mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: "Daniel Glöckner" <dg@emlix.com>
To: Sascha Hauer <s.hauer@pengutronix.de>,
	Barebox List <barebox@lists.infradead.org>
Cc: Edmund Henniges <eh@emlix.com>
Subject: Re: [PATCH 03/11] Introduce slices
Date: Fri, 8 May 2020 20:01:00 +0200	[thread overview]
Message-ID: <aca473b4-a4ef-1c8e-958f-dcec8044049d@emlix.com> (raw)
In-Reply-To: <20200422075452.25226-4-s.hauer@pengutronix.de>

Hello Sascha,

Am 22.04.20 um 09:54 schrieb Sascha Hauer:
> diff --git a/commands/Kconfig b/commands/Kconfig
> index 7fb47b8fb5..5ff6454427 100644
> --- a/commands/Kconfig
> +++ b/commands/Kconfig
> @@ -269,6 +269,15 @@ config CMD_POLLER
>  	  is_timeout() or one of the various delay functions. The poller command prints
>  	  informations about registered pollers.
>  
> +config CMD_SLICE
> +	tristate
> +	prompt "slice"
> +	depends on SLICE
> +	help
> +	  slices are a way to protect resources from being accessed by pollers. The slice
> +	  command can be used to print informations about slices and also to manipulate
> +	  them on the command line for debugging purposes.
> +
>  # end Information commands
>  endmenu
>  
> diff --git a/common/Kconfig b/common/Kconfig
> index 400c0553cf..bd2aebac75 100644
> --- a/common/Kconfig
> +++ b/common/Kconfig
> @@ -913,6 +913,10 @@ config BAREBOXCRC32_TARGET
>  config POLLER
>  	bool "generic polling infrastructure"
>  
> +config SLICE
> +	depends on POLLER
> +	default y
> +
>  config STATE
>  	bool "generic state infrastructure"
>  	select CRC32
> diff --git a/common/Makefile b/common/Makefile
> index 84463b4d48..16f14db41c 100644
> --- a/common/Makefile
> +++ b/common/Makefile
> @@ -11,6 +11,7 @@ obj-y				+= bootsource.o
>  obj-$(CONFIG_ELF)		+= elf.o
>  obj-y				+= restart.o
>  obj-y				+= poweroff.o
> +obj-y				+= slice.o
>  obj-$(CONFIG_MACHINE_ID)	+= machine_id.o
>  obj-$(CONFIG_AUTO_COMPLETE)	+= complete.o
>  obj-y				+= version.o

the Kconfig logic doesn't make sense to me. slice.o gets built regardless of
CONFIG_SLICE and it will still compile and link when CONFIG_POLLER is disabled.
On the other hand poller.o will fail to link when slice.o is omitted.

I suggest we drop CONFIG_SLICE.

Best regards,

  Daniel


-- 
Dipl.-Math. Daniel Glöckner, emlix GmbH, http://www.emlix.com
Fon +49 551 30664-0, Fax +49 551 30664-11,
Gothaer Platz 3, 37083 Göttingen, Germany
Sitz der Gesellschaft: Göttingen, Amtsgericht Göttingen HR B 3160
Geschäftsführung: Heike Jordan, Dr. Uwe Kracke
Ust-IdNr.: DE 205 198 055

emlix - your embedded linux partner

_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox

  reply	other threads:[~2020-05-08 18:01 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-22  7:54 [PATCH v4 00/11] Protect code from pollers Sascha Hauer
2020-04-22  7:54 ` [PATCH 01/11] poller: Give pollers a name Sascha Hauer
2020-04-22  7:54 ` [PATCH 02/11] poller: Add a poller command Sascha Hauer
2020-04-22  7:54 ` [PATCH 03/11] Introduce slices Sascha Hauer
2020-05-08 18:01   ` Daniel Glöckner [this message]
2020-05-11  6:40     ` Sascha Hauer
2020-04-22  7:54 ` [PATCH 04/11] net: Add a slice to struct eth_device Sascha Hauer
2020-04-22  7:54 ` [PATCH 05/11] net: mdiobus: Add slice Sascha Hauer
2020-04-22  7:54 ` [PATCH 06/11] usb: Add a slice to usb host controllers Sascha Hauer
2020-04-22  7:54 ` [PATCH 07/11] usbnet: Add slice Sascha Hauer
2020-04-22  7:54 ` [PATCH 08/11] net: Call net_poll() in a poller Sascha Hauer
2020-04-22  7:54 ` [PATCH 09/11] net: reply to ping requests Sascha Hauer
2020-04-22  7:54 ` [PATCH 10/11] usbnet: Be more friendly in the receive path Sascha Hauer
2020-04-22  7:54 ` [PATCH 11/11] poller: Allow to run pollers inside of pollers Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aca473b4-a4ef-1c8e-958f-dcec8044049d@emlix.com \
    --to=dg@emlix.com \
    --cc=barebox@lists.infradead.org \
    --cc=eh@emlix.com \
    --cc=s.hauer@pengutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox