From: Wu Zhangjin <wuzhangjin@gmail.com>
To: Andreas Barth <aba@not.so.argh.org>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: [PATCH v3 1/3] Loongson-2F: Flush the branch target history such as BTB and RAS
Date: Sat, 03 Apr 2010 09:42:55 +0800 [thread overview]
Message-ID: <1270258975.23702.18.camel@falcon> (raw)
In-Reply-To: <20100402145401.GS27216@mails.so.argh.org>
On Fri, 2010-04-02 at 16:54 +0200, 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.
>
> Testcase: plain debian unstable chroot, build binutils in that chroot.
>
> More ideas, codes, whatever welcome.
Hi,
This patch is not enough, please use the kernel(>=2.6.32) from
http://dev.lemote.com/code/rt4ls or
http://dev.lemote.com/code/linux-loongson-community
Regards,
Wu Zhangjin
next prev parent reply other threads:[~2010-04-03 1:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-13 4:34 [PATCH v3 0/3] Workaround the Out-of-order Issue of Loongson-2F Wu Zhangjin
2010-03-13 4:34 ` [PATCH v3 1/3] Loongson-2F: Flush the branch target history such as BTB and RAS Wu Zhangjin
2010-03-17 15:11 ` Ralf Baechle
2010-04-02 14:54 ` Andreas Barth
2010-04-03 1:42 ` Wu Zhangjin [this message]
2010-04-06 19:10 ` Andreas Barth
2010-04-07 7:30 ` Wu Zhangjin
2010-04-10 8:10 ` Andreas Barth
2010-04-12 3:33 ` Wu Zhangjin
2010-04-03 1:53 ` Zhang Le
2010-04-03 3:11 ` Andreas Barth
2010-03-13 4:34 ` [PATCH v3 2/3] Loongson-2F: Enable fixups of binutils 2.20.1 Wu Zhangjin
2010-03-17 13:52 ` Ralf Baechle
2010-03-27 16:29 ` Zhang Le
2010-03-27 17:20 ` Zhang Le
2010-03-27 23:17 ` zhangfx
2010-04-07 13:02 ` Wu Zhangjin
2010-03-13 4:34 ` [PATCH v3 3/3] Loongson-2F: Fixup of problems introduced by -mfix-loongson2f-jump " Wu Zhangjin
2010-03-17 15:02 ` Ralf Baechle
2010-03-27 17:13 ` Zhang Le
2010-04-07 12:57 ` Wu Zhangjin
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