linux-kernel - [tip:x86/uv] x86, uv: uv_global_gru_mmr

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Date:	Thu, 7 Jan 2010 23:57:40 GMT
From:	tip-bot for Jack Steiner <steiner@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	steiner@....com, stable@...nel.org, tglx@...utronix.de
Subject: [tip:x86/uv] x86, uv: uv_global_gru_mmr_address() macro fix

Commit-ID:  e1e0138d7d10fd447c71cc70f367eac514bd3ce4
Gitweb:     http://git.kernel.org/tip/e1e0138d7d10fd447c71cc70f367eac514bd3ce4
Author:     Jack Steiner <steiner@....com>
AuthorDate: Thu, 7 Jan 2010 10:12:40 -0600
Committer:  H. Peter Anvin <hpa@...or.com>
CommitDate: Thu, 7 Jan 2010 11:49:57 -0800

x86, uv: uv_global_gru_mmr_address() macro fix

Fix bug in uv_global_gru_mmr_address macro.  Macro failed
to cast an int value to a long prior to a left shift > 32.

Signed-off-by: Jack Steiner <steiner@....com>
LKML-Reference: <20100107161240.GA2610@....com>
Cc: <stable@...nel.org>
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 arch/x86/include/asm/uv/uv_hub.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 811bfab..7a81d9d 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -335,7 +335,8 @@ static inline unsigned long uv_read_global_mmr64(int pnode,
  */
 static inline unsigned long uv_global_gru_mmr_address(int pnode, unsigned long offset)
 {
-	return UV_GLOBAL_GRU_MMR_BASE | offset | (pnode << uv_hub_info->m_val);
+	return UV_GLOBAL_GRU_MMR_BASE | offset |
+		((unsigned long)pnode << uv_hub_info->m_val);
 }
 
 /*
--
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