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From: Suravee Suthikulanit <suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	jay.cornwall-5C7GfCeVMHo@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	kim.naru-5C7GfCeVMHo@public.gmane.org
Subject: Re: [PATCH] iommu/amd: Fix logics to determine and checking max PASID
Date: Wed, 5 Mar 2014 17:08:41 -0600	[thread overview]
Message-ID: <5317AE79.6090606@amd.com> (raw)
In-Reply-To: <20140305223544.GA2813-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>

On 3/5/2014 4:35 PM, Joerg Roedel wrote:
>> -		cmd->data[1]  = pasid & PASID_MASK;
>> >+		cmd->data[1]  = pasid & amd_iommu_max_pasid;
> ... masking out the other bits is redundant.
>
>
> 	Joerg

Agree.  I can take out the masking stuff here, but I think we should be 
using the amd_iommu_max_pasid instead of hard coded PASID_MASK for the rest.

Suravee

WARNING: multiple messages have this Message-ID (diff)
From: Suravee Suthikulanit <suravee.suthikulpanit@amd.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: <iommu@lists.linux-foundation.org>,
	<linux-kernel@vger.kernel.org>, <kim.naru@amd.com>,
	<jay.cornwall@amd.com>
Subject: Re: [PATCH] iommu/amd: Fix logics to determine and checking max PASID
Date: Wed, 5 Mar 2014 17:08:41 -0600	[thread overview]
Message-ID: <5317AE79.6090606@amd.com> (raw)
In-Reply-To: <20140305223544.GA2813@8bytes.org>

On 3/5/2014 4:35 PM, Joerg Roedel wrote:
>> -		cmd->data[1]  = pasid & PASID_MASK;
>> >+		cmd->data[1]  = pasid & amd_iommu_max_pasid;
> ... masking out the other bits is redundant.
>
>
> 	Joerg

Agree.  I can take out the masking stuff here, but I think we should be 
using the amd_iommu_max_pasid instead of hard coded PASID_MASK for the rest.

Suravee



  parent reply	other threads:[~2014-03-05 23:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-05 19:01 [PATCH] iommu/amd: Fix logics to determine and checking max PASID suravee.suthikulpanit-5C7GfCeVMHo
2014-03-05 19:01 ` suravee.suthikulpanit
     [not found] ` <1394046068-3858-1-git-send-email-suravee.suthikulpanit-5C7GfCeVMHo@public.gmane.org>
2014-03-05 22:35   ` Joerg Roedel
2014-03-05 22:35     ` Joerg Roedel
     [not found]     ` <20140305223544.GA2813-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-03-05 22:46       ` Suravee Suthikulanit
2014-03-05 22:46         ` Suravee Suthikulanit
2014-03-05 23:08       ` Suravee Suthikulanit [this message]
2014-03-05 23:08         ` Suravee Suthikulanit

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