Re: [PATCH] protect CU1 bit manipulation from preempt

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To: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
Subject: Re: [PATCH] protect CU1 bit manipulation from preempt
From: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Date: Thu, 6 Oct 2005 17:40:52 +0100
Cc: linux-mips@xxxxxxxxxxxxxx
In-reply-to: <20051007.004359.25909892.anemo@xxxxxxxxxxxxx>
References: <20051007.004359.25909892.anemo@xxxxxxxxxxxxx>
Sender: linux-mips-bounce@xxxxxxxxxxxxxx
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

References:
- [PATCH] protect CU1 bit manipulation from preempt
  - From: Atsushi Nemoto

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