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Filename Latest commit message Latest commit date
Alan Kao c15ac4fd60
riscv/ftrace: Add dynamic function tracer support
We now have dynamic ftrace with the following added items:

* ftrace_make_call, ftrace_make_nop (in kernel/ftrace.c)
  The two functions turn each recorded call site of filtered functions
  into a call to ftrace_caller or nops

* ftracce_update_ftrace_func (in kernel/ftrace.c)
  turns the nops at ftrace_call into a call to a generic entry for
  function tracers.

* ftrace_caller (in kernel/mcount-dyn.S)
  The entry where each _mcount call sites calls to once they are
  filtered to be traced.

Also, this patch fixes the semantic problems in mcount.S, which will be
treated as only a reference implementation once we have the dynamic
ftrace.

Cc: Greentime Hu <greentime@andestech.com>
Signed-off-by: Alan Kao <alankao@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-04-02 19:59:12 -07:00
arch riscv/ftrace: Add dynamic function tracer support 2018-04-02 19:59:12 -07:00
block
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Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-30 18:47:28 -10:00
drivers Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-30 18:47:28 -10:00
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scripts riscv/ftrace: Add RECORD_MCOUNT support 2018-04-02 19:59:10 -07:00
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tools Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-03-31 07:26:48 -10:00
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Makefile Linux 4.16 2018-04-01 14:20:27 -07:00
README

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.