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Date: Fri, 9 Feb 2018 17:16:04 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Dave Young <dyoung@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
        Petr Mladek <pmladek@suse.com>, linux-kernel@vger.kernel.org,
        akpm@linux-foundation.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH] printk: move dump stack related code to lib/dump_stack.c
Message-ID: <20180209081604.GE689@jagdpanzerIV>
References: <20180209080624.GA2607@dhcp-128-65.nay.redhat.com>
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Hi,

On (02/09/18 16:06), Dave Young wrote:
[..]
> +void __init dump_stack_set_arch_desc(const char *fmt, ...)
..
> +void dump_stack_print_info(const char *log_lvl)
..
> +void show_regs_print_info(const char *log_lvl)
..

Seems that those functions are still defined in printk header.
Did you test !CONFIG_PRINTK build?

	-ss