Re: [RT] seqlocks: use of PICK_FUNCTION breaks kernel compile whenCONFIG_GENERIC_TIME is NOT set

[Steven Rostedt]

--

On Wed, 17 Oct 2007, Daniel Walker wrote:

> On Wed, 2007-10-17 at 11:10 -0400, Steven Rostedt wrote:
>
> > > >
> > > >  #define read_seqbegin_irqsave(lock, flags)			\
> > > > -do {								\
> > > > +({								\
> > > >  	flags = PICK_SEQ_OP_RET(__read_seqbegin_irqsave_raw,	\
> > > >  		__read_seqbegin_irqsave, lock);			\
> > > > -} while (0)
> > > > +	read_seqbegin(lock);					\
> > > > +})
> >
> > Yes, definitely the raw and unraw functions should be called
> > local_irqsave_raw or something else that makes this obvious to what it
> > is doing.
>
> Hmm.. I'm not sure what else to name them .. Since it's in the seqlock.h
> I don't think it should be called anything "local_irq*" .. It could be
> seq_irqsave_{raw} .

Hmm, what about a __seq_irqsave_raw and __seq_nop?

That way it spells out that irqs are NOT touched if it is not a raw lock.

-- Steve

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