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Date: Fri, 5 Jul 2019 13:55:40 +0800
From: Dave Young <dyoung@...hat.com>
To: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Cc: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
Mauro Carvalho Chehab <mchehab@...radead.org>,
linux-kernel@...r.kernel.org, Jonathan Corbet <corbet@....net>,
Baoquan He <bhe@...hat.com>, Vivek Goyal <vgoyal@...hat.com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Harry Wei <harryxiyou@...il.com>,
Alex Shi <alex.shi@...ux.alibaba.com>,
Jerry Hoemann <jerry.hoemann@....com>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>,
Russell King <linux@...linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
kexec@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
linux-watchdog@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-sh@...r.kernel.org
Subject: Re: [PATCH 18/39] docs: admin-guide: add kdump documentation into it
On 06/28/19 at 09:30am, Mauro Carvalho Chehab wrote:
> The Kdump documentation describes procedures with admins use
> in order to solve issues on their systems.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
> ---
> Documentation/admin-guide/bug-hunting.rst | 4 ++--
> Documentation/admin-guide/index.rst | 1 +
> Documentation/{ => admin-guide}/kdump/gdbmacros.txt | 0
> Documentation/{ => admin-guide}/kdump/index.rst | 1 -
> Documentation/{ => admin-guide}/kdump/kdump.rst | 0
> Documentation/{ => admin-guide}/kdump/vmcoreinfo.rst | 0
> Documentation/admin-guide/kernel-parameters.txt | 6 +++---
> Documentation/powerpc/firmware-assisted-dump.rst | 2 +-
> Documentation/translations/zh_CN/oops-tracing.txt | 4 ++--
> Documentation/watchdog/hpwdt.rst | 2 +-
> MAINTAINERS | 2 +-
> arch/arm/Kconfig | 2 +-
> arch/arm64/Kconfig | 2 +-
> arch/sh/Kconfig | 2 +-
> arch/x86/Kconfig | 4 ++--
> 15 files changed, 16 insertions(+), 16 deletions(-)
> rename Documentation/{ => admin-guide}/kdump/gdbmacros.txt (100%)
> rename Documentation/{ => admin-guide}/kdump/index.rst (97%)
> rename Documentation/{ => admin-guide}/kdump/kdump.rst (100%)
> rename Documentation/{ => admin-guide}/kdump/vmcoreinfo.rst (100%)
>
> diff --git a/Documentation/admin-guide/bug-hunting.rst b/Documentation/admin-guide/bug-hunting.rst
> index b761aa2a51d2..44b8a4edd348 100644
> --- a/Documentation/admin-guide/bug-hunting.rst
> +++ b/Documentation/admin-guide/bug-hunting.rst
> @@ -90,9 +90,9 @@ the disk is not available then you have three options:
> run a null modem to a second machine and capture the output there
> using your favourite communication program. Minicom works well.
>
> -(3) Use Kdump (see Documentation/kdump/kdump.rst),
> +(3) Use Kdump (see Documentation/admin-guide/kdump/kdump.rst),
> extract the kernel ring buffer from old memory with using dmesg
> - gdbmacro in Documentation/kdump/gdbmacros.txt.
> + gdbmacro in Documentation/admin-guide/kdump/gdbmacros.txt.
>
> Finding the bug's location
> --------------------------
> diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
> index 9899b78dbe50..65e821a03aca 100644
> --- a/Documentation/admin-guide/index.rst
> +++ b/Documentation/admin-guide/index.rst
> @@ -39,6 +39,7 @@ problems and bugs in particular.
> ramoops
> dynamic-debug-howto
> init
> + kdump/index
> perf/index
>
> This is the beginning of a section with information of interest to
> diff --git a/Documentation/kdump/gdbmacros.txt b/Documentation/admin-guide/kdump/gdbmacros.txt
> similarity index 100%
> rename from Documentation/kdump/gdbmacros.txt
> rename to Documentation/admin-guide/kdump/gdbmacros.txt
> diff --git a/Documentation/kdump/index.rst b/Documentation/admin-guide/kdump/index.rst
> similarity index 97%
> rename from Documentation/kdump/index.rst
> rename to Documentation/admin-guide/kdump/index.rst
> index 2b17fcf6867a..8e2ebd0383cd 100644
> --- a/Documentation/kdump/index.rst
> +++ b/Documentation/admin-guide/kdump/index.rst
> @@ -1,4 +1,3 @@
> -:orphan:
>
> ================================================================
> Documentation for Kdump - The kexec-based Crash Dumping Solution
> diff --git a/Documentation/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst
> similarity index 100%
> rename from Documentation/kdump/kdump.rst
> rename to Documentation/admin-guide/kdump/kdump.rst
> diff --git a/Documentation/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
> similarity index 100%
> rename from Documentation/kdump/vmcoreinfo.rst
> rename to Documentation/admin-guide/kdump/vmcoreinfo.rst
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index e38b96d061f4..9b535c0e22f3 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -708,14 +708,14 @@
> [KNL, x86_64] select a region under 4G first, and
> fall back to reserve region above 4G when '@...set'
> hasn't been specified.
> - See Documentation/kdump/kdump.rst for further details.
> + See Documentation/admin-guide/kdump/kdump.rst for further details.
>
> crashkernel=range1:size1[,range2:size2,...][@offset]
> [KNL] Same as above, but depends on the memory
> in the running system. The syntax of range is
> start-[end] where start and end are both
> a memory unit (amount[KMG]). See also
> - Documentation/kdump/kdump.rst for an example.
> + Documentation/admin-guide/kdump/kdump.rst for an example.
>
> crashkernel=size[KMG],high
> [KNL, x86_64] range could be above 4G. Allow kernel
> @@ -1207,7 +1207,7 @@
> Specifies physical address of start of kernel core
> image elf header and optionally the size. Generally
> kexec loader will pass this option to capture kernel.
