From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 0/9] introduction of dmesg support
Date: Sat, 15 Dec 2012 00:15:14 +0100 [thread overview]
Message-ID: <20121214231514.GC26326@pengutronix.de> (raw)
In-Reply-To: <20121213163758.GB26483@game.jcrosoft.org>
On Thu, Dec 13, 2012 at 05:37:58PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> HI,
>
> we currently have 2 fifo at comsole level one for input one for output
> we fill the output fifo before any console is registered and then
> empty it
>
> Now we introduce a new mecanism as in the kernel dmesg
>
> we will always fill the output kfifo with drivers output
>
> as in barebox we have 2 world
>
> device/drivers and applicaiotn (commands)
>
> so for now on drivers will have to use pr_xxx and dev_xxx and
> application will use printf
>
> dmesg will print the kfifo at any time
>
> we will extend this later with more control of what the drivers output
> on the console or just in the fifo
>
> This new eature is optionnal if dmes is disable we continue as before
>
Generally I like the idea. Overall I think it's nice to be able to
control the verbosity during runtime.
Sascha
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next prev parent reply other threads:[~2012-12-14 23:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-13 16:37 [PATCH 0/9] introduction of dmesg support Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 1/9] kfifo: introduce kfifo_dump_str to dump the fifo Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 2/9] console: switch to kfifo_dump_str Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 3/9] intoduce dmesg to print the barebox output ring buffer Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 4/9] introduce printk support Jean-Christophe PLAGNIOL-VILLARD
2012-12-14 23:07 ` Sascha Hauer
2012-12-17 7:26 ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 5/9] startup: switch to pr_xxx Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 6/9] console: allow to specify ouput kfifo size via CONSOLE_KFIFO_OUTPUT_SIZE Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 7/9] at91: clock switch to pr_info Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 8/9] meminfo: switch to pr_xxx Jean-Christophe PLAGNIOL-VILLARD
2012-12-13 16:40 ` [PATCH 9/9] dev_printf: switch to pr_info Jean-Christophe PLAGNIOL-VILLARD
2012-12-14 22:49 ` [PATCH 1/9] kfifo: introduce kfifo_dump_str to dump the fifo Sascha Hauer
2012-12-17 7:23 ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-14 23:15 ` Sascha Hauer [this message]
2012-12-17 7:22 ` [PATCH 0/9] introduction of dmesg support Jean-Christophe PLAGNIOL-VILLARD
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