On Thu, Feb 08, 2018 at 02:02:32PM +0100, Peter Zijlstra wrote:
>
> Linus reported that GCC-7.3 generated a switch-table construct that
> confused objtool. It turns out that, in particular due to KASAN, it is
> possible to have unrelated .rodata usage in between the .rodata setup
> for the switch-
On Thu, Feb 8, 2018 at 5:02 AM, Peter Zijlstra wrote:
>
> Fix this by creating a 'jump-stack' which we can 'unwind' during
> reversal, thereby skipping over much of the in-between code.
I'm assuming this will come through the normal tip trees, since that's
where objtool stuff generally comes from
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