Let's use the new printk formats to print the stacktrace entries when
printing a backtrace to the kernel logs. This will include any module's
build ID[1] in it so that offline/crash debugging can easily locate the
debuginfo for a module via something like debuginfod[2].

Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Borislav Petkov <b...@alien8.de>
Cc: <x...@kernel.org>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Alexei Starovoitov <a...@kernel.org>
Cc: Jessica Yu <j...@kernel.org>
Cc: Evan Green <evgr...@chromium.org>
Cc: Hsin-Yi Wang <hsi...@chromium.org>
Cc: Petr Mladek <pmla...@suse.com>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Cc: Matthew Wilcox <wi...@infradead.org>
Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1]
Link: https://sourceware.org/elfutils/Debuginfod.html [2]
Signed-off-by: Stephen Boyd <swb...@chromium.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 299c20f0a38b..ea4fe192189d 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -69,7 +69,7 @@ static void printk_stack_address(unsigned long address, int 
reliable,
                                 const char *log_lvl)
 {
        touch_nmi_watchdog();
-       printk("%s %s%pB\n", log_lvl, reliable ? "" : "? ", (void *)address);
+       printk("%s %s%pBb\n", log_lvl, reliable ? "" : "? ", (void *)address);
 }
 
 static int copy_code(struct pt_regs *regs, u8 *buf, unsigned long src,
-- 
https://chromeos.dev

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