diff options
Diffstat (limited to 'sys/arch/sparc64')
| -rw-r--r-- | sys/arch/sparc64/sparc64/trap.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/arch/sparc64/sparc64/trap.c b/sys/arch/sparc64/sparc64/trap.c index 0a3af9cacea..186224e40cc 100644 --- a/sys/arch/sparc64/sparc64/trap.c +++ b/sys/arch/sparc64/sparc64/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.63 2008/07/12 08:08:54 kettenis Exp $ */ +/* $OpenBSD: trap.c,v 1.64 2009/01/20 21:22:31 kettenis Exp $ */ /* $NetBSD: trap.c,v 1.73 2001/08/09 01:03:01 eeh Exp $ */ /* @@ -511,6 +511,15 @@ badtrap: break; case T_RWRET: + /* + * XXX Flushing the user windows here should not be + * necessary, but not doing so here causes corruption + * of user windows on sun4v. Flushing them shouldn't + * be much of a prefermance penalty since we're + * probably going to spill any remaining user windows + * anyhow. + */ + write_user_windows(); if (rwindow_save(p) == -1) { KERNEL_PROC_LOCK(p); trapsignal(p, SIGILL, 0, ILL_BADSTK, sv); |