Re: resource sanity fails on ioremap

[Jarkko Sakkinen <jarkko.sakkinen-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>]

On Wed, Feb 10, 2016 at 02:22:27PM +0200, Jarkko Sakkinen wrote:
> On Fri, Feb 05, 2016 at 11:28:57AM -0800, Jarkko Sakkinen wrote:
> > On Fri, Feb 05, 2016 at 10:42:58AM -0700, Jason Gunthorpe wrote:
> > > On Fri, Feb 05, 2016 at 08:47:04AM -0800, Jarkko Sakkinen wrote:
> > > 
> > > > Right, thanks for the explanation and I'm able to reproduce it on my own
> > > > work laptop now:
> > > > 
> > > > [    0.708272] resource sanity check: requesting [mem
> > > > 0xfed10000-0xfed15fff], which spans more than pnp 00:01 [mem
> > > > 0xfed10000-0xfed13fff]
> > > > [    0.708302]  [<ffffffff8108548a>] ? iomem_map_sanity_check+0xba/0xd0
> > > > 
> > > > Luckily we have this fixed (in two commits) in 4.5.
> > > 
> > > We do? I don't recall seeing a commit that changes the 0x1000
> > 
> > Ignore our fixes do not do anything to this. And it does not even occur
> > my laptop (that was a different case). Should think before pressing.
> > Apologies. I'll push a fix as soon to master.
> [SNIP did not make sense] 

Right, this was confusing because it requests something that is not
multiple of than page size :)

So would the right thing to do change it request size of the control
area structure (in the call site of crb_map_res)?

/Jarkko

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