Re: [PATCH] Set bounds on what /proc/self/make-it-fail accepts.

From: David Rientjes
Date: Wed Feb 19 2014 - 17:08:02 EST


On Wed, 19 Feb 2014, Andrew Morton wrote:

> If we're touching the task_struct we could make it a bool.
>
> Or just a single bit(field). task_struct already has a bunch of
> bitfields in it (strangely, they aren't contiguous). But some locking
> would be needed if tasks-other-than-current can modify the bit.
>

Or store to any adjacent bit in the word. I think the simplest solution
is to use kstrtoint() and test for val == !!val since, as we all know,
{simple,strict}_strto* is deprecated per checkpatch :)
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