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[PATCH 04/22] openrisc: head: use THREAD_SIZE instead of magic constant

Started byStafford Horne <shorne@gmail.com>
First post2017-01-15 00:10 +0100
Last post2017-01-15 00:10 +0100
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  [PATCH 04/22] openrisc: head: use THREAD_SIZE instead of magic constant Stafford Horne <shorne@gmail.com> - 2017-01-15 00:10 +0100

#1559094 — [PATCH 04/22] openrisc: head: use THREAD_SIZE instead of magic constant

FromStafford Horne <shorne@gmail.com>
Date2017-01-15 00:10 +0100
Subject[PATCH 04/22] openrisc: head: use THREAD_SIZE instead of magic constant
Message-ID<sZFCq-3xP-23@gated-at.bofh.it>
From: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>

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>
---
 arch/openrisc/kernel/head.S | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/openrisc/kernel/head.S b/arch/openrisc/kernel/head.S
index 2346c5b..63ba2d9 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
-- 
2.9.3

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