Re: New objtool warning..

[Josh Poimboeuf]

On Thu, Dec 17, 2020 at 11:45:56AM +0100, Peter Zijlstra wrote:
> On Wed, Dec 16, 2020 at 02:01:58PM -0600, Josh Poimboeuf wrote:
> > So this is kind of tricky, because the unreachable() annotation usually
> > means "the previous instruction is a dead end".  Most of the time, the
> > next instruction -- the one actually pointed to by the annotation -- is
> > actually reachable from another path.
> 
> *groan*, this is why I ended up sticking a nop in
> instrumentation_begin()/_end().

Oh yeah, I forgot about that.  That would be another option if my patch
doesn't work out.

/me grumbles something about integrating objtool with compiler plugins
someday...

-- 
Josh