linux-kernel - [tip:core/futexes] sparc64: extend TI_RESTART

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Date:	Thu, 9 Apr 2009 06:12:29 GMT
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, dvhltc@...ibm.com, hpa@...or.com,
	mingo@...hat.com, davem@...emloft.net, tglx@...utronix.de,
	sfr@...b.auug.org.au, mingo@...e.hu
Subject: [tip:core/futexes] sparc64: extend TI_RESTART_BLOCK space by 8 bytes

Commit-ID:  d2de688891909b148efe83a6fc9520a9cd6015f0
Gitweb:     http://git.kernel.org/tip/d2de688891909b148efe83a6fc9520a9cd6015f0
Author:     Stephen Rothwell <sfr@...b.auug.org.au>
AuthorDate: Thu, 9 Apr 2009 15:17:22 +1000
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Thu, 9 Apr 2009 08:09:50 +0200

sparc64: extend TI_RESTART_BLOCK space by 8 bytes

Impact: build fix

Today's linux-next build (sparc64 defconfig) failed like this:

  arch/sparc/kernel/built-in.o: In function `trap_init':
  (.init.text+0x4): undefined reference to `thread_info_offsets_are_bolixed_dave'

Caused by commit 52400ba946759af28442dee6265c5c0180ac7122 ("futex: add
requeue_pi functionality") (from the tip-core tree) which changed the
size of struct restart_block.

Shift TI_KUNA_REGS and TI_KUNA_INSN up by 8 bytes to make space for the
larger restart block.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
Acked-by: "David S. Miller" <davem@...emloft.net>
Cc: Darren Hart <dvhltc@...ibm.com>
LKML-Reference: <20090409151722.c8eabb56.sfr@...b.auug.org.au>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/sparc/include/asm/thread_info_64.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 639ac80..6586572 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -102,8 +102,8 @@ struct thread_info {
 #define TI_KERN_CNTD1	0x00000488
 #define TI_PCR		0x00000490
 #define TI_RESTART_BLOCK 0x00000498
-#define TI_KUNA_REGS	0x000004c0
-#define TI_KUNA_INSN	0x000004c8
+#define TI_KUNA_REGS	0x000004c8
+#define TI_KUNA_INSN	0x000004d0
 #define TI_FPREGS	0x00000500
 
 /* We embed this in the uppermost byte of thread_info->flags */
--
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