Re: [PATCH] for_each macros correctness

[Fubo Chen]

On Sun, Jan 26, 2014 at 11:54 AM, Jose Alonso <joalonsof@xxxxxxxxx> wrote:
> I observed that there are for_each macros that do an extra memory access
> beyond the defined area.
> Normally this does not cause problems.
> But, this can cause exceptions. For example: if the area is allocated at
> the end of a page and the next page is not accessible.
>
> For correctness, I suggest changing the arguments of the 'for loop' like
> others 'for_each' do in the kernel.

Does this patch fix a kernel crash when using gcc 4.8 like the patch
in http://lkml.org/lkml/2014/1/21/146 ?

Thanks,

Fubo.
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