Messages in this thread | | | Date | Wed, 21 Feb 2018 12:26:31 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] [stable 4.14 patch] x86: fix KMEMCHECK warning about FRAME_POINTER |
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On Fri, Feb 16, 2018 at 04:29:10PM +0100, Arnd Bergmann wrote: > When KMEMCHECK is enabled without UNWINDER_FRAME_POINTER, we get a > Kconfig warning, presumably harmless: > > warning: (FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP && KMEMCHECK && LOCKDEP && UNWINDER_FRAME_POINTER) selects FRAME_POINTER which has unmet direct dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || SUPERH || BLACKFIN || MN10300 || METAG) || ARCH_WANT_FRAME_POINTERS || !UNWINDER_ORC && !UNWINDER_GUESS) > > In newer mainline kernels, the KMEMCHECK option has been removed, so > this no longer happens. Adding the unwinder as a direct dependency > for KMEMCHECK works for 4.14-stable as well and documents the > dependency better.
4.14.y now has that option removed as well, as I just removed all of kmemcheck as it was "getting in the way" of other patches, so this isn't needed anymore.
thanks,
greg k-h
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