Re: [PATCH v3 1/3] Loongson-2F: Flush the branch target history such as BTB and RAS

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* 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.

Testcase: plain debian unstable chroot, build binutils in that chroot.

More ideas, codes, whatever welcome.



Andi


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