Re: [tip:locking/urgent] compiler, atomics: Provide READ_ONCE_NOCHECK ()

[Peter Zijlstra]

On Wed, Oct 14, 2015 at 06:18:58PM +0200, Dmitry Vyukov wrote:
> 
> Well, if another thread writes it byte-by-byte, it pretty much does
> not matter how you read it.
> Note that I said "at least one access is not atomic". If both are
> atomic, then this is, of course, legal. And KTSAN considers
> READ/WRITE_ONCE as atomic operations.

OK, then I'm confused on what exactly the annotation does, but less
worried.
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