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Re: [Xen-devel] [PATCH] passthrough/amd: Drop "IOMMU not found" message
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Tue, 6 Aug 2019 08:00:30 +0000
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- Cc: Wei Liu <wl@xxxxxxx>, Suravee Suthikulpanit <suravee.suthikulpanit@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, Brian Woods <brian.woods@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Tue, 06 Aug 2019 08:09:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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- Thread-topic: [Xen-devel] [PATCH] passthrough/amd: Drop "IOMMU not found" message
On 05.08.2019 18:44, Andrew Cooper wrote:
> Since c/s 9fa94e10585 "x86/ACPI: also parse AMD IOMMU tables early", this
> function is unconditionally called in all cases where a DMAR ACPI table
> doesn't exist.
>
> As a consequnce, "AMD-Vi: IOMMU not found!" is printed in all cases where an
> IOMMU isn't present, even on non-AMD systems.
Oh, I didn't even notice this yet.
> Drop the message - it isn't
> terribly interesting anyway, and is now misleading is a number of common
> cases.
Plus there's no VT-d side equivalent message.
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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