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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 330CAC001B0 for ; Sun, 13 Aug 2023 21:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231742AbjHMV1N (ORCPT ); Sun, 13 Aug 2023 17:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231749AbjHMV1M (ORCPT ); Sun, 13 Aug 2023 17:27:12 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5A5610DB for ; Sun, 13 Aug 2023 14:27:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5512B629D9 for ; Sun, 13 Aug 2023 21:27:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 641C6C433C8; Sun, 13 Aug 2023 21:27:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691962033; bh=nqPUL6m5ULwB064jN2y/wLpjYMq050OLDkD1gZPlBjg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B1w+YtXo2jk9rminHj7TviG0Ks7ECkb/6pWf453RvY+0I4y3nqqYqWv85CYvfoq0q Tr1fztW+G+oNG8nROxH8W2bQ8UnZ02dpxkCaivtHZP4rMn4LyOINqO79s3RMEop5i0 D2i/HbQ4fXRlogOIGa9tTihAmeV2DlB/YFtFz5Pw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Arnd Bergmann , Dave Hansen , Daniel Sneddon , stable@kernel.org Subject: [PATCH 6.4 087/206] x86: Move gds_ucode_mitigated() declaration to header Date: Sun, 13 Aug 2023 23:17:37 +0200 Message-ID: <20230813211727.568871123@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230813211724.969019629@linuxfoundation.org> References: <20230813211724.969019629@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Arnd Bergmann commit eb3515dc99c7c85f4170b50838136b2a193f8012 upstream. The declaration got placed in the .c file of the caller, but that causes a warning for the definition: arch/x86/kernel/cpu/bugs.c:682:6: error: no previous prototype for 'gds_ucode_mitigated' [-Werror=missing-prototypes] Move it to a header where both sides can observe it instead. Fixes: 81ac7e5d74174 ("KVM: Add GDS_NO support to KVM") Signed-off-by: Arnd Bergmann Signed-off-by: Dave Hansen Tested-by: Daniel Sneddon Cc: stable@kernel.org Link: https://lore.kernel.org/all/20230809130530.1913368-2-arnd%40kernel.org Signed-off-by: Greg Kroah-Hartman --- arch/x86/include/asm/processor.h | 2 ++ arch/x86/kvm/x86.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -732,4 +732,6 @@ bool arch_is_platform_page(u64 paddr); #define arch_is_platform_page arch_is_platform_page #endif +extern bool gds_ucode_mitigated(void); + #endif /* _ASM_X86_PROCESSOR_H */ --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -314,8 +314,6 @@ u64 __read_mostly host_xcr0; static struct kmem_cache *x86_emulator_cache; -extern bool gds_ucode_mitigated(void); - /* * When called, it means the previous get/set msr reached an invalid msr. * Return true if we want to ignore/silent this failed msr access.