonzini@redhat.com, kvm@vger.kernel.org, huibo.wang@amd.com, naveen.rao@amd.com, francescolavra.fl@gmail.com, tiala@microsoft.com Subject: Re: [PATCH v9 16/18] x86/apic: Enable Secure AVIC in Control MSR Message-ID: <20250825155420.GBaKyHLA70ShAp_s8d@fat_crate.local> References: <20250811094444.203161-1-Neeraj.Upadhyay@amd.com> <20250811094444.203161-17-Neeraj.Upadhyay@amd.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: <20250811094444.203161-17-Neeraj.Upadhyay@amd.com> On Mon, Aug 11, 2025 at 03:14:42PM +0530, Neeraj Upadhyay wrote: > #define MSR_AMD64_SNP_RESV_BIT 19 > #define MSR_AMD64_SNP_RESERVED_MASK GENMASK_ULL(63, MSR_AMD64_SNP_RESV_BIT) > #define MSR_AMD64_SECURE_AVIC_CONTROL 0xc0010138 > +#define MSR_AMD64_SECURE_AVIC_EN_BIT 0 > +#define MSR_AMD64_SECURE_AVIC_EN BIT_ULL(MSR_AMD64_SECURE_AVIC_EN_BIT) ..._SAVIC_... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette