From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8CF879443 for ; Sun, 13 Aug 2023 21:22:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1120DC433C8; Sun, 13 Aug 2023 21:22:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691961736; bh=AGw/SEDWIhvfMJPjeytt6f0a0NFrH9JJMPk9dLBMomc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iUk6NRZ6iKe51y4caP5ozLDNE2sw6GNky4Jj2FH5cyCYe1MHjxb0fIXBIdE3Yvbry 6c0Qy/LWHHwWeH99ArVOwVDrfX5v3lx8xfDN9UEYXBsjo2LEurx0r4ThbchH2+hnBS Yk3wNhiUdVLE/A3/3pOsELC+3lx2H0Q9dGf5D94U= 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 4.19 14/33] x86: Move gds_ucode_mitigated() declaration to header Date: Sun, 13 Aug 2023 23:19:08 +0200 Message-ID: <20230813211704.433857898@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230813211703.915807095@linuxfoundation.org> References: <20230813211703.915807095@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ -1001,4 +1001,6 @@ enum taa_mitigations { TAA_MITIGATION_TSX_DISABLED, }; +extern bool gds_ucode_mitigated(void); + #endif /* _ASM_X86_PROCESSOR_H */ --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -217,8 +217,6 @@ struct kvm_stats_debugfs_item debugfs_en u64 __read_mostly host_xcr0; -extern bool gds_ucode_mitigated(void); - static int emulator_fix_hypercall(struct x86_emulate_ctxt *ctxt); static inline void kvm_async_pf_hash_reset(struct kvm_vcpu *vcpu)