linux-kernel - Re: [BUGFIX][PATCH] DO flush icache before set

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Message-ID: <Pine.LNX.4.64.0707061032040.30575@schroedinger.engr.sgi.com>
Date:	Fri, 6 Jul 2007 10:32:29 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, Mike.stroya@...com,
	GOTO <y-goto@...fujitsu.com>, dmosberger@...il.com,
	hugh@...itas.com
Subject: Re: [BUGFIX][PATCH] DO flush icache before set_pte() on ia64.

I am a bit worried about the performance impact of all this flushing? What 
is the worst case scenario here?

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