Re: [PATCH] x86-64: using cpu_online_map instead of APIC_ALL_CPUS

[Yinghai Lu]

Muli,

Can you test this one?

YH

On 10/22/06, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
> "Yinghai Lu" <yinghai.lu@xxxxxxx> writes:
>
> > Using cpu_online_map instead of APIC_ALL_CPUS for flat apic mode, So
> > __assign_irq_vector can refer correct per_cpu data.
> >
> > Cc: Muli Ben-Yehuda <muli@xxxxxxxxxx>
> > Signed-off-by: Yinghai Lu <yinghai.lu@xxxxxxx>
>
> Nack.  This fixes the symptom not the bug.
> More comprehensive patches follow.
>
> Eric
>
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diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index b000017..29cae92 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -634,7 +634,7 @@ static int __assign_irq_vector(int irq, 
 		int first, new_cpu;
 		int vector, offset;
 
-		domain = vector_allocation_domain(cpu);
+		cpus_and(domain, vector_allocation_domain(cpu), mask);
 		first = first_cpu(domain);
 
 		vector = pos[first].vector;