svn commit: r324301 - head/sys/amd64/amd64

Konstantin Belousov kib at FreeBSD.org
Thu Oct 5 11:34:52 UTC 2017


Author: kib
Date: Thu Oct  5 11:34:51 2017
New Revision: 324301
URL: https://svnweb.freebsd.org/changeset/base/324301

Log:
  Update comment to note that we skip LDT reload for kthreads as well.
  
  Noted by:	bde
  Sponsored by:	The FreeBSD Foundation
  MFC after:	3 days

Modified:
  head/sys/amd64/amd64/cpu_switch.S

Modified: head/sys/amd64/amd64/cpu_switch.S
==============================================================================
--- head/sys/amd64/amd64/cpu_switch.S	Thu Oct  5 11:01:19 2017	(r324300)
+++ head/sys/amd64/amd64/cpu_switch.S	Thu Oct  5 11:34:51 2017	(r324301)
@@ -172,7 +172,7 @@ sw1:
 	 * to load up the rest of the next context.
 	 */
 
-	/* Skip loading user fsbase/gsbase for kthreads */
+	/* Skip loading LDT and user fsbase/gsbase for kthreads */
 	testl	$TDP_KTHREAD,TD_PFLAGS(%r12)
 	jnz	do_kthread
 


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