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Date: Fri, 5 Sep 2014 15:29:20 +0100
From: David Vrabel <david.vrabel@citrix.com>
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To: Yijing Wang <wangyijing@huawei.com>,
	Bjorn Helgaas <bhelgaas@google.com>
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	"David S. Miller" <davem@davemloft.net>
Subject: Re: [Xen-devel] [PATCH v1 08/21] x86/xen/MSI: Use MSI chip framework
 to configure MSI/MSI-X irq
References: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> <1409911806-10519-9-git-send-email-wangyijing@huawei.com>
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On 05/09/14 11:09, Yijing Wang wrote:
> Use MSI chip framework instead of arch MSI functions to configure
> MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework.
[...]
> --- a/arch/x86/pci/xen.c
> +++ b/arch/x86/pci/xen.c
[...]
> @@ -418,9 +430,9 @@ int __init pci_xen_init(void)
>  #endif
>  
>  #ifdef CONFIG_PCI_MSI
> -	x86_msi.setup_msi_irqs = xen_setup_msi_irqs;
> -	x86_msi.teardown_msi_irq = xen_teardown_msi_irq;
> -	x86_msi.teardown_msi_irqs = xen_teardown_msi_irqs;
> +	xen_msi_chip.setup_irqs = xen_setup_msi_irqs;
> +	xen_msi_chip.teardown_irqs = xen_teardown_msi_irqs;
> +	x86_msi_chip = &xen_msi_chip;
>  	msi_chip.irq_mask = xen_nop_msi_mask;
>  	msi_chip.irq_unmask = xen_nop_msi_mask;

Why have these not been changed to set the x86_msi_chip.mask/unmask
fields instead?

David