linux-kernel - Re: [PATCH] init: Remove CONFIG_INIT

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Message-ID: <CALCETrWyphjjZfUsdgcYLepSF43pZMc2ECo-YoTt+by1bSH3wg@mail.gmail.com>
Date:	Mon, 20 Oct 2014 21:02:02 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Rob Landley <rob@...dley.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Josh Triplett <josh@...htriplett.org>,
	Frank Rowand <frowand.list@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Chuck Ebbert <cebbert.lkml@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Shuah Khan <shuah.kh@...sung.com>
Subject: Re: [PATCH] init: Remove CONFIG_INIT_FALLBACK

On Mon, Oct 20, 2014 at 8:45 PM, Rob Landley <rob@...dley.net> wrote:
> On 10/20/14 17:04, Andy Lutomirski wrote:
>> --- a/init/main.c
>> +++ b/init/main.c
>> @@ -960,13 +960,8 @@ static int __ref kernel_init(void *unused)
>>               ret = run_init_process(execute_command);
>>               if (!ret)
>>                       return 0;
>> -#ifndef CONFIG_INIT_FALLBACK
>>               panic("Requested init %s failed (error %d).",
>>                     execute_command, ret);
>> -#else
>> -             pr_err("Failed to execute %s (error %d).  Attempting defaults...\n",
>> -                    execute_command, ret);
>> -#endif
>>       }
>>       if (!try_to_run_init_process("/sbin/init") ||
>>           !try_to_run_init_process("/etc/init") ||
>>
>
> Would you like to remove the try_to_run_init_process() stack of random
> hardwired names that we can never reach if we panic, or do you just want
> to remove the error message?
>

I'm confused.  That code is reachable if there's no initramfs and
init= is not specified.

--Andy

> Confused,
>
> Rob



-- 
Andy Lutomirski
AMA Capital Management, LLC
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