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Merge tag 'arm-ftrace-for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ardb...
authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Mon, 28 Feb 2022 13:53:48 +0000 (13:53 +0000)
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Mon, 28 Feb 2022 13:53:48 +0000 (13:53 +0000)
ARM: ftrace fixes and cleanups

Make all flavors of ftrace available on all builds, regardless of ISA
choice, unwinder choice or compiler:
- use ADD not POP where possible
- fix a couple of Thumb2 related issues
- enable HAVE_FUNCTION_GRAPH_FP_TEST for robustness
- enable the graph tracer with the EABI unwinder
- avoid clobbering frame pointer registers to make Clang happy

Link: https://lore.kernel.org/linux-arm-kernel/20220203082204.1176734-1-ardb@kernel.org/

Trivial merge
Domain: System / Kernel;