linux-kernel - linux-next: build failure after merge of the final tree (powerpc tree related)

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Date:	Thu, 5 May 2011 13:41:42 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	<linuxppc-dev@...ts.ozlabs.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Tseng-Hui (Frank) Lin" <thlin@...ux.vnet.ibm.com>,
	Sonny Rao <sonnyrao@...ux.vnet.ibm.com>,
	Anton Blanchard <anton@...ba.org>,
	Michael Ellerman <michael@...abs.org>
Subject: linux-next: build failure after merge of the final tree (powerpc
 tree related)

Hi all,

After merging the final tree, today's linux-next build (powerpc
allyesconfig) failed like this:

arch/powerpc/mm/mmu_context_hash64.c: In function 'init_new_context':
arch/powerpc/mm/mmu_context_hash64.c:282: error: 'NO_CONTEXT' undeclared (first use in this function)

Presumably caused by commit 851d2e2fe8db ("powerpc: Add Initiate
Coprocessor Store Word (icswx) support") interacting with commit
5e8e7b404ac9 ("powerpc/mm: Standardise on MMU_NO_CONTEXT").

I added the below patch for today.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 5 May 2011 13:32:02 +1000
Subject: [PATCH] powerpc: fix up mismerge in mmu_context_hash64.c

NO_CONTEXT was changed to MMU_NO_CONTEXT.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 arch/powerpc/mm/mmu_context_hash64.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c
index c517815..3bafc3d 100644
--- a/arch/powerpc/mm/mmu_context_hash64.c
+++ b/arch/powerpc/mm/mmu_context_hash64.c
@@ -279,7 +279,7 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
 	if (!mm->context.cop_lockp) {
 		__destroy_context(index);
 		subpage_prot_free(mm);
-		mm->context.id = NO_CONTEXT;
+		mm->context.id = MMU_NO_CONTEXT;
 		return -ENOMEM;
 	}
 	spin_lock_init(mm->context.cop_lockp);
-- 
1.7.4.4

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