On Mon, Oct 05 2020 at 16:28, David Woodhouse wrote:
> -static void __irq_msi_compose_msg(struct irq_cfg *cfg, struct msi_msg *msg)
> +static void __irq_msi_compose_msg(struct irq_cfg *cfg, struct msi_msg *msg,
> int dmar)
bool dmar?
> +/*
> + * The Intel IOMMU (ab)uses the high bits of the MSI address to contain the
> + * high bits of the destination APIC ID. This can't be done in the general
> + * case for MSIs as it would be targeting real memory above 4GiB not the
> + * APIC.
> + */
> +static void dmar_msi_compose_msg(struct irq_data *data, struct msi_msg *msg)
> +{
> + __irq_msi_compose_msg(irqd_cfg(data), msg, 1);
> +
> +
> +
Lots of stray newlines...
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