| To: | Wu Zhangjin <wuzhangjin@gmail.com>, 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 |
| From: | Andreas Barth <aba@not.so.argh.org> |
| Date: | Sat, 3 Apr 2010 05:11:26 +0200 |
| In-reply-to: | <20100403015352.GA26168@woodpecker.gentoo.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> <20100403015352.GA26168@woodpecker.gentoo.org> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mutt/1.5.18 (2008-05-17) |
* Zhang Le (r0bertz@gentoo.org) [100403 04:20]: > 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. Yes, binutils are patched with http://sourceware.org/ml/binutils/2009-11/msg00387.html Andi |
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