Author: markj
Date: Wed Dec 14 19:00:08 2016
New Revision: 310084
URL: https://svnweb.freebsd.org/changeset/base/310084

Log:
  Don't run the MCA record refill task during boot.
  
  The MCA taskqueue is not initialized until some time after CMCIs are
  enabled on the BSP.
  
  Reviewed by:  cem, jhb
  MFC after:    1 week
  Sponsored by: Dell EMC Isilon
  Differential Revision:        https://reviews.freebsd.org/D8783

Modified:
  head/sys/x86/x86/mca.c

Modified: head/sys/x86/x86/mca.c
==============================================================================
--- head/sys/x86/x86/mca.c      Wed Dec 14 17:28:55 2016        (r310083)
+++ head/sys/x86/x86/mca.c      Wed Dec 14 19:00:08 2016        (r310084)
@@ -508,7 +508,7 @@ mca_record_entry(enum scan_mode mode, co
        STAILQ_INSERT_TAIL(&mca_records, rec, link);
        mca_count++;
        mtx_unlock_spin(&mca_lock);
-       if (mode == CMCI)
+       if (mode == CMCI && !cold)
                taskqueue_enqueue(mca_tq, &mca_refill_task);
 }
 
@@ -714,6 +714,9 @@ mca_createtq(void *dummy)
        mca_tq = taskqueue_create_fast("mca", M_WAITOK,
            taskqueue_thread_enqueue, &mca_tq);
        taskqueue_start_threads(&mca_tq, 1, PI_SWI(SWI_TQ), "mca taskq");
+
+       /* CMCIs during boot may have claimed items from the freelist. */
+       mca_fill_freelist();
 }
 SYSINIT(mca_createtq, SI_SUB_CONFIGURE, SI_ORDER_ANY, mca_createtq, NULL);
 
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"

Reply via email to