Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not neccessary inside kernel

From	Joe Perches <joe@perches.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not neccessary inside kernel
Date	2016-10-06 00:30 +0200
Message-ID	<sp2Rj-8d2-1@gated-at.bofh.it> (permalink)
References	(1 earlier) <soSoV-ft-7@gated-at.bofh.it> <soYE1-4tz-1@gated-at.bofh.it> <soZTs-5Rt-29@gated-at.bofh.it> <soZTs-5Rt-31@gated-at.bofh.it> <sp2HD-89L-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, 2016-10-06 at 00:13 +0200, Pavel Machek wrote:
> On Wed 2016-10-05 12:15:34, Joe Perches wrote:
> > On Wed, 2016-10-05 at 21:11 +0200, Pavel Machek wrote:
> > > On Wed 2016-10-05 10:53:16, Joe Perches wrote:
[]
> > > > trivia:
> > > > It's generally faster to use bool instead of u8 foo:1;
> > > Ok, but I'm not changing that in this patch.
> > > (And actually, bool will take a lot more memory, right?)
> > No worries, and bool is the same size as u8.
> Exactly what I'm talking about :-). One byte vs. one bit, right?

Memory isn't bit addressable.
So it's the same byte, it just doesn't use a read/modify/write
operation to update a value.

Thread

[PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Pavel Machek <pavel@ucw.cz> - 2016-10-03 11:00 +0200
  Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Marcel Holtmann <marcel@holtmann.org> - 2016-10-05 13:20 +0200
    Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-05 20:00 +0200
      Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Pavel Machek <pavel@ucw.cz> - 2016-10-05 21:20 +0200
        Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-05 21:20 +0200
          Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Pavel Machek <pavel@ucw.cz> - 2016-10-06 00:20 +0200
            Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-06 00:30 +0200
              Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Pavel Machek <pavel@ucw.cz> - 2016-10-06 09:10 +0200
                Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-06 09:10 +0200
                Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Johan Hedberg <johan.hedberg@gmail.com> - 2016-10-06 10:40 +0200
          RE: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel David Laight <David.Laight@ACULAB.COM> - 2016-10-06 11:50 +0200
            Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-06 13:40 +0200
              RE: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel David Laight <David.Laight@ACULAB.COM> - 2016-10-06 15:10 +0200
                Re: [PATCH] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Joe Perches <joe@perches.com> - 2016-10-06 17:50 +0200
  [PATCHv2] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Pavel Machek <pavel@ucw.cz> - 2016-10-05 23:00 +0200
    Re: [PATCHv2] bluetooth.h: __ variants of u8 and friends are not  neccessary inside kernel Marcel Holtmann <marcel@holtmann.org> - 2016-10-06 00:00 +0200

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