linux-kernel - Re: problem building on ARM with XEN enabled

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Date:	Thu, 07 May 2015 11:24:03 -0400
From:	Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:	Michal Suchanek <hramrach@...il.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	xen-devel@...ts.xenproject.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: problem building on ARM with XEN enabled

On 05/07/2015 11:10 AM, Michal Suchanek wrote:
> Hello,
>
> it appears the Linus master tree fails to build on ARM with XEN enabled.
>
> Since commit 2b953a5e9 xen: Suspend ticks on all CPUs during suspend
>
> provides the suspend function only for x86 this is not surprising.
>
> I currently don't use XEN yet but building with XEN enabled was not a
> problem in the past so this looks like a regression to me.



(+Stefano)

Does this fix it:

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 224081c..7d0f070 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -272,6 +272,7 @@ void xen_arch_pre_suspend(void) { }
  void xen_arch_post_suspend(int suspend_cancelled) { }
  void xen_timer_resume(void) { }
  void xen_arch_resume(void) { }
+void xen_arch_suspend(void) { }


  /* In the hypervisor.S file. */

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