* David Brownell <[EMAIL PROTECTED]> wrote:
> > > I speculate that either the design has changed (without fanfare),
> > > or else that stuff is in RT kernels and has not yet gone upstream.
> >
> > Well whatever. We shouldn't have to resort to caller-side party
> > tricks like this to get acceptable performance.
>
> I'd be happy if, as originally presented, it were possible to just
> pass a raw_spinlock_t to spin_lock_irqsave() and friends.
that's a spinlock type abstraction of PREEMPT_RT, not of mainline. In
mainline there's basically almost never any valid reason to use a raw
spinlock - please use spinlock_t instead. Why do you want to use
raw_spinlock_t?
Ingo
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