linux-kernel - [PATCH v4 1/7] x86/tlb: unify TLB_FLUSH

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Date:	Thu, 10 May 2012 13:00:07 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	rob@...dley.net, tglx@...utronix.de, mingo@...hat.com,
	hpa@...or.com, arnd@...db.de, rostedt@...dmis.org,
	fweisbec@...il.com
Cc:	jeremy@...p.org, gregkh@...uxfoundation.org,
	borislav.petkov@....com, alex.shi@...el.com, riel@...hat.com,
	luto@....edu, avi@...hat.com, len.brown@...el.com,
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	penberg@...nel.org, hughd@...gle.com, rientjes@...gle.com,
	kosaki.motohiro@...fujitsu.com, n-horiguchi@...jp.nec.com,
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	kamezawa.hiroyu@...fujitsu.com, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/7] x86/tlb: unify TLB_FLUSH_ALL definition

Since sizeof(long) is 4 in x86_32 mode, and it's 8 in x86_64 mode,
sizeof(long long) is also 8 byte in x86_64 mode.
use long mode can fit TLB_FLUSH_ALL defination here both in 32 or
64 bits mode.

Signed-off-by: Alex Shi <alex.shi@...el.com>
---
 arch/x86/include/asm/tlbflush.h |    6 +-----
 1 files changed, 1 insertions(+), 5 deletions(-)

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index c0e108e..7e8a096 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -62,11 +62,7 @@ static inline void __flush_tlb_one(unsigned long addr)
 		__flush_tlb();
 }
 
-#ifdef CONFIG_X86_32
-# define TLB_FLUSH_ALL	0xffffffff
-#else
-# define TLB_FLUSH_ALL	-1ULL
-#endif
+#define TLB_FLUSH_ALL	-1UL
 
 /*
  * TLB flushing:
-- 
1.7.5.4

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