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Re: [PAE support] Types + cosmetic fixes
On Feb 24, 2010, at 4:51 PM, Jean-Yves Migeon wrote:
> On 02/25/10 00:42, Jason Thorpe wrote:
>> On Feb 23, 2010, at 7:57 AM, Jean-Yves Migeon wrote:
>>> Yep, i386-pae. IMHO, modules cannot be "safely" shared between PAE and
>> Why not?
> bus_dma/bus_space(9), like drm(4). Using non-PAE modules that manipulate 32
> bits bus_addr_t with a kernel expecting 64 bits ones (PAE), mixed with some
> DMA in: I would expect nasty, unexpected breakage.
The right solution is to find a unified ABI that works for both PAE and
non-PAE. The i386 port's bus_addr_t should probably just be made 64-bit.
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