From: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Date: Wed, 8 Jan 2014 11:15:05 +0000 (+0200)
Subject: openrisc: head: use THREAD_SIZE instead of magic constant
X-Git-Tag: v4.11-rc1~78^2~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2dc72437a5504bf8f4343ed83ae745afa388522;p=thirdparty%2Fkernel%2Flinux.git

openrisc: head: use THREAD_SIZE instead of magic constant

The stack size was hard coded to 0x2000, use the standard THREAD_SIZE
definition loaded from thread_info.h.

Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
[shorne@gmail.com: Added body to the commit message]
Signed-off-by: Stafford Horne <shorne@gmail.com>
---

diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index 2346c5b390957..63ba2d96a860a 100644
--- a/arch/openrisc/kernel/head.S
+++ b/arch/openrisc/kernel/head.S
@@ -24,6 +24,7 @@
 #include <asm/page.h>
 #include <asm/mmu.h>
 #include <asm/pgtable.h>
+#include <asm/thread_info.h>
 #include <asm/cache.h>
 #include <asm/spr_defs.h>
 #include <asm/asm-offsets.h>
@@ -486,7 +487,8 @@ _start:
 	/*
 	 * set up initial ksp and current
 	 */
-	LOAD_SYMBOL_2_GPR(r1,init_thread_union+0x2000)	// setup kernel stack
+	/* setup kernel stack */
+	LOAD_SYMBOL_2_GPR(r1,init_thread_union + THREAD_SIZE)
 	LOAD_SYMBOL_2_GPR(r10,init_thread_union)	// setup current
 	tophys	(r31,r10)
 	l.sw	TI_KSP(r31), r1