linux-kernel - Re: [PATCH V2] sparse: Allow override of sizeof(bool) warning

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Message-ID: <faa9e231-d561-417b-8b8b-95192cb0e56a@email.android.com>
Date:	Thu, 27 Feb 2014 12:26:14 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Christopher Li <sparse@...isli.org>
CC:	Ben Pfaff <blp@...ira.com>, Joe Perches <joe@...ches.com>,
	Josh Triplett <josh@...htriplett.org>,
	Linux-Sparse <linux-sparse@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2] sparse: Allow override of sizeof(bool) warning

I would.

On February 27, 2014 12:22:45 PM PST, Christopher Li <sparse@...isli.org> wrote:
>On Wed, Feb 26, 2014 at 8:32 PM, H. Peter Anvin <hpa@...or.com> wrote:
>>
>> Quite frankly, this is silly in my opinion, *and* it is not
>guaranteed
>> by C either (read about "trap representations").
>>>
>> Anything that moves data around in a generic fashion.  It can be as
>> simple as:
>>
>>         memcpy(foo, bar, sizeof *foo);
>
>OK. I get it nobody wants a sizeof(_Bool) warning.
>
>I am going to apply this patch.
>
>Should we change the default to off then?
>
>Thanks.
>
>Chris

-- 
Sent from my mobile phone.  Please pardon brevity and lack of formatting.
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