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| author |   Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-01-09 09:10:53 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-01-15 13:33:44 -0800 |
| commit | 5642e27bf6a935c1d0d9149e83d625dfba286463 (patch) | |
| tree | dc886cb1ad3e1b4d2af97492133ede72c456526b /drivers/net/ethernet/intel/igb/igb.h | |
| parent | selftests/txtimestamp: Fix an equals vs assign bug (diff) | |
| download | linux-dev-5642e27bf6a935c1d0d9149e83d625dfba286463.tar.xz linux-dev-5642e27bf6a935c1d0d9149e83d625dfba286463.zip | |
Revert "igb: reduce CPU0 latency when updating statistics"
This reverts commit 59361316afcb08569af21e1af83e89c7051c055a.
Due to problems found in additional testing, this causes an illegal
context switch in the RCU read-side critical section.
CC: Dave Jones <davej@codemonkey.org.uk>
CC: Cong Wang <xiyou.wangcong@gmail.com>
CC: Jan Jablonsky <jan.jablonsky@thalesgroup.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/igb/igb.h')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index fe1592ae8769..ca54e268d157 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -515,7 +515,7 @@ struct igb_adapter { /* OS defined structs */ struct pci_dev *pdev; - struct mutex stats64_lock; + spinlock_t stats64_lock; struct rtnl_link_stats64 stats64; /* structs defined in e1000_hw.h */ |