f1df323924
As per chapter 15 "Errata: Issue of Out-of-order in loongson"[1] to work around the Loongson 2F erratum we need to do: "When switching from user mode to kernel mode, you should flush the branch target history such as BTB and RAS." [1] Chinese version: http://www.loongson.cn/uploadfile/file/200808211 [2] English version of chapter 15: http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Patchwork: http://patchwork.linux-mips.org/patch/1066/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
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| score | ||
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| Kconfig | ||