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Index: sys/amd64/amd64/pmap.c
===================================================================
--- sys/amd64/amd64/pmap.c (revision 267572)
+++ sys/amd64/amd64/pmap.c (working copy)
@@ -367,7 +367,7 @@ static int pmap_flags = PMAP_PDE_SUPERPAGE; /* fla
static struct unrhdr pcid_unr;
static struct mtx pcid_mtx;
-int pmap_pcid_enabled = 1;
+int pmap_pcid_enabled = 0;
SYSCTL_INT(_vm_pmap, OID_AUTO, pcid_enabled, CTLFLAG_RDTUN, &pmap_pcid_enabled,
0, "Is TLB Context ID enabled ?");
int invpcid_works = 0;
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