Author: sbruno
Date: Fri Jul 21 17:42:54 2017
New Revision: 321336
URL: https://svnweb.freebsd.org/changeset/base/321336
Log:
Do not update stats counter in SWI context. Defer to the already existing
admin thread.
Submitted by: Matt Macy <mm...@mattmacy.io>
Sponsored by: Limelight Networks
Modified:
head/sys/dev/e1000/if_em.c
Modified: head/sys/dev/e1000/if_em.c
==============================================================================
--- head/sys/dev/e1000/if_em.c Fri Jul 21 17:11:36 2017 (r321335)
+++ head/sys/dev/e1000/if_em.c Fri Jul 21 17:42:54 2017 (r321336)
@@ -1663,9 +1663,7 @@ em_if_timer(if_ctx_t ctx, uint16_t qid)
if (qid != 0)
return;
- em_if_update_admin_status(ctx);
- em_update_stats_counters(adapter);
-
+ iflib_admin_intr_deferred(ctx);
/* Reset LAA into RAR[0] on 82571 */
if ((adapter->hw.mac.type == e1000_82571) &&
e1000_get_laa_state_82571(&adapter->hw))
@@ -1781,6 +1779,7 @@ em_if_update_admin_status(if_ctx_t ctx)
iflib_link_state_change(ctx, LINK_STATE_DOWN, ifp->if_baudrate);
printf("link state changed to down\n");
}
+ em_update_stats_counters(adapter);
E1000_WRITE_REG(&adapter->hw, E1000_IMS, EM_MSIX_LINK | E1000_IMS_LSC);
}
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