linux-kernel - Re: [PATCH] kernel.h: Add for_each

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Date:   Wed, 11 Jul 2018 16:05:47 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Daniel Vetter <daniel@...ll.ch>
Cc:     NeilBrown <neilb@...e.com>, LKML <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Gustavo Padovan <gustavo@...ovan.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        Kees Cook <keescook@...omium.org>,
        Ingo Molnar <mingo@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Wei Wang <wvw@...gle.com>, Stefan Agner <stefan@...er.ch>,
        Andrei Vagin <avagin@...nvz.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Yisheng Xie <ysxie@...mail.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Daniel Vetter <daniel.vetter@...el.com>
Subject: Re: [PATCH] kernel.h: Add for_each_if()

On Wed, 11 Jul 2018 13:51:08 +0200 Daniel Vetter <daniel@...ll.ch> wrote:

> But I still have the situation that a bunch of maintainers acked this
> and Andrew Morton defacto nacked it, which I guess means I'll keep the
> macro in drm? The common way to go about this seems to be to just push
> the patch series with the ack in some pull request to Linus and ignore
> the people who raised questions, but not really my thing.

Heh.

But, am I wrong?  Code which uses regular kernel style doesn't have
these issues.  We shouldn't be enabling irregular style - we should be
making such sites more regular.  The fact that the compiler generates a
nice warning in some cases simply helps us with that.