Re: [PATCH] sparseirq: fix hang with !SPARSE_IRQ

From: Ingo Molnar
Date: Sat Dec 27 2008 - 03:42:16 EST



* Yinghai Lu <yinghai@xxxxxxxxxx> wrote:

> Impact: fix hang
>
> Suresh report his two sockets system only works with SPARSE_IRQ enable
> it turns out we miss the setting desc->irq
>
> so provide early_irq_init() even !SPARSE_IRQ to set desc->irq
>
> Reported by: "Siddha, Suresh B" <suresh.b.siddha@xxxxxxxxx>
> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
>
> ---
> init/main.c | 6 ------
> kernel/irq/handle.c | 15 +++++++++++++++
> 2 files changed, 15 insertions(+), 6 deletions(-)

applied to tip/irq/sparseirq - thanks Yinghai. This fixed a testsystem of
mine as well that showed weird hangs with !sparseirq.

Ingo
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