From: Niklas Cassel <cassel@kernel.org>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Damien Le Moal <dlemoal@kernel.org>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<x86@kernel.org>, "H . Peter Anvin" <hpa@zytor.com>,
"open list:PCI SUBSYSTEM" <linux-pci@vger.kernel.org>,
"open list:X86 ARCHITECTURE (32-BIT AND 64-BIT)"
<linux-kernel@vger.kernel.org>,
"open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)"
<linux-ide@vger.kernel.org>, Arthur Husband <artmoty@gmail.com>
Subject: Re: [PATCH v2 2/2] Revert "ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585"
Date: Tue, 22 Sep 2026 14:52:55 +0200 [thread overview]
Message-ID: <arJ6J5e8l94ia-9a@ryzen> (raw)
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 <artmoty@gmail.com>
> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Niklas Cassel <cassel@kernel.org>
next prev parent reply other threads:[~2026-09-22 12:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-08 19:05 [PATCH v2 0/2] Fix for storage corruption w/ AMD IOMMU on 64-bit addressing Mario Limonciello
2026-09-08 19:05 ` [PATCH v2 1/2] x86/PCI: Disable enhanced atomics on some AMD PCIe ports Mario Limonciello
2026-09-14 16:57 ` Mario Limonciello
2026-09-08 19:06 ` [PATCH v2 2/2] Revert "ata: ahci: force 32-bit DMA for JMicron JMB582/JMB585" Mario Limonciello
2026-09-22 12:52 ` Niklas Cassel [this message]
2026-09-21 4:52 ` [PATCH v2 0/2] Fix for storage corruption w/ AMD IOMMU on 64-bit addressing Mario Limonciello
2026-09-22 9:49 ` Niklas Cassel
2026-09-22 10:44 ` Mario Limonciello
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