CVS commit: src/sys/arch/powerpc

[Matt Thomas]

Module Name:    src
Committed By:   matt
Date:           Sun Jan 23 17:36:10 UTC 2011

Modified Files:
        src/sys/arch/powerpc/oea: altivec.c
        src/sys/arch/powerpc/powerpc: fpu.c

Log Message:
Clear ownership bit after saving contents to PCB.


To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/powerpc/oea/altivec.c
cvs rdiff -u -r1.26 -r1.27 src/sys/arch/powerpc/powerpc/fpu.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/powerpc/oea/altivec.c
diff -u src/sys/arch/powerpc/oea/altivec.c:1.19 src/sys/arch/powerpc/oea/altivec.c:1.20
--- src/sys/arch/powerpc/oea/altivec.c:1.19	Tue Jan 18 02:25:42 2011
+++ src/sys/arch/powerpc/oea/altivec.c	Sun Jan 23 17:36:09 2011
@@ -1,4 +1,4 @@
-/*	$NetBSD: altivec.c,v 1.19 2011/01/18 02:25:42 matt Exp $	*/
+/*	$NetBSD: altivec.c,v 1.20 2011/01/23 17:36:09 matt Exp $	*/
 
 /*
  * Copyright (C) 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: altivec.c,v 1.19 2011/01/18 02:25:42 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: altivec.c,v 1.20 2011/01/23 17:36:09 matt Exp $");
 
 #include "opt_multiprocessor.h"
 
@@ -140,12 +140,16 @@
 		__asm volatile ("dssall; sync");
 
 		/*
+		 * Disclaim ownership.
+		 */
+		l->l_md.md_flags &= ~MDLWP_OWNVEC;
+
+		/*
 		 * Give up the VEC unit if are releasing it too.
 		 */
 		if (op == VEC_SAVE_AND_RELEASE)
 			ci->ci_veclwp = ci->ci_data.cpu_idlelwp;
 	}
-	l->l_md.md_flags &= ~MDLWP_OWNVEC;
 
 	/*
 	 * Restore MSR (turn off AltiVec)

Index: src/sys/arch/powerpc/powerpc/fpu.c
diff -u src/sys/arch/powerpc/powerpc/fpu.c:1.26 src/sys/arch/powerpc/powerpc/fpu.c:1.27
--- src/sys/arch/powerpc/powerpc/fpu.c:1.26	Tue Jan 18 02:25:43 2011
+++ src/sys/arch/powerpc/powerpc/fpu.c	Sun Jan 23 17:36:09 2011
@@ -1,4 +1,4 @@
-/*	$NetBSD: fpu.c,v 1.26 2011/01/18 02:25:43 matt Exp $	*/
+/*	$NetBSD: fpu.c,v 1.27 2011/01/23 17:36:09 matt Exp $	*/
 
 /*
  * Copyright (C) 1996 Wolfgang Solfrank.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.26 2011/01/18 02:25:43 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fpu.c,v 1.27 2011/01/23 17:36:09 matt Exp $");
 
 #include "opt_multiprocessor.h"
 
@@ -107,7 +107,10 @@
 
 		fpu_unload_to_fpreg(&pcb->pcb_fpu);
 
-		__asm volatile ("sync");
+		/*
+		 * Disclaim ownership.
+		 */
+		l->l_md.md_flags &= ~MDLWP_OWNFPU;
 
 		if (op == FPU_SAVE_AND_RELEASE)
 			ci->ci_fpulwp = ci->ci_data.cpu_idlelwp;