riscv: kprobes: Implement alloc_insn_page()

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Allocate PAGE_KERNEL_READ_EXEC(read only, executable) page for kprobes
insn page. This is to prepare for STRICT_MODULE_RWX.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

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Jisheng Zhang 2021-03-30 02:24:21 +08:00 • committed by Palmer Dabbelt

parent 300f62c37d

commit cdd1b2bd35

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arch/riscv/kernel/probes/kprobes.c

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