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From: "Jan Beulich" <JBeulich@suse.com>
To: Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	gregkh@linuxfoundation.org,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Randy Dunlap <rdunlap@xenotime.net>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	virtualization@lists.linux-foundation.org,
	xen-devel <xen-devel@lists.xen.org>,
	linux-kernel@vger.kernel.org, linux-next@vger.kernel.org
Subject: Re: [Xen-devel] linux-next: Tree for Oct 24 (xen)
Date: Thu, 25 Oct 2012 08:30:54 +0100	[thread overview]
Message-ID: <508906CE02000078000A4553@nat28.tlf.novell.com> (raw)
In-Reply-To: <50885EA8.3050007@xenotime.net>

>>> On 24.10.12 at 23:33, Randy Dunlap <rdunlap@xenotime.net> wrote:
> On 10/23/2012 09:19 PM, Stephen Rothwell wrote:
> 
>> Hi all,
>> 
>> Changes since 201201023:
>> 
> 
> on x86_64:
> 
> drivers/built-in.o: In function `dbgp_reset_prep':
> (.text+0xb96b5): undefined reference to `xen_dbgp_reset_prep'
> drivers/built-in.o: In function `dbgp_external_startup':
> (.text+0xb9d95): undefined reference to `xen_dbgp_external_startup'
> 
> 
> Full randconfig file is attached.

So this is because with !USB_SUPPORT but EARLY_PRINTK_DBGP
dbgp_reset_prep() and dbgp_external_startup() get pointlessly
defined and exported. This got broken by the merge
recommendation for the ARM side changes (originally compilation
of drivers/xen/dbgp.c depended on just CONFIG_XEN_DOM0).

>From my pov, fixing the USB side would be the clean solution (i.e.
putting those function definitions inside a CONFIG_USB_SUPPORT
conditional).

The alternative of a smaller change would be to extend the
conditional around the respective xen_dbgp_...() declarations
in include/linux/usb/ehci_def.h to become

#if defined(CONFIG_XEN_DOM0) && defined(CONFIG_USB_SUPPORT)

Please advise towards your preference.

Jan

  reply	other threads:[~2012-10-25  7:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-24  4:19 linux-next: Tree for Oct 24 Stephen Rothwell
2012-10-24 21:33 ` linux-next: Tree for Oct 24 (xen) Randy Dunlap
2012-10-25  7:30   ` Jan Beulich [this message]
2012-10-25 10:48     ` [Xen-devel] " Stefano Stabellini
2012-10-25 13:46       ` Konrad Rzeszutek Wilk
2012-10-25 14:05         ` Jan Beulich
2012-10-25 14:15           ` gregkh

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