linux-kernel - Re: [PATCH] sched: use unsigned int for one-bit bitfield in sched_dl

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Message-ID: <CADvbK_fX9pGSqRQy7XfJ_3Uyzgx=NMiSvLg=iO7AUh1JJaDD6g@mail.gmail.com>
Date:   Fri, 17 Nov 2017 16:36:03 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     Luca Abeni <luca.abeni@...tannapisa.it>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] sched: use unsigned int for one-bit bitfield in sched_dl_entity

On Fri, Nov 17, 2017 at 4:20 PM, Luca Abeni <luca.abeni@...tannapisa.it> wrote:
> Hi,
>
> On Fri, 17 Nov 2017 14:50:11 +0800
> Xin Long <lucien.xin@...il.com> wrote:
>
>> This patch is to fix the 'dubious one-bit signed bitfield' error reported
>> by sparse, when using 'make C=2'.
>>
>> Fixes: 799ba82de01e ("sched/deadline: Use C bitfields for the state flags")
>> Signed-off-by: Xin Long <lucien.xin@...il.com>
>
> I think this is very similar to patches already sent by Dan Carpenter
> and Matthew Wilcox. As for the previous patches, I think the change is
> ok.
okay then, just drop this one. Thanks for your reply.