From 094a32626f904f92beda174154daca3fe4455890 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Wed, 28 Sep 2016 08:12:27 +0200
Subject: [PATCH] Revert "drivers/tty: Explicitly pass current to show_stack"
This reverts commit 9f12cea96f47f98d612a0a0b84f950a0163731bf.
Mark writes:
Unfortunately, this patch will result in erroneous stack traces
on some architectures. Sorry about this; I should have verified
this more thoroughly before sending the series out.
Please drop the patch at your earliest convenience.
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/tty/sysrq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 5b1e0edacb84d..52bbd27e93ae7 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -224,7 +224,7 @@ static void showacpu(void *dummy)
spin_lock_irqsave(&show_lock, flags);
pr_info("CPU%d:\n", smp_processor_id());
- show_stack(current, NULL);
+ show_stack(NULL, NULL);
spin_unlock_irqrestore(&show_lock, flags);
}
--
2.30.2