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94ede2a3e9
For some reason I didn't see this issue on my arm64 or x86-64 builds,
but Stephen Rothwell reports that commit 2accfdb7eff6 ("profiling:
attempt to remove per-cpu profile flip buffer") left these static
variables around, and the powerpc build is unhappy about them:
kernel/profile.c:52:28: warning: 'cpu_profile_flip' defined but not used [-Wunused-variable]
52 | static DEFINE_PER_CPU(int, cpu_profile_flip);
| ^~~~~~~~~~~~~~~~
..
So remove these stale left-over remnants too.
Fixes: 2accfdb7eff6 ("profiling: attempt to remove per-cpu profile flip buffer")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 reStructuredText 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.