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Date: Tue, 16 Apr 2019 10:33:32 +0200
From: Vlastimil Babka <>
To: Andrew Morton <>,
 Alexander Potapenko <>
Subject: Re: [PATCH] mm: security: introduce CONFIG_INIT_HEAP_ALL

On 4/16/19 4:02 AM, Andrew Morton wrote:
> Requiring a kernel rebuild is rather user-hostile.  A boot option
> (early_param()) would be much more useful and I expect that the loss in
> coverage would be small and acceptable?  Could possibly use the
> static_branch infrastructure.

Agreed. There could be a config option to make it default on if no param
given. Then a config option to (not) compile this in at all would be
probably superfluous, although small systems/architectures without
effective static keys might care.

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