linux-kernel - [PATCH 0/3]: x86, fpu: unlazy

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Message-ID: <20150129210723.GA31584@redhat.com>
Date:	Thu, 29 Jan 2015 22:07:23 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Rik van Riel <riel@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>
Cc:	Suresh Siddha <sbsiddha@...il.com>,
	Andy Lutomirski <luto@...capital.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	the arch/x86 maintainers <x86@...nel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/3]: x86, fpu: unlazy_fpu fixes/cleanups

On 01/23, Rik van Riel wrote:
>
> Not only is this broken with my new code, but it looks like it may
> be broken with the current code, too...

Lets (try to) fix unlazy_fpu/save_init_fpu at least.

Dave, fpu_save_init() in do_bounds() and task_get_bounds_dir() looks
wrong too, shouldn't it use unlazy_fpu() ? See the changelog in 3/3.

Oleg.

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