linux-kernel - Re: [PATCH v4 5/7] xen: add xen hvm acpi_register

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Message-ID: <20101012165207.GA26934@dumpdata.com>
Date:	Tue, 12 Oct 2010 12:52:07 -0400
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	stefano.stabellini@...citrix.com, len.brown@...el.com,
	pavel@....cz, rjw@...k.pl
Cc:	linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com,
	jeremy@...p.org,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: Re: [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@...citrix.com wrote:
> From: Jeremy Fitzhardinge <jeremy@...p.org>
> 
> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
> Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.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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