Re: [PATCH 02/14] um: Use %pS printk format for symbols from direct addresses

From: Petr Mladek
Date: Tue Sep 12 2017 - 08:10:36 EST


On Wed 2017-09-06 22:27:49, Helge Deller wrote:
> Use the %pS printk format for printing symbols from direct addresses.
> In usermode-linux there is actually no difference between %pS and %pF, but for
> consistency throughout the kernel fix the wrong usage here too.
>
> Signed-off-by: Helge Deller <deller@xxxxxx>
> Cc: Jeff Dike <jdike@xxxxxxxxxxx>
> Cc: Richard Weinberger <richard@xxxxxx>
> Cc: user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx
> ---
> arch/um/kernel/sysrq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
> index 6b995e8..05585ee 100644
> --- a/arch/um/kernel/sysrq.c
> +++ b/arch/um/kernel/sysrq.c
> @@ -20,7 +20,7 @@
>
> static void _print_addr(void *data, unsigned long address, int reliable)
> {
> - pr_info(" [<%08lx>] %s%pF\n", address, reliable ? "" : "? ",
> + pr_info(" [<%08lx>] %s%pS\n", address, reliable ? "" : "? ",
> (void *)address);

This seems to be used to print addresses from the stack.
IMHO, we should use %pB here.

Best Regards,
Petr