Messages in this thread | | | Date | Fri, 12 Oct 2018 10:22:09 +0100 | From | Will Deacon <> | Subject | Re: [PATCH v2 4/4] locking/qspinlock, x86: Provide liveness guarantee |
| |
On Wed, Oct 10, 2018 at 05:12:57PM +0100, Will Deacon wrote: > On Wed, Oct 03, 2018 at 03:03:01PM +0200, Peter Zijlstra wrote: > > arch/x86/include/asm/qspinlock.h | 15 +++++++++++++++ > > kernel/locking/qspinlock.c | 16 +++++++++++++++- > > 2 files changed, 30 insertions(+), 1 deletion(-) > > I've failed to break this by thinking really hard, so I've updated Catalin's > TLA model to see if the tools are still happy. I'll get back to you once > they've finished chewing on it.
The model is happy, so this doesn't introduce any "bad" SC behaviours.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Will
| |