From: "Liu, Changcheng" <changcheng.liu@intel.com>
To: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
jpoimboe@redhat.com, Petr Mladek <pmladek@suse.com>,
changcheng.liu@intel.com
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: [PATCH 0001/0001] format idle IP output func+offset/length
Date: Mon, 6 Nov 2017 13:25:11 +0800 [thread overview]
Message-ID: <20171106052511.GB69364@sofia> (raw)
kaslr feature is enabled in kernel.
Remove kernel text address when dumping idle IP info
Signed-off-by: Liu Changcheng <changcheng.liu@intel.com>
Signed-off-by: Jerry Liu <primerlink@gmail.com>
diff --git a/lib/nmi_backtrace.c b/lib/nmi_backtrace.c
index 0bc0a35..9cc4178 100644
--- a/lib/nmi_backtrace.c
+++ b/lib/nmi_backtrace.c
@@ -92,7 +92,7 @@ bool nmi_cpu_backtrace(struct pt_regs *regs)
if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) {
arch_spin_lock(&lock);
if (regs && cpu_in_idle(instruction_pointer(regs))) {
- pr_warn("NMI backtrace for cpu %d skipped: idling at pc %#lx\n",
+ pr_warn("NMI backtrace for cpu %d skipped: idling at pc %pS\n",
cpu, instruction_pointer(regs));
} else {
pr_warn("NMI backtrace for cpu %d\n", cpu);
--
2.7.4
next reply other threads:[~2017-11-06 5:25 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-06 5:25 Liu, Changcheng [this message]
2017-11-06 8:05 ` [PATCH 0001/0001] format idle IP output func+offset/length Sergey Senozhatsky
2017-11-06 10:52 ` Liu, Changcheng
2017-11-06 12:15 ` Petr Mladek
2017-11-06 13:11 ` Josh Poimboeuf
2017-11-06 16:48 ` Liu, Changcheng
2017-11-06 16:56 ` [PATCH v2] lib_backtrace: fix kernel text address leak Liu, Changcheng
2017-11-06 17:14 ` Josh Poimboeuf
2017-11-09 3:10 ` [PATCH 0001/0001] format idle IP output func+offset/length kbuild test robot
2017-11-09 3:29 ` Liu, Changcheng
2017-11-09 3:21 ` kbuild test robot
-- strict thread matches above, loose matches on Subject: below --
2017-11-06 3:19 Liu, Changcheng
2017-11-06 12:13 ` Petr Mladek
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