linux-kernel - Re: linux-next: Tree for June 13 (XEN)

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Message-ID: <20080614203109.GH20851@kernel.dk>
Date:	Sat, 14 Jun 2008 22:31:10 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>, chrisw@...s-sol.org,
	virtualization@...ts.osdl.org, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for June 13 (XEN)

On Fri, Jun 13 2008, Jeremy Fitzhardinge wrote:
> Randy Dunlap wrote:
> >next-20080613 on x86_32 has lots of xen build errors like this:
> >
> >linux-next-20080613/arch/x86/xen/mmu.c: In function 'drop_mm_ref':
> >linux-next-20080613/arch/x86/xen/mmu.c:759: error: implicit declaration of 
> >function 'xen_smp_call_function_mask'
> >make[2]: *** [arch/x86/xen/mmu.o] Error 1
> >
> >  
> 
> Ooh, first time I've seen that.  Sounds like Jens' patches are missing 
> the appropriate update there (though it's certainly had it in the past).

Hmm, will this work or do we need to force xen smp_ops for this one? I
wonder if this is new code and was missed, or what happened in this
case.

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 3525ef5..8baef77 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -569,7 +569,7 @@ static void drop_mm_ref(struct mm_struct *mm)
 	}
 
 	if (!cpus_empty(mask))
-		xen_smp_call_function_mask(mask, drop_other_mm_ref, mm, 1);
+		smp_call_function_mask(mask, drop_other_mm_ref, mm, 1);
 }
 #else
 static void drop_mm_ref(struct mm_struct *mm)

-- 
Jens Axboe

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