From nobody Wed Dec 17 14:22:04 2025 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 0ADCD261571 for ; Wed, 26 Feb 2025 21:37:50 +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=1740605870; cv=none; b=Mhy9u+ow9enAQqQxwFZ7ZoeA4azVpWYYIyge/PcbK1XtbQ9DbfBVZnQKq10D8gG113BMyrB/aJWb2ulSOZJVviwNUNPSH+PB/jOjjn3+x6BzJU0fg3eGYjI+vsUYHaPfPkWQcuKoR0makEVCGNrbfRad/5RNFMHnhyLA4tHwsNY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740605870; c=relaxed/simple; bh=nfF50qU0K8TasWt7EehLA/reFwMuJ1HxCQcE1bCyR+s=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bmZi2xNTIBTuIO8TerG7Ym+9QuhPte4azp5HlMIKq3Mom9D1Ob0qvZiiCLDCcUxJuaMmXrK0+ejyOYwl72rd27fyIp+NRsIewg/NlKPbqLt3GqBdkhu9btlNI4WVz3owS6qqlyzyuKe/e9DLFpt6a3KlpL2bYWFHrPd8p2qhZZ0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=L0e3TEVG; 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="L0e3TEVG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B67E5C4CED6; Wed, 26 Feb 2025 21:37:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740605869; bh=nfF50qU0K8TasWt7EehLA/reFwMuJ1HxCQcE1bCyR+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=L0e3TEVG5g8DCgONdIOzy3GUGIKZhjnDhKkCV1SHe4bfTi0e9+OiWgzG+CSc06XUz rzpRLsq/6RtCPSFfAwmZWMW3LwGnLDwhOkT/qawpxKa4QnI1AoDCN4cqiMUr6l7igM h9426T9qTMdduPpuC5opmCvT5cU4MYj7bsvSfaWj52Xw5cDOsPH9HyEQdTfjUkveXL rYJlKlDoMuIGOhUVtPrHpkF0SU+46RDx9S4sDLaGRtIxnfztIOnTCh2q6/4i/3sHuy 4t5gsL0V2QAwbgj/Z8FWmDd5O6mx9xZYQ7vShV1FDV6jITd7L5/qwlDn+iMnxPk5j2 k2MSQr1W0egCA== From: Arnd Bergmann To: linux-kernel@vger.kernel.org, x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Linus Torvalds , Andy Shevchenko , Matthew Wilcox Subject: [PATCH v3 06/10] x86: drop SWIOTLB for PAE Date: Wed, 26 Feb 2025 22:37:10 +0100 Message-Id: <20250226213714.4040853-7-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250226213714.4040853-1-arnd@kernel.org> References: <20250226213714.4040853-1-arnd@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Arnd Bergmann Since kernels with and without CONFIG_X86_PAE are now limited to the low 4GB of physical address space, there is no need to use swiotlb any more, so stop selecting this. Signed-off-by: Arnd Bergmann --- arch/x86/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d785cb368125..2810482dc183 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1461,7 +1461,6 @@ config X86_PAE bool "PAE (Physical Address Extension) Support" depends on X86_32 && X86_HAVE_PAE select PHYS_ADDR_T_64BIT - select SWIOTLB help PAE is required for NX support, and furthermore enables larger swapspace support for non-overcommit purposes. It --=20 2.39.5