Re: [RFC 3/3] irq: Privatize irq_common_data::state_use_accessors

[Boqun Feng]

On Mon, Dec 14, 2015 at 04:59:45PM +0100, Thomas Gleixner wrote:
> On Mon, 14 Dec 2015, Boqun Feng wrote:
> > Probably something like this(untested, only run "make kernel/irq/")?
> > 
> > Subject: [RFC v2 3/3] irq: Privatize irq_common_data::state_use_accessors
> > 
> > According to Peter Zijlstra, irq_common_data::state_use_accessors is not
> > designed for public use. Therefore make it private so that people who
> > write code accessing it directly will get blamed by sparse.
> > 
> > Also macro __irqd_to_state() is for _designed_ accesses to irq_data's
> > state only, it's better to limit its scope, therefore put all its
> > callers together and #undef it after use.
> 
> That exposes the set/clr functions to the global header file, while
> today those are restricted to the core internals header. There is a
> reason why I did not make them public ....
> 

Oops, I wasn't aware of that... then I guess we should define and undef
__irqd_to_state twice, in include/linux/irq.h and in
kernel/irq/internals.h, right?

Regards,
Boqun

Attachment: signature.asc
Description: PGP signature