Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <188e331c-d399-e86d-e894-a2a116deb753@linux.alibaba.com>
Date:   Tue, 18 Oct 2022 14:06:22 +0800
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0)
 Gecko/20100101 Thunderbird/91.12.0
Subject: Re: [PATCH V2 2/2] Documentation: kdump: describe VMCOREINFO export
 for RISCV64
To:     Bagas Sanjaya <bagasdotme@gmail.com>
Cc:     paul.walmsley@sifive.com, palmer@dabbelt.com,
        aou@eecs.berkeley.edu, anup@brainfault.org, heiko@sntech.de,
        guoren@kernel.org, mick@ics.forth.gr,
        alexandre.ghiti@canonical.com, bhe@redhat.com, vgoyal@redhat.com,
        dyoung@redhat.com, corbet@lwn.net, Conor.Dooley@microchip.com,
        kexec@lists.infradead.org, linux-doc@vger.kernel.org,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        crash-utility@redhat.com, heinrich.schuchardt@canonical.com,
        k-hagio-ab@nec.com, hschauhan@nulltrace.org, yixun.lan@gmail.com
References: <20221014134139.5151-1-xianting.tian@linux.alibaba.com>
 <20221014134139.5151-3-xianting.tian@linux.alibaba.com>
 <Y04bOv49sRsauLb6@debian.me>
From:   Xianting Tian <xianting.tian@linux.alibaba.com>
In-Reply-To: <Y04bOv49sRsauLb6@debian.me>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Precedence: bulk


在 2022/10/18 上午11:19, Bagas Sanjaya 写道:
> On Fri, Oct 14, 2022 at 09:41:39PM +0800, Xianting Tian wrote:
>> The following interrelated definitions and ranges are needed by the kdump
>> crash tool, they are exported by "arch/riscv/kernel/crash_core.c":
> Better say "..., which are exported by ..."
>
>> diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
>> index 6726f439958c..8e2e164cf3db 100644
>> --- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
>> +++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
>> @@ -595,3 +595,33 @@ X2TLB
>>   -----
>>   
>>   Indicates whether the crashed kernel enabled SH extended mode.
>> +
>> +RISCV64
>> +=======
>> +
>> +VA_BITS
>> +-------
>> +
>> +The maximum number of bits for virtual addresses. Used to compute the
>> +virtual memory ranges.
>> +
>> +PAGE_OFFSET
>> +-----------
>> +
>> +Indicates the virtual kernel start address of direct-mapped RAM region.
>> +
>> +phys_ram_base
>> +-------------
>> +
>> +Indicates the start physical RAM address.
>> +
>> +MODULES_VADDR|MODULES_END|VMALLOC_START|VMALLOC_END|VMEMMAP_START|VMEMMAP_END|KASAN_SHADOW_START|KASAN_SHADOW_END|KERNEL_LINK_ADDR|ADDRESS_SPACE_END
>> +----------------------------------------------------------------------------------------------------------------------------------------------------
>> +
>> +Used to get the correct ranges:
>> +
>> +  * MODULES_VADDR ~ MODULES_END : Kernel module space.
>> +  * VMALLOC_START ~ VMALLOC_END : vmalloc() / ioremap() space.
>> +  * VMEMMAP_START ~ VMEMMAP_END : vmemmap region, used for struct page array.
>> +  * KASAN_SHADOW_START ~ KASAN_SHADOW_END : kasan shadow space.
>> +  * KERNEL_LINK_ADDR ~ ADDRESS_SPACE_END : Kernel link and BPF space.
> The documentation LGTM, thanks.
>
> When the patch subject is fixed,
Could you tell me what patch subject should be changed to ? thanks
>
> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
>