From: patchwork-bot+netdevbpf@kernel.org
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: bpf@vger.kernel.org, daniel@iogearbox.net, andrii@kernel.org,
eddyz87@gmail.com, memxor@gmail.com
Subject: Re: [PATCH bpf v2 0/9] bpf: One may_goto time slice per prog invocation
Date: Mon, 02 Nov 2026 22:30:07 +0000 [thread overview]
Message-ID: <179365860780.698908.5907895296789824296.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20261031215543.682284-1-alexei.starovoitov@gmail.com>
Hello:
This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <ast@kernel.org>:
On Sat, 31 Oct 2026 21:55:34 +0000 you wrote:
> From: Alexei Starovoitov <ast@kernel.org>
>
> may_goto stops a loop that the verifier cannot bound: after 250 ms the loop
> must exit. The count and the timestamp are in the stack frame of the
> function that contains the loop. So the limit is for one call of a subprog,
> not for one invocation of a prog. Loops that nest across calls multiply it,
> and 9 insns lock up a cpu:
>
> [...]
Here is the summary with links:
- [bpf,v2,1/9] bpf: Emit timed may_goto for JITed progs only
https://git.kernel.org/bpf/bpf/c/1ddffb57b362
- [bpf,v2,2/9] selftests/bpf: Don't cast a pointer to .bss in arena_htab_asm
https://git.kernel.org/bpf/bpf/c/fcda8096dc5d
- [bpf,v2,3/9] selftests/bpf: Give the first loop of cond_break5 an end
https://git.kernel.org/bpf/bpf/c/40a3a2e686f8
- [bpf,v2,4/9] selftests/bpf: End the loop of parallel_test_bitmap after 50 ms
https://git.kernel.org/bpf/bpf/c/5eced83779fd
- [bpf,v2,5/9] s390/bpf: Support internal-only MOV instruction to resolve per-CPU addrs
https://git.kernel.org/bpf/bpf/c/85b6a11252ba
- [bpf,v2,6/9] bpf: Pass a pointer to arch_bpf_timed_may_goto()
https://git.kernel.org/bpf/bpf/c/78821f4d8d18
- [bpf,v2,7/9] bpf: One may_goto time slice per prog invocation
https://git.kernel.org/bpf/bpf/c/ec274bb4665c
- [bpf,v2,8/9] bpf: End bpf_loop() when the time of may_goto is up
https://git.kernel.org/bpf/bpf/c/c16c6c4683cc
- [bpf,v2,9/9] selftests/bpf: Test one may_goto time slice per prog invocation
https://git.kernel.org/bpf/bpf/c/9d8affd7b6f5
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
prev parent reply other threads:[~2026-11-02 22:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-31 21:55 [PATCH bpf v2 0/9] bpf: One may_goto time slice per prog invocation Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 1/9] bpf: Emit timed may_goto for JITed progs only Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 2/9] selftests/bpf: Don't cast a pointer to .bss in arena_htab_asm Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 3/9] selftests/bpf: Give the first loop of cond_break5 an end Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 4/9] selftests/bpf: End the loop of parallel_test_bitmap after 50 ms Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 5/9] s390/bpf: Support internal-only MOV instruction to resolve per-CPU addrs Alexei Starovoitov
2026-10-31 22:26 ` bot+bpf-ci
2026-10-31 21:55 ` [PATCH bpf v2 6/9] bpf: Pass a pointer to arch_bpf_timed_may_goto() Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 7/9] bpf: One may_goto time slice per prog invocation Alexei Starovoitov
2026-10-31 22:25 ` sashiko-bot
2026-10-31 22:30 ` Alexei Starovoitov
2026-10-31 22:37 ` bot+bpf-ci
2026-10-31 22:50 ` Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 8/9] bpf: End bpf_loop() when the time of may_goto is up Alexei Starovoitov
2026-10-31 21:55 ` [PATCH bpf v2 9/9] selftests/bpf: Test one may_goto time slice per prog invocation Alexei Starovoitov
2026-10-31 22:12 ` sashiko-bot
2026-10-31 22:31 ` Alexei Starovoitov
2026-11-02 22:30 ` patchwork-bot+netdevbpf [this message]
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