On 16:54 Fri 02 Apr , Andreas Barth wrote: > * Wu Zhangjin (wuzhangjin@xxxxxxxxx) [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