Re: [patch 0/5] lightweight robust futexes: -V1

[Daniel Jacobowitz]

On Wed, Feb 15, 2006 at 11:14:34PM +0100, Ingo Molnar wrote:
> > Why do we need sys_get_robust_list(other task)?
> 
> just for completeness for debuggers - when i added the TLS syscalls 
> debugging people complained that there was no easy way to query the TLS 
> settings of a thread. I didnt want to add yet another ptrace op - but 
> maybe that's the right solution? ptrace is a bit clumsy for things like 
> this - the task might not be ptrace-able, while querying the list head 
> is such an easy thing.

If it isn't ptraceable, then why should we need to ask the kernel for a
pointer into its memory?  Except maybe for attacking it :-)

-- 
Daniel Jacobowitz
CodeSourcery
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