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2022-01-07Documentation: kgdb: Replace deprecated remotebaudChristian Löhle
Using set remotebaud to set the baud rate was deprecated in gdb-7.7 and completely removed from the command parser in gdb-7.8 (released in 2014). Adopt set serial baud instead. Signed-off-by: Christian Loehle <cloehle@hyperstone.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/4050689967ed46baaa3bfadda53a0e73@hyperstone.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2022-01-03Documentation: kgdb: properly capitalize the MAGIC_SYSRQ configLukas Bulwahn
Most readers are probably going to figure out that the config is actually all upper-case letters, as all Kconfig symbols are this way. Properly capitalizing makes the script ./scripts/checkkconfigsymbols.py happy, which otherwise would report this as a reference to a non-existing Kconfig symbol. So, use the right capitalization for the MAGIC_SYSRQ config in the kgdb documentation. Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> Link: https://lore.kernel.org/r/20211230172423.30430-1-lukas.bulwahn@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-11-18Documentation: kgdb: Fix a typoTiezhu Yang
"to into" -> "into" Reported-by: Sergei Shtylyov <sergei.shtylyov@gmail.com> Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/1605519767-25502-1-git-send-email-yangtiezhu@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-10-15docs: kgdb.rst: fix :c:type: usagesMauro Carvalho Chehab
Which Sphinx 3, :c:type: can't be used anymore for structs, as this should be used only for typedefs. Rely on automarkup.py for struct references. This file has an special case, though: it uses the tag also to point to an array. Let's use, instead, :c:expr: for such purpose, as it should do the right thing. This should fix this warning: ./Documentation/dev-tools/kgdb.rst:875: WARNING: Unparseable C cross-reference: 'kdb_poll_funcs[]' Invalid C declaration: Expected end of definition. [error at 14] kdb_poll_funcs[] --------------^ Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-08-11Dev-tools: Documentation: Replace deprecated :c:func: UsagePuranjay Mohan
Replace :c:func: with func() as the previous usage is deprecated. Signed-off-by: Puranjay Mohan <puranjay12@gmail.com> Link: https://lore.kernel.org/r/20200810183613.25643-1-puranjay12@gmail.com Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-07-13Documentation: kgdb: eliminate duplicated wordRandy Dunlap
Drop the doubled word "driver". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Daniel Thompson <daniel.thompson@linaro.org> Cc: Douglas Anderson <dianders@chromium.org> Cc: kgdb-bugreport@lists.sourceforge.net Link: https://lore.kernel.org/r/20200707180414.10467-5-rdunlap@infradead.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-06-02Documentation: kgdboc: Document new kgdboc_earlycon parameterDouglas Anderson
The recent patch ("kgdboc: Add kgdboc_earlycon to support early kgdb using boot consoles") adds a new kernel command line parameter. Document it. Note that the patch adding the feature does some comparing/contrasting of "kgdboc_earlycon" vs. the existing "ekgdboc". See that patch for more details, but briefly "ekgdboc" can be used _instead_ of "kgdboc" and just makes "kgdboc" do its normal initialization early (only works if your tty driver is already ready). The new "kgdboc_earlycon" works in combination with "kgdboc" and is backed by boot consoles. Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Link: https://lore.kernel.org/r/20200507130644.v4.9.I7d5eb42c6180c831d47aef1af44d0b8be3fac559@changeid Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
2017-07-17docs: disable KASLR when debugging kernelZhouyi Zhou
commit 6807c84652b0 ("x86: Enable KASLR by default") enables KASLR by default on x86. While KASLR will confuse gdb which resolve kernel symbol address from symbol table of vmlinux. We should turn off KASLR for kernel debugging. Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2017-05-16kgdb.rst: Adjust ReST markupsMauro Carvalho Chehab
The automatic conversion didn't work too well for this file. It added weird html blocks inside it, and did some weird things for literals. Manually fix it, in order to present a nice display at html/pdf outputs. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-05-16docs-rst: convert kgdb DocBook to ReSTMauro Carvalho Chehab
Use pandoc to convert documentation to ReST by calling Documentation/sphinx/tmplcvt script. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>