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From: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
To: Robert Richter <rrichter-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH] iommu: Print a message with the default domain type created
Date: Wed, 26 Apr 2017 17:50:44 +0200	[thread overview]
Message-ID: <20170426155044.GA1332@8bytes.org> (raw)
In-Reply-To: <20170426143813.21225-1-rrichter-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>

Hi Robert,

On Wed, Apr 26, 2017 at 04:38:13PM +0200, Robert Richter wrote:
> -	pr_info("Adding device %s to group %d\n", dev_name(dev), group->id);
> +	pr_info("Adding device %s to group %d, default domain type %d\n",
> +		dev_name(dev), group->id,
> +		group->default_domain ? group->default_domain->type : -1);

Printing just a number is not very user-friendly. We have only two
default domain-types right now, so it is sufficient to just print
additional information if a device is identity-mapped. Something like

	"Adding device %s to group %d - using identity mapping"


Regards,

	Joerg

WARNING: multiple messages have this Message-ID (diff)
From: joro@8bytes.org (Joerg Roedel)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] iommu: Print a message with the default domain type created
Date: Wed, 26 Apr 2017 17:50:44 +0200	[thread overview]
Message-ID: <20170426155044.GA1332@8bytes.org> (raw)
In-Reply-To: <20170426143813.21225-1-rrichter@cavium.com>

Hi Robert,

On Wed, Apr 26, 2017 at 04:38:13PM +0200, Robert Richter wrote:
> -	pr_info("Adding device %s to group %d\n", dev_name(dev), group->id);
> +	pr_info("Adding device %s to group %d, default domain type %d\n",
> +		dev_name(dev), group->id,
> +		group->default_domain ? group->default_domain->type : -1);

Printing just a number is not very user-friendly. We have only two
default domain-types right now, so it is sufficient to just print
additional information if a device is identity-mapped. Something like

	"Adding device %s to group %d - using identity mapping"


Regards,

	Joerg

WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Robert Richter <rrichter@cavium.com>
Cc: Will Deacon <will.deacon@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu: Print a message with the default domain type created
Date: Wed, 26 Apr 2017 17:50:44 +0200	[thread overview]
Message-ID: <20170426155044.GA1332@8bytes.org> (raw)
In-Reply-To: <20170426143813.21225-1-rrichter@cavium.com>

Hi Robert,

On Wed, Apr 26, 2017 at 04:38:13PM +0200, Robert Richter wrote:
> -	pr_info("Adding device %s to group %d\n", dev_name(dev), group->id);
> +	pr_info("Adding device %s to group %d, default domain type %d\n",
> +		dev_name(dev), group->id,
> +		group->default_domain ? group->default_domain->type : -1);

Printing just a number is not very user-friendly. We have only two
default domain-types right now, so it is sufficient to just print
additional information if a device is identity-mapped. Something like

	"Adding device %s to group %d - using identity mapping"


Regards,

	Joerg

  parent reply	other threads:[~2017-04-26 15:50 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-26 14:38 [PATCH] iommu: Print a message with the default domain type created Robert Richter
2017-04-26 14:38 ` Robert Richter
2017-04-26 14:38 ` Robert Richter
     [not found] ` <20170426143813.21225-1-rrichter-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>
2017-04-26 15:50   ` Joerg Roedel [this message]
2017-04-26 15:50     ` Joerg Roedel
2017-04-26 15:50     ` Joerg Roedel

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