Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option

From	Catalin Marinas <catalin.marinas@arm.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option
Date	2015-11-06 17:20 +0100
Message-ID	<qrRU7-6M2-17@gated-at.bofh.it> (permalink)
References	<qravM-3Aq-3@gated-at.bofh.it> <qrOtb-4v4-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, Nov 06, 2015 at 12:30:09PM +0000, Will Deacon wrote:
> On Wed, Nov 04, 2015 at 09:37:51AM -0800, Yang Shi wrote:
> > FRAME_POINTER is defined in lib/Kconfig.debug, it is unnecessary to redefine
> > it in arch/arm64/Kconfig.debug.
> 
> It might be worth noting that this adds a dependency on DEBUG_KERNEL
> for building with frame pointers. I'm ok with that (it appears to be
> enabled in defconfig and follows the vast majority of other archs) but
> it is a change in behaviour.

We shouldn't have the dependency on DEBUG_KERNEL since we select
ARCH_WANT_FRAME_POINTERS on arm64. However, the patch would allow one to
disable FRAME_POINTERS (not sure it has any effect on the aarch64 gcc
though).

-- 
Catalin
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Thread

[PATCH] arm64: remove redundant FRAME_POINTER kconfig option Yang Shi <yang.shi@linaro.org> - 2015-11-04 19:00 +0100
  Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Will Deacon <will.deacon@arm.com> - 2015-11-06 13:40 +0100
    Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Mark Rutland <mark.rutland@arm.com> - 2015-11-06 14:00 +0100
      Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Will Deacon <will.deacon@arm.com> - 2015-11-06 16:50 +0100
      Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Will Deacon <will.deacon@arm.com> - 2015-11-06 17:30 +0100
        Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option "Shi, Yang" <yang.shi@linaro.org> - 2015-11-06 18:30 +0100
          Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Catalin Marinas <catalin.marinas@arm.com> - 2015-11-06 18:40 +0100
            Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option "Shi, Yang" <yang.shi@linaro.org> - 2015-11-06 18:40 +0100
              Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Catalin Marinas <catalin.marinas@arm.com> - 2015-11-06 19:00 +0100
                Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option "Shi, Yang" <yang.shi@linaro.org> - 2015-11-06 19:00 +0100
                Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Catalin Marinas <catalin.marinas@arm.com> - 2015-11-09 17:00 +0100
      Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Catalin Marinas <catalin.marinas@arm.com> - 2015-11-06 17:30 +0100
    Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Catalin Marinas <catalin.marinas@arm.com> - 2015-11-06 17:20 +0100
      Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option Will Deacon <will.deacon@arm.com> - 2015-11-06 17:20 +0100

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