Re: [PATCH v3 2/2] livepatch: add atomic replace

From: Jiri Kosina
Date: Wed Oct 18 2017 - 09:36:51 EST


On Wed, 18 Oct 2017, Miroslav Benes wrote:

> 3. Drop immediate. It causes problems only and its advantages on x86_64
> are theoretical. You would still need to solve the interaction with atomic
> replace on other architecture with immediate preserved, but that may be
> easier. Or we can be aggressive and drop immediate completely. The force
> transition I proposed earlier could achieve the same.

After brief off-thread discussion, I've been thinking about this a bit
more and I also think that we should claim immediate "an experiment that
failed", especially as the force functionality (which provides equal
functionality from the userspace POV) will likely be there sonnish.

Thanks,

--
Jiri Kosina
SUSE Labs