Messages in this thread | | | Date | Thu, 26 Sep 2013 08:32:53 -0400 | From | Mark Lord <> | Subject | Re: [PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface |
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On 13-09-18 05:48 AM, Alexander Gordeev wrote: > > The last pattern makes most of sense to me and could be updated with a more > clear sequence - a call to (bit modified) pci_msix_table_size() followed > by a call to pci_enable_msix(). I think this pattern can effectively > supersede the currently recommended "loop" practice.
The loop is still necessary, because there's a race between those two calls, so that pci_enable_msix() can still fail due to lack of MSIX slots.
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