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 <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Alexei Starovoitov <[email protected]> Cc: Jessica Yu <[email protected]> Cc: Evan Green <[email protected]> Cc: Hsin-Yi Wang <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: Matthew Wilcox <[email protected]> Link: https://fedoraproject.org/wiki/Releases/FeatureBuildId [1] Link: https://sourceware.org/elfutils/Debuginfod.html [2] Signed-off-by: Stephen Boyd <[email protected]> --- 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
