Re: [RFC PATCH] LKMM: Add ctrl_dep() macro for control dependency
flat view
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: 2021-10-01 16:36:14
Also in:
linux-arch, lkml
On Fri, Oct 1, 2021 at 9:26 AM Florian Weimer [off-list ref] wrote:
Will any conditional branch do, or is it necessary that it depends in some way on the data read?
The condition needs to be dependent on the read.
(Easy way to see it: if the read isn't related to the conditional or
write data/address, the read could just be delayed to after the
condition and the store had been done).
Linus