[PATCH-for-2.21-and-2.22] s390-64: remove socketcall syscalls

[Mike Frysinger]

On 31 Dec 2015 23:28, Aurelien Jarno wrote:
> I have found some times to investigate. It seems there is no issue, my
> bad. I just discovered that on s390x, syscalls numbers above 256 are
> actually a a call to syscall 0 with the syscall number passed in
> register %r1. My version of strace was not aware of the new syscalls 
> and presented them as syscall setup(). Sorry for the false alert.

is this a bug in strace ?  does it not handle `svc 0` insns correctly ?
if so, we should fix that.  i assumed the kernel would put the correct
NR into the r1 register regardless of how the syscall was invoked, but
maybe i'm being naive.
-mike
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