From: tip-bot for Alex Shi <alex.shi@intel.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, mingo@kernel.org,
alex.shi@intel.com, tglx@linutronix.de
Subject: [tip:x86/mm] x86/tlb: Clean up and unify TLB_FLUSH_ALL definition
Date: Fri, 18 May 2012 03:50:34 -0700 [thread overview]
Message-ID: <tip-evv5bekiipi2pmyzdsy8lkkw@git.kernel.org> (raw)
Commit-ID: 3e7f3db001de6133db1c385c92eec944409a8b4f
Gitweb: http://git.kernel.org/tip/3e7f3db001de6133db1c385c92eec944409a8b4f
Author: Alex Shi <alex.shi@intel.com>
AuthorDate: Thu, 10 May 2012 18:01:59 +0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 18 May 2012 10:13:37 +0200
x86/tlb: Clean up and 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@intel.com>
Link: http://lkml.kernel.org/n/tip-evv5bekiipi2pmyzdsy8lkkw@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
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 169be89..63af909 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:
reply other threads:[~2012-05-18 10:50 UTC|newest]
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