Re: [linux-keystone] [PATCH v2] drivers: cma: fix addressing on PAEmachines

[Santosh Shilimkar]

On Tuesday 04 December 2012 06:37 PM, Michal Nazarewicz wrote:
> > On Monday 03 December 2012 09:16 PM, Vitaly Andrianov wrote:
> > > This patch fixes a couple of bugs that otherwise impair CMA functionality on
> > > PAE machines:
> > >
> > >     - alignment must be a 64-bit type when running on systems with 64-bit
> > >       physical addresses.  If this is not the case, the limit calculation thunks
> > >       allocations down to an address range < 4G.
> > >
> > >     - The allocated range check is removed. On 32bit ARM kernel with LPAE
> > >       enabled the base may be allocated outside the fist 4GB of physical
> > >       memory (keystone SoC for example).
>
> On Tue, Dec 04 2012, Santosh Shilimkar wrote:
> > Any reason you have clubbed two fixes in one patch. Its better to keep
> > the two fixes separate patches.
>
> They are all related to the very same issue, and what the whole patch
> does is change the type used to store physical addresses from unsigned
> long to phys_addr_t.  This is really a single change.
Thanks for clarification. 64 bit alignment fix and the allocation range 
checks
can be two separate fixes and that is exactly what change log describes.
You have a last say though :-) No problem if you want to commit the
patch as is.

Regards
Santosh
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