Re: [PATCH 3/3] x86_64 irq: Allocate a vector across all cpus for genapic_flat.

From: Muli Ben-Yehuda
Date: Sun Oct 08 2006 - 15:02:08 EST


On Sun, Oct 08, 2006 at 07:47:55AM -0600, Eric W. Biederman wrote:

> This should also fix the problem report where a hyperthreaded
> cpu was receving the irq on the wrong hyperthread when in
> logical delivery mode because the previous behaviour is restored.
>
> This patch properly records our allocation of the first 16 irqs
> to the first 16 available vectors on all cpus. This should be
> fine but it may run into problems with multiple interrupts at
> the same interrupt level. Except for some badly maintained comments
> in the code and the behaviour of the interrupt allocator I have
> no real understanding of that problem.
>
> Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>

Acked-by: Muli Ben-Yehuda <muli@xxxxxxxxxx>

Cheers,
Muli
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