linux-kernel - Re: [PATCH RESEND 2/2] MIPS: fpu: fix conflict of register usage

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Date:	Wed, 12 Mar 2014 16:02:18 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Aaro Koskinen <aaro.koskinen@....fi>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	Ralf Baechle <ralf@...ux-mips.org>
CC:	Paul Burton <paul.burton@...tec.com>,
	Paul Bolle <pebolle@...cali.nl>,
	Huacai Chen <chenhc@...ote.com>, Andreas Barth <aba@...us.org>
Subject: Re: [PATCH RESEND 2/2] MIPS: fpu: fix conflict of register usage

On 03/12/2014 03:41 PM, Aaro Koskinen wrote:
> From: Huacai Chen <chenhc@...ote.com>
>
> In _restore_fp_context/_restore_fp_context32, t0 is used for both
> CP0_Status and CP1_FCSR. This is a mistake and cause FP exeception on
> boot, so fix it.
>
> Signed-off-by: Huacai Chen <chenhc@...ote.com>
> Tested-by: Aaro Koskinen <aaro.koskinen@....fi>
> Tested-by: Andreas Barth <aba@...us.org>
> Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>

With qemu-system-mips64:

Tested-by: Guenter Roeck <linux@...ck-us.net>


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