Re: [PATCH 08/22] ARM: %pF is only for function pointers

From: Russell King - ARM Linux
Date: Thu Mar 12 2015 - 15:51:30 EST


On Wed, Mar 11, 2015 at 10:13:43PM -0500, Scott Wood wrote:
> Use %pS for actual addresses, otherwise you'll get bad output
> on arches like ppc64 where %pF expects a function descriptor. Even on
> other architectures, refrain from setting a bad example that people
> copy.
>
> Signed-off-by: Scott Wood <scottwood@xxxxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx

Would've been nice to have been Cc'd on the patch, but luckily I saw it
amongst all the traffic anyway. If the trivial folk want to take it:

Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>

Thanks.

> ---
> arch/arm/mm/alignment.c | 2 +-
> arch/arm/nwfpe/fpmodule.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
> index 2c0c541..3419550 100644
> --- a/arch/arm/mm/alignment.c
> +++ b/arch/arm/mm/alignment.c
> @@ -132,7 +132,7 @@ static const char *usermode_action[] = {
> static int alignment_proc_show(struct seq_file *m, void *v)
> {
> seq_printf(m, "User:\t\t%lu\n", ai_user);
> - seq_printf(m, "System:\t\t%lu (%pF)\n", ai_sys, ai_sys_last_pc);
> + seq_printf(m, "System:\t\t%lu (%pS)\n", ai_sys, ai_sys_last_pc);
> seq_printf(m, "Skipped:\t%lu\n", ai_skipped);
> seq_printf(m, "Half:\t\t%lu\n", ai_half);
> seq_printf(m, "Word:\t\t%lu\n", ai_word);
> diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c
> index ec717c1..2d2bfe2 100644
> --- a/arch/arm/nwfpe/fpmodule.c
> +++ b/arch/arm/nwfpe/fpmodule.c
> @@ -147,7 +147,7 @@ void float_raise(signed char flags)
> #ifdef CONFIG_DEBUG_USER
> if (flags & debug)
> printk(KERN_DEBUG
> - "NWFPE: %s[%d] takes exception %08x at %pf from %08lx\n",
> + "NWFPE: %s[%d] takes exception %08x at %ps from %08lx\n",
> current->comm, current->pid, flags,
> __builtin_return_address(0), GET_USERREG()->ARM_pc);
> #endif
> --
> 2.1.0
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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