linux-kernel - Re: [PATCH] ARM: Fix __show

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Message-ID: <20170503192310.GD22219@n2100.armlinux.org.uk>
Date:   Wed, 3 May 2017 20:23:11 +0100
From:   Russell King - ARM Linux <linux@...linux.org.uk>
To:     Joe Perches <joe@...ches.com>
Cc:     linux-kernel@...r.kernel.org,
        Andreas Kemnade <andreas@...nade.info>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: Fix __show_regs output timestamps

On Wed, Apr 26, 2017 at 10:39:49AM -0700, Joe Perches wrote:
> Multiple line formats are not preferred as the second and
> subsequent lines may not have timestamps.
> 
> Lacking timestamps makes reading the output a bit difficult.
> This also makes arm/arm64 output more similar.
> 
> Previous:
> 
> [ 1514.093231] pc : [<bf79c304>]    lr : [<bf79ced8>]    psr: a00f0013
> sp : ecdd7e20  ip : 00000000  fp : ffffffff
> 
> New:
> 
> [ 1514.093231] pc : [<bf79c304>]    lr : [<bf79ced8>]    psr: a00f0013
> [ 1514.105316] sp : ecdd7e20  ip : 00000000  fp : ffffffff
> 
> Signed-off-by: Joe Perches <joe@...ches.com>

Hi Joe,

Could you put this in my patch system please, I'm unlikely to remember to
apply it otherwise if not already there (massive email backlog.)

Thanks.

> ---
>  arch/arm/kernel/process.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
> index 939e8b58c59d..151cece4a293 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -123,10 +123,10 @@ void __show_regs(struct pt_regs *regs)
>  
>  	print_symbol("PC is at %s\n", instruction_pointer(regs));
>  	print_symbol("LR is at %s\n", regs->ARM_lr);
> -	printk("pc : [<%08lx>]    lr : [<%08lx>]    psr: %08lx\n"
> -	       "sp : %08lx  ip : %08lx  fp : %08lx\n",
> -		regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr,
> -		regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
> +	printk("pc : [<%08lx>]    lr : [<%08lx>]    psr: %08lx\n",
> +	       regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr);
> +	printk("sp : %08lx  ip : %08lx  fp : %08lx\n",
> +	       regs->ARM_sp, regs->ARM_ip, regs->ARM_fp);
>  	printk("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
>  		regs->ARM_r10, regs->ARM_r9,
>  		regs->ARM_r8);
> -- 
> 2.10.0.rc2.1.g053435c
> 

-- 
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
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