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Date:   Tue, 30 May 2023 11:26:07 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Linus Torvalds <torvalds@linux-foundation.org>
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Subject: Re: [PATCH v2 0/2] Lock and Pointer guards
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On Sat, May 27, 2023 at 12:18:04PM -0700, Linus Torvalds wrote:

> And before you say "unlock order doesn't matter" - that's actually not
> true. Unlock order does matter when you have things like
> "spin_lock_irq()" where the irq-off region then protects other locks
> too.

So I had already verified that GCC keeps them ordered, I see the
subthread with Ian and the documentation update request -- so all good
there.

Also, lockdep would scream bloody murder if you get that wrong, so I
can certainly add something to the selftests that would detect this.