diff options
| author |   guenther <guenther@openbsd.org> | 2015-02-27 18:59:43 +0000 |
|---|---|---|
| committer | guenther <guenther@openbsd.org> | 2015-02-27 18:59:43 +0000 |
| commit | 8367b41908755bd835fc3e1773ea6681b4c71f4e (patch) | |
| tree | dc01764bcefe7d4de39106586940b9d54df4d578 | |
| parent | Fix URL-encoding of characters with the high order bit set. (diff) | |
| download | wireguard-openbsd-8367b41908755bd835fc3e1773ea6681b4c71f4e.tar.xz wireguard-openbsd-8367b41908755bd835fc3e1773ea6681b4c71f4e.zip | |
Fix uvm_fault() seen with bwi (and some other devices?) on older non-apic i386
reported by Michael (lesniewskister (at) gmail.com)
ok miod@ (who did all the hard work)
| -rw-r--r-- | sys/arch/i386/include/bus.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/arch/i386/include/bus.h b/sys/arch/i386/include/bus.h index eaf54e03a79..2e25b765ea7 100644 --- a/sys/arch/i386/include/bus.h +++ b/sys/arch/i386/include/bus.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bus.h,v 1.65 2015/01/24 15:13:55 kettenis Exp $ */ +/* $OpenBSD: bus.h,v 1.66 2015/02/27 18:59:43 guenther Exp $ */ /* $NetBSD: bus.h,v 1.6 1996/11/10 03:19:25 thorpej Exp $ */ /*- @@ -458,6 +458,7 @@ struct i386_bus_space_ops { case 2: i386_space_copy1(a1,a2,cnt,"movsw","std");break;\ case 4: i386_space_copy1(a1,a2,cnt,"movsl","std");break;\ } \ + __asm volatile("cld"); /* must restore before func ret */ \ } else \ switch (sz) { \ case 1: i386_space_copy1(a1,a2,cnt,"movsb","cld");break;\ |