Messages in this thread |  | | From | David Howells <> | Subject | Re: [PATCH v2 1/3] locking: Document the semantics of spin_is_locked() | Date | Tue, 03 Apr 2018 14:52:33 +0100 |
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Andrea Parri <andrea.parri@amarulasolutions.com> wrote:
> > It's more complicated than that. This function is dangerous and should be > > used with extreme care. In the case where CONFIG_SMP=n the value is locked > > one way or the other and it might be the wrong way. > > You mean "unlocked"? (aka, return 0)
No, I mean "fixed", sorry. We've had problems stemming from this before on UP systems.
David
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