linux-kernel - Re: [RFC PATCH 1/6] thread_info: Add update_thread

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Message-ID: <20180523120103.GD26965@arm.com>
Date:   Wed, 23 May 2018 13:01:05 +0100
From:   Will Deacon <will.deacon@....com>
To:     Dave Martin <Dave.Martin@....com>
Cc:     linux-kernel@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        "David S. Miller" <davem@...emloft.net>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Oleg Nesterov <oleg@...hat.com>, linux-arch@...r.kernel.org
Subject: Re: [RFC PATCH 1/6] thread_info: Add update_thread_flag() helpers

On Thu, Apr 19, 2018 at 11:58:43AM +0100, Dave Martin wrote:
> There are a number of bits of code sprinkled around the kernel to
> set a thread flag if a certain condition is true, and clear it
> otherwise.
> 
> To help make those call sites terser and less cumbersome, this
> patch adds a new family of thread flag manipulators
> 
> 	update*_thread_flag([...,] flag, cond)
> 
> which do the equivalent of:
> 
> 	if (cond)
> 		set*_thread_flag([...,] flag);
> 	else
> 		clear*_thread_flag([...,] flag);
> 
> Signed-off-by: Dave Martin <Dave.Martin@....com>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Oleg Nesterov <oleg@...hat.com>
> ---

Looks sensible to me:

Acked-by: Will Deacon <will.deacon@....com>

Will