linux-kernel - Re: [RFC][PATCH 1/6] printk: move printk

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Date:   Mon, 18 Jun 2018 15:27:31 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [RFC][PATCH 1/6] printk: move printk_safe macros to printk header

On (06/15/18 18:39), Sergey Senozhatsky wrote:
> Make printk_safe_enter_irqsave()/etc macros available to the
> rest of the kernel, so we can use them in TTY and UART code.

Sorry, this patch is incomplete. Since we are going to use printk_safe()
API in modules (serial console drivers) printk_safe() functions [enter and
exit] must be exported via EXPORT_SYMBOL_GPL().

	-ss