[PATCH] powerpc64: Workaround sigtramp vdso return call

[Tulio Magno Quites Machado Filho]

Raoni Fassina Firmino via Libc-stable <libc-stable@sourceware.org> writes:

> Hi, this is a backport from the commit already on 2.33, I would like
> to backport it to 2.31 and 2.32. The reason is the same as the
> original patch, there is already released kernels with the regression,
> for example, Debian 10 ppc64 has glibc 2.31 and kernel 5.10.

LGTM.  I plan to merge it later this week if no one objects.

Thanks!

-- 
Tulio Magno