From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>
Cc: Geoff Levand <geoff@infradead.org>,
Alistair Popple <alistair@popple.id.au>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: powerpc: remove redundant 'default n' from Kconfig-s
Date: Mon, 15 Oct 2018 15:01:04 +1100 (AEDT) [thread overview]
Message-ID: <42YPr06vs2z9sjF@ozlabs.org> (raw)
In-Reply-To: <20181009153948eucas1p14ad8b13d2482dbb9449888d544ddee15~b_uvNkTH03130331303eucas1p1E@eucas1p1.samsung.com>
On Tue, 2018-10-09 at 15:39:46 UTC, Bartlomiej Zolnierkiewicz wrote:
> 'default n' is the default value for any bool or tristate Kconfig
> setting so there is no need to write it explicitly.
>
> Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
> is not set' for visible symbols") the Kconfig behavior is the same
> regardless of 'default n' being present or not:
>
> ...
> One side effect of (and the main motivation for) this change is making
> the following two definitions behave exactly the same:
>
> config FOO
> bool
>
> config FOO
> bool
> default n
>
> With this change, neither of these will generate a
> '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
> That might make it clearer to people that a bare 'default n' is
> redundant.
> ...
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/719736e1cc12b2fc28eba2122893a4
cheers
WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>, Geoff Levand <geoff@infradead.org>,
Alistair Popple <alistair@popple.id.au>,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: powerpc: remove redundant 'default n' from Kconfig-s
Date: Mon, 15 Oct 2018 15:01:04 +1100 (AEDT) [thread overview]
Message-ID: <42YPr06vs2z9sjF@ozlabs.org> (raw)
In-Reply-To: <20181009153948eucas1p14ad8b13d2482dbb9449888d544ddee15~b_uvNkTH03130331303eucas1p1E@eucas1p1.samsung.com>
On Tue, 2018-10-09 at 15:39:46 UTC, Bartlomiej Zolnierkiewicz wrote:
> 'default n' is the default value for any bool or tristate Kconfig
> setting so there is no need to write it explicitly.
>
> Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
> is not set' for visible symbols") the Kconfig behavior is the same
> regardless of 'default n' being present or not:
>
> ...
> One side effect of (and the main motivation for) this change is making
> the following two definitions behave exactly the same:
>
> config FOO
> bool
>
> config FOO
> bool
> default n
>
> With this change, neither of these will generate a
> '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
> That might make it clearer to people that a bare 'default n' is
> redundant.
> ...
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Applied to powerpc next, thanks.
https://git.kernel.org/powerpc/c/719736e1cc12b2fc28eba2122893a4
cheers
next prev parent reply other threads:[~2018-10-15 4:29 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20181009153948eucas1p14ad8b13d2482dbb9449888d544ddee15@eucas1p1.samsung.com>
2018-10-09 15:39 ` [PATCH] powerpc: remove redundant 'default n' from Kconfig-s Bartlomiej Zolnierkiewicz
2018-10-09 15:39 ` Bartlomiej Zolnierkiewicz
2018-10-15 4:01 ` Michael Ellerman [this message]
2018-10-15 4:01 ` Michael Ellerman
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