linux-kernel - Re: [PATCH] arm64: remove redundant FRAME

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Message-ID: <20151106173558.GC7637@e104818-lin.cambridge.arm.com>
Date:	Fri, 6 Nov 2015 17:35:58 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	"Shi, Yang" <yang.shi@...aro.org>
Cc:	Will Deacon <will.deacon@....com>,
	Mark Rutland <mark.rutland@....com>,
	linaro-kernel@...ts.linaro.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: remove redundant FRAME_POINTER kconfig option

On Fri, Nov 06, 2015 at 09:23:38AM -0800, Shi, Yang wrote:
> On 11/6/2015 8:25 AM, Will Deacon wrote:
> >However, the patch would allow one to
> >disable FRAME_POINTERS (not sure it has any effect on the aarch64 gcc
> >though).
> 
> No, it doesn't. Actually, FRAME_POINTER could be disabled regardless of the
> patch.

In which case I suggest that we always select it just as a clearer
statement that the feature cannot be disabled (and you never know what
the compiler people decide to do in the future).

-- 
Catalin
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