Re: [PATCH] Export current_is_keventd() for libphy

Linus Torvalds <[email protected]> wrote:

>  (a) "volatile" on kernel data is basically always a bug, and you should 
>      use locking.

But what about when you're building a lock?  Actually, I suspect correct usage
of asm constraints and memory barriers trumps volatile anyway even there.

David
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