linux-kernel - Re: [PATCH 4.4 27/32] MIPS: Force o32 fp64 support on 32bit MIPS64r6 kernels

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Message-ID: <alpine.LFD.2.20.1704150040420.29296@eddie.linux-mips.org>
Date:   Sat, 15 Apr 2017 00:45:42 +0100 (BST)
From:   "Maciej W. Rozycki" <macro@...ux-mips.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        James Hogan <james.hogan@...tec.com>,
        Paul Burton <paul.burton@...tec.com>,
        Ralf Baechle <ralf@...ux-mips.org>, linux-mips@...ux-mips.org
Subject: Re: [PATCH 4.4 27/32] MIPS: Force o32 fp64 support on 32bit MIPS64r6
 kernels

On Mon, 10 Apr 2017, Greg Kroah-Hartman wrote:

> Force o32 fp64 support in this case by also selecting
> MIPS_O32_FP64_SUPPORT from CPU_MIPS64_R6 if 32BIT.
[...]
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -1412,7 +1412,7 @@ config CPU_MIPS32_R6
>  	select CPU_SUPPORTS_MSA
>  	select GENERIC_CSUM
>  	select HAVE_KVM
> -	select MIPS_O32_FP64_SUPPORT
> +	select MIPS_O32_FP64_SUPPORT if 32BIT
>  	help
>  	  Choose this option to build a kernel for release 6 or later of the
>  	  MIPS32 architecture.  New MIPS processors, starting with the Warrior

 Has the patch been misapplied?  Its description refers to CPU_MIPS64_R6, 
however the hunk heading in the diff itself indicates CPU_MIPS32_R6.

  Maciej