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Date:      Thu, 16 May 2019 14:33:32 +0000 (UTC)
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r347698 - head/sys/amd64/amd64
Message-ID:  <201905161433.x4GEXW1i008565@repo.freebsd.org>

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Author: kib
Date: Thu May 16 14:33:32 2019
New Revision: 347698
URL: https://svnweb.freebsd.org/changeset/base/347698

Log:
  amd64 pmap: sysctl vm.pmap.pcid_save_cnt should be read-only.
  
  Sponsored by:	The FreeBSD Foundation
  MFC after:	1 week

Modified:
  head/sys/amd64/amd64/pmap.c

Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c	Thu May 16 14:29:09 2019	(r347697)
+++ head/sys/amd64/amd64/pmap.c	Thu May 16 14:33:32 2019	(r347698)
@@ -466,7 +466,7 @@ pmap_pcid_save_cnt_proc(SYSCTL_HANDLER_ARGS)
 	}
 	return (sysctl_handle_64(oidp, &res, 0, req));
 }
-SYSCTL_PROC(_vm_pmap, OID_AUTO, pcid_save_cnt, CTLTYPE_U64 | CTLFLAG_RW |
+SYSCTL_PROC(_vm_pmap, OID_AUTO, pcid_save_cnt, CTLTYPE_U64 | CTLFLAG_RD |
     CTLFLAG_MPSAFE, NULL, 0, pmap_pcid_save_cnt_proc, "QU",
     "Count of saved TLB context on switch");
 



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