linux-kernel - Re: [PATCH][next] printk: reduce LOG_BUF

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Message-ID: <20200812173901.54708d9a@oasis.local.home>
Date:   Wed, 12 Aug 2020 17:39:01 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] printk: reduce LOG_BUF_SHIFT range for H8300

On Wed, 12 Aug 2020 09:37:22 +0206
John Ogness <john.ogness@...utronix.de> wrote:

> The .bss section for the h8300 is relatively small. A value of
> CONFIG_LOG_BUF_SHIFT that is larger than 19 will create a static
> printk ringbuffer that is too large. Limit the range appropriately
> for the H8300.
> 
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

Acked-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve