linux-mips
[Top] [All Lists]

Re: [PATCH v3 1/3] Loongson-2F: Flush the branch target history s

To: Andreas Barth <aba@not.so.argh.org>
Subject: Re: [PATCH v3 1/3] Loongson-2F: Flush the branch target history such as BTB and RAS
From: Zhang Le <r0bertz@gentoo.org>
Date: Sat, 3 Apr 2010 01:53:52 +0000
Cc: Wu Zhangjin <wuzhangjin@gmail.com>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
In-reply-to: <20100402145401.GS27216@mails.so.argh.org>
Mail-followup-to: Andreas Barth <aba@not.so.argh.org>, Wu Zhangjin <wuzhangjin@gmail.com>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <cover.1268453720.git.wuzhangjin@gmail.com> <05e2ba2596f23fa4dda64d63ce2480504b1be4ac.1268453720.git.wuzhangjin@gmail.com> <20100402145401.GS27216@mails.so.argh.org>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.16 (2007-06-09)
On 16:54 Fri 02 Apr     , Andreas Barth wrote:
> * Wu Zhangjin (wuzhangjin@gmail.com) [100313 05:45]:
> > This patch did clear BTB(branch target buffer), forbid RAS(return
> > address stack) via Loongson-2F's 64bit diagnostic register.
> 
> Unfortunatly the Loongson 2F here still fails with this patch,
> compiled with the new binutils and both options enabled.

Which version of binutils exactly?
The patch is in cvs, but latest binutils-2.20.1 still didn't include it.
You need to patch it.

Zhang, Le

<Prev in Thread] Current Thread [Next in Thread>