Re: [PATCH 1/8] IB/cxgb4: Fix formatting of physical address
From: Joe Perches
Date: Sun Oct 27 2013 - 18:14:21 EST
On Sun, 2013-10-27 at 22:02 +0000, Ben Hutchings wrote:
> On Sun, 2013-10-27 at 14:58 -0700, Joe Perches wrote:
> > 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.
> Only as long as pci_resource_start() happens to be an lvalue. I'd
> rather not introduce that assumption.
pci_resource_start returns a resource_size_t which is a phys_addr_t.
Changing that from an lvalue would cause a _lot_ of breakage.
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