linux-kernel - [PATCH 1/2] stacktrace: Move struct stacktrace

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Message-ID: <20210317142050.57712-2-chenjun102@huawei.com>
Date:   Wed, 17 Mar 2021 14:20:49 +0000
From:   Chen Jun <chenjun102@...wei.com>
To:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <akpm@...ux-foundation.org>, <catalin.marinas@....com>,
        <will@...nel.org>, <rui.xiang@...wei.com>
Subject: [PATCH 1/2] stacktrace: Move struct stacktrace_cookie to stacktrace.h

ARM64 need to modify the stacktrace_cookie->skip.

Signed-off-by: Chen Jun <chenjun102@...wei.com>
---
 include/linux/stacktrace.h | 7 +++++++
 kernel/stacktrace.c        | 7 -------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/stacktrace.h b/include/linux/stacktrace.h
index 50e2df3..238b276 100644
--- a/include/linux/stacktrace.h
+++ b/include/linux/stacktrace.h
@@ -25,6 +25,13 @@ unsigned int stack_trace_save_user(unsigned long *store, unsigned int size);
 /* Internal interfaces. Do not use in generic code */
 #ifdef CONFIG_ARCH_STACKWALK
 
+struct stacktrace_cookie {
+	unsigned long	*store;
+	unsigned int	size;
+	unsigned int	skip;
+	unsigned int	len;
+};
+
 /**
  * stack_trace_consume_fn - Callback for arch_stack_walk()
  * @cookie:	Caller supplied pointer handed back by arch_stack_walk()
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index 9f8117c..b072e8f 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -71,13 +71,6 @@ EXPORT_SYMBOL_GPL(stack_trace_snprint);
 
 #ifdef CONFIG_ARCH_STACKWALK
 
-struct stacktrace_cookie {
-	unsigned long	*store;
-	unsigned int	size;
-	unsigned int	skip;
-	unsigned int	len;
-};
-
 static bool stack_trace_consume_entry(void *cookie, unsigned long addr)
 {
 	struct stacktrace_cookie *c = cookie;
-- 
2.9.4