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Date:   Mon, 24 Jun 2019 17:27:43 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Phong Tran <tranmanphong@gmail.com>
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Subject: Re: [PATCH V2 00/15] cleanup cppcheck signed shifting errors
Message-ID: <20190624152743.GG3436@hirez.programming.kicks-ass.net>
References: <20190623151313.970-1-tranmanphong@gmail.com>
 <20190624135105.15579-1-tranmanphong@gmail.com>
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On Mon, Jun 24, 2019 at 08:50:50PM +0700, Phong Tran wrote:
> There are errors with cppcheck 
> 
> "Shifting signed 32-bit value by 31 bits is undefined behaviour errors"

As I've already told you; your checker is bad. That is not in face
undefined behaviour in the kernel.

That's not to say you shouldn't clean up the code, but don't give broken
checkout output as a reason.