linux-kernel - Re: [PATCH v2] arm64: mm: Fix dead assignment of old

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Message-ID: <20190703091712.h6l6yba7ciuv4tin@willie-the-truck>
Date:   Wed, 3 Jul 2019 10:17:13 +0100
From:   Will Deacon <will@...nel.org>
To:     Nathan Huckleberry <nhuck@...gle.com>
Cc:     catalin.marinas@....com, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, clang-built-linux@...glegroups.com
Subject: Re: [PATCH v2] arm64: mm: Fix dead assignment of old_pte

On Tue, Jul 02, 2019 at 04:41:35PM -0700, Nathan Huckleberry wrote:
> When analyzed with the clang static analyzer the
> following warning occurs
> 
> line 251, column 2
> Value stored to 'old_pte' is never read
> 
> This warning is repeated every time pgtable.h is
> included by another file and produces ~3500
> extra warnings.

Does this warning actually trigger with linux-next?

Will