# Re: \[PATCH 18/18\] arm64: lto: Strengthen READ\_ONCE() to acquire when CLANG\_LTO=y

- From: Paul E. McKenney \<paulmck@kernel.org\>
- Date: 2020-07-08 18:20:38 
- List: virtualization
- Page: https://ratatoskr.run/virtualization/2020/07/6029773
- Thread: https://ratatoskr.run/linux-arm-kernel/2020/06/6020640/t.md

```text
On Wed, Jul 08, 2020 at 11:16:20AM +0200, Peter Zijlstra wrote:
> On Tue, Jul 07, 2020 at 04:01:28PM -0700, Nick Desaulniers wrote:
> > I'm trying to put together a Micro Conference for Linux Plumbers
> > conference focused on "make LLVM slightly less shitty."  Do you all
> > plan on attending the conference? Would it be worthwhile to hold a
> > session focused on discussing this (LTO and memory models) be
> > worthwhile?
> 
> I'd love to have a session about compilers and memory ordering with both
> GCC and CLANG in attendance.
> 
> We need a solution for dependent-loads and control-dependencies for both
> toolchains.

What Peter said!  ;-)

							Thanx, Paul
```