On Fri, May 9, 2025 at 11:39 AM <patchwork-bot+netdev...@kernel.org> wrote: > > Hello: > > This series was applied to bpf/bpf-next.git (master) > by Alexei Starovoitov <a...@kernel.org>: > > On Thu, 1 May 2025 09:35:51 +0200 you wrote: > > This improves the expressiveness of unprivileged BPF by inserting > > speculation barriers instead of rejecting the programs. > > > > The approach was previously presented at LPC'24 [1] and RAID'24 [2]. > > > > To mitigate the Spectre v1 (PHT) vulnerability, the kernel rejects > > potentially-dangerous unprivileged BPF programs as of > > commit 9183671af6db ("bpf: Fix leakage under speculation on mispredicted > > branches"). In [2], we have analyzed 364 object files from open source > > projects (Linux Samples and Selftests, BCC, Loxilb, Cilium, libbpf > > Examples, Parca, and Prevail) and found that this affects 31% to 54% of > > programs. > > > > [...] > > Here is the summary with links: > - [bpf-next,v3,01/11] selftests/bpf: Fix caps for __xlated/jited_unpriv > https://git.kernel.org/bpf/bpf-next/c/cf15cdc0f0f3 > - [bpf-next,v3,02/11] bpf: Move insn if/else into do_check_insn() > (no matching commit)
Applied the first patch only. Waiting for respin of the rest.