Arnd Bergmann <[email protected]> writes:

> I think either way is fine for the two examples. I think it's clear
> that we want __NR_llseek as 62 and __NR_mmap2 as 222. Whether those
> use the compat_sys_llseek/compat_sys_mmap2_wrapper or
> sys_lseek/sys_mmap entry points is not overly important, we can use
> whatever is more convenient to glibc: if we can kill off an
> architecture specific wrapper function in glibc by adding one line
> to the kernel, that seems worthwhile.

Currently most off_t-like syscalls need a new glibc wrapper since the
existing ones are either for 32bit off_t+off64_t (with split off64_t
syscall arguments) or pure 64bit off_t architectures.  Since ilp32 now
(mostly) has 32bit off_t, but 64bit off_t-like syscalls neither of them
fit.

Andreas.

-- 
Andreas Schwab, SUSE Labs, [email protected]
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"And now for something completely different."
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