Messages in this thread Patch in this message | | | From | Ted Percival <> | Subject | [PATCH] x86: Restore missing cpumask_copy() in __x2apic_send_IPI_mask | Date | Fri, 5 Sep 2014 14:18:19 -0600 |
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This fixes a hang when initializing SMP CPUs at this point in the boot:
x86: Booting SMP configuration .... node #0, CPUs: #1_
Fixes: 4ba2968420fa ("percpu: Resolve ambiguities in __get_cpu_var/cpumask_var_t") Signed-off-by: Ted Percival <ted@tedp.id.au> --- arch/x86/kernel/apic/x2apic_cluster.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c index 1f5d5f2ffae6..e658f21681c8 100644 --- a/arch/x86/kernel/apic/x2apic_cluster.c +++ b/arch/x86/kernel/apic/x2apic_cluster.c @@ -43,6 +43,7 @@ __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) * and be sure it's manipulated with irq off. */ ipi_mask_ptr = this_cpu_cpumask_var_ptr(ipi_mask); + cpumask_copy(ipi_mask_ptr, mask); /* * The idea is to send one IPI per cluster. -- 1.9.1
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