Re: [PATCH] Use __kernel_long_t in struct mq_attr

From: H. Peter Anvin
Date: Thu Dec 26 2013 - 13:03:49 EST

On 12/26/2013 09:59 AM, H.J. Lu wrote:
>> but it would seem to give the wrong types when __BITS_PER_LONG in
>> userspace is 32.
> For x32, __BITS_PER_LONG is 64, not 32. If __BITS_PER_LONG
> is 32, my patch doesn't change anything. If it works before,
> it still works. If it is broken before, it remains broken.
> I prefer my first patch, which is less clutter. But I can't guarantee
> it is correct for all x3-like ABIs. My second patch has more
> clutter, but it has no impact on other ABIs.

It's rather simple to prove, which is to consider the generic definition
of __kernel_[u]long_t.


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