linux-kernel - Re: [RFC PATCH 4/5] arm64: smp: move the pen to a header file

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Message-ID: <6018110.XP6YK3PMra@wuerfel>
Date:	Thu, 09 Apr 2015 23:17:48 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Kumar Gala <galak@...eaurora.org>
Cc:	linux-arm-msm@...r.kernel.org,
	Abhimanyu Kapur <abhimany@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	arm@...nel.org, catalin.marinas@....com, will.deacon@....com
Subject: Re: [RFC PATCH 4/5] arm64: smp: move the pen to a header file

On Thursday 09 April 2015 12:37:10 Kumar Gala wrote:
> From: Abhimanyu Kapur <abhimany@...eaurora.org>
> 
> Move the secondary_pen_release variable and the secondary_holding_pen
> entry function to asm/smp_plat.h so that the other cpu ops implementations
> can share them.
> 
> Signed-off-by: Abhimanyu Kapur <abhimany@...eaurora.org>
> Signed-off-by: Kumar Gala <galak@...eaurora.org>
> 

I don't believe your SMP implementation can be so broken to require this.
Please fix the code instead to not use a holding pen.

	Arnd
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