Messages in this thread | | | Date | Thu, 7 May 2009 12:31:37 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH] msi-x: let drivers retry when not enough vectors |
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On Thu, May 07, 2009 at 05:10:46PM +0800, Sheng Yang wrote: > > > I think driver should read from capability list to know how many vector > > > supported by this device before enable MSI-X for device, as > > > pci_msix_table_size() did... > > > > Drivers can do this, but it's more code. Since pci_enable_msix > > calls pci_msix_table_size already, let it do the work. Right? > > If you don't know the vectors number before you enable MSI-X, how can you > setup vectors?
I don't know how many irqs I will be able to get anyway. vectors that can't be assigned are useless ...
-- MST
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