linux-kernel - Re: [PATCH] trivial treewide: Convert dev_set_uevent

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Date:   Thu, 01 Sep 2016 17:51:56 -0700
From:   Joe Perches <joe@...ches.com>
To:     Bart Van Assche <Bart.VanAssche@...disk.com>,
        Jens Axboe <axboe@...nel.dk>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Sebastian Ott <sebott@...ux.vnet.ibm.com>,
        Peter Oberparleiter <oberpar@...ux.vnet.ibm.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Jiri Kosina <trivial@...nel.org>
Cc:     Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH] trivial treewide: Convert dev_set_uevent_suppress
 argument to bool

On Fri, 2016-09-02 at 00:47 +0000, Bart Van Assche wrote:
> On 09/01/16 13:11, Joe Perches wrote:
> > 
> > Assigning an int to a bitfield:1 can lose precision.
> > Change the caller argument uses from 1/0 to true/false.
> Hello Joe,

Hi Bart.

> Can you clarify how assigning 0 or 1 to a one-bit bitfield can cause a 
> loss of precision?

There are no existing defects.

Using 1/0 is not a loss of precision, it's just
changing to use bool avoids potential errors and
promotes consistency.

Other uses of this function already use true/false.