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| author | Thomas Gleixner <tglx@linutronix.de> | 2011-02-09 14:54:49 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-02-19 12:58:21 +0100 |
| commit | f9e4989eb8183a1f33581fa1b99274287b0639d2 (patch) | |
| tree | 3b69372623761448a044a24627ceba973e25c4f1 /kernel/irq | |
| parent | 1ccb4e612f68ceefb888c2c6c1def6294ea8666d (diff) | |
| download | linux-stable-f9e4989eb8183a1f33581fa1b99274287b0639d2.tar.gz linux-stable-f9e4989eb8183a1f33581fa1b99274287b0639d2.tar.bz2 linux-stable-f9e4989eb8183a1f33581fa1b99274287b0639d2.zip | |
genirq: Force wrapped access to desc->status in core code
Force the usage of wrappers by another nasty CPP substitution.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/handle.c | 6 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 4 | ||||
| -rw-r--r-- | kernel/irq/settings.h | 3 |
3 files changed, 8 insertions, 5 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 6e34bdbeb26a..cb62e2d0df4e 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -55,7 +55,7 @@ irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action) { irqreturn_t ret, retval = IRQ_NONE; - unsigned int status = 0, irq = desc->irq_data.irq; + unsigned int random = 0, irq = desc->irq_data.irq; do { trace_irq_handler_entry(irq, action); @@ -98,7 +98,7 @@ handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action) /* Fall through to add to randomness */ case IRQ_HANDLED: - status |= action->flags; + random |= action->flags; break; default: @@ -109,7 +109,7 @@ handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action) action = action->next; } while (action); - if (status & IRQF_SAMPLE_RANDOM) + if (random & IRQF_SAMPLE_RANDOM) add_interrupt_randomness(irq); if (!noirqdebug) diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 78866d050bc9..3387fbd7f2f4 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -79,7 +79,7 @@ static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node) desc->irq_data.chip_data = NULL; desc->irq_data.handler_data = NULL; desc->irq_data.msi_desc = NULL; - desc->status = _IRQ_DEFAULT_INIT_FLAGS; + irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); desc->istate = IRQS_DISABLED; desc->handle_irq = handle_bad_irq; desc->depth = 1; @@ -247,7 +247,6 @@ int __init early_irq_init(void) struct irq_desc irq_desc[NR_IRQS] __cacheline_aligned_in_smp = { [0 ... NR_IRQS-1] = { - .status = _IRQ_DEFAULT_INIT_FLAGS, .istate = IRQS_DISABLED, .handle_irq = handle_bad_irq, .depth = 1, @@ -271,6 +270,7 @@ int __init early_irq_init(void) desc[i].irq_data.irq = i; desc[i].irq_data.chip = &no_irq_chip; desc[i].kstat_irqs = alloc_percpu(unsigned int); + irq_settings_clr_and_set(desc, ~0, _IRQ_DEFAULT_INIT_FLAGS); alloc_masks(desc + i, GFP_KERNEL, node); desc_smp_init(desc + i, node); lockdep_set_class(&desc[i].lock, &irq_desc_lock_class); diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h index 216b6f200e7c..47bcd3b9f399 100644 --- a/kernel/irq/settings.h +++ b/kernel/irq/settings.h @@ -148,3 +148,6 @@ static inline bool irq_settings_is_nested_thread(struct irq_desc *desc) { return desc->status & _IRQ_NESTED_THREAD; } + +/* Nothing should touch desc->status from now on */ +#define status USE_THE_PROPER_WRAPPERS_YOU_MORON |