linux-kernel - Re: [PATCH 3.16-stable 82/87] MIPS: ip27: Disable qlge driver in defconfig

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Date:   Mon, 06 Nov 2017 19:08:13 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     stable@...r.kernel.org, Ralf Baechle <ralf@...ux-mips.org>,
        linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
        James Hogan <james.hogan@...tec.com>
Subject: Re: [PATCH 3.16-stable 82/87] MIPS: ip27: Disable qlge driver in
 defconfig

On Fri, 2017-05-05 at 21:47 +0200, Arnd Bergmann wrote:
> Commit c64ebe32d3fc90c52277257d6c9fa7d589877cc2 upstream.
> 
> One of the last remaining failures in kernelci.org is for a gcc bug:
> 
> drivers/net/ethernet/qlogic/qlge/qlge_main.c:4819:1: error: insn does not satisfy its constraints:
> drivers/net/ethernet/qlogic/qlge/qlge_main.c:4819:1: internal compiler error: in extract_constrain_insn, at recog.c:2190
> 
> This is apparently broken in gcc-6 but fixed in gcc-7, and I cannot
> reproduce the problem here. However, it is clear that ip27_defconfig
> does not actually need this driver as the platform has only PCI-X but
> not PCIe, and the qlge adapter in turn is PCIe-only.

You could disable CONFIG_SFC here as well, since it only supports PCIe
devices.

Ben.

> The driver was originally enabled in 2010 along with lots of other
> drivers.
> 
> Fixes: 59d302b342e5 ("MIPS: IP27: Make defconfig useful again.")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Cc: Ralf Baechle <ralf@...ux-mips.org>
> Cc: linux-mips@...ux-mips.org
> Cc: linux-kernel@...r.kernel.org
> Patchwork: https://patchwork.linux-mips.org/patch/15197/
> Signed-off-by: James Hogan <james.hogan@...tec.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/mips/configs/ip27_defconfig | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/mips/configs/ip27_defconfig b/arch/mips/configs/ip27_defconfig
> index 0e36abcd39cc..7446284dd7b3 100644
> --- a/arch/mips/configs/ip27_defconfig
> +++ b/arch/mips/configs/ip27_defconfig
> @@ -206,7 +206,6 @@ CONFIG_MLX4_EN=m
>  # CONFIG_MLX4_DEBUG is not set
>  CONFIG_TEHUTI=m
>  CONFIG_BNX2X=m
> -CONFIG_QLGE=m
>  CONFIG_SFC=m
>  CONFIG_BE2NET=m
>  CONFIG_LIBERTAS_THINFIRM=m
-- 
Ben Hutchings
It is a miracle that curiosity survives formal education. - Albert
Einstein


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