linux-kernel - Re: [PATCH v3] drm/i915: Disable some extra clang warnings

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Message-ID: <152525436760.32109.17749926643981003077@mail.alporthouse.com>
Date:   Wed, 02 May 2018 10:46:07 +0100
From:   Chris Wilson <chris@...is-wilson.co.uk>
To:     Matthias Kaehlcke <mka@...omium.org>,
        "Jani Nikula" <jani.nikula@...ux.intel.com>,
        "Rodrigo Vivi" <rodrigo.vivi@...el.com>,
        "David Airlie" <airlied@...ux.ie>
Cc:     intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        "Guenter Roeck" <groeck@...omium.org>,
        "Matthias Kaehlcke" <mka@...omium.org>
Subject: Re: [PATCH v3] drm/i915: Disable some extra clang warnings

Quoting Matthias Kaehlcke (2018-05-01 19:24:40)
> Commit 39bf4de89ff7 ("drm/i915: Add -Wall -Wextra to our build, set
> warnings to full") enabled extra warnings for i915 to spot possible
> bugs in new code, and then disabled a subset of these warnings to keep
> the current code building without warnings (with gcc). Enabling the
> extra warnings also enabled some additional clang-only warnings, as a
> result building i915 with clang currently is extremely noisy. For now
> also disable the clang warnings sign-compare, sometimes-uninitialized,
> unneeded-internal-declaration and initializer-overrides. If desired
> they can be re-enabled after the code has been fixed.
> 
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
Reviewed-by: Chris Wilson <chris@...is-wilson.co.uk>
-Chris