Re: [PATCH 5/6] objtool: Add UACCESS validation

From: Josh Poimboeuf
Date: Mon Feb 25 2019 - 12:39:08 EST


On Mon, Feb 25, 2019 at 06:15:31PM +0100, Peter Zijlstra wrote:
> Also, I think at the time we didn't use it because backporting efforts.

This part may have been my fault. I spread a vicious rumor (based on
reading docs instead of code) that old versions of GCC don't support
'%='. But it's actually been around since GCC 2.8.

--
Josh