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vxge: serialize access to steering control register 

It is possible for multiple callers to access the firmware interface for
the same vpath simultaneously, resulting in uncertain output.  Add locks
to serialize access.  Also, make functions only accessed locally static,
thus requiring some movement of code blocks.

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jon Mason 2010-11-11 04:25:56 +00:00 committed by David S. Miller
parent ddd62726e0
commit 8424e00dfd
2 changed files with 325 additions and 483 deletions
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807
drivers/net/vxge/vxge-config.c
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File diff suppressed because it is too large Load Diff

1
drivers/net/vxge/vxge-config.h
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@ -641,6 +641,7 @@ struct __vxge_hw_virtualpath {
struct vxge_hw_vpath_stats_hw_info *hw_stats;
struct vxge_hw_vpath_stats_hw_info *hw_stats_sav;
struct vxge_hw_vpath_stats_sw_info *sw_stats;
spinlock_t lock;
};
/*