linux-kernel - Re: stable-rc/linux-4.4.y build: 178 builds: 3 failed, 175 passed, 3 errors, 3 warnings (v4.4.105-33-g60c2da397c68)

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Date:   Tue, 12 Dec 2017 11:14:36 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     "kernelci.org bot" <bot@...nelci.org>
Cc:     Kernel Build Reports Mailman List 
        <kernel-build-reports@...ts.linaro.org>,
        "# 4.4.x" <stable@...r.kernel.org>,
        gregkh <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: stable-rc/linux-4.4.y build: 178 builds: 3 failed, 175 passed, 3
 errors, 3 warnings (v4.4.105-33-g60c2da397c68)

On Tue, Dec 12, 2017 at 12:38 AM, kernelci.org bot <bot@...nelci.org> wrote:
> Build Failures Detected:
>
>
> Errors and Warnings Detected:
>
> arm64: gcc version 5.3.1 20160412 (Linaro GCC 5.3-2016.05)
> defconfig 1 error 1 warning
> arm: gcc version 5.3.1 20160412 (Linaro GCC 5.3-2016.05)
> exynos_defconfig 1 error 1 warning
> multi_v7_defconfig 1 error 1 warning
> Errors summary:
> 2 drivers/gpu/drm/exynos/exynos_drm_gem.c:254:3: error: implicit declaration of function 'DRM_WARN' [-Werror=implicit-function-declaration]

Backporting commit 120a264f9c27 ("drm/exynos: gem: Drop NONCONTIG flag
for buffers
allocated without IOMMU") depends on commit

30b0da8d556e ("drm: extra printk() wrapper macros")

which was merged into linux-4.9.

> 1 drivers/firmware/efi/esrt.c:445:2: error: implicit declaration of function 'memunmap' [-Werror=implicit-function-declaration]

Backporting commit 89c5a2d34bda ("efi/esrt: Use memunmap() instead of kfree() to
free the remapping") depends on commit

f58a37b2e01f ("efi/esrt: Use memremap not ioremap to access ESRT table
in memory")

which was also merged into linux-4.9. To backport those to into
kernels earlier than v4.3,
you'd also need commit 92281dee825f ("arch: introduce memremap()"),
which is probably
too invasive to backport.

      Arnd