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Message-ID: <d2b6693aefe6d2cad03432366c48e05cb5c8d3a3.camel@suse.de>
Subject: Re: [PATCH v4 0/7] arm64: Default to 32-bit wide ZONE_DMA
From:   Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To:     Jeremy Linton <jeremy.linton@arm.com>, robh+dt@kernel.org,
        catalin.marinas@arm.com, hch@lst.de, ardb@kernel.org,
        linux-kernel@vger.kernel.org
Cc:     robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
        linux-rpi-kernel@lists.infradead.org,
        iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
        will@kernel.org, lorenzo.pieralisi@arm.com, guohanjun@huawei.com,
        linux-acpi@vger.kernel.org, linux-mm@kvack.org,
        linux-riscv@lists.infradead.org
Date:   Tue, 27 Oct 2020 12:50:53 +0100
In-Reply-To: <9bccc5ef-9457-044b-7193-d002a395e461@arm.com>
References: <20201021123437.21538-1-nsaenzjulienne@suse.de>
         <9bccc5ef-9457-044b-7193-d002a395e461@arm.com>
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On Fri, 2020-10-23 at 14:05 -0500, Jeremy Linton wrote:
> Hi,
>=20
> On 10/21/20 7:34 AM, Nicolas Saenz Julienne wrote:
> > Using two distinct DMA zones turned out to be problematic. Here's an
> > attempt go back to a saner default.
> >=20
> > I tested this on both a RPi4 and QEMU.
>=20
> I've tested this in ACPI mode on the rpi4 (4+8G with/without the 3G=20
> limiter) as well, with Ard's IORT patch. Nothing seems to have regressed.
>=20
> Thanks,
>=20
> Tested-by: Jeremy Linton <jeremy.linton@arm.com>

Thanks!


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