RE: [PATCH] for_each macros correctness

[Dorau, Lukasz]

On Sunday, January 26, 2014 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.
> 
> files involved:
>    drivers/s390/cio/qdio.h
>    drivers/scsi/isci/host.h

Hi Jose,

The macro in "drivers/scsi/isci/host.h" has already been corrected:
http://marc.info/?l=linux-kernel&m=139030404415970&w=2
So you can remove the part regarding "drivers/scsi/isci/host.h" from your patch.

Lukasz

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