linux-kernel - [PATCH] kernel/backtracetest: use new API for backtrace tasklet

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Date:   Sat, 23 Jan 2021 20:01:15 +0100
From:   Emil Renner Berthing <kernel@...il.dk>
To:     linux-kernel@...r.kernel.org
Cc:     Emil Renner Berthing <kernel@...il.dk>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] kernel/backtracetest: use new API for backtrace tasklet

This converts the backtrace_tasklet to use the new API in
commit 12cc923f1ccc ("tasklet: Introduce new initialization API")

The new API changes the argument passed to the callback function, but
fortunately the argument isn't used so it is straight forward to use
DECLARE_TASKLET() rather than DECLARE_TASKLET_OLD().

Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
---
 kernel/backtracetest.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/backtracetest.c b/kernel/backtracetest.c
index 370217dd7e39..70a3da716f01 100644
--- a/kernel/backtracetest.c
+++ b/kernel/backtracetest.c
@@ -23,13 +23,13 @@ static void backtrace_test_normal(void)
 
 static DECLARE_COMPLETION(backtrace_work);
 
-static void backtrace_test_irq_callback(unsigned long data)
+static void backtrace_test_irq_callback(struct tasklet_struct *unused)
 {
 	dump_stack();
 	complete(&backtrace_work);
 }
 
-static DECLARE_TASKLET_OLD(backtrace_tasklet, &backtrace_test_irq_callback);
+static DECLARE_TASKLET(backtrace_tasklet, backtrace_test_irq_callback);
 
 static void backtrace_test_irq(void)
 {
-- 
2.30.0