Re: [GIT PULL lkmm] LKMM commits for v5.15

From: Ingo Molnar
Date: Wed Aug 18 2021 - 02:41:47 EST



* Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:

> Hello, Ingo!
>
> This pull request contains changes for the Linux-kernel memory model
> (LKMM). These changes focus on documentation, providing additional
> examples and use cases. These have been posted to LKML:
>
> https://lore.kernel.org/lkml/20210721211003.869892-1-paulmck@xxxxxxxxxx/
> https://lore.kernel.org/lkml/20210721211003.869892-2-paulmck@xxxxxxxxxx/
> https://lore.kernel.org/lkml/20210721211003.869892-3-paulmck@xxxxxxxxxx/
> https://lore.kernel.org/lkml/20210721211003.869892-4-paulmck@xxxxxxxxxx/
>
> They have been exposed to -next and the kernel test robot, not that these
> services do all that much for documentation changes.
>
> The following changes since commit 2734d6c1b1a089fb593ef6a23d4b70903526fe0c:
>
> Linux 5.14-rc2 (2021-07-18 14:13:49 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git lkmm
>
> for you to fetch changes up to 87859a8e3f083bd57b34e6a962544d775a76b15f:
>
> tools/memory-model: Document data_race(READ_ONCE()) (2021-07-27 11:48:55 -0700)
>
> ----------------------------------------------------------------
> Manfred Spraul (1):
> tools/memory-model: Heuristics using data_race() must handle all values
>
> Paul E. McKenney (3):
> tools/memory-model: Make read_foo_diagnostic() more clearly diagnostic
> tools/memory-model: Add example for heuristic lockless reads
> tools/memory-model: Document data_race(READ_ONCE())
>
> .../memory-model/Documentation/access-marking.txt | 151 ++++++++++++++++++---
> 1 file changed, 135 insertions(+), 16 deletions(-)

Pulled into tip:locking/debug, thanks a lot Paul!

Ingo