linux-kernel - Re: [EXTERNAL] Re: [PATCH 2/2] drm/imagination: avoid -Woverflow warning

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Message-ID: <0ff259983bd8ae6edc434b3375bfea871aa8ed65.camel@imgtec.com>
Date:   Wed, 29 Nov 2023 12:15:31 +0000
From:   Donald Robson <Donald.Robson@...tec.com>
To:     Frank Binns <Frank.Binns@...tec.com>,
        Matt Coster <Matt.Coster@...tec.com>,
        "arnd@...nel.org" <arnd@...nel.org>,
        "arnd@...db.de" <arnd@...db.de>
CC:     "tzimmermann@...e.de" <tzimmermann@...e.de>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "airlied@...il.com" <airlied@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "maarten.lankhorst@...ux.intel.com" 
        <maarten.lankhorst@...ux.intel.com>,
        Sarah Walker <Sarah.Walker@...tec.com>,
        "mripard@...nel.org" <mripard@...nel.org>,
        "daniel@...ll.ch" <daniel@...ll.ch>
Subject: Re: [EXTERNAL] Re: [PATCH 2/2] drm/imagination: avoid -Woverflow
 warning

On Wed, 2023-11-29 at 13:04 +0100, Arnd Bergmann wrote:
> *** CAUTION: This email originates from a source not known to Imagination Technologies. Think before you click a link or open an attachment ***
> 
> On Wed, Nov 29, 2023, at 13:01, Donald Robson wrote:
> > Hello Arnd,
> > 
> > Thanks for the patch.  I'm slightly concerned that we've not seen this 
> > warning when
> > building here.  I guess we need to check our CI settings...
> > 
> > Reviewed-by: Donald Robson <donald.robson@...tec.com>
> 
> This was previously enabled only when building with either
> "make W=1" or "make C=1", but not the default build, which
> explains why it only showed up after the merge into linux-next
> that has the corresponding scripts/Makefile.extrawarn change.
> 
> It would still be a good idea to add the extra compiler (W=1)
> and sparse (C=1) warnings in your CI system and address all
> other issues that might uncover.
> 
>       Arnd

Thanks Arnd, we will do this.