diff options
Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r-- | drivers/pci/msi.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 2b85aa39f954..532f73bb2224 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c | |||
@@ -91,6 +91,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask) | |||
91 | { | 91 | { |
92 | struct msi_desc *entry; | 92 | struct msi_desc *entry; |
93 | struct msg_address address; | 93 | struct msg_address address; |
94 | unsigned int irq = vector; | ||
94 | 95 | ||
95 | entry = (struct msi_desc *)msi_desc[vector]; | 96 | entry = (struct msi_desc *)msi_desc[vector]; |
96 | if (!entry || !entry->dev) | 97 | if (!entry || !entry->dev) |
@@ -112,6 +113,7 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask) | |||
112 | entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask); | 113 | entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask); |
113 | pci_write_config_dword(entry->dev, msi_lower_address_reg(pos), | 114 | pci_write_config_dword(entry->dev, msi_lower_address_reg(pos), |
114 | address.lo_address.value); | 115 | address.lo_address.value); |
116 | set_native_irq_info(irq, cpu_mask); | ||
115 | break; | 117 | break; |
116 | } | 118 | } |
117 | case PCI_CAP_ID_MSIX: | 119 | case PCI_CAP_ID_MSIX: |
@@ -125,22 +127,13 @@ static void set_msi_affinity(unsigned int vector, cpumask_t cpu_mask) | |||
125 | MSI_TARGET_CPU_SHIFT); | 127 | MSI_TARGET_CPU_SHIFT); |
126 | entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask); | 128 | entry->msi_attrib.current_cpu = cpu_mask_to_apicid(cpu_mask); |
127 | writel(address.lo_address.value, entry->mask_base + offset); | 129 | writel(address.lo_address.value, entry->mask_base + offset); |
130 | set_native_irq_info(irq, cpu_mask); | ||
128 | break; | 131 | break; |
129 | } | 132 | } |
130 | default: | 133 | default: |
131 | break; | 134 | break; |
132 | } | 135 | } |
133 | } | 136 | } |
134 | |||
135 | #ifdef CONFIG_IRQBALANCE | ||
136 | static inline void move_msi(int vector) | ||
137 | { | ||
138 | if (!cpus_empty(pending_irq_balance_cpumask[vector])) { | ||
139 | set_msi_affinity(vector, pending_irq_balance_cpumask[vector]); | ||
140 | cpus_clear(pending_irq_balance_cpumask[vector]); | ||
141 | } | ||
142 | } | ||
143 | #endif /* CONFIG_IRQBALANCE */ | ||
144 | #endif /* CONFIG_SMP */ | 137 | #endif /* CONFIG_SMP */ |
145 | 138 | ||
146 | static void mask_MSI_irq(unsigned int vector) | 139 | static void mask_MSI_irq(unsigned int vector) |
@@ -191,13 +184,13 @@ static void shutdown_msi_irq(unsigned int vector) | |||
191 | 184 | ||
192 | static void end_msi_irq_wo_maskbit(unsigned int vector) | 185 | static void end_msi_irq_wo_maskbit(unsigned int vector) |
193 | { | 186 | { |
194 | move_msi(vector); | 187 | move_native_irq(vector); |
195 | ack_APIC_irq(); | 188 | ack_APIC_irq(); |
196 | } | 189 | } |
197 | 190 | ||
198 | static void end_msi_irq_w_maskbit(unsigned int vector) | 191 | static void end_msi_irq_w_maskbit(unsigned int vector) |
199 | { | 192 | { |
200 | move_msi(vector); | 193 | move_native_irq(vector); |
201 | unmask_MSI_irq(vector); | 194 | unmask_MSI_irq(vector); |
202 | ack_APIC_irq(); | 195 | ack_APIC_irq(); |
203 | } | 196 | } |