onfig of the IOV bus
to protecting the writes to sriov_numvfs in sysfs without maintaining
a "locked" version of pci_iov_add/remove_virtfn().
As suggested by Gavin Shan
CC: Alexander Duyck
Signed-off-by: Emil Tantilov
---
drivers/pci/iov.c |7 ---
This is to allow moving the mutex lock outside of
pci_iov_add/rem_virtfn() for enabling/disabling SRIOV, while
still making it possible to call the _locked version like it is
the case for PPC's eeh_driver.
CC: Alexander Duyck
Signed-off-by: Emil Tantilov
---
arch/powerpc/kernel/eeh_dri
ble_sriov+0x65/0x140
[] ixgbe_disable_sriov+0xc7/0x1d0 [ixgbe]
[] ixgbe_pci_sriov_configure+0x3d/0x170 [ixgbe]
[] sriov_numvfs_store+0xdc/0x130
...
RIP [] pci_iov_release+0x57/0x60
Use the existing mutex lock to protect each enable/disable operation.
CC: Alexander Duyck
Signed-off-by: Emil Tantil
