Re: [RFC PATCH 00/21] x86: Proposed fixes for stackvalidate warnings

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On Fri, Jul 17, 2015 at 9:47 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> These patches fix many of the warnings reported by stackvalidate.
> They're based on top of the "Compile-time stack validation" v7 patch set
> [1].
>
> They've been compile-tested and boot tested in a VM, but I haven't
> attempted any meaningful testing for most of them.  This should give an
> idea of what kinds of changes I think are needed.
>
> [1] https://lkml.kernel.org/r/cover.1436893563.git.jpoimboe@xxxxxxxxxx
>

Nothing here looks all that bad, but I think the extra frame pointers
staring us in the face (as opposed to the ones that gcc adds
transparently) might serve as added incentive to suck it up and get
CFI unwinding working.

--Andy
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