From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A3D1C433EF for ; Mon, 15 Nov 2021 14:05:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3C86261ACE for ; Mon, 15 Nov 2021 14:05:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3C86261ACE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id CB43F6B0078; Mon, 15 Nov 2021 09:05:55 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C61A86B007D; Mon, 15 Nov 2021 09:05:55 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B50CE6B007E; Mon, 15 Nov 2021 09:05:55 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0104.hostedemail.com [216.40.44.104]) by kanga.kvack.org (Postfix) with ESMTP id A89D76B0078 for ; Mon, 15 Nov 2021 09:05:55 -0500 (EST) Received: from smtpin03.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 6F0AA82499B9 for ; Mon, 15 Nov 2021 14:05:55 +0000 (UTC) X-FDA: 78811338270.03.4EDACAF Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by imf13.hostedemail.com (Postfix) with ESMTP id 82D291052329 for ; Mon, 15 Nov 2021 14:05:39 +0000 (UTC) Received: by theia.8bytes.org (Postfix, from userid 1000) id D6E13398; Mon, 15 Nov 2021 15:05:47 +0100 (CET) Date: Mon, 15 Nov 2021 15:05:41 +0100 From: =?iso-8859-1?Q?J=F6rg_R=F6del?= To: Brijesh Singh Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, Thomas Gleixner , Ingo Molnar , Joerg Roedel , Tom Lendacky , "H. Peter Anvin" , Ard Biesheuvel , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Jim Mattson , Andy Lutomirski , Dave Hansen , Sergio Lopez , Peter Gonda , Peter Zijlstra , Srinivas Pandruvada , David Rientjes , Dov Murik , Tobin Feldman-Fitzthum , Borislav Petkov , Michael Roth , Vlastimil Babka , "Kirill A . Shutemov" , Andi Kleen , "Dr . David Alan Gilbert" , tony.luck@intel.com, marcorr@google.com, sathyanarayanan.kuppuswamy@linux.intel.com Subject: Re: [PATCH v7 15/45] x86/compressed: Register GHCB memory when SEV-SNP is active Message-ID: References: <20211110220731.2396491-1-brijesh.singh@amd.com> <20211110220731.2396491-16-brijesh.singh@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20211110220731.2396491-16-brijesh.singh@amd.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 82D291052329 X-Stat-Signature: cz3mxq8x8gjmqo3or6mpx5x3tgrx1d97 Authentication-Results: imf13.hostedemail.com; dkim=none; dmarc=pass (policy=none) header.from=8bytes.org; spf=pass (imf13.hostedemail.com: domain of joro@8bytes.org designates 81.169.241.247 as permitted sender) smtp.mailfrom=joro@8bytes.org X-HE-Tag: 1636985139-46950 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Nov 10, 2021 at 04:07:01PM -0600, Brijesh Singh wrote: > +static void snp_register_ghcb_early(unsigned long paddr) This needs __maybe_unused, otherwise it triggers a warning: arch/x86/kernel/sev-shared.c:78:13: warning: =E2=80=98snp_register_ghcb_e= arly=E2=80=99 defined but not used [-Wunused-function] 78 | static void snp_register_ghcb_early(unsigned long paddr) | ^~~~~~~~~~~~~~~~~~~~~~~