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[ Upstream commit34daf445f8] CC arch/powerpc/perf/core-fsl-emb.o arch/powerpc/perf/core-fsl-emb.c:675:6: error: no previous prototype for 'hw_perf_event_setup' [-Werror=missing-prototypes] 675 | void hw_perf_event_setup(int cpu) | ^~~~~~~~~~~~~~~~~~~ Looks like fsl_emb was completely missed by commit3f6da39053("perf: Rework and fix the arch CPU-hotplug hooks") So, apply same changes as commit3f6da39053("perf: Rework and fix the arch CPU-hotplug hooks") then commit57ecde42cc("powerpc/perf: Convert book3s notifier to state machine callbacks") While at it, also fix following error: arch/powerpc/perf/core-fsl-emb.c: In function 'perf_event_interrupt': arch/powerpc/perf/core-fsl-emb.c:648:13: error: variable 'found' set but not used [-Werror=unused-but-set-variable] 648 | int found = 0; | ^~~~~ Fixes:3f6da39053("perf: Rework and fix the arch CPU-hotplug hooks") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/603e1facb32608f88f40b7d7b9094adc50e7b2dc.1692349125.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin <sashal@kernel.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
``make pdfdocs``. The formatted documentation can also be read online at:
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.