Alexei Starovoitov says: ==================== pull-request: bpf 2021-02-26 1) Fix for bpf atomic insns with src_reg=r0, from Brendan. 2) Fix use after free due to bpf_prog_clone, from Cong. 3) Drop imprecise verifier log message, from Dmitrii. 4) Remove incorrect blank line in bpf helper description, from Hangbin. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: selftests/bpf: No need to drop the packet when there is no geneve opt bpf: Remove blank line in bpf helper description comment tools/resolve_btfids: Fix build error with older host toolchains selftests/bpf: Fix a compiler warning in global func test bpf: Drop imprecise log message bpf: Clear percpu pointers in bpf_prog_clone_free() bpf: Fix a warning message in mark_ptr_not_null_reg() bpf, x86: Fix BPF_FETCH atomic and/or/xor with r0 as src ====================
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| @@ -3850,7 +3850,6 @@ union bpf_attr { · 3849 unmodified lines | |||
| 3850 | * | 3850 | * |
| 3851 | * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) | 3851 | * long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags) |
| 3852 | * Description | 3852 | * Description |
| 3853 | |||
| 3854 | * Check ctx packet size against exceeding MTU of net device (based | 3853 | * Check ctx packet size against exceeding MTU of net device (based |
| 3855 | * on *ifindex*). This helper will likely be used in combination | 3854 | * on *ifindex*). This helper will likely be used in combination |
| 3856 | * with helpers that adjust/change the packet size. | 3855 | * with helpers that adjust/change the packet size. |