linux-kernel - Re: [PATCH v2 12/22] arm64: Delay cpu feature checks

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Date:	Tue, 6 Oct 2015 12:09:23 +0100
From:	"Suzuki K. Poulose" <Suzuki.Poulose@....com>
To:	kbuild test robot <lkp@...el.com>
Cc:	kbuild-all@...org, linux-arm-kernel@...ts.infradead.org,
	marc.zyngier@....com, will.deacon@....com, mark.rutland@....com,
	catalin.marinas@....com, steve.capper@...aro.org,
	linux-kernel@...r.kernel.org, andre.przywara@....com,
	dave.martin@....com, Vladimir.Murzin@....com, james.morse@....com,
	ard.biesheuvel@...aro.org, edward.nevill@...aro.org, aph@...hat.com
Subject: Re: [PATCH v2 12/22] arm64: Delay cpu feature checks

On 06/10/15 05:41, kbuild test robot wrote:
> Hi Suzuki,
>
> [auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]
>
> config: arm64-alldefconfig (attached as .config)
> reproduce:
>          wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>          chmod +x ~/bin/make.cross
>          # save the attached .config to linux build tree
>          make.cross ARCH=arm64
>
> Note: the linux-review/Suzuki-K-Poulose/arm64-Consolidate-CPU-feature-handling HEAD bfdef3a10032e84cc7ae186a058443219f110679 builds fine.
>        It only hurts bisectibility.
>
> All errors (new ones prefixed by >>):
>
>     arch/arm64/kernel/cpufeature.c: In function 'cpu_enable_features':
>>> arch/arm64/kernel/cpufeature.c:733:52: error: 'const struct arm64_cpu_capabilities' has no member named 'sys_reg'
>        if(!cpus_have_cap(caps[i].capability) || !caps[i].sys_reg)
>                                                         ^
>     arch/arm64/kernel/cpufeature.c:739:47: error: 'const struct arm64_cpu_capabilities' has no member named 'sys_reg'
>        if (!feature_matches(read_cpu_sysreg(caps[i].sys_reg), &caps[i]))
>                                                    ^

That was a mistake in rebase/reordering of patches. Have fixed it internally, will include
it in the next version

Thanks @kbuild-test-robot for the report

Suzuki

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