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amd64 pmap: sysctl vm.pmap.pcid_save_cnt should be read-only.

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Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2019-05-16 14:33:32 +00:00
parent 5b2c83cb59
commit 07d7e24cf7
1 changed files with 1 additions and 1 deletions
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2
sys/amd64/amd64/pmap.c
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@ -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");