[PATCH] powerpc64: Select POWER9 machine for the scv instruction

[Florian Weimer]

* Tulio Magno Quites Machado Filho via Libc-alpha:

> Florian Weimer via Libc-alpha <libc-alpha@sourceware.org> writes:
>
>> It is not available with the baseline ISA on powerpc64-linux-gnu.
>> (powerpc64le-linux-gnu enables it unconditionally.)
>>
>> Fixes commit 68ab82f56690ada86ac1e0c46bad06ba189a10ef
>> ("powerpc: Runtime selection between sc and scv for syscalls").
>
> Confirmed this patch does build with Binutils 2.29.
> LGTM.
>
> Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
>
> I'm updating the installation instructions.

Thanks.  I'll drop the refernence to little endian vs big endian because
this looks like something else after all (maybe a downstream patch
causes things to build for us).

Adhemerval, is this okay to push for the release?

Thanks,
Florian
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