[tip:x86/asm] x86/dumpstack: Fix show_stack() task pointer regression

[tip-bot for Josh Poimboeuf]

Commit-ID:  71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Gitweb: http://git.kernel.org/tip/71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Author: Josh Poimboeuf 
AuthorDate: Tue, 20 Sep 2016 10:53:40 -0500
Committer:  Ingo Molnar 
CommitDate: Tue, 20 Sep 2016 23:36:37 +0200

x86/dumpstack: Fix show_stack() task pointer regression

With the following commit:

  e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the new 
unwinder")

The task pointer argument to show_stack_log_lvl() in show_stack() was
inadvertently changed to 'current'.

Signed-off-by: Josh Poimboeuf 
Cc: Andy Lutomirski 
Cc: Borislav Petkov 
Cc: Brian Gerst 
Cc: Denys Vlasenko 
Cc: H. Peter Anvin 
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: byungchul.p...@lge.com
Cc: fweis...@gmail.com
Cc: keesc...@chromium.org
Cc: linux-tip-comm...@vger.kernel.org
Cc: l...@amacapital.net
Cc: nilayva...@gmail.com
Cc: rost...@goodmis.org
Cc: tip-bot for Josh Poimboeuf 
Fixes: e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the 
new unwinder")
Link: http://lkml.kernel.org/r/20160920155340.yhewlx7vmgmov5fb@treble
Signed-off-by: Ingo Molnar 
---
 arch/x86/kernel/dumpstack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 999de3b..9b7cf5c 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -164,7 +164,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
if (!sp && task == current)
sp = get_stack_pointer(current, NULL);
 
-   show_stack_log_lvl(current, NULL, sp, "");
+   show_stack_log_lvl(task, NULL, sp, "");
 }
 
 void show_stack_regs(struct pt_regs *regs)

[tip:x86/asm] x86/dumpstack: Fix show_stack() task pointer regression

[tip-bot for Josh Poimboeuf]

Commit-ID:  71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Gitweb: http://git.kernel.org/tip/71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Author: Josh Poimboeuf 
AuthorDate: Tue, 20 Sep 2016 10:53:40 -0500
Committer:  Ingo Molnar 
CommitDate: Tue, 20 Sep 2016 23:36:37 +0200

x86/dumpstack: Fix show_stack() task pointer regression

With the following commit:

  e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the new 
unwinder")

The task pointer argument to show_stack_log_lvl() in show_stack() was
inadvertently changed to 'current'.

Signed-off-by: Josh Poimboeuf 
Cc: Andy Lutomirski 
Cc: Borislav Petkov 
Cc: Brian Gerst 
Cc: Denys Vlasenko 
Cc: H. Peter Anvin 
Cc: Linus Torvalds 
Cc: Peter Zijlstra 
Cc: Thomas Gleixner 
Cc: byungchul.p...@lge.com
Cc: fweis...@gmail.com
Cc: keesc...@chromium.org
Cc: linux-tip-comm...@vger.kernel.org
Cc: l...@amacapital.net
Cc: nilayva...@gmail.com
Cc: rost...@goodmis.org
Cc: tip-bot for Josh Poimboeuf 
Fixes: e18bcccd1a4e ("x86/dumpstack: Convert show_trace_log_lvl() to use the 
new unwinder")
Link: http://lkml.kernel.org/r/20160920155340.yhewlx7vmgmov5fb@treble
Signed-off-by: Ingo Molnar 
---
 arch/x86/kernel/dumpstack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 999de3b..9b7cf5c 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -164,7 +164,7 @@ void show_stack(struct task_struct *task, unsigned long *sp)
if (!sp && task == current)
sp = get_stack_pointer(current, NULL);
 
-   show_stack_log_lvl(current, NULL, sp, "");
+   show_stack_log_lvl(task, NULL, sp, "");
 }
 
 void show_stack_regs(struct pt_regs *regs)