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SubjectRe: [PATCH v4 5/7] xen: add xen hvm acpi_register_gsi variant
Hey Len, Pavel, Rafael,

Stefano forgot to put you guys as CC. Is this patch OK with
you guys? The full link for the patchset is: http://lkml.org/lkml/2010/10/12/246

On Tue, Oct 12, 2010 at 05:34:47PM +0100, stefano.stabellini@eu.citrix.com wrote:
> From: Jeremy Fitzhardinge <jeremy@goop.org>
>
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
> arch/x86/include/asm/acpi.h | 3 +++
> arch/x86/kernel/acpi/boot.c | 3 ++-
> arch/x86/pci/xen.c | 6 ++++++
> 3 files changed, 11 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
> index 92091de..55d106b 100644
> --- a/arch/x86/include/asm/acpi.h
> +++ b/arch/x86/include/asm/acpi.h
> @@ -93,6 +93,9 @@ extern u8 acpi_sci_flags;
> extern int acpi_sci_override_gsi;
> void acpi_pic_sci_set_trigger(unsigned int, u16);
>
> +extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
> + int trigger, int polarity);
> +
> static inline void disable_acpi(void)
> {
> acpi_disabled = 1;
> diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
> index 031f0c2..71232b9 100644
> --- a/arch/x86/kernel/acpi/boot.c
> +++ b/arch/x86/kernel/acpi/boot.c
> @@ -537,7 +537,8 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
> return gsi;
> }
>
> -static int (*__acpi_register_gsi)(struct device *dev, u32 gsi, int trigger, int polarity) = acpi_register_gsi_pic;
> +int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
> + int trigger, int polarity) = acpi_register_gsi_pic;
>
> /*
> * success: return IRQ number (>=0)
> diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
> index e7f897b..ef9b8b2 100644
> --- a/arch/x86/pci/xen.c
> +++ b/arch/x86/pci/xen.c
> @@ -53,6 +53,12 @@ static int xen_hvm_register_pirq(u32 gsi, int triggering)
>
> return irq;
> }
> +
> +static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi,
> + int trigger, int polarity)
> +{
> + return xen_hvm_register_pirq(gsi, trigger);
> +}
> #endif
>
> #if defined(CONFIG_PCI_MSI)
> --
> 1.5.6.5


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