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author | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
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committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
commit | d121f07691415df824e6b60520f782f6d13b3c81 (patch) | |
tree | 422ad3cc6fd631604fef4e469e49bacba8202e52 /kernel/irq/generic-chip.c | |
parent | libnvdimm, namespace: remove redundant initialization of 'nd_mapping' (diff) | |
parent | dax: require 'struct page' by default for filesystem dax (diff) | |
download | linux-dev-d121f07691415df824e6b60520f782f6d13b3c81.tar.xz linux-dev-d121f07691415df824e6b60520f782f6d13b3c81.zip |
Merge branch 'for-4.16/dax' into libnvdimm-for-next
Diffstat (limited to 'kernel/irq/generic-chip.c')
-rw-r--r-- | kernel/irq/generic-chip.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c index c26c5bb6b491..508c03dfef25 100644 --- a/kernel/irq/generic-chip.c +++ b/kernel/irq/generic-chip.c @@ -364,10 +364,11 @@ irq_get_domain_generic_chip(struct irq_domain *d, unsigned int hw_irq) EXPORT_SYMBOL_GPL(irq_get_domain_generic_chip); /* - * Separate lockdep class for interrupt chip which can nest irq_desc - * lock. + * Separate lockdep classes for interrupt chip which can nest irq_desc + * lock and request mutex. */ static struct lock_class_key irq_nested_lock_class; +static struct lock_class_key irq_nested_request_class; /* * irq_map_generic_chip - Map a generic chip for an irq domain @@ -409,7 +410,8 @@ int irq_map_generic_chip(struct irq_domain *d, unsigned int virq, set_bit(idx, &gc->installed); if (dgc->gc_flags & IRQ_GC_INIT_NESTED_LOCK) - irq_set_lockdep_class(virq, &irq_nested_lock_class); + irq_set_lockdep_class(virq, &irq_nested_lock_class, + &irq_nested_request_class); if (chip->irq_calc_mask) chip->irq_calc_mask(data); @@ -479,7 +481,8 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk, continue; if (flags & IRQ_GC_INIT_NESTED_LOCK) - irq_set_lockdep_class(i, &irq_nested_lock_class); + irq_set_lockdep_class(i, &irq_nested_lock_class, + &irq_nested_request_class); if (!(flags & IRQ_GC_NO_MASK)) { struct irq_data *d = irq_get_irq_data(i); |