linux-kernel - Re: [PATCH v2] drivers/tty/hvc: don't use module

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Message-ID: <52D7B8C8.9010301@citrix.com>
Date:	Thu, 16 Jan 2014 10:47:36 +0000
From:	David Vrabel <david.vrabel@...rix.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
CC:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	<xen-devel@...ts.xenproject.org>,
	Richard Weinberger <richard@....at>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [PATCH v2] drivers/tty/hvc: don't use module_init in non-modular
 hyp. console code

On 15/01/14 21:35, Paul Gortmaker wrote:
> The HVC_OPAL/RTAS/UDBG/XEN options are all bool, and hence their support
> is either present or absent.  It will never be modular, so using
> module_init as an alias for __initcall is rather misleading.
> 
> Fix this up now, so that we can relocate module_init from
> init.h into module.h in the future.  If we don't do this, we'd
> have to add module.h to obviously non-modular code, and that
> would be a worse thing.
> 
> Note that direct use of __initcall is discouraged, vs. one
> of the priority categorized subgroups.  As __initcall gets
> mapped onto device_initcall, our use of device_initcall
> directly in this change means that the runtime impact is
> zero -- it will remain at level 6 in initcall ordering.
> 
> Also the __exitcall functions have been outright deleted since
> they are only ever of interest to UML, and UML will never be
> using any of this code.

For the hvc_xen changes

Acked-by: David Vrabel <david.vrabel@...rix.com>

Thanks

David
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