Messages in this thread | | | Date | Fri, 4 Oct 2013 11:21:09 +0200 | From | Alexander Gordeev <> | Subject | Re: [PATCH RFC 00/77] Re-design MSI/MSI-X interrupts enablement pattern |
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On Fri, Oct 04, 2013 at 09:31:49AM +0100, David Laight wrote: > > Mmmm.. I am not sure I am getting it. Could you please rephrase? > > One possibility is for drivers than can use a lot of interrupts to > request a minimum number initially and then request the additional > ones much later on. > That would make it less likely that none will be available for > devices/drivers that need them but are initialised later.
It sounds as a whole new topic for me. Isn't it?
Anyway, what prevents the above from being done with pci_enable_msix(nvec1) - pci_disable_msix() - pci_enable_msix(nvec2) where nvec1 < nvec2?
> David
-- Regards, Alexander Gordeev agordeev@redhat.com
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