Author: kib
Date: Thu May 23 13:05:47 2019
New Revision: 348163
URL: https://svnweb.freebsd.org/changeset/base/348163
Log:
MFC r347698:
amd64 pmap: sysctl vm.pmap.pcid_save_cnt should be read-only.
Modified:
stable/12/sys/amd64/amd64/pmap.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/amd64/amd64/pmap.c
==============================================================================
--- stable/12/sys/amd64/amd64/pmap.c Thu May 23 13:03:10 2019
(r348162)
+++ stable/12/sys/amd64/amd64/pmap.c Thu May 23 13:05:47 2019
(r348163)
@@ -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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