linux-kernel - Re: [PATCH v11 4/5] x86/earlyprintk: setup earlyprintk as early as possible

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Message-ID: <CANCZXo7r+7hP+wGGmtdnWnvZ8zWKn8VtkX4hYiEx7VdD2EAgTQ@mail.gmail.com>
Date:	Wed, 10 Jun 2015 00:00:43 +0600
From:	Alexander Kuleshov <kuleshovmail@...il.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Borislav Petkov <bp@...e.de>,
	Mark Rustad <mark.d.rustad@...el.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: Re: [PATCH v11 4/5] x86/earlyprintk: setup earlyprintk as early as possible

2015-06-09 23:00 GMT+06:00 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>:
>
> I'm still not convincing by this code to be in that form and here. What
> about to refactor setup_early_printk() to helper which will do parse
> parameters to a let say structure where one of the flag will be
> struct early_printk_param {
> …
> const char *arg;
> bool serial;
> }
>
> Your function will be something like this
>
> struct early_printk_param epp;
>
> parse_early_printk_param(&epp);
>
> if (!epp->serial)
>  return /* whatever error code */;
>
> return setup_early_printk(epp.arg);
>

Hello Andy,

But what is difference between parsing to string and
passing it and parsing to structure and pass its field?

Thank you.
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