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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Huacai Chen <chenhc@lemote.com>
Cc: linux-mips@vger.kernel.org, Fuxin Zhang <zhangfx@lemote.com>,
	Huacai Chen <chenhuacai@gmail.com>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>
Subject: Re: [PATCH V7 1/3] MIPS: context switch: Use save/restore instead of set/clear for Status.CU2
Date: Mon, 21 Sep 2020 22:24:21 +0200	[thread overview]
Message-ID: <20200921202421.GB29322@alpha.franken.de> (raw)
In-Reply-To: <1600679548-29154-1-git-send-email-chenhc@lemote.com>

On Mon, Sep 21, 2020 at 05:12:26PM +0800, Huacai Chen wrote:
> Some processors (such as Loongson-3) need to enable CU2 in kernel mode,
> current set/clear method will lose Status.CU2 during context switching,
> so use save/restore method instead.
> 
> Signed-off-by: Huacai Chen <chenhc@lemote.com>
> ---
>  arch/mips/include/asm/switch_to.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

applied patches 1-3 to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

      parent reply	other threads:[~2020-09-21 21:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-21  9:12 [PATCH V7 1/3] MIPS: context switch: Use save/restore instead of set/clear for Status.CU2 Huacai Chen
2020-09-21  9:12 ` [PATCH V7 2/3] MIPS: Loongson-3: Enable COP2 usage in kernel Huacai Chen
2020-09-21 12:15   ` Thomas Bogendoerfer
2020-09-23  9:44     ` Jiaxun Yang
2020-09-24 13:53       ` Thomas Bogendoerfer
2020-09-21  9:12 ` [PATCH V7 3/3] MIPS: Loongson-3: Calculate ra properly when unwinding the stack Huacai Chen
2020-09-21 20:24 ` Thomas Bogendoerfer [this message]

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