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Date:	Fri, 20 Sep 2013 10:24:59 +0200
From:	Alexander Gordeev <>
To:	Michael Ellerman <>
Cc:	Benjamin Herrenschmidt <>,
	"" <>,
	"" <>,
	"" <>,
	"" <>,
	Ingo Molnar <>, Joerg Roedel <>,
	Jan Beulich <>,
	Bjorn Helgaas <>,, Tejun Heo <>
Subject: Re: [PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface

Michael et al.

The identifiable options sounded so far were:

* Do not change anything

* Make pci_enable_msix() return 0/-errno

* Make pci_enable_msix() return 0/-errno and introduce arch_get_msix_limit()/

* Make pci_enable_msix() return 0/-errno and introduce pci_get_msix_limit()/
  pci_get_msi_limit() and arch_get_msix_limit()/arch_get_msi_limit() so that:
	pci_get_msix_limit() = min(arch_get_msix_limit(), pci_msix_table_size())
	pci_get_msi_limit()  = min(arch_get_msi_limit(),  pci_get_msi_cap())

Can we have a conclusion here?


Alexander Gordeev
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