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From:   Vineet Gupta <vineet.gupta1@synopsys.com>
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Subject: Re: [PATCH v4 6/6] arch: Move initrd= parsing into
 do_mounts_initrd.c
Thread-Topic: [PATCH v4 6/6] arch: Move initrd= parsing into
 do_mounts_initrd.c
Thread-Index: AQHUdVsG6LD9rqw+mkiEXoDtFpj/vg==
Date:   Tue, 13 Nov 2018 00:40:08 +0000
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References: <20181105225431.24485-1-f.fainelli@gmail.com>
 <20181105225431.24485-7-f.fainelli@gmail.com>
 <C2D7FE5348E1B147BCA15975FBA23075013A5929ED@us01wembx1.internal.synopsys.com>
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On 11/12/18 4:38 PM, Florian Fainelli wrote:=0A=
>>>  #ifdef CONFIG_BLK_DEV_INITRD=0A=
>>> -	if (initrd_start)=0A=
>>> -		memblock_reserve(__pa(initrd_start), initrd_end - initrd_start);=0A=
>>> +	if (phys_initrd_size) {=0A=
>>> +		memblock_reserve(phys_initrd_start, phys_initrd_size);=0A=
>>> +		initrd_start =3D (unsigned long)__va(phys_initrd_start);=0A=
>>> +		initrd_end =3D initrd_start + phys_initrd_size;=0A=
>>> +	}=0A=
>>>  #endif=0A=
>> The common code now uses phys_initrd*, and you also use the same in ARC =
code, do=0A=
>> we still need the initrd_* setting here ?=0A=
>> ARC semantics was using them as PA anyways.=0A=
> Yes, the generic initrd code expects initrd_start/end to be virtual=0A=
> addresses, which we now directly derive from phys_initrd_start, that=0A=
> should really be equivalent.=0A=
=0A=
So we can skip this explicit setting above - ARC arch code doesn't access t=
he virt=0A=
initrd_start=0A=