linux-kernel - Re: [PATCH 1/8] IB/cxgb4: Fix formatting of physical address

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Date:	Sun, 27 Oct 2013 14:58:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Steve Wise <swise@...lsio.com>, Roland Dreier <roland@...nel.org>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-rdma@...r.kernel.org
Subject: Re: [PATCH 1/8] IB/cxgb4: Fix formatting of physical address

On Sun, 2013-10-27 at 21:50 +0000, Ben Hutchings wrote:
> Physical addresses may be wider than virtual addresses (e.g. on i386
> with PAE) and must not be formatted with %p.

%pa works.  %pa also prefixes with 0x.

> diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
[]
> @@ -602,10 +602,10 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev)
>  	     rdev->lldi.vr->qp.size,
>  	     rdev->lldi.vr->cq.start,
>  	     rdev->lldi.vr->cq.size);
> -	PDBG("udb len 0x%x udb base %p db_reg %p gts_reg %p qpshift %lu "
> +	PDBG("udb len 0x%x udb base %llx db_reg %p gts_reg %p qpshift %lu "
>  	     "qpmask 0x%x cqshift %lu cqmask 0x%x\n",
>  	     (unsigned)pci_resource_len(rdev->lldi.pdev, 2),
> -	     (void *)(unsigned long)pci_resource_start(rdev->lldi.pdev, 2),
> +	     (u64)pci_resource_start(rdev->lldi.pdev, 2),
>  	     rdev->lldi.db_reg,
>  	     rdev->lldi.gts_reg,
>  	     rdev->qpshift, rdev->qpmask,
> 
> 



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