From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8DBC8545D99; Tue, 22 Sep 2026 12:53:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790081582; cv=none; b=J2b5WXRTuFTLaZlxR4tnlo3eDrp/cRJjJkue4Q1QdNBkyong08Dptd6QAM5eMg31rStdSZcMgsDu1cTs6LkHwQozQE+yqM8GT7GmKmZQLfn4Q0ooGDF/lqORLn9l45tbLEd+DS8YbAkIk0h0b0s6Q0cgEPCL3kflbR+A432fFPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790081582; c=relaxed/simple; bh=2mEgvee7JoMc3RTTR7pEYg1kvL/S+eRA/kxAFo1wj0s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FYxc+Wn7wW3CT+gbBVKa9lbL6MCX+bnlkqSKmwFjKurkR/4Ux5Oahtmk2f6eL1uYqeIzVsa/S4yb9VCSEXl2xqle5BGmadZhpJb526YqXmyd0BISuCmJrmWBDaGqiZC8IpZjHbpAM7996rlTcLnVbpnEGhUueoyYEGkHRJ5h8E8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=F3fJDGQz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="F3fJDGQz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 565641F0089A; Tue, 22 Sep 2026 12:52:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790081581; bh=Lok7HdvpHst/GgeNo+XZ6OBJYwvBn1PJr3FfTs75GVg=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=F3fJDGQzc0aBwNS0B2Ni9bd98ABOE9vbolPdAz42hYGjQ1pbzcIs2R5wCVFl+6Cqc wJJwxk3jpKrg8Wlg8NI+Sz7k+fbJ9CDe5rvjhXD9LvVqmMZqm9ztrXuben0BoyKKti yY/fEhSXmNdObOFPPC4BfCypEybTCWEFlNI9MbZfbtjVs05sOKu53tYxOYKyAs6XDP 11dlvAtnjX2u9AdC3ldL4usdGOGcd83Q5rx7pN0lJ+w8BbKIqBhIqeyfL0dZV5bkqQ xozKZrTUYT8g6bZMV2a+vk07fHVHSPrcmsxmNU45YXm8ORjMJO6TUfqG9UFf5p68rk hW1q+q4v/2VLA== Date: Tue, 22 Sep 2026 14:52:55 +0200 From: Niklas Cassel To: Mario Limonciello Cc: Bjorn Helgaas , Damien Le Moal , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H . Peter Anvin" , "open list:PCI SUBSYSTEM" , "open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)" , Arthur Husband Subject: Re: [PATCH v2 2/2] Revert "ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585" Message-ID: References: <20260908190600.226485-1-mario.limonciello@amd.com> <20260908190600.226485-3-mario.limonciello@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260908190600.226485-3-mario.limonciello@amd.com> On Tue, Sep 08, 2026 at 02:06:00PM -0500, Mario Limonciello wrote: > This reverts commit 105c42566a550e2d05fc14f763216a8765ee5d0e. > > The issue is actually a problem with BIOS configuaration of PCIe > root ports, enabling a feature that causes problems with 64-bit > DMA. It is fixed by adjusting the kernel adjusting the > configuration of those root ports. > > Cc: Arthur Husband > Signed-off-by: Mario Limonciello Acked-by: Niklas Cassel