riscv: mm: support icache&tlb HW broadcast on xuantie #18
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By configuring `flush-tlb-range` and `flush-icache-range` in DTS to enable the
HW broadcast feature of Xuantie CPU, soft broadcasting is avoided and system
performance is improved.
The DTS example as follows:
```
cpus {
...
flush-icache-range = <1>;
flush-tlb-range = <1>;
cpu@0 {
...
```
Signed-off-by: Chen Pei <cp0613@linux.alibaba.com>
guoren83
approved these changes
Apr 15, 2024
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By configuring
flush-tlb-rangeandflush-icache-rangein DTS to enable the HW broadcast feature of Xuantie CPU, soft broadcasting is avoided and system performance is improved.The DTS example as follows: