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/openbmc/linux/scripts/dummy-tools/
H A Dgcc2eab791f Mon Mar 08 00:28:20 CST 2021 Jiri Slaby <jslaby@suse.cz> kbuild: dummy-tools: support MPROFILE_KERNEL checks for ppc

ppc64le checks for -mprofile-kernel to define MPROFILE_KERNEL Kconfig.
Kconfig calls arch/powerpc/tools/gcc-check-mprofile-kernel.sh for that
purpose. This script performs two checks:
1) build with -mprofile-kernel should contain "_mcount"
2) build with -mprofile-kernel with a function marked as "notrace"
should not produce "_mcount"

So support this in dummy-tools' gcc, so that we have MPROFILE_KERNEL
always true.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>