[PATCH v15 6/8] nptl: Move the rseq area to the 'extra TLS' block

[Florian Weimer]

* Michael Jeanson:

> +#if TLS_TCB_AT_TP
> +  /* The rseq area block should come before the thread pointer and be at least
> +     32 bytes. */
> +  TEST_VERIFY (__rseq_offset <= -RSEQ_AREA_SIZE_INITIAL);
> +#elif TLS_DTV_AT_TP
> +  /* The rseq area block should come after the thread pointer. */
> +  TEST_VERIFY (__rseq_offset + TLS_TP_OFFSET >= 0);

I think the TLS_TP_OFFSET is redudant here.  It's supposed have already
been folded into __rseq_offset.  It certainly was before because a
pointer difference was used to compute it.

Thanks,
Florian