On Thu, 13 Apr 2017 22:02:52 +0800
Alex Shi <[email protected]> wrote:
> The rt-mutex documents didn't gotten meaningful update from its first
> version. Even after owner's pending bit was removed in commit 8161239a8bcc
> ("rtmutex: Simplify PI algorithm and make highest prio task get lock")
> and priority list 'plist' changed to rbtree. So the documents are far
> late of real code.
BTW, there is still technically a "Pending Owner", it's just not called
that anymore. The pending owner happens to be the top_waiter of a lock
that has no owner and has been woken up to grab the lock. This change
simplified the code. The document should reflect this point.
-- Steve
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