linux-kernel - Re: [PATCH 1/2] ion: Don't allow building ION as a module.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20131214214820.GA26981@kroah.com>
Date:	Sat, 14 Dec 2013 13:48:20 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	John Stultz <john.stultz@...aro.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Android Kernel Team <kernel-team@...roid.com>,
	Sumit Semwal <sumit.semwal@...aro.org>,
	Jesse Barker <jesse.barker@....com>,
	Colin Cross <ccross@...roid.com>
Subject: Re: [PATCH 1/2] ion: Don't allow building ION as a module.

On Sat, Dec 14, 2013 at 12:06:45PM -0800, John Stultz wrote:
> ION doesn't export the proper symbols for it to be a module. This
> causes build issues when ION is configured as a module.
> 
> Since Andorid kernels rarely use modules (I think recent policy
> requires no modules?), go ahead and set the ION config to a bool
> from the tristate option.
> 
> If folks decide ION as a module is important, we will have to go
> through and export the various needed symbols.
> 
> Signed-off-by: John Stultz <john.stultz@...aro.org>
> ---
>  drivers/staging/android/ion/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/android/ion/Kconfig b/drivers/staging/android/ion/Kconfig
> index a342d96..b95281e 100644
> --- a/drivers/staging/android/ion/Kconfig
> +++ b/drivers/staging/android/ion/Kconfig
> @@ -1,5 +1,5 @@
>  menuconfig ION
> -	tristate "Ion Memory Manager"
> +	bool "Ion Memory Manager"

Or you can do:
	depends on m
and leave it as a "tristate", then when switching it off, I think you
can then be prompted as 'm' again, but I could be wrong about that.

So should ION ever be able to be built as a module in the future?

thanks,

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/