diff options
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/affinity.c | 22 | ||||
| -rw-r--r-- | kernel/irq/devres.c | 4 | ||||
| -rw-r--r-- | kernel/irq/irqdesc.c | 17 | ||||
| -rw-r--r-- | kernel/irq/irqdomain.c | 4 | ||||
| -rw-r--r-- | kernel/irq/msi.c | 8 |
5 files changed, 29 insertions, 26 deletions
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index e423bff1928c..c0fe591b0dc9 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -99,7 +99,7 @@ static int __irq_build_affinity_masks(const struct irq_affinity *affd, cpumask_var_t *node_to_cpumask, const struct cpumask *cpu_mask, struct cpumask *nmsk, - struct cpumask *masks) + struct irq_affinity_desc *masks) { int n, nodes, cpus_per_vec, extra_vecs, done = 0; int last_affv = firstvec + numvecs; @@ -117,7 +117,9 @@ static int __irq_build_affinity_masks(const struct irq_affinity *affd, */ if (numvecs <= nodes) { for_each_node_mask(n, nodemsk) { - cpumask_or(masks + curvec, masks + curvec, node_to_cpumask[n]); + cpumask_or(&masks[curvec].mask, + &masks[curvec].mask, + node_to_cpumask[n]); if (++curvec == last_affv) curvec = firstvec; } @@ -150,7 +152,8 @@ static int __irq_build_affinity_masks(const struct irq_affinity *affd, cpus_per_vec++; --extra_vecs; } - irq_spread_init_one(masks + curvec, nmsk, cpus_per_vec); + irq_spread_init_one(&masks[curvec].mask, nmsk, + cpus_per_vec); } done += v; @@ -173,7 +176,7 @@ out: static int irq_build_affinity_masks(const struct irq_affinity *affd, int startvec, int numvecs, int firstvec, cpumask_var_t *node_to_cpumask, - struct cpumask *masks) + struct irq_affinity_desc *masks) { int curvec = startvec, nr_present, nr_others; int ret = -ENOMEM; @@ -226,15 +229,15 @@ static int irq_build_affinity_masks(const struct irq_affinity *affd, * @nvecs: The total number of vectors * @affd: Description of the affinity requirements * - * Returns the masks pointer or NULL if allocation failed. + * Returns the irq_affinity_desc pointer or NULL if allocation failed. */ -struct cpumask * +struct irq_affinity_desc * irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) { int affvecs = nvecs - affd->pre_vectors - affd->post_vectors; int curvec, usedvecs; cpumask_var_t *node_to_cpumask; - struct cpumask *masks = NULL; + struct irq_affinity_desc *masks = NULL; int i, nr_sets; /* @@ -254,8 +257,7 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) /* Fill out vectors at the beginning that don't need affinity */ for (curvec = 0; curvec < affd->pre_vectors; curvec++) - cpumask_copy(masks + curvec, irq_default_affinity); - + cpumask_copy(&masks[curvec].mask, irq_default_affinity); /* * Spread on present CPUs starting from affd->pre_vectors. If we * have multiple sets, build each sets affinity mask separately. @@ -285,7 +287,7 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) else curvec = affd->pre_vectors + usedvecs; for (; curvec < nvecs; curvec++) - cpumask_copy(masks + curvec, irq_default_affinity); + cpumask_copy(&masks[curvec].mask, irq_default_affinity); outnodemsk: free_node_to_cpumask(node_to_cpumask); diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c index 6a682c229e10..5d5378ea0afe 100644 --- a/kernel/irq/devres.c +++ b/kernel/irq/devres.c @@ -169,7 +169,7 @@ static void devm_irq_desc_release(struct device *dev, void *res) * @cnt: Number of consecutive irqs to allocate * @node: Preferred node on which the irq descriptor should be allocated * @owner: Owning module (can be NULL) - * @affinity: Optional pointer to an affinity mask array of size @cnt + * @affinity: Optional pointer to an irq_affinity_desc array of size @cnt * which hints where the irq descriptors should be allocated * and which default affinities to use * @@ -179,7 +179,7 @@ static void devm_irq_desc_release(struct device *dev, void *res) */ int __devm_irq_alloc_descs(struct device *dev, int irq, unsigned int from, unsigned int cnt, int node, struct module *owner, - const struct cpumask *affinity) + const struct irq_affinity_desc *affinity) { struct irq_desc_devres *dr; int base; diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 578d0e5f1b5b..cb401d6c5040 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -449,28 +449,29 @@ static void free_desc(unsigned int irq) } static int alloc_descs(unsigned int start, unsigned int cnt, int node, - const struct cpumask *affinity, struct module *owner) + const struct irq_affinity_desc *affinity, + struct module *owner) { - const struct cpumask *mask = NULL; struct irq_desc *desc; unsigned int flags; int i; /* Validate affinity mask(s) */ if (affinity) { - for (i = 0, mask = affinity; i < cnt; i++, mask++) { - if (cpumask_empty(mask)) + for (i = 0; i < cnt; i++) { + if (cpumask_empty(&affinity[i].mask)) return -EINVAL; } } flags = affinity ? IRQD_AFFINITY_MANAGED | IRQD_MANAGED_SHUTDOWN : 0; - mask = NULL; for (i = 0; i < cnt; i++) { + const struct cpumask *mask = NULL; + if (affinity) { node = cpu_to_node(cpumask_first(affinity)); - mask = affinity; + mask = &affinity->mask; affinity++; } desc = alloc_desc(start + i, node, flags, mask, owner); @@ -575,7 +576,7 @@ static void free_desc(unsigned int irq) } static inline int alloc_descs(unsigned int start, unsigned int cnt, int node, - const struct cpumask *affinity, + const struct irq_affinity_desc *affinity, struct module *owner) { u32 i; @@ -705,7 +706,7 @@ EXPORT_SYMBOL_GPL(irq_free_descs); */ int __ref __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node, - struct module *owner, const struct cpumask *affinity) + struct module *owner, const struct irq_affinity_desc *affinity) { int start, ret; diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 3366d11c3e02..8b0be4bd6565 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -969,7 +969,7 @@ const struct irq_domain_ops irq_domain_simple_ops = { EXPORT_SYMBOL_GPL(irq_domain_simple_ops); int irq_domain_alloc_descs(int virq, unsigned int cnt, irq_hw_number_t hwirq, - int node, const struct cpumask *affinity) + int node, const struct irq_affinity_desc *affinity) { unsigned int hint; @@ -1281,7 +1281,7 @@ int irq_domain_alloc_irqs_hierarchy(struct irq_domain *domain, */ int __irq_domain_alloc_irqs(struct irq_domain *domain, int irq_base, unsigned int nr_irqs, int node, void *arg, - bool realloc, const struct cpumask *affinity) + bool realloc, const struct irq_affinity_desc *affinity) { int i, ret, virq; diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 4ca2fd46645d..ad26fbcfbfc8 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -23,11 +23,11 @@ * @nvec: The number of vectors used in this entry * @affinity: Optional pointer to an affinity mask array size of @nvec * - * If @affinity is not NULL then a an affinity array[@nvec] is allocated - * and the affinity masks from @affinity are copied. + * If @affinity is not NULL then an affinity array[@nvec] is allocated + * and the affinity masks and flags from @affinity are copied. */ -struct msi_desc * -alloc_msi_entry(struct device *dev, int nvec, const struct cpumask *affinity) +struct msi_desc *alloc_msi_entry(struct device *dev, int nvec, + const struct irq_affinity_desc *affinity) { struct msi_desc *desc; |