Module Name: src
Committed By: martin
Date: Sun May 18 10:43:54 UTC 2014
Modified Files:
src/sys/arch/alpha/alpha: fp_complete.c
Log Message:
Properly handle PCU_REENABLE in fpu_state_load. Hint from Nick Hudson.
This seems to help PR port-alpha/48782 a lot.
To generate a diff of this commit:
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/alpha/alpha/fp_complete.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/alpha/alpha/fp_complete.c
diff -u src/sys/arch/alpha/alpha/fp_complete.c:1.17 src/sys/arch/alpha/alpha/fp_complete.c:1.18
--- src/sys/arch/alpha/alpha/fp_complete.c:1.17 Fri May 16 19:18:21 2014
+++ src/sys/arch/alpha/alpha/fp_complete.c Sun May 18 10:43:54 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: fp_complete.c,v 1.17 2014/05/16 19:18:21 matt Exp $ */
+/* $NetBSD: fp_complete.c,v 1.18 2014/05/18 10:43:54 martin Exp $ */
/*-
* Copyright (c) 2001 Ross Harvey
@@ -35,7 +35,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
-__KERNEL_RCSID(0, "$NetBSD: fp_complete.c,v 1.17 2014/05/16 19:18:21 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fp_complete.c,v 1.18 2014/05/18 10:43:54 martin Exp $");
#include "opt_compat_osf1.h"
@@ -723,6 +723,12 @@ void
fpu_state_load(struct lwp *l, u_int flags)
{
struct pcb * const pcb = lwp_getpcb(l);
+ KASSERT(l == curlwp);
+
+ if (flags & PCU_REENABLE) {
+ l->l_md.md_flags |= MDLWP_FPACTIVE;
+ return;
+ }
/*
* Instrument FP usage -- if a process had not previously
