From: Daniel Walker <danielwa@cisco.com>
To: Rob Herring <robh@kernel.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
will@kernel.org, daniel@gimpelevich.san-francisco.ca.us,
arnd@kernel.org, akpm@linux-foundation.org,
linux-arch@vger.kernel.org, devicetree@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
microblaze <monstr@monstr.eu>,
linux-mips@vger.kernel.org, nios2 <ley.foon.tan@intel.com>,
openrisc@lists.librecores.org, linux-hexagon@vger.kernel.org,
linux-riscv@lists.infradead.org, x86@kernel.org,
linux-xtensa@linux-xtensa.org, linux-sh@vger.kernel.org,
sparclinux@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v4 19/20] mips: Convert to GENERIC_CMDLINE
Date: Thu, 8 Apr 2021 18:23:49 -0700 [thread overview]
Message-ID: <20210409012349.GG3981976@zorba> (raw)
In-Reply-To: <20210408190408.GA1724284@robh.at.kernel.org>
On Thu, Apr 08, 2021 at 02:04:08PM -0500, Rob Herring wrote:
> On Tue, Apr 06, 2021 at 10:38:36AM -0700, Daniel Walker wrote:
> > On Fri, Apr 02, 2021 at 03:18:21PM +0000, Christophe Leroy wrote:
> > > -config CMDLINE_BOOL
> > > - bool "Built-in kernel command line"
> > > - help
> > > - For most systems, it is firmware or second stage bootloader that
> > > - by default specifies the kernel command line options. However,
> > > - it might be necessary or advantageous to either override the
> > > - default kernel command line or add a few extra options to it.
> > > - For such cases, this option allows you to hardcode your own
> > > - command line options directly into the kernel. For that, you
> > > - should choose 'Y' here, and fill in the extra boot arguments
> > > - in CONFIG_CMDLINE.
> > > -
> > > - The built-in options will be concatenated to the default command
> > > - line if CMDLINE_OVERRIDE is set to 'N'. Otherwise, the default
> > > - command line will be ignored and replaced by the built-in string.
> > > -
> > > - Most MIPS systems will normally expect 'N' here and rely upon
> > > - the command line from the firmware or the second-stage bootloader.
> > > -
> >
> >
> > See how you complained that I have CMDLINE_BOOL in my changed, and you think it
> > shouldn't exist.
> >
> > Yet here mips has it, and you just deleted it with no feature parity in your
> > changes for this.
>
> AFAICT, CMDLINE_BOOL equates to a non-empty or empty CONFIG_CMDLINE. You
> seem to need it just because you have CMDLINE_PREPEND and
> CMDLINE_APPEND. If that's not it, what feature is missing? CMDLINE_BOOL
> is not a feature, but an implementation detail.
Not true.
It makes it easier to turn it all off inside the Kconfig , so it's for usability
and multiple architecture have it even with just CMDLINE as I was commenting
here.
Daniel
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2021-04-09 1:24 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-02 15:18 [PATCH v4 00/20] Implement GENERIC_CMDLINE Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 01/20] cmdline: Add generic function to build command line Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 02/20] drivers: of: use cmdline building function Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 03/20] x86/efi: Replace CONFIG_CMDLINE_OVERRIDE by CONFIG_CMDLINE_FORCE Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 04/20] drivers: firmware: efi: use cmdline building function Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 05/20] cmdline: Gives architectures opportunity to use generically defined boot cmdline manipulation Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 06/20] powerpc: convert strcpy to strlcpy in prom_init Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 07/20] powerpc: Convert to GENERIC_CMDLINE Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 08/20] arm: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 09/20] arm64: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 10/20] hexagon: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 11/20] microblaze: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 12/20] nios2: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 13/20] openrisc: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 14/20] riscv: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 15/20] sh: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 16/20] sparc: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 17/20] xtensa: " Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 18/20] x86: " Christophe Leroy
2021-04-08 19:41 ` Rob Herring
2021-04-09 10:20 ` Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 19/20] mips: " Christophe Leroy
2021-04-06 17:38 ` Daniel Walker
2021-04-08 19:04 ` Rob Herring
2021-04-09 1:23 ` Daniel Walker [this message]
2021-04-20 16:05 ` Christophe Leroy
2021-04-02 15:18 ` [PATCH v4 20/20] cmdline: Remove CONFIG_CMDLINE_EXTEND Christophe Leroy
2021-04-06 16:56 ` [PATCH v4 00/20] Implement GENERIC_CMDLINE Daniel Walker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210409012349.GG3981976@zorba \
--to=danielwa@cisco.com \
--cc=akpm@linux-foundation.org \
--cc=arnd@kernel.org \
--cc=christophe.leroy@csgroup.eu \
--cc=daniel@gimpelevich.san-francisco.ca.us \
--cc=devicetree@vger.kernel.org \
--cc=ley.foon.tan@intel.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-hexagon@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-sh@vger.kernel.org \
--cc=linux-xtensa@linux-xtensa.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=monstr@monstr.eu \
--cc=openrisc@lists.librecores.org \
--cc=robh@kernel.org \
--cc=sparclinux@vger.kernel.org \
--cc=will@kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).