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b1cfa0391a
In commit 539df7fcb303 ("powerpc/configs: Enable function trace by
default") we added:
CONFIG_FTRACE=y
CONFIG_FUNCTION_TRACER=y
CONFIG_FUNCTION_GRAPH_TRACER=y
To ppc64_defconfig, powernv_defconfig and pseries_defconfig.
But only CONFIG_FUNCTION_TRACER=y is required, CONFIG_FTRACE is
default y if DEBUG_KERNEL is enabled, which we have. And then
CONFIG_FUNCTION_GRAPH_TRACER is default y when CONFIG_FUNCTION_TRACER
is enabled.
The extra symbols were already removed from powernv_defconfig in
commit 9a018fb1e147 ("powerpc/config: powernv_defconfig updates").
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>