On Sat, Dec 12, 2015 at 10:56:02AM +0800, Boqun Feng wrote:
> 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.
>
> Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx>
> ---
> include/linux/irq.h | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/include/linux/irq.h b/include/linux/irq.h
> index 3c1c967..0b8f273 100644
> --- a/include/linux/irq.h
> +++ b/include/linux/irq.h
> @@ -137,7 +137,7 @@ struct irq_domain;
> * @msi_desc: MSI descriptor
> */
> struct irq_common_data {
> - unsigned int state_use_accessors;
> + unsigned int __private state_use_accessors;
> #ifdef CONFIG_NUMA
> unsigned int node;
> #endif
> @@ -208,7 +208,7 @@ enum {
> IRQD_FORWARDED_TO_VCPU = (1 << 20),
> };
>
> -#define __irqd_to_state(d) ((d)->common->state_use_accessors)
> +#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
>
> static inline bool irqd_is_setaffinity_pending(struct irq_data *d)
> {
We should probably #undef that one once we're done with it.. Thomas?
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