On Wed, Aug 01, 2018 at 01:43:10PM +0800, Huang, Ying wrote: > Byungchul Park <byungchul.p...@lge.com> writes: > > > I think rcu list also works well. But I decided to use llist because > > llist is simpler and has one less pointer. > > > > Just to be sure, let me explain my use case more: > > > > 1. Introduced a global list where single linked list is sufficient. > > 2. All operations I need is to add items and traverse the list. > > 3. Ensure the operations always happen within irq-disabled section. > > 4. I'm considering CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG properly. > > 5. The list can be accessed by every CPU concurrently. > > > > Can you provide more information about where is your use case? Is it a > kernel driver? Then it is better to submit the patch together with its > user. > > And I have the similar concern as Steven Rostedt. That is, if you are > the only user forever, it's not necessary to change the common code.
I'm sorry the patch is too complicated and premature to share at the moment so I don't know how to extract only what you're asking me for. Thanks anyway. The common code doesn't have to be changed then. > Best Regards, > Huang, Ying
