mainlining shenanigans
49afe66143
- Change idx variable in DO_TRACE macro to __idx to avoid name conflicts.
A kvm event had "idx" as a parameter and it confused the macro.
- Fix a race where interrupts would be traced when set_graph_function was set.
The previous patch set increased a race window that tricked the function graph
tracer to think it should trace interrupts when it really should not have.
The bug has been there before, but was seldom hit. Only the last patch series
made it more common.
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Merge tag 'trace-v4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull more tracing fixes from Steven Rostedt:
"Two more fixes:
- Change idx variable in DO_TRACE macro to __idx to avoid name
conflicts. A kvm event had "idx" as a parameter and it confused the
macro.
- Fix a race where interrupts would be traced when set_graph_function
was set. The previous patch set increased a race window that
tricked the function graph tracer to think it should trace
interrupts when it really should not have.
The bug has been there before, but was seldom hit. Only the last
patch series made it more common"
* tag 'trace-v4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing/fgraph: Fix set_graph_function from showing interrupts
tracepoint: Use __idx instead of idx in DO_TRACE macro to make it unique
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
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https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.