From b354286effa52da6cb1b1f16604d41ff81b8c445 Mon Sep 17 00:00:00 2001 From: Boqun Feng Date: Tue, 29 Dec 2015 12:18:48 +0800 Subject: [PATCH] irq: Privatize irq_common_data::state_use_accessors 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 #undef the macro __irqd_to_state after used in header files, so that the macro can't be misused. Signed-off-by: Boqun Feng Reviewed-by: Thomas Gleixner Signed-off-by: Paul E. McKenney --- include/linux/irq.h | 6 ++++-- kernel/irq/internals.h | 4 ++++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/include/linux/irq.h b/include/linux/irq.h index 3c1c96786248..cd14cd4a22b4 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) { @@ -299,6 +299,8 @@ static inline void irqd_clr_forwarded_to_vcpu(struct irq_data *d) __irqd_to_state(d) &= ~IRQD_FORWARDED_TO_VCPU; } +#undef __irqd_to_state + static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d) { return d->hwirq; diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index fcab63c66905..3d182932d2d1 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -160,6 +160,8 @@ irq_put_desc_unlock(struct irq_desc *desc, unsigned long flags) __irq_put_desc_unlock(desc, flags, false); } +#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors) + /* * Manipulation functions for irq_data.state */ @@ -188,6 +190,8 @@ static inline bool irqd_has_set(struct irq_data *d, unsigned int mask) return __irqd_to_state(d) & mask; } +#undef __irqd_to_state + static inline void kstat_incr_irqs_this_cpu(struct irq_desc *desc) { __this_cpu_inc(*desc->kstat_irqs);