linux-kernel - Re: [PATCH 0/5] merge io_apic

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Date:	Tue, 19 Aug 2008 17:32:40 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Yinghai Lu <yhlu.kernel@...il.com>, mingo@...e.hu,
	tglx@...utronix.de, hpa@...or.com, ebiederm@...ssion.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] merge io_apic_xx.c -- fix

Andrew Morton wrote:
> On Tue, 19 Aug 2008 17:24:08 -0700
> "Yinghai Lu" <yhlu.kernel@...il.com> wrote:
> 
>> On Tue, Aug 19, 2008 at 3:21 PM, Randy Dunlap <randy.dunlap@...cle.com> wrote:
>>> On Sat, 16 Aug 2008 15:35:54 +0200 Ingo Molnar wrote:
>>>
>>>> * Yinghai Lu <yhlu.kernel@...il.com> wrote:
>>>>
>>>>>     merge io_apic_xx.c
>>>>>
>>>>> Thanks
>>>> applied to tip/irq/sparseirq - thanks!
>>>
>>> Are there patches in the io_apic series to fix these warnings in linux-next?? ::
>>>
>>>
>>> linux-next-20080819/arch/x86/kernel/io_apic_32.c:1539: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64'
>>> linux-next-20080819/arch/x86/kernel/io_apic_32.c:1540: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64
>>>
>>>
>>> and
>>>
>>> linux-next-20080819/arch/x86/kernel/io_apic_32.c:1539: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64'
>>> linux-next-20080819/arch/x86/kernel/io_apic_32.c:1540: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64'
>>>
>> No
> 
> yes
> 
> From: Andrew Morton <akpm@...ux-foundation.org>
> 
> arch/x86/kernel/io_apic_32.c: In function 'print_local_APIC':
> arch/x86/kernel/io_apic_32.c:1539: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64'
> arch/x86/kernel/io_apic_32.c:1540: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'u64'
> 
> No need for casting here - we know what type u64 has.
> 
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
> ---
> 
>  arch/x86/kernel/io_apic_32.c |    4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff -puN arch/x86/kernel/io_apic_32.c~arch-x86-kernel-io_apic_32c-fix-printk-warnings arch/x86/kernel/io_apic_32.c
> --- a/arch/x86/kernel/io_apic_32.c~arch-x86-kernel-io_apic_32c-fix-printk-warnings
> +++ a/arch/x86/kernel/io_apic_32.c
> @@ -1536,8 +1536,8 @@ __apicdebuginit(void) print_local_APIC(v
>  	}
>  
>  	icr = apic_icr_read();
> -	printk(KERN_DEBUG "... APIC ICR: %08x\n", icr);
> -	printk(KERN_DEBUG "... APIC ICR2: %08x\n", icr >> 32);
> +	printk(KERN_DEBUG "... APIC ICR: %08Lx\n", icr);
> +	printk(KERN_DEBUG "... APIC ICR2: %08Lx\n", icr >> 32);
>  
>  	v = apic_read(APIC_LVTT);
>  	printk(KERN_DEBUG "... APIC LVTT: %08x\n", v);
> _


Crud, I had a copy-paste error.  There are also printk format warnings
in io_apic_64.c:

linux-next-20080819/arch/x86/kernel/io_apic_64.c:1284: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'long unsigned int'
linux-next-20080819/arch/x86/kernel/io_apic_64.c:1285: warning: format '%08x' expects type 'unsigned int', but argument 2 has type 'long unsigned int


-- 
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
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