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authorGuo Ren <guoren@linux.alibaba.com>2021-05-26 08:49:20 +0300
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-05-30 04:17:23 +0300
commitcba43c31f14b08f193ebb5b4a72751b0947436c1 (patch)
tree256eb70e8cfe3a32bfee547b78d7897d67330e96 /lib/mpi
parent7fa865f5640a46ed9d3655dd19583fe750e85a8a (diff)
downloadlinux-cba43c31f14b08f193ebb5b4a72751b0947436c1.tar.xz
riscv: Use global mappings for kernel pages
We map kernel pages into all addresses spages, so they can be marked as global. This allows hardware to avoid flushing the kernel mappings when moving between address spaces. Signed-off-by: Guo Ren <guoren@linux.alibaba.com> Reviewed-by: Anup Patel <anup@brainfault.org> Reviewed-by: Christoph Hellwig <hch@lst.de> [Palmer: commit text] Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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