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netvsc: uses RCU instead of removal flag

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It is cleaner to use RCU protected pointer (nvdev_ctx->nvdev)
to indicate device is in removed state, rather than having a separate
boolean flag. By using the pointer the context can be checked
by static checkers and dynamic lockdep.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger
2017-03-22 14:51:01 -07:00
committed by David S. Miller
parent 545a8e79bd
commit a0be450e19
3 changed files with 10 additions and 31 deletions
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3
drivers/net/hyperv/hyperv_net.h
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@@ -708,9 +708,6 @@ struct net_device_context {
u32 speed;
struct netvsc_ethtool_stats eth_stats;
/* the device is going away */
bool start_remove;
/* State to manage the associated VF interface. */
struct net_device __rcu *vf_netdev;