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Subject: Re: [PATCH] powerpc/prom: fix early DEBUG messages
To:     Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>
Cc:     linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
References: <531e7e818b5c4867148412c7902a9cbeee5745ee.1544709040.git.christophe.leroy@c-s.fr>
 <87pnu4vd94.fsf@concordia.ellerman.id.au>
From:   Christophe Leroy <christophe.leroy@c-s.fr>
Message-ID: <0cde4fdd-9d16-732f-ebf8-b06127929e63@c-s.fr>
Date:   Fri, 14 Dec 2018 11:37:58 +0100
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Le 14/12/2018 à 07:22, Michael Ellerman a écrit :
> Christophe Leroy <christophe.leroy@c-s.fr> writes:
> 
>> diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
>> index fe758cedb93f..d8e56e03c9c6 100644
>> --- a/arch/powerpc/kernel/prom.c
>> +++ b/arch/powerpc/kernel/prom.c
>> @@ -749,7 +749,11 @@ void __init early_init_devtree(void *params)
>>   	memblock_allow_resize();
>>   	memblock_dump_all();
>>   
>> +#ifdef CONFIG_PHYS_64BIT
>>   	DBG("Phys. mem: %llx\n", memblock_phys_mem_size());
>> +#else
>> +	DBG("Phys. mem: %x\n", memblock_phys_mem_size());
>> +#endif
> 
> Can we just do:
> 
>    	DBG("Phys. mem: %llx\n", (unsigned long long)memblock_phys_mem_size());
> 
> ?
> 

Yes that's obviously better, especially as we don't fix the length of 
the displayed value.
Christophe