linux-kernel - Re: [Xen-devel] linux-next: Tree for Oct 24 (xen)

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] [day] [month] [year] [list]

Message-ID: <20121025141535.GA29620@kroah.com>
Date:	Thu, 25 Oct 2012 07:15:35 -0700
From:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:	Jan Beulich <JBeulich@...e.com>
Cc:	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>,
	xen-devel <xen-devel@...ts.xen.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	Randy Dunlap <rdunlap@...otime.net>
Subject: Re: [Xen-devel] linux-next: Tree for Oct 24 (xen)

On Thu, Oct 25, 2012 at 03:05:43PM +0100, Jan Beulich wrote:
> >>> On 25.10.12 at 15:46, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:
> > On Thu, Oct 25, 2012 at 11:48:30AM +0100, Stefano Stabellini wrote:
> >> On Thu, 25 Oct 2012, Jan Beulich wrote:
> >> > >>> On 24.10.12 at 23:33, Randy Dunlap <rdunlap@...otime.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.
> >> 
> >> I think that your first suggestion is the right one.
> > 
> > Can you guys spin up a patch pls and make sure it does not break
> > compilation. Thx.
> 
> I'd really like to hear Greg's opinion on which route to take before
> pointlessly trying the other one.

I have no idea, please send patches.

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/