Re: [libunwind] backtrace on EM64T

[Arun Sharma (अरुण)]

David Mosberger-Tang wrote:
> > Do you see this issue in libunwind as well? If yes, could you be more
> > specific? Thanks.
>
>
> My libunwind kernel patches have a variable unwi_page_alloc_usable
> which controls whether or not the page allocator is used by libunwind.
>  The intention is for debuggers such as kdb to clear this flag while
> they're running and restore it afterwards.

I'm more interested in the user space libunwind.

Through a quick grep of the sources, I can't locate anything 
problematic. mempool.h suggests that this is a design guarantee.

So I'm assuming that this is a non-problem for the userspace libunwind. 
Please let me know if you think otherwise.

        -Arun