linux-kernel - Re: [PATCH] MIPS: BCM63XX: Use BUG_ON instead of condition followed by BUG.

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Message-ID: <20210426130005.GA9176@alpha.franken.de>
Date:   Mon, 26 Apr 2021 15:00:05 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     zhouchuangao <zhouchuangao@...o.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list@...adcom.com, linux-mips@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] MIPS: BCM63XX: Use BUG_ON instead of condition followed
 by BUG.

On Sat, Apr 24, 2021 at 08:59:50AM -0700, zhouchuangao wrote:
> BUG_ON uses unlikely in if(), it can be optimized at compile time.
> 
> Usually, the condition in if() is not satisfied. In my opinion,
> this can improve the efficiency of the multi-stage pipeline.
> 
> Signed-off-by: zhouchuangao <zhouchuangao@...o.com>
> ---
>  arch/mips/bcm63xx/gpio.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)

applied to mips-next.

Thomas.

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