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 DEF1C1B423A; Mon, 9 Dec 2024 15:36:49 +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=1733758612; cv=none; b=I961GwJQActOPNwFUhwxZKLIl1Suy3pt7kbgU8RYcPUSrA9bMKL0+5AsOj8v+azoabW2DwNQLRX0qF+NwH4lKU/6mL/fs8m/WY4uhE2O6iFKWz5s7rVwSA7HRzFznIi45Cvs5Lqm90A00xgC+ry1V2PaZzD7OCyTMhhdujA49i0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733758612; c=relaxed/simple; bh=u23xpMXKDQXAXNTTSJUN3dEZ4DGr+vUhy9HWCwQtvKo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CIM0rx8DreKyy5pfwiYKMcWubVN1Wx2QBgqDiMMRtz8SGhuCcGEEpuIHR3rZWawVyccv5NuQ/p0Ap9/ZPyNN9Axx8Icih8jaQPK7AXaY+FgCdf9UTC262lHtlf1Iq3NPo6SIZmhDzQqW27kz8q3d+1sB1uBS07Ym4aNO5JmbOtI= 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=GkaIK0jF; 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="GkaIK0jF" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 8C9A440E019C; Mon, 9 Dec 2024 15:36:47 +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 mDGC-KkFxf3S; Mon, 9 Dec 2024 15:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1733758603; bh=VZlFuj5FtSkwHLOMN8Qj73EIeqPOllgrKoefjKTnmGM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GkaIK0jFeHn8M7Ifzp1RpLzJczd8cePBeIVh3mGbzKeDv8PenkSOe5lotLM7BTNmw nkmlQrZIfWMd7uleDdabhyUHMW9AE5OorZhuhgixfDAxceb8CCWBB4hQ+MQbnWVG82 0Se4d8wnVBqyhCQcdY9bD3r1UjuibQv7kO5AXUpcgQGcmh6unHqmKXRFReAAxxffGr jVLeAkkgKk5xB60L/ofFCNBjJyAZwlHDLj7lnRWCQZLKFtVfAGvWf3hbvqwojFDU48 a8qskefOO2ZROyLpTc0ycncVaK1QFUMRlmCzSqWPc8a6qJ7TNyrzZMmEUGTS8H57mW jhLA4X5D/zbRa8Mx3kiGEPeu4s8e3CgdMCnwLGgwEmpnHYY8MFivFfC4LRl2LyDIwu y1WRY1uOFfNG60NMBGI+QtVysQAmTPzvITR/0AEWN4Fk5GRiq+WYfnX0F0ZySEv+kF 4Ddg03TvXfeNNTFLWk7pVvPUXRuk8wetM/V+HqP31qAmF/F4trUTnaV4yWdvuvFdDP G7EWuvoEsPcv4o6ME9flx88WRWjueVUjuogyVK80QL6ancARHLAZeZxK+WhA8SeVbY pl5nLWPpOULwkYMU5BYv17QE6ITls/bUJg0qGGYQ5IzYEaN0VlOdN0ynUoahFxI4Jf WVJ6014zng+sOOqFs9i3j06w= Received: from zn.tnic (p200300Ea971f9307329C23fFfea6A903.dip0.t-ipconnect.de [IPv6:2003:ea:971f:9307:329c:23ff:fea6:a903]) (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 3C19940E015E; Mon, 9 Dec 2024 15:36:31 +0000 (UTC) Date: Mon, 9 Dec 2024 16:36:25 +0100 From: Borislav Petkov To: Dionna Amalie Glaze Cc: "Nikunj A. Dadhania" , linux-kernel@vger.kernel.org, thomas.lendacky@amd.com, x86@kernel.org, kvm@vger.kernel.org, mingo@redhat.com, tglx@linutronix.de, dave.hansen@linux.intel.com, pgonda@google.com, seanjc@google.com, pbonzini@redhat.com Subject: Re: [PATCH v15 01/13] x86/sev: Carve out and export SNP guest messaging init routines Message-ID: <20241209153625.GDZ1cOeYjTYDoN_oVC@fat_crate.local> References: <20241203090045.942078-1-nikunj@amd.com> <20241203090045.942078-2-nikunj@amd.com> <20241203141950.GCZ08ThrMOHmDFeaa2@fat_crate.local> <20241204200255.GCZ1C1b3krGc_4QOeg@fat_crate.local> <8965fa19-8a9b-403e-a542-8566f30f3fee@amd.com> <20241206202752.GCZ1NeSMYTZ4ZDcfGJ@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: On Fri, Dec 06, 2024 at 04:27:40PM -0800, Dionna Amalie Glaze wrote: > Given sev-guest requires heightened privileges, can we not assume a > reasonable user space? And that sev-guest driver runs in the guest so the worst that can happen is, the guest gets killed for misbehaving. Oh well... I guess that's ok. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette