riscv: extend execmem_params for generated code allocations

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The memory allocations for kprobes and BPF on RISC-V are not placed in
the modules area and these custom allocations are implemented with
overrides of alloc_insn_page() and  bpf_jit_alloc_exec().

Define MODULES_VADDR and MODULES_END as VMALLOC_START and VMALLOC_END for
32 bit and slightly reorder execmem_params initialization to support both
32 and 64 bit variants, define EXECMEM_KPROBES and EXECMEM_BPF ranges in
riscv::execmem_params and drop overrides of alloc_insn_page() and
bpf_jit_alloc_exec().

Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>

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Mike Rapoport (IBM) 2024-05-05 19:06:21 +03:00 • committed by Luis Chamberlain

parent 223b5e57d0

commit 4d7b321a9c

4 changed files with 16 additions and 24 deletions

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3

arch/riscv/include/asm/pgtable.h

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14

arch/riscv/kernel/module.c

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10

arch/riscv/kernel/probes/kprobes.c

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13

arch/riscv/net/bpf_jit_core.c

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