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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sun, 19 Mar 2017 21:25:27 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r315588 - head/sys/dev/cpuctl
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Author: kib
Date: Sun Mar 19 21:25:27 2017
New Revision: 315588
URL: https://svnweb.freebsd.org/changeset/base/315588

Log:
  Update the list of cpudev ioctls which require write access.
  
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week

Modified:
  head/sys/dev/cpuctl/cpuctl.c

Modified: head/sys/dev/cpuctl/cpuctl.c
==============================================================================
--- head/sys/dev/cpuctl/cpuctl.c	Sun Mar 19 21:25:13 2017	(r315587)
+++ head/sys/dev/cpuctl/cpuctl.c	Sun Mar 19 21:25:27 2017	(r315588)
@@ -156,8 +156,9 @@ cpuctl_ioctl(struct cdev *dev, u_long cm
 		return (ENXIO);
 	}
 	/* Require write flag for "write" requests. */
-	if ((cmd == CPUCTL_WRMSR || cmd == CPUCTL_UPDATE) &&
-	    ((flags & FWRITE) == 0))
+	if ((cmd == CPUCTL_MSRCBIT || cmd == CPUCTL_MSRSBIT ||
+	    cmd == CPUCTL_UPDATE || cmd == CPUCTL_WRMSR) &&
+	    (flags & FWRITE) == 0)
 		return (EPERM);
 	switch (cmd) {
 	case CPUCTL_RDMSR: