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Date: Fri, 25 Sep 2026 09:30:17 +0200
From: Joerg Roedel <joro@8bytes.org>
To: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>, amd-gfx@lists.freedesktop.org,
 Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>, 
 Vasant Hegde <vasant.hegde@amd.com>, Will Deacon <will@kernel.org>, 
 Robin Murphy <robin.murphy@arm.com>,
 "open list:AMD IOMMU (AMD-VI)" <iommu@lists.linux.dev>, 
 Jatin Kataria <jkataria@netflix.com>, Boqun Feng <boqunf@netflix.com>, 
 "Derek J . Clark" <derekjohn.clark@gmail.com>
Subject: Re: [PATCH v2 1/2] iommu/amd: Add PerfOpt IOMMU performance
 optimization support
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References: <20260908041207.38113-1-mario.limonciello@amd.com>
 <20260908041207.38113-2-mario.limonciello@amd.com>
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On Mon, Sep 07, 2026 at 11:12:06PM -0500, Mario Limonciello wrote:
> +#ifdef CONFIG_AMD_IOMMU
> +int amd_iommu_enable_perfopt(struct pci_dev *pdev);
> +void amd_iommu_disable_perfopt(struct pci_dev *pdev);
> +#else
> +static inline int amd_iommu_enable_perfopt(struct pci_dev *pdev)
> +{
> +	return 0;
> +}
> +static inline void amd_iommu_disable_perfopt(struct pci_dev *pdev) { }
> +#endif

This commit broke build on i386, I fixed it up but please compile test on
32-bit next time.

-Joerg