[PATCH 20/25] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Yury Norov
2016-05-11T08:04:38Z

On Wed, May 11, 2016 at 10:04:16AM +0800, Zhangjian (Bamvor) wrote:
[...]

> >>Ok, I will test the ltp syscall test.
> >>With this changes, the issue I mentioned should be fixed. But we still
> >>use mmap2 syscall for ILP32 application when we pass the offset instead
> >>of page offset. Is it correct?
> >
> >I don't remember. It's probably not important whether we have the shift
> >in there, as long as it's independent of the actual kernel page size and
> >user space and kernel agree on the calling conventions.
> Well. I am ok with where to shift the pages size because we get the same
> result. I was just thinking if we should get rid of the name of mmap2 in our
> ILP32 porting. Actually, it is mmap but we name it as mmap2. User may confused
> if they do not know the implementations.
>

This is what generic unistd.h does. If you want to change it, you'd
change each arch that uses generic unistd.h.

> Regards
>
> Bamvor
>
> >
> > Arnd
> >
>
>
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