linux-kernel - Re: [PATCH RT 1/2] x86/kconfig: Fall back to ticket spinlocks

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Date:   Tue, 30 Oct 2018 00:12:45 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     Daniel Wagner <wagi@...om.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        linux-rt-users <linux-rt-users@...r.kernel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Carsten Emde <C.Emde@...dl.org>,
        John Kacur <jkacur@...hat.com>,
        Daniel Wagner <daniel.wagner@...mens.com>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Julia Cartwright <julia@...com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH RT 1/2] x86/kconfig: Fall back to ticket spinlocks

On 2018-10-29 21:16:16 [+0100], Daniel Wagner wrote:
> From: Daniel Wagner <daniel.wagner@...mens.com>
> 
> v4.4.162-rt176-rc1 stable review patch.
> If anyone has any objections, please let me know.

I though that we are going to route this via Greg/stable for v4.4?

> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -42,7 +42,6 @@ config X86
>  	select ARCH_USE_BUILTIN_BSWAP
>  	select ARCH_USE_CMPXCHG_LOCKREF		if X86_64
>  	select ARCH_USE_QUEUED_RWLOCKS
> -	select ARCH_USE_QUEUED_SPINLOCKS
>  	select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
>  	select ARCH_WANTS_DYNAMIC_TASK_STRUCT
>  	select ARCH_WANT_FRAME_POINTERS
> -- 
> 2.14.4