| Message ID | 20220130092917.14544-2-hotforest@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | b5e975d256dbfebd62413eb04fbff6803f02a43c |
| Delegated to: | BPF |
| Headers | show |
| Series | bpf, arm64: enable kfunc call | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for bpf-next |
| netdev/fixes_present | success | Fixes tag not required for -next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Series has a cover letter |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/cc_maintainers | warning | 2 maintainers not CCed: kpsingh@kernel.org songliubraving@fb.com |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/verify_fixes | success | No Fixes tag |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 11 lines checked |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
| bpf/vmtest-bpf-next-PR | success | PR summary |
| bpf/vmtest-bpf-next | success | VM_Test |
On 1/30/22 10:29 AM, Hou Tao wrote: > From: Hou Tao <houtao1@huawei.com> > > Since commit b2eed9b58811 ("arm64/kernel: kaslr: reduce module > randomization range to 2 GB"), for arm64 whether KASLR is enabled > or not, the module is placed within 2GB of the kernel region, so > s32 in bpf_kfunc_desc is sufficient to represente the offset of > module function relative to __bpf_call_base. The only thing needed > is to override bpf_jit_supports_kfunc_call(). > > Signed-off-by: Hou Tao <houtao1@huawei.com> Could you rebase patch 2 & 3 and resend as they don't apply to bpf-next right now. Meanwhile, applied this one, thanks a lot!
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index e96d4d87291f..74f9a9b6a053 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -1143,6 +1143,11 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog) return prog; } +bool bpf_jit_supports_kfunc_call(void) +{ + return true; +} + u64 bpf_jit_alloc_exec_limit(void) { return VMALLOC_END - VMALLOC_START;