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SubjectRe: [PATCH 13/13] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts
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On Mon, 2014-11-10 at 14:26 +0800, Feng Wu wrote:
> Enable VT-d Posted-Interrtups and add a command line
> parameter for it.
>
> Signed-off-by: Feng Wu <feng.wu@intel.com>
> ---
> drivers/iommu/irq_remapping.c | 9 ++++++++-
> 1 files changed, 8 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c
> index 0e36860..3cb9429 100644
> --- a/drivers/iommu/irq_remapping.c
> +++ b/drivers/iommu/irq_remapping.c
> @@ -23,7 +23,7 @@ int irq_remap_broken;
> int disable_sourceid_checking;
> int no_x2apic_optout;
>
> -int disable_irq_post = 1;
> +int disable_irq_post = 0;
> int irq_post_enabled = 0;
> EXPORT_SYMBOL_GPL(irq_post_enabled);
>
> @@ -206,6 +206,13 @@ static __init int setup_irqremap(char *str)
> }
> early_param("intremap", setup_irqremap);
>
> +static __init int setup_nointpost(char *str)
> +{
> + disable_irq_post = 1;
> + return 0;
> +}
> +early_param("nointpost", setup_nointpost);
> +

Documentation/kernel-parameters.txt? Thanks,

Alex

> void __init setup_irq_remapping_ops(void)
> {
> remap_ops = &intel_irq_remap_ops;





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