Messages in this thread | | | Date | Sun, 26 Jan 2014 14:39:38 +0100 | Subject | Re: [PATCH] for_each macros correctness | From | Fubo Chen <> |
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On Sun, Jan 26, 2014 at 11:54 AM, Jose Alonso <joalonsof@gmail.com> 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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