Subject	bpf: Support aggregate return values up to 16 bytes
Author	yonghong.song@linux.dev
Date	2026-08-11 00:09:16 +0000 UTC
Version	Version 2 Version 3 Version 4 Version 5
Cc	andrii@kernel.org ast@kernel.org bpf@vger.kernel.org daniel@iogearbox.net eddyz87@gmail.com kernel-team@fb.com yonghong.song@linux.dev

Patches (13)

Name	Content [All]
[PATCH bpf-next v4 01/13] bpf: Factor check_global_ret_scalar_reg() out of the global return check	[Body]
[PATCH bpf-next v4 02/13] bpf: Add helpers to describe the R0:R2 return register pair	[Body]
[PATCH bpf-next v4 03/13] bpf: Wire up JIT support for 16-byte kfunc returns	[Body]
[PATCH bpf-next v4 04/13] bpf: Track R2 of register-pair returns in precision backtracking	[Body]
[PATCH bpf-next v4 05/13] bpf: Account R2 of register-pair returns in live register analysis	[Body]
[PATCH bpf-next v4 06/13] bpf: Reject callbacks returning more than 8 bytes	[Body]
[PATCH bpf-next v4 07/13] bpf: Add verifier support for 16-byte returns in R0:R2	[Body]
[PATCH bpf-next v4 08/13] bpf: Reject register-pair returns when the subprog BTF is unreliable	[Body]
[PATCH bpf-next v4 09/13] bpf: Enable aggregate return types up to 16 bytes	[Body]
[PATCH bpf-next v4 10/13] selftests/bpf: Add C tests for 16-byte returns in R0:R2	[Body]
[PATCH bpf-next v4 11/13] selftests/bpf: Add inline-asm and subprog tests for R0:R2 returns	[Body]
[PATCH bpf-next v4 12/13] selftests/bpf: Add tests for callbacks returning more than 8 bytes	[Body]
[PATCH bpf-next v4 13/13] Documentation/bpf: Document up to 16-byte kfunc return values in R0:R2	[Body]

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