[PATCH 07/11] drm/i915: Clarify irq_lock locking, irq handlers

Chris Wilson chris at chris-wilson.co.uk
Tue Sep 16 03:21:52 PDT 2014


On Mon, Sep 15, 2014 at 02:35:07PM +0200, Daniel Vetter wrote:
> irq handlers always run with interrupts locally disabled, so
> plain spinlocks is all we need. I've also reviewed again that they
> all follow the _irq_handler postfix convention.

Hmm, we still have the full irq dance inside the reg read/write macros,
which themselves should never be used from inside the irq handlers.

(Modulo the misgivings in execlists_irq_handler).
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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