linux-kernel - Re: [PATCH RESEND] lockdep: Move list.h inclusion into lockdep.h

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Message-ID: <20200716083049.GA6771@willie-the-truck>
Date:   Thu, 16 Jul 2020 09:30:49 +0100
From:   Will Deacon <will@...nel.org>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        linux-s390@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH RESEND] lockdep: Move list.h inclusion into lockdep.h

On Thu, Jul 16, 2020 at 04:36:50PM +1000, Herbert Xu wrote:
> Currently lockdep_types.h includes list.h without actually using any
> of its macros or functions.  All it needs are the type definitions
> which were moved into types.h long ago.  This potentially causes
> inclusion loops because both are included by many core header
> files.
> 
> This patch moves the list.h inclusion into lockdep.h.  Note that
> we could probably remove it completely but that could potentially
> result in compile failures should any end users not include list.h
> directly and also be unlucky enough to not get list.h via some other
> header file.
> 
> Reported-by: Petr Mladek <pmladek@...e.com>
> Tested-by: Petr Mladek <pmladek@...e.com>
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Acked-by: Will Deacon <will@...nel.org>

Will