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

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Message-Id: <20070726172728.f0c6608c.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Thu, 26 Jul 2007 17:27:28 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Cc:	"tony.luck@...el.com" <tony.luck@...el.com>,
	linux-ia64@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Zoltan.Menyhart@...l.net, nickpiggin@...oo.com.au
Subject: Re: [PATCH] flush icache before set_pte on ia64 take3

On Thu, 26 Jul 2007 17:13:23 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com> wrote:
>  - lazy_mmu_prot_update() checked pte's executable bit. This was because old
>    Linux's anon page has executable bit. Current kernel doesn't set executable
>    bit on anonymous pages.
> 
Linux's anon page had VM_EXEC bit. Current kernel doesn't set VM_EXEC bit on
anonymous pages. (readable was executable in old days.)

Sorry.. confusing description...
-Kame

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