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From: David Miller <davem@davemloft.net>
To: James.Bottomley@HansenPartnership.com
Cc: tushar.n.dave@oracle.com, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org, thomas.tai@oracle.com,
	sparclinux@vger.kernel.org
Subject: Re: [PATCH] qlogicpti: Fix compiler warnings
Date: Wed, 23 Nov 2016 20:24:01 -0500 (EST)	[thread overview]
Message-ID: <20161123.202401.1859796355662824692.davem@davemloft.net> (raw)
In-Reply-To: <1479941859.2417.28.camel@HansenPartnership.com>

From: James Bottomley <James.Bottomley@HansenPartnership.com>
Date: Wed, 23 Nov 2016 14:57:39 -0800

> What's the guarantee, since the device descriptors only cope with 32
> bits of physical address, that this driver never gets any dma address
> beyond its addressable range?  Is it that the sbus can never be
> attached to this ATU type IOMMU?  If so, saying that in the log would
> be useful.

SBUS hasn't changed for 20 years and is a 32-bit bus.

      parent reply	other threads:[~2016-11-24  1:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-23 21:29 [PATCH] qlogicpti: Fix compiler warnings Tushar Dave
2016-11-23 22:57 ` James Bottomley
2016-11-24  1:08   ` tndave
2016-11-24  1:25     ` David Miller
2016-11-24  1:44       ` tndave
2016-11-24  1:24   ` David Miller [this message]

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