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ixgbevf: Add lock around mailbox ops to prevent simultaneous access

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This change adds a spinlock around the mailbox accesses to prevent
simultaneous access to the mailboxes.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
2012-05-11 08:33:06 +00:00
committed by Jeff Kirsher
parent 9297127b9c
commit 1c55ed768b
2 changed files with 41 additions and 2 deletions
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drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
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@@ -249,6 +249,8 @@ struct ixgbevf_adapter {
bool link_up;
struct work_struct watchdog_task;
spinlock_t mbx_lock;
};
enum ixbgevf_state_t {