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Re: [Xen-devel] [PATCH 2/3] x86/xen: Revert "PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()"

On 27/10/14 02:44, Yijing Wang wrote:
> Commit 0e4ccb1505a9 ("PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()")
> introduced two __weak arch functions arch_msix_mask_irq() and
> arch_msi_mask_irq() to work around a bug when running xen in x86.
> These two functions made msi code more complex. We have introduced
> a global flag to ignore MSI mask to fix the issue in previous patch,
> so we can revert the commit safely. This patch is also preparation
> to use MSI chip framework instead of weak arch MSI functions in all
> platforms. Because s390 MSI also use default_msi_mask_irq() functions
> introduced by commit 0e4ccb1505a9. We keep default_msi_mask_irq()
> and default_msix_mask_irq() temporarily. They will be removed in later
> patch.

Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>


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