| 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 |
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