diff options
Diffstat (limited to 'kernel/irq/manage.c')
| -rw-r--r-- | kernel/irq/manage.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ea0c6c2ae6f7..8c548232ba39 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c | |||
| @@ -142,6 +142,25 @@ static inline void | |||
| 142 | irq_get_pending(struct cpumask *mask, struct irq_desc *desc) { } | 142 | irq_get_pending(struct cpumask *mask, struct irq_desc *desc) { } |
| 143 | #endif | 143 | #endif |
| 144 | 144 | ||
| 145 | int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask, | ||
| 146 | bool force) | ||
| 147 | { | ||
| 148 | struct irq_desc *desc = irq_data_to_desc(data); | ||
| 149 | struct irq_chip *chip = irq_data_get_irq_chip(data); | ||
| 150 | int ret; | ||
| 151 | |||
| 152 | ret = chip->irq_set_affinity(data, mask, false); | ||
| 153 | switch (ret) { | ||
| 154 | case IRQ_SET_MASK_OK: | ||
| 155 | cpumask_copy(data->affinity, mask); | ||
| 156 | case IRQ_SET_MASK_OK_NOCOPY: | ||
| 157 | irq_set_thread_affinity(desc); | ||
| 158 | ret = 0; | ||
| 159 | } | ||
| 160 | |||
| 161 | return ret; | ||
| 162 | } | ||
| 163 | |||
| 145 | int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask) | 164 | int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask) |
| 146 | { | 165 | { |
| 147 | struct irq_chip *chip = irq_data_get_irq_chip(data); | 166 | struct irq_chip *chip = irq_data_get_irq_chip(data); |
| @@ -152,14 +171,7 @@ int __irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask) | |||
| 152 | return -EINVAL; | 171 | return -EINVAL; |
| 153 | 172 | ||
| 154 | if (irq_can_move_pcntxt(data)) { | 173 | if (irq_can_move_pcntxt(data)) { |
| 155 | ret = chip->irq_set_affinity(data, mask, false); | 174 | ret = irq_do_set_affinity(data, mask, false); |
| 156 | switch (ret) { | ||
| 157 | case IRQ_SET_MASK_OK: | ||
| 158 | cpumask_copy(data->affinity, mask); | ||
| 159 | case IRQ_SET_MASK_OK_NOCOPY: | ||
| 160 | irq_set_thread_affinity(desc); | ||
| 161 | ret = 0; | ||
| 162 | } | ||
| 163 | } else { | 175 | } else { |
| 164 | irqd_set_move_pending(data); | 176 | irqd_set_move_pending(data); |
| 165 | irq_copy_pending(desc, mask); | 177 | irq_copy_pending(desc, mask); |
| @@ -283,9 +295,8 @@ EXPORT_SYMBOL_GPL(irq_set_affinity_notifier); | |||
| 283 | static int | 295 | static int |
| 284 | setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) | 296 | setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) |
| 285 | { | 297 | { |
| 286 | struct irq_chip *chip = irq_desc_get_chip(desc); | ||
| 287 | struct cpumask *set = irq_default_affinity; | 298 | struct cpumask *set = irq_default_affinity; |
| 288 | int ret, node = desc->irq_data.node; | 299 | int node = desc->irq_data.node; |
| 289 | 300 | ||
| 290 | /* Excludes PER_CPU and NO_BALANCE interrupts */ | 301 | /* Excludes PER_CPU and NO_BALANCE interrupts */ |
| 291 | if (!irq_can_set_affinity(irq)) | 302 | if (!irq_can_set_affinity(irq)) |
| @@ -311,13 +322,7 @@ setup_affinity(unsigned int irq, struct irq_desc *desc, struct cpumask *mask) | |||
| 311 | if (cpumask_intersects(mask, nodemask)) | 322 | if (cpumask_intersects(mask, nodemask)) |
| 312 | cpumask_and(mask, mask, nodemask); | 323 | cpumask_and(mask, mask, nodemask); |
| 313 | } | 324 | } |
| 314 | ret = chip->irq_set_affinity(&desc->irq_data, mask, false); | 325 | irq_do_set_affinity(&desc->irq_data, mask, false); |
| 315 | switch (ret) { | ||
| 316 | case IRQ_SET_MASK_OK: | ||
| 317 | cpumask_copy(desc->irq_data.affinity, mask); | ||
| 318 | case IRQ_SET_MASK_OK_NOCOPY: | ||
| 319 | irq_set_thread_affinity(desc); | ||
| 320 | } | ||
| 321 | return 0; | 326 | return 0; |
| 322 | } | 327 | } |
| 323 | #else | 328 | #else |
