linux-kernel - Re: [PATCH 11/15] powerpc: convert to setup_initial_init

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Message-ID: <200bad0a-ed47-310c-4d6e-346e6b5cdf57@huawei.com>
Date:   Mon, 31 May 2021 09:02:06 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Christophe Leroy <christophe.leroy@...roup.eu>,
        Santosh Sivaraj <santosh@...six.org>
CC:     <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
        "Andrew Morton" <akpm@...ux-foundation.org>
Subject: Re: [PATCH 11/15] powerpc: convert to setup_initial_init_mm()


On 2021/5/29 23:22, Christophe Leroy wrote:
> Santosh Sivaraj <santosh@...six.org> a écrit :
>
>> Kefeng Wang <wangkefeng.wang@...wei.com> writes:
>>
>>> Use setup_initial_init_mm() helper to simplify code.
>
> I only got that patch, and patchwork as well 
> (https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=246315)
>
> Can you tell where I can see and get the full series ?
>
> And next time can you copy all patches to linuxppc-dev

ok, will be careful next time, thank for your reminding.

>
> Thanks
> Christophe
>
>>>
>>> Cc: Michael Ellerman <mpe@...erman.id.au>
>>> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
>>> Cc: linuxppc-dev@...ts.ozlabs.org
>>> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
>>> ---
>>>  arch/powerpc/kernel/setup-common.c | 5 +----
>>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>>
>>> diff --git a/arch/powerpc/kernel/setup-common.c 
>>> b/arch/powerpc/kernel/setup-common.c
>>> index 046fe21b5c3b..c046d99efd18 100644
>>> --- a/arch/powerpc/kernel/setup-common.c
>>> +++ b/arch/powerpc/kernel/setup-common.c
>>> @@ -928,10 +928,7 @@ void __init setup_arch(char **cmdline_p)
>>>
>>>      klp_init_thread_info(&init_task);
>>>
>>> -    init_mm.start_code = (unsigned long)_stext;
>>> -    init_mm.end_code = (unsigned long) _etext;
>>> -    init_mm.end_data = (unsigned long) _edata;
>>> -    init_mm.brk = klimit;
>>> +    setup_initial_init_mm(_stext, _etext, _edata, _end);
>>
>> This function definition is not visible for those who have subscribed 
>> only to
>> linuxppc-dev mailing list. I had to do a web-search with the ID.
>>
>> Thanks,
>> Santosh
>>
>>>
>>>      mm_iommu_init(&init_mm);
>>>      irqstack_early_init();
>>> -- 
>>> 2.26.2
>
>
> .
>