> - See Documentation/kdump/kdump.rst for details.
> + See Documentation/admin-guide/kdump/kdump.rst for details.
>
> enable_mtrr_cleanup [X86]
> The kernel tries to adjust MTRR layout from continuous
> diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/powerpc/firmware-assisted-dump.rst
> index d7fa7c35dd12..9ca12830a48e 100644
> --- a/Documentation/powerpc/firmware-assisted-dump.rst
> +++ b/Documentation/powerpc/firmware-assisted-dump.rst
> @@ -61,7 +61,7 @@ as follows:
> the default calculated size. Use this option if default
> boot memory size is not sufficient for second kernel to
> boot successfully. For syntax of crashkernel= parameter,
> - refer to Documentation/kdump/kdump.rst. If any offset is
> + refer to Documentation/admin-guide/kdump/kdump.rst. If any offset is
> provided in crashkernel= parameter, it will be ignored
> as fadump uses a predefined offset to reserve memory
> for boot memory dump preservation in case of a crash.
> diff --git a/Documentation/translations/zh_CN/oops-tracing.txt b/Documentation/translations/zh_CN/oops-tracing.txt
> index 368ddd05b304..c5f3bda7abcb 100644
> --- a/Documentation/translations/zh_CN/oops-tracing.txt
> +++ b/Documentation/translations/zh_CN/oops-tracing.txt
> @@ -53,8 +53,8 @@ cat /proc/kmsg > file， 然而你必须介入中止传输， kmsg是一个“
> （2）用串口终端启动（请参看Documentation/admin-guide/serial-console.rst），运行一个null
> modem到另一台机器并用你喜欢的通讯工具获取输出。Minicom工作地很好。
>
> -（3）使用Kdump（请参看Documentation/kdump/kdump.rst），
> -使用在Documentation/kdump/gdbmacros.txt中定义的dmesg gdb宏，从旧的内存中提取内核
> +（3）使用Kdump（请参看Documentation/admin-guide/kdump/kdump.rst），
> +使用在Documentation/admin-guide/kdump/gdbmacros.txt中定义的dmesg gdb宏，从旧的内存中提取内核
> 环形缓冲区。
>
> 完整信息
> diff --git a/Documentation/watchdog/hpwdt.rst b/Documentation/watchdog/hpwdt.rst
> index 94a96371113e..49c647dba8aa 100644
> --- a/Documentation/watchdog/hpwdt.rst
> +++ b/Documentation/watchdog/hpwdt.rst
> @@ -59,7 +59,7 @@ Last reviewed: 08/20/2018
> and loop forever. This is generally not what a watchdog user wants.
>
> For those wishing to learn more please see:
> - Documentation/kdump/kdump.rst
> + Documentation/admin-guide/kdump/kdump.rst
> Documentation/admin-guide/kernel-parameters.txt (panic=)
> Your Linux Distribution specific documentation.
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index d35ff73f718a..4c622a19ab7d 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -8622,7 +8622,7 @@ R: Vivek Goyal <vgoyal@...hat.com>
> L: kexec@...ts.infradead.org
> W: http://lse.sourceforge.net/kdump/
> S: Maintained
> -F: Documentation/kdump/
> +F: Documentation/admin-guide/kdump/
>
> KEENE FM RADIO TRANSMITTER DRIVER
> M: Hans Verkuil <hverkuil@...all.nl>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 8bf8985ec667..d5bd4350fcbd 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -2025,7 +2025,7 @@ config CRASH_DUMP
> kdump/kexec. The crash dump kernel must be compiled to a
> memory address not used by the main kernel
>
> - For more details see Documentation/kdump/kdump.rst
> + For more details see Documentation/admin-guide/kdump/kdump.rst
>
> config AUTO_ZRELADDR
> bool "Auto calculation of the decompressed kernel image address"
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index accb045997c6..e1ea69994e0f 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -997,7 +997,7 @@ config CRASH_DUMP
> reserved region and then later executed after a crash by
> kdump/kexec.
>
> - For more details see Documentation/kdump/kdump.rst
> + For more details see Documentation/admin-guide/kdump/kdump.rst
>
> config XEN_DOM0
> def_bool y
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 31a7d12db705..c2858ac6a46a 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -626,7 +626,7 @@ config CRASH_DUMP
> to a memory address not used by the main kernel using
> PHYSICAL_START.
>
> - For more details see Documentation/kdump/kdump.rst
> + For more details see Documentation/admin-guide/kdump/kdump.rst
>
> config KEXEC_JUMP
> bool "kexec jump (EXPERIMENTAL)"
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index c9d59ca5e3ac..489fd833b980 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -2057,7 +2057,7 @@ config CRASH_DUMP
> to a memory address not used by the main kernel or BIOS using
> PHYSICAL_START, or it must be built as a relocatable image
> (CONFIG_RELOCATABLE=y).
> - For more details see Documentation/kdump/kdump.rst
> + For more details see Documentation/admin-guide/kdump/kdump.rst
>
> config KEXEC_JUMP
> bool "kexec jump"
> @@ -2094,7 +2094,7 @@ config PHYSICAL_START
> the reserved region. In other words, it can be set based on
> the "X" value as specified in the "crashkernel=YM@XM"
> command line boot parameter passed to the panic-ed
> - kernel. Please take a look at Documentation/kdump/kdump.rst
> + kernel. Please take a look at Documentation/admin-guide/kdump/kdump.rst
> for more details about crash dumps.
>
> Usage of bzImage for capturing the crash dump is recommended as
> --
> 2.21.0
>
Acked-by: Dave Young <dyoung@...hat.com>
Thanks
Dave
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