linux-kernel - Re: [RT] seqlocks: use of PICK_FUNCTION breaks kernel compile when CONFIG_GENERIC

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Message-Id: <1192634645.17527.134.camel@imap.mvista.com>
Date:	Wed, 17 Oct 2007 08:24:05 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Remy Bohmer <linux@...mer.net>, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [RT] seqlocks: use of PICK_FUNCTION breaks kernel compile when
	CONFIG_GENERIC_TIME is NOT set

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} . 

Daniel

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