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c97bf62996
For now, we use stop_machine() to patch the text and when we use IPIs for remote icache flushes (which is emitted in patch_text_nosync()), the system hangs. So instead, make sure every CPU executes the stop_machine() patching function and emit a local icache flush there. Co-developed-by: Björn Töpel <bjorn@rivosinc.com> Signed-off-by: Björn Töpel <bjorn@rivosinc.com> Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> Reviewed-by: Andrea Parri <parri.andrea@gmail.com> Link: https://lore.kernel.org/r/20240229121056.203419-3-alexghiti@rivosinc.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com> |
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