riscv: Extend patch_text for multiple instructions
Extend patch_text for multiple instructions. This is the preparaiton for multiple instructions text patching in riscv BPF trampoline, and may be useful for other scenario. Signed-off-by:Pu Lehui <pulehui@huawei.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Tested-by:
Björn Töpel <bjorn@rivosinc.com> Reviewed-by:
Conor Dooley <conor.dooley@microchip.com> Acked-by:
Björn Töpel <bjorn@rivosinc.com> Link: https://lore.kernel.org/bpf/20230215135205.1411105-2-pulehui@huaweicloud.com
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