[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1337072138-8323-2-git-send-email-alex.shi@intel.com>
Date: Tue, 15 May 2012 16:55:32 +0800
From: Alex Shi <alex.shi@...el.com>
To: tglx@...utronix.de, mingo@...hat.com, hpa@...or.com, arnd@...db.de,
rostedt@...dmis.org, fweisbec@...il.com
Cc: jeremy@...p.org, riel@...hat.com, luto@....edu, alex.shi@...el.com,
avi@...hat.com, len.brown@...el.com, dhowells@...hat.com,
fenghua.yu@...el.com, borislav.petkov@....com, yinghai@...nel.org,
ak@...ux.intel.com, cpw@....com, steiner@....com,
akpm@...ux-foundation.org, penberg@...nel.org, hughd@...gle.com,
rientjes@...gle.com, kosaki.motohiro@...fujitsu.com,
n-horiguchi@...jp.nec.com, tj@...nel.org, oleg@...hat.com,
axboe@...nel.dk, jmorris@...ei.org, a.p.zijlstra@...llo.nl,
kamezawa.hiroyu@...fujitsu.com, viro@...iv.linux.org.uk,
linux-kernel@...r.kernel.org, yongjie.ren@...el.com
Subject: [PATCH v5 1/7] x86/tlb: unify TLB_FLUSH_ALL definition
32bits kernel is using ILP32 model. 64 bits kernel is using LP64 model.
So, here TLB_FLUSH_ALL can be defined as '-1UL', that fit in both
x86_32/x86_64 mode.
Thanks for Rob Landley and Peter Avin's infos
http://www.unix.org/whitepapers/64bit.html
http://www.unix.org/version2/whatsnew/lp64_wp.html
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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists