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[src/trunk]: src/sys/arch/arm/arm32 There is no need to save/restore l_privat...
details: https://anonhg.NetBSD.org/src/rev/20e25c54385a
branches: trunk
changeset: 807013:20e25c54385a
user: skrll <skrll%NetBSD.org@localhost>
date: Tue Mar 24 21:09:11 2015 +0000
description:
There is no need to save/restore l_private in softint_switch now that
cpu_switchto is fixed
diffstat:
sys/arch/arm/arm32/cpuswitch.S | 13 ++-----------
1 files changed, 2 insertions(+), 11 deletions(-)
diffs (41 lines):
diff -r 3fdef8a57b0e -r 20e25c54385a sys/arch/arm/arm32/cpuswitch.S
--- a/sys/arch/arm/arm32/cpuswitch.S Tue Mar 24 20:24:17 2015 +0000
+++ b/sys/arch/arm/arm32/cpuswitch.S Tue Mar 24 21:09:11 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cpuswitch.S,v 1.88 2015/03/24 07:16:16 matt Exp $ */
+/* $NetBSD: cpuswitch.S,v 1.89 2015/03/24 21:09:11 skrll Exp $ */
/*
* Copyright 2003 Wasabi Systems, Inc.
@@ -87,7 +87,7 @@
#include <arm/asm.h>
#include <arm/locore.h>
- RCSID("$NetBSD: cpuswitch.S,v 1.88 2015/03/24 07:16:16 matt Exp $")
+ RCSID("$NetBSD: cpuswitch.S,v 1.89 2015/03/24 21:09:11 skrll Exp $")
/* LINTSTUB: include <sys/param.h> */
@@ -405,11 +405,6 @@
*/
mrc p15, 0, r0, c13, c0, 2
str r0, [r2, #(PCB_USER_PID_RW)]
- /*
- * Now restore l_private for the softint thread.
- */
- ldr r0, [r5, #(L_PRIVATE)]
- mcr p15, 0, r0, c13, c0, 3
#endif
/* this is an invariant so load before disabling intrs */
@@ -444,10 +439,6 @@
/*
* If we've returned, we need to change everything back and return.
*/
-#ifdef _ARM_ARCH_6
- ldr r0, [r4, #(L_PRIVATE)] /* get pinned lwp's l_private */
- mcr p15, 0, r0, c13, c0, 3 /* and restore it */
-#endif
ldr r2, [r4, #(L_PCB)] /* get pinned lwp's pcb */
#ifndef __HAVE_UNNESTED_INTRS
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