summaryrefslogtreecommitdiff
path: root/sys/arch/i386
diff options
context:
space:
mode:
authorMark Kettenis <kettenis@cvs.openbsd.org>2010-04-08 19:28:32 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2010-04-08 19:28:32 +0000
commit828acf020e500a9a723288e018702a650519d564 (patch)
tree007188b7dff526565705b3ad7d95bfdd223fd846 /sys/arch/i386
parentedc3da320cf80afeebc79e92926e15312db50609 (diff)
Since we only start doing tlb shootdowns after setting the CPUF_RUNNING flag,
flush the TLB immediately after doing so, to make sure there are no stale TLB entries. Suggested by art@ ok art@, oga@, deraadt@, weingart@
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/i386/cpu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/arch/i386/i386/cpu.c b/sys/arch/i386/i386/cpu.c
index 36b1f217f6d..81b191a72b7 100644
--- a/sys/arch/i386/i386/cpu.c
+++ b/sys/arch/i386/i386/cpu.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cpu.c,v 1.36 2010/04/01 19:48:50 kettenis Exp $ */
+/* $OpenBSD: cpu.c,v 1.37 2010/04/08 19:28:31 kettenis Exp $ */
/* $NetBSD: cpu.c,v 1.1.2.7 2000/06/26 02:04:05 sommerfeld Exp $ */
/*-
@@ -322,6 +322,8 @@ cpu_init(struct cpu_info *ci)
lcr4(rcr4() | CR4_PGE); /* enable global TLB caching */
ci->ci_flags |= CPUF_RUNNING;
+ tlbflush();
+
/*
* If we have FXSAVE/FXRESTOR, use them.
*/