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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h2-20020aa79f42000000b005a8aba4acdfsi19778813pfr.79.2023.02.21.23.41.10; Tue, 21 Feb 2023 23:41:23 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b=E5kGRER7; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230207AbjBVHdU (ORCPT + 99 others); Wed, 22 Feb 2023 02:33:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229687AbjBVHdS (ORCPT ); Wed, 22 Feb 2023 02:33:18 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 820C9189; Tue, 21 Feb 2023 23:33:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=7frTxIZFv6V8GcZJSwPPjJonPyC8OEzNtnJ8xaSDdjY=; b=E5kGRER7UUdajQ4OvY+g7lA3ND 8TnbP4LsKimWd3IMfWKY/sm1xzuswDZQegXTQn0NEy3yyet7AdazYIS3DSlqQZTToOFjxCrNbin6j pRfb1qfpQjZSy+lSE5HI7rqs8apf+nSbtf8SuUIOfdV5Zd/qkhICGt7rTjEDxRwXXPpPfLV/FKzUc 245rSeVmBnyetiNTKtLbq3uhW3nvS4NEPn4H3fRyGHZUxN0JzQCF9haOXTsalgvYhmEu+1VOeCY2y J+QygSSzO0oZNaRNSXgG6cQSaOJEDmbpNOL2rt+susiVLqDzfuO6mz+/3oFk+xHu7+U0nVtp/XKk3 haC1cs1g==; Received: from [2601:1c2:980:9ec0::df2f] (helo=bombadil.infradead.org) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUjcq-00B5lK-Jg; Wed, 22 Feb 2023 07:33:16 +0000 From: Randy Dunlap To: linux-kernel@vger.kernel.org Cc: Randy Dunlap , Vineeth Pillai , Paolo Bonzini , Vitaly Kuznetsov , Sean Christopherson , kvm@vger.kernel.org Subject: [PATCH] KVM: SVM: hyper-v: placate modpost section mismatch error Date: Tue, 21 Feb 2023 23:33:15 -0800 Message-Id: <20230222073315.9081-1-rdunlap@infradead.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758516145904583012?= X-GMAIL-MSGID: =?utf-8?q?1758516145904583012?= modpost reports section mismatch errors/warnings: WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) WARNING: modpost: vmlinux.o: section mismatch in reference: svm_hv_hardware_setup (section: .text) -> (unknown) (section: .init.data) Marking svm_hv_hardware_setup() as __init fixes the warnings. I don't know why this should be needed -- it seems like a compiler problem to me since the calling function is marked as __init. This "(unknown) (section: .init.data)" all refer to svm_x86_ops. Fixes: 1e0c7d40758b ("KVM: SVM: hyper-v: Remote TLB flush for SVM") Signed-off-by: Randy Dunlap Cc: Vineeth Pillai Cc: Paolo Bonzini Cc: Vitaly Kuznetsov Cc: Sean Christopherson Cc: kvm@vger.kernel.org --- arch/x86/kvm/svm/svm_onhyperv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -- a/arch/x86/kvm/svm/svm_onhyperv.h b/arch/x86/kvm/svm/svm_onhyperv.h --- a/arch/x86/kvm/svm/svm_onhyperv.h +++ b/arch/x86/kvm/svm/svm_onhyperv.h @@ -30,7 +30,7 @@ static inline void svm_hv_init_vmcb(stru hve->hv_enlightenments_control.msr_bitmap = 1; } -static inline void svm_hv_hardware_setup(void) +static inline __init void svm_hv_hardware_setup(void) { if (npt_enabled && ms_hyperv.nested_features & HV_X64_NESTED_ENLIGHTENED_TLB) {