linux-kernel - Re: [PATCH 1/3] sparc64: use generic rwsem spinlocks rt

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Message-ID: <52AED56B.2090102@linutronix.de>
Date:	Mon, 16 Dec 2013 11:26:51 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Allen Pais <allen.pais@...cle.com>
CC:	linux-kernel@...r.kernel.org, sparclinux@...r.kernel.org
Subject: Re: [PATCH 1/3] sparc64: use generic rwsem spinlocks rt

On 12/16/2013 05:07 AM, Allen Pais wrote:
> --- a/arch/sparc/Kconfig
> +++ b/arch/sparc/Kconfig
> @@ -179,12 +179,10 @@ config NR_CPUS
>  source kernel/Kconfig.hz
>  
>  config RWSEM_GENERIC_SPINLOCK
> -	bool
> -	default y if SPARC32
> +	def_bool PREEMPT_RT_FULL
>  
>  config RWSEM_XCHGADD_ALGORITHM
> -	bool
> -	default y if SPARC64
> +	def_bool !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
>  
>  config GENERIC_HWEIGHT
>  	bool


davem won't apply this because the PREEMPT_RT symbol is not available
upstream. I referred to patch two+.

Sebastian
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