linux-kernel - Re: [PATCH v5] x86: make sure IDT is page aligned

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Message-ID: <51E5DAA5.3010806@zytor.com>
Date:	Tue, 16 Jul 2013 16:43:33 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Kees Cook <keescook@...omium.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	Seiji Aguchi <seiji.aguchi@....com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	PaX Team <pageexec@...il.com>
Subject: Re: [PATCH v5] x86: make sure IDT is page aligned

On 07/16/2013 04:39 PM, Yinghai Lu wrote:
> 
> ok. so the old code is just for optimization to keep it cacheline aligned?
> 

To the best of my knowledge.  I guess I should look through the git log
to make sure it isn't some old erratum fix.

	-hpa

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