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ACPI ISA strings are based on a specification after Zicsr and Zifencei
were split out of I, so we shouldn't be treating them as part of I. We
haven't release an ACPI-based kernel yet, so we don't need to worry
about compatibility with the old ISA strings.
Fixes: 07edc32779 ("RISC-V: always report presence of extensions formerly part of the base ISA")
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20230711224600.10879-1-palmer@rivosinc.com
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>