Messages in this thread |  | | Date | Sat, 22 Oct 2016 20:51:08 -0500 | From | Reza Arbab <> | Subject | Re: [PATCH v4 2/5] drivers/of: do not add memory for unavailable nodes |
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Hi Alistair,
On Fri, Oct 21, 2016 at 05:22:54PM +1100, Alistair Popple wrote: >From what I can tell it seems that kernels without this patch will try >and use this memory even if it is marked in the device-tree as >status="disabled" which could lead to problems for older kernels when >we start exporting this property from firmware. > >Arguably this might not be such a problem in practice as we probably >don't have many (if any) existing kernels that will boot on hardware >exporting these properties.
Yes, I think you've got it right.
>However given this patch seems fairly independent perhaps it is worth >sending as a separate fix if it is not going to make it into this >release?
Michael,
If this set as a whole is going to miss the release, would it be helpful for me to resend 1/5 and 2/5 as a separate set? They are the minimum needed to prevent the possible forward compatibility issue Alistair describes.
-- Reza Arbab
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