linux-kernel - [PATCH 09/11] microblaze: Move start

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Date:	Thu, 16 Apr 2009 11:56:36 +0200
From:	monstr@...str.eu
To:	linux-kernel@...r.kernel.org
Cc:	microblaze-uclinux@...e.uq.edu.au, Michal Simek <monstr@...str.eu>
Subject: [PATCH 09/11] microblaze: Move start_thread to process.c

From: Michal Simek <monstr@...str.eu>

This change is due to upcomming MMU merge

Signed-off-by: Michal Simek <monstr@...str.eu>
---
 arch/microblaze/include/asm/processor.h |   13 +++----------
 arch/microblaze/kernel/process.c        |    9 +++++++++
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index cea42a3..89aa395 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -29,6 +29,9 @@ extern const struct seq_operations cpuinfo_op;
 #define task_pt_regs(tsk) \
 		(((struct pt_regs *)(THREAD_SIZE + task_stack_page(tsk))) - 1)
 
+/* Do necessary setup to start up a newly executed thread. */
+void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp);
+
 /*
  * User space process size: memory size
  *
@@ -58,16 +61,6 @@ struct task_struct;
 struct thread_struct { };
 # define INIT_THREAD	{ }
 
-/* Do necessary setup to start up a newly executed thread. */
-static inline void start_thread(struct pt_regs *regs,
-				unsigned long pc,
-				unsigned long usp)
-{
-	regs->pc = pc;
-	regs->r1 = usp;
-	regs->pt_mode = 0;
-}
-
 /* Free all resources held by a thread. */
 static inline void release_thread(struct task_struct *dead_task)
 {
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 40cc148..dd15de9 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -182,3 +182,12 @@ unsigned long get_wchan(struct task_struct *p)
 /* TBD (used by procfs) */
 	return 0;
 }
+
+/* Set up a thread for executing a new program */
+void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp)
+{
+	set_fs(USER_DS);
+	regs->pc = pc;
+	regs->r1 = usp;
+	regs->pt_mode = 0;
+}
-- 
1.5.5.1

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