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Message-ID: <d0b15b1b-cf12-9da9-24f7-1fa0f4ee3757@oracle.com>
Date:   Fri, 14 Oct 2022 11:25:34 -0500
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Subject: Re: [PATCH v3 0/2] arm64: kdump: Function supplement and performance
 optimization
Content-Language: en-US
To:     Baoquan He <bhe@redhat.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>
Cc:     "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>,
        Dave Young <dyoung@redhat.com>,
        Vivek Goyal <vgoyal@redhat.com>, kexec@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        Jonathan Corbet <corbet@lwn.net>, linux-doc@vger.kernel.org,
        "Eric W . Biederman" <ebiederm@xmission.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Feng Zhou <zhoufeng.zf@bytedance.com>,
        Kefeng Wang <wangkefeng.wang@huawei.com>,
        Chen Zhou <dingguo.cz@antgroup.com>,
        Dave Kleikamp <dave.kleikamp@oracle.com>,
        "samasth.norway.ananda" <samasth.norway.ananda@oracle.com>,
        John Donnelly <john.p.donnelly@oracle.com>
References: <20220711090319.1604-1-thunder.leizhen@huawei.com>
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From:   John Donnelly <john.p.donnelly@oracle.com>
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On 10/13/22 05:46, Baoquan He wrote:
> On 10/06/22 at 09:55am, john.p.donnelly@oracle.com wrote:
>> On 8/1/22 9:47 PM, Leizhen (ThunderTown) wrote:
> ......
>>>> Do you have plan to pick this series so that it can be taken into 5.20
>>>> rc-1~3?
>>>
>>> Hi, Catalin:
>>>     Only function reserve_crashkernel() is modified in these two patches. The core
>>> process of the arm64 architecture is not affected. I remember you suggested that
>>> arm64 and x86 share the same kdump code, so these two subfeatures are needed.
>>> Maybe we can lay the foundation first for the people who build the road. Unifying
>>> the external interfaces of kdump on arm64 and x86 does not seem to hurt.
>>>
>>>
>>>>
>>>> We have back ported the basic crashkernel=high, low, support into our
>>>> distros and have taken wide testing on arm64 servers, need this patchset
>>>> to back port for more testing.
>>>>
>>>
>> Hi ,
>>
>> What is the progress of this series ?
>>
>> Without this patch set we are seeing  larger crashkernel=896M failures on
>> Arm  with Linux-6.0.rc7.  This larger value is needed for
>> iSCSI booted systems with certain network adapters.
> 
> This change is located in arch/arm64 folder, I have pinged arm64
> maintainer to consider merging this patchset. Not sure if they are
> still thinking, or ignore this.
> 
> Hi Catalin, Will,
> 
> Ping again!
> 
> Do you have plan to accept this patchset? It's very important fo
> crashkernel setting on arm64 with a simple and default syntax.
> 
> Thanks
> Baoquan
> 
Hi,

We have pulled this into our Linux 6.0.0 QA test kernels for now. We 
would like it added too.

Thank you,

John