linux-kernel - [PATH v2 5/5] x86/tlb: remove comments for tlb_flush

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Message-Id: <1336114210-25687-6-git-send-email-alex.shi@intel.com>
Date:	Fri,  4 May 2012 14:50:10 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
	rostedt@...dmis.org, fweisbec@...il.com, bp@...64.org,
	npiggin@...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, yinghai@...nel.org, borislav.petkov@....com,
	ak@...ux.intel.com, cpw@....com, steiner@....com,
	akpm@...ux-foundation.org, penberg@...nel.org,
	yongjie.ren@...el.com, linux-kernel@...r.kernel.org
Subject: [PATH v2 5/5] x86/tlb: remove comments for tlb_flush_range implement suggestion

Thanks to this comments that inspired me using invlpg to replace cr3
rewrite.
Now, it is time to remove from code to avoid reader confusing.

Signed-off-by: Alex Shi <alex.shi@...el.com>
---
 arch/x86/include/asm/tlbflush.h |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h
index ec30dfb..51f8b1c 100644
--- a/arch/x86/include/asm/tlbflush.h
+++ b/arch/x86/include/asm/tlbflush.h
@@ -81,10 +81,6 @@ static inline void __flush_tlb_one(unsigned long addr)
  *
  * ..but the i386 has somewhat limited tlb flushing capabilities,
  * and page-granular flushes are available only on i486 and up.
- *
- * x86-64 can only flush individual pages or full VMs. For a range flush
- * we always do the full VM. Might be worth trying if for a small
- * range a few INVLPGs in a row are a win.
  */
 
 #ifndef CONFIG_SMP
-- 
1.7.0.1

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