sign extension for 32bit syscalls on ppc64

[Andreas Schwab]

Stephen Rothwell <sfr at canb.auug.org.au> writes:

> Has any testing been done on these interfaces that involves 32 bit
> processes passing AT_FDCWD on 64 bit kernels (I realise that it will work
> for some architectures but I suspect not ppc64).

Appears to work fine for me (tested with openat).

Andreas.

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Andreas Schwab, SuSE Labs, schwab at suse.de
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