2 files changed, 10 insertions, 6 deletions
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index 2ed4e2bb3b32..a5371ec36776 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -17,11 +17,13 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
        return x2apic_enabled();
 }
-/* Start with all IRQs pointing to boot CPU.  IRQ balancing will shift them. */
+/*
+ * need to use more than cpu 0, because we need more vectors when
+ * MSI-X are used.
+ */
 static const struct cpumask *x2apic_target_cpus(void)
 {
-        return cpumask_of(0);
+        return cpu_online_mask;
 }
 /*
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 0b631c6a2e00..a8989aadc99a 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -27,11 +27,13 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
                return 0;
 }
-/* Start with all IRQs pointing to boot CPU.  IRQ balancing will shift them. */
+/*
+ * need to use more than cpu 0, because we need more vectors when
+ * MSI-X are used.
+ */
 static const struct cpumask *x2apic_target_cpus(void)
 {
-        return cpumask_of(0);
+        return cpu_online_mask;
 }
 static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)

diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 2ed4e2bb3b32..a5371ec36776 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -17,11 +17,13 @@ static int x2apic_acpi_madt_oem_check(char oem_id, char oem_table_id)
17	return x2apic_enabled();	17	return x2apic_enabled();
18	}	18	}
19		19
20	/* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */	20	/*
21		21	* need to use more than cpu 0, because we need more vectors when
		22	* MSI-X are used.
		23	*/
22	static const struct cpumask *x2apic_target_cpus(void)	24	static const struct cpumask *x2apic_target_cpus(void)
23	{	25	{
24	return cpumask_of(0);	26	return cpu_online_mask;
25	}	27	}
26		28
27	/*	29	/*


diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c index 0b631c6a2e00..a8989aadc99a 100644 --- a/arch/x86/kernel/apic/x2apic_phys.c +++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -27,11 +27,13 @@ static int x2apic_acpi_madt_oem_check(char oem_id, char oem_table_id)
27	return 0;	27	return 0;
28	}	28	}
29		29
30	/* Start with all IRQs pointing to boot CPU. IRQ balancing will shift them. */	30	/*
31		31	* need to use more than cpu 0, because we need more vectors when
		32	* MSI-X are used.
		33	*/
32	static const struct cpumask *x2apic_target_cpus(void)	34	static const struct cpumask *x2apic_target_cpus(void)
33	{	35	{
34	return cpumask_of(0);	36	return cpu_online_mask;
35	}	37	}
36		38
37	static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)	39	static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)