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devlink: add hardware errors tracing facility

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Define a tracepoint and allow user to trace messages in case of an hardware
error code for hardware associated with devlink instance.

Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nir Dotan
2019-02-04 18:47:45 +00:00
committed by David S. Miller
parent 8ce5cd5ed4
commit 57186a5f43
2 changed files with 34 additions and 0 deletions
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net/core/devlink.c
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@@ -81,6 +81,7 @@ struct devlink_dpipe_header devlink_dpipe_header_ipv6 = {
EXPORT_SYMBOL(devlink_dpipe_header_ipv6);
EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwmsg);
EXPORT_TRACEPOINT_SYMBOL_GPL(devlink_hwerr);
static LIST_HEAD(devlink_list);