On Tue, May 31, 2016 at 11:05:00AM -0700, Bart Van Assche wrote:
> Let me rephrase my question. Before and after this patch
> IB_DEVICE_SG_GAPS_REG is defined as 1ULL << 32, so how can this patch make a
> difference?
Excellent question.
I thought the issue was this:
IB_DEVICE_ON_DEMAND_PAGING = (1 << 31),
Because (1<<31) is also technically undefined if 1 is signed, which,
IIRC, is a compiler choice.. But you are right, all the other ones
look OK.
Mellanox, so what does this *actually* do??
> And if the issue is that some compilers choose a 32-bit integer for
> ib_device_cap_flags and others a 64-bit integer, shouldn't
That isn't allowed by the standard. The compiler cannot truncate enum
values.
Jason
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