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PCI: Remove unused SR-IOV VF Migration support

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This reverts commit 74bb1bcc7d ("PCI: handle SR-IOV Virtual Function
Migration"), removing this exported interface:

  pci_sriov_migration()

Since pci_sriov_migration() is unused, it is impossible to schedule
sriov_migration_task() or use any of the other migration infrastructure.

This is based on Stephen Hemminger's patch (see link below), but goes a bit
further.

Link: http://lkml.kernel.org/r/20131227132710.7190647c@nehalam.linuxnetplumber.net
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Bjorn Helgaas
2014-01-30 11:28:15 -07:00
parent 4b180d97b1
commit 46cb7b1bd8
4 changed files with 0 additions and 131 deletions
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4
drivers/pci/pci.h
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@@ -1,8 +1,6 @@
#ifndef DRIVERS_PCI_H
#define DRIVERS_PCI_H
#include <linux/workqueue.h>
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
@@ -240,8 +238,6 @@ struct pci_sriov {
struct pci_dev *dev; /* lowest numbered PF */
struct pci_dev *self; /* this PF */
struct mutex lock; /* lock for VF bus */
struct work_struct mtask; /* VF Migration task */
u8 __iomem *mstate; /* VF Migration State Array */
};
#ifdef CONFIG_PCI_ATS