linux-kernel - [PATCH 1/7] um: Remove dead code from stacktrace

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Date:	Thu, 26 Mar 2015 13:27:12 +0100
From:	Richard Weinberger <richard@....at>
To:	user-mode-linux-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Richard Weinberger <richard@....at>
Subject: [PATCH 1/7] um: Remove dead code from stacktrace

Remove left over code from commit 970e51feaddb
(um: Add support for CONFIG_STACKTRACE)

Signed-off-by: Richard Weinberger <richard@....at>
---
 arch/um/kernel/sysrq.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index 894c8d3..aa1b56f 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -29,7 +29,7 @@ static const struct stacktrace_ops stackops = {
 
 void show_stack(struct task_struct *task, unsigned long *stack)
 {
-	unsigned long *sp = stack, bp = 0;
+	unsigned long *sp = stack;
 	struct pt_regs *segv_regs = current->thread.segv_regs;
 	int i;
 
@@ -39,10 +39,6 @@ void show_stack(struct task_struct *task, unsigned long *stack)
 		return;
 	}
 
-#ifdef CONFIG_FRAME_POINTER
-	bp = get_frame_pointer(task, segv_regs);
-#endif
-
 	if (!stack)
 		sp = get_stack_pointer(task, segv_regs);
 
-- 
1.8.4.5

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