linux-kernel - Re: [PATCH] iommu/amd - Use dev_err to send events to the system log

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Date:   Tue, 13 Feb 2018 14:22:16 +0100
From:   Joerg Roedel <joro@...tes.org>
To:     Gary R Hook <gary.hook@....com>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] iommu/amd - Use dev_err to send events to the system log

On Tue, Jan 30, 2018 at 07:04:27PM -0600, Gary R Hook wrote:
> +		dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x "
> +			"address=0x%016llx flags=0x%04x]\n",
> +			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
> +			address, flags);

That prints the PCI device-name of the IOMMU in front of the message. Is
that actually helpful?

If at all, we should print the name of the iommu-device in front of the
message, not the PCI device that hosts the IOMMU.


Thanks,

	Joerg