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 180FC1C69D for ; Mon, 15 Apr 2024 13:38:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713188319; cv=none; b=tUiY7Usw+lgeq/ZLCpMjhpnKmyHIdNSGsD/pj8m7jkWPxvJwHaVQLVqjFOXtad1pYBSs/T3bZs7jOWu8RH/5yEBA2n1pjDS1vR4BO1uOxR29HGjNt6JmHnr4Pki1NnzgbxZvw7dA7w+G8dt3VH3wXgQX0wiiZez4XcI8+Gi2deI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713188319; c=relaxed/simple; bh=GiEjcePh12cU+sOL3/Sz2lJ/zz/7uOW09gBcjy8GUgo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=L0yd1yzx4fjTCb0krojUkqYUYS7vLDwBgrsfY4DGoRGzpyJHaWTT3IKE3EuLAYXiJAS8mxSMN9x4/AiyWQ/JqTzaPzKRIDnxcmglTspeLtew8qt51Vf48yyZjA1UpN1rBRGKY2x/EMn6Th2jGOyxLf0QCMGaHBDbGUVAyvFChs8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sMz9AXXP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="sMz9AXXP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CD73C3277B; Mon, 15 Apr 2024 13:38:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713188318; bh=GiEjcePh12cU+sOL3/Sz2lJ/zz/7uOW09gBcjy8GUgo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sMz9AXXP+TVUd3KPlKzMhNrKU360Gw/8EdpppPlttt2wwLjn11jjiooJUC6m6b7Tm gBd59jUViYnSc9z723XMpNePO/6cxhKMVO3mIXTF5GsQjgBC4O0RAaFJShhA4ee1oa ypzH5ludpaeIyrpSbBLQhM6kxgbeQeP8BmXFe+BQ23v0hVKV9R3IhpBHku6VMotByy i1Qyj4Nz/F3WqZRgolOkdN/Fl3Zl4HMM+jM28flQF3Z1Vk5Z8RYwEOpJiamdnoUyRY RKgp3hMjU3urHVsdW131y5LYHPo1dlotCb/UP7psCP0nJncjrPq1cUJEyRGZlI8FXV 0DqVyf4SYoEBA== From: Sasha Levin To: kernel-lts@openela.org Cc: Huacai Chen , stable@vger.kernel.org, kernel test robot , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Bogendoerfer , Sasha Levin Subject: [PATCH 4.14-openela 021/190] MIPS: KVM: Fix a build warning about variable set but not used Date: Mon, 15 Apr 2024 06:49:11 -0400 Message-ID: <20240415105208.3137874-22-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240415105208.3137874-1-sashal@kernel.org> References: <20240415105208.3137874-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Huacai Chen [ Upstream commit 83767a67e7b6a0291cde5681ec7e3708f3f8f877 ] After commit 411740f5422a ("KVM: MIPS/MMU: Implement KVM_CAP_SYNC_MMU") old_pte is no longer used in kvm_mips_map_page(). So remove it to fix a build warning about variable set but not used: arch/mips/kvm/mmu.c: In function 'kvm_mips_map_page': >> arch/mips/kvm/mmu.c:701:29: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 701 | pte_t *ptep, entry, old_pte; | ^~~~~~~ Cc: stable@vger.kernel.org Fixes: 411740f5422a960 ("KVM: MIPS/MMU: Implement KVM_CAP_SYNC_MMU") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202310070530.aARZCSfh-lkp@intel.com/ Signed-off-by: Huacai Chen Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin --- arch/mips/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c index ee64db0327933..0ed17805dfe4c 100644 --- a/arch/mips/kvm/mmu.c +++ b/arch/mips/kvm/mmu.c @@ -701,7 +701,7 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, gfn_t gfn = gpa >> PAGE_SHIFT; int srcu_idx, err; kvm_pfn_t pfn; - pte_t *ptep, entry, old_pte; + pte_t *ptep, entry; bool writeable; unsigned long prot_bits; unsigned long mmu_seq; @@ -774,7 +774,6 @@ static int kvm_mips_map_page(struct kvm_vcpu *vcpu, unsigned long gpa, entry = pfn_pte(pfn, __pgprot(prot_bits)); /* Write the PTE */ - old_pte = *ptep; set_pte(ptep, entry); err = 0; -- 2.43.0