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Date:   Fri, 8 Apr 2022 17:32:52 +0800
From:   Baoquan He <bhe@redhat.com>
To:     Zhen Lei <thunder.leizhen@huawei.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
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        Vivek Goyal <vgoyal@redhat.com>,
        Eric Biederman <ebiederm@xmission.com>,
        kexec@lists.infradead.org,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
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        Rob Herring <robh+dt@kernel.org>,
        Frank Rowand <frowand.list@gmail.com>,
        devicetree@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
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        Feng Zhou <zhoufeng.zf@bytedance.com>,
        Kefeng Wang <wangkefeng.wang@huawei.com>,
        Chen Zhou <dingguo.cz@antgroup.com>,
        John Donnelly <John.p.donnelly@oracle.com>,
        Dave Kleikamp <dave.kleikamp@oracle.com>
Subject: Re: [PATCH v21 0/5] support reserving crashkernel above 4G on arm64
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References: <20220227030717.1464-1-thunder.leizhen@huawei.com>
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In-Reply-To: <20220227030717.1464-1-thunder.leizhen@huawei.com>
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Hi, Lei

On 02/27/22 at 11:07am, Zhen Lei wrote:
> Changes since [v20]:
> 1. Check whether crashkernel=Y,low is incorrectly configured or not configured. Do different processing.
> 2. Share the existing description of x86. The configuration of arm64 is the same as that of x86.
> 3. Define the value of macro CRASH_ADDR_HIGH_MAX as memblock.current_limit, instead of MEMBLOCK_ALLOC_ACCESSIBLE.
> 4. To improve readability, some lightweight code adjustments have been made to reserve_craskernel(), including comments.
> 5. The defined value of DEFAULT_CRASH_KERNEL_LOW_SIZE reconsiders swiotlb, just like x86, to share documents.

5.18 rc1 is already done, do you have plan to post a new version for
reviewing?

Thanks
Baoquan