Re: [PATCH 1/2] x86: make save_stack_address()!CONFIG_FRAME_POINTER friendly

[Frederic Weisbecker]

On Thu, Jun 03, 2010 at 09:32:39PM +0200, Oleg Nesterov wrote:
> If CONFIG_FRAME_POINTER=n, print_context_stack() shouldn't neglect the
> non-reliable addresses on stack, this is all we have if dump_trace(bp)
> is called with the wrong or zero bp.
> 
> For example, /proc/pid/stack doesn't work if CONFIG_FRAME_POINTER=n.
> 
> This patch obviously has no effect if CONFIG_FRAME_POINTER=y, otherwise
> it reverts 1650743c "x86: don't save unreliable stack trace entries".
> 
> Also, remove the unnecessary type-cast.
> 
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>


Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/