Re: [Xen-devel] [PATCH] xen: use the pirq number to check the pirq_eoi_map

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 25/04/12 16:11, Stefano Stabellini wrote:
> In pirq_check_eoi_map use the pirq number rather than the Linux irq
> number to check whether an eoi is needed in the pirq_eoi_map.

What buggy behaviour does this patch fix?  It would be nice if this was
included in the patch description.

David

> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Tested-by: Tobias Geiger <tobias.geiger@xxxxxxxxx>
> ---
>  drivers/xen/events.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/xen/events.c b/drivers/xen/events.c
> index 4b33acd..0a8a17c 100644
> --- a/drivers/xen/events.c
> +++ b/drivers/xen/events.c
> @@ -274,7 +274,7 @@ static unsigned int cpu_from_evtchn(unsigned int evtchn)
>  
>  static bool pirq_check_eoi_map(unsigned irq)
>  {
> -     return test_bit(irq, pirq_eoi_map);
> +     return test_bit(pirq_from_irq(irq), pirq_eoi_map);
>  }
>  
>  static bool pirq_needs_eoi_flag(unsigned irq)


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