linux-kernel - Re: [PATCH] iommu/arm-smmu-v3: Restore prints in arm_smmu_attach

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Date:   Wed, 9 Nov 2022 09:11:53 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Nicolin Chen <nicolinc@...dia.com>
Cc:     will@...nel.org, joro@...tes.org, linux-kernel@...r.kernel.org,
        iommu@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
        robin.murphy@....com
Subject: Re: [PATCH] iommu/arm-smmu-v3: Restore prints in
 arm_smmu_attach_dev()

On Tue, Nov 08, 2022 at 11:07:13PM -0800, Nicolin Chen wrote:
> The prints for incompatible failures in arm_smmu_attach_dev() might be
> still useful for error diagnosis. As VFIO and IOMMUFD would do testing
> attach() call, having previous dev_err() isn't ideal either.
> 
> Add the prints back using dev_dbg().
> 
> Suggested-by: Will Deacon <will@...nel.org>
> Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 +++++++
>  1 file changed, 7 insertions(+)

You should probably include a fixes line

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason