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Re: [PATCH] protect CU1 bit manipulation from preempt

To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Subject: Re: [PATCH] protect CU1 bit manipulation from preempt
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 6 Oct 2005 17:40:52 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <20051007.004359.25909892.anemo@mba.ocn.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20051007.004359.25909892.anemo@mba.ocn.ne.jp>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.4.2.1i
On Fri, Oct 07, 2005 at 12:43:59AM +0900, Atsushi Nemoto wrote:

> The ptrace temporarily enable CP1 without fpu-ownership.  These
> regions should be protected from preempt.

Applied with quite some additions to take care of the MT ASE as well.

  Ralf

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