From: tip-bot for Josh Poimboeuf <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: mingo@kernel.org, torvalds@linux-foundation.org, bp@alien8.de,
luto@kernel.org, tglx@linutronix.de, brgerst@gmail.com,
tipbot@zytor.com, jpoimboe@redhat.com, dvlasenk@redhat.com,
linux-kernel@vger.kernel.org, hpa@zytor.com,
peterz@infradead.org
Subject: [tip:x86/asm] x86/dumpstack: Fix show_stack() task pointer regression
Date: Tue, 20 Sep 2016 14:48:44 -0700 [thread overview]
Message-ID: <tip-71f5443ebb1227c22e8decbcd28a1ea6deaf8257@git.kernel.org> (raw)
In-Reply-To: <20160920155340.yhewlx7vmgmov5fb@treble>
Commit-ID: 71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Gitweb: http://git.kernel.org/tip/71f5443ebb1227c22e8decbcd28a1ea6deaf8257
Author: Josh Poimboeuf <jpoimboe@redhat.com>
AuthorDate: Tue, 20 Sep 2016 10:53:40 -0500
Committer: Ingo Molnar <mingo@kernel.org>
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 <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: byungchul.park@lge.com
Cc: fweisbec@gmail.com
Cc: keescook@chromium.org
Cc: linux-tip-commits@vger.kernel.org
Cc: luto@amacapital.net
Cc: nilayvaish@gmail.com
Cc: rostedt@goodmis.org
Cc: tip-bot for Josh Poimboeuf <tipbot@zytor.com>
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 <mingo@kernel.org>
---
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)
next prev parent reply other threads:[~2016-09-20 21:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-16 19:18 [PATCH v2 0/6] x86/dumpstack: replace dump_trace() with a new unwinder Josh Poimboeuf
2016-09-16 19:18 ` [PATCH v2 1/6] x86/unwind: add new unwind interface and implementations Josh Poimboeuf
2016-09-20 14:59 ` [tip:x86/asm] x86/unwind: Add " tip-bot for Josh Poimboeuf
2016-09-16 19:18 ` [PATCH v2 2/6] perf/x86: convert perf_callchain_kernel() to use the new unwinder Josh Poimboeuf
2016-09-20 14:59 ` [tip:x86/asm] perf/x86: Convert " tip-bot for Josh Poimboeuf
2016-09-16 19:18 ` [PATCH v2 3/6] x86/stacktrace: convert save_stack_trace_*() " Josh Poimboeuf
2016-09-20 15:00 ` [tip:x86/asm] x86/stacktrace: Convert " tip-bot for Josh Poimboeuf
2016-09-16 19:18 ` [PATCH v2 4/6] oprofile/x86: convert x86_backtrace() " Josh Poimboeuf
2016-09-20 15:00 ` [tip:x86/asm] oprofile/x86: Convert " tip-bot for Josh Poimboeuf
2016-09-16 19:18 ` [PATCH v2 5/6] x86/dumpstack: convert show_trace_log_lvl() " Josh Poimboeuf
2016-09-20 15:01 ` [tip:x86/asm] x86/dumpstack: Convert " tip-bot for Josh Poimboeuf
2016-09-20 15:53 ` [PATCH] x86/dumpstack: fix show_stack() task pointer regression Josh Poimboeuf
2016-09-20 21:48 ` tip-bot for Josh Poimboeuf [this message]
2016-09-16 19:18 ` [PATCH v2 6/6] x86/dumpstack: remove dump_trace() and related callbacks Josh Poimboeuf
2016-09-20 15:01 ` [tip:x86/asm] x86/dumpstack: Remove " tip-bot for Josh Poimboeuf
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