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| author | Mike Rapoport (IBM) <rppt@kernel.org> | 2024-05-05 18:06:22 +0200 |
|---|---|---|
| committer | Luis Chamberlain <mcgrof@kernel.org> | 2024-05-14 09:31:43 +0200 |
| commit | e2effa2235d9c7d0e9410637a2602bc69ee4f800 (patch) | |
| tree | 59de3d23c841abf039cc08793a36fc1e8d245b6a /arch/arm64/net | |
| parent | riscv: extend execmem_params for generated code allocations (diff) | |
| download | linux-e2effa2235d9c7d0e9410637a2602bc69ee4f800.tar.xz linux-e2effa2235d9c7d0e9410637a2602bc69ee4f800.zip | |
arm64: extend execmem_info for generated code allocations
The memory allocations for kprobes and BPF on arm64 can be placed
anywhere in vmalloc address space and currently this is implemented with
overrides of alloc_insn_page() and bpf_jit_alloc_exec() in arm64.
Define EXECMEM_KPROBES and EXECMEM_BPF ranges in arm64::execmem_info and
drop overrides of alloc_insn_page() and bpf_jit_alloc_exec().
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Diffstat (limited to 'arch/arm64/net')
| -rw-r--r-- | arch/arm64/net/bpf_jit_comp.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 13eac43c632d..074b1d156223 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -1793,17 +1793,6 @@ u64 bpf_jit_alloc_exec_limit(void) return VMALLOC_END - VMALLOC_START; } -void *bpf_jit_alloc_exec(unsigned long size) -{ - /* Memory is intended to be executable, reset the pointer tag. */ - return kasan_reset_tag(vmalloc(size)); -} - -void bpf_jit_free_exec(void *addr) -{ - return vfree(addr); -} - /* Indicate the JIT backend supports mixing bpf2bpf and tailcalls. */ bool bpf_jit_supports_subprog_tailcalls(void) { |