linux-kernel - Re: [PATCH 2/7] x86, xsave: introduce xstate enable functions

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Message-ID: <4C476C5B.8020604@zytor.com>
Date:	Wed, 21 Jul 2010 14:53:31 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
CC:	Robert Richter <robert.richter@....com>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/7] x86, xsave: introduce xstate enable functions

On 07/21/2010 02:20 PM, Suresh Siddha wrote:
> 
> Yes, it should be __init.
> 

OK, here is the proposed fix for that.  It's a bit uglier than I would
have liked.

It also fixes the assumption that "we are on the boot CPU so we are
early in the boot", which is true now but will not be true in the future
when we can offline (and later re-online) the boot CPU.

Comments appreciated...

	-hpa

View attachment "0001-x86-xsave-Make-xstate_enable_boot_cpu-__init-protect.patch" of type "text/x-patch" (2916 bytes)