Messages in this thread | | | Subject | Re: [PATCH bpf-next v2 0/5] Make struct bpf_cpumask RCU safe | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 16 Mar 2023 19:40:19 +0000 |
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Hello:
This series was applied to bpf/bpf-next.git (master) by Alexei Starovoitov <ast@kernel.org>:
On Thu, 16 Mar 2023 00:40:23 -0500 you wrote: > The struct bpf_cpumask type is currently not RCU safe. It uses the > bpf_mem_cache_{alloc,free}() APIs to allocate and release cpumasks, and > those allocations may be reused before an RCU grace period has elapsed. > We want to be able to enable using this pattern in BPF programs: > > private(MASK) static struct bpf_cpumask __kptr *global; > > [...]
Here is the summary with links: - [bpf-next,v2,1/5] bpf: Free struct bpf_cpumask in call_rcu handler https://git.kernel.org/bpf/bpf-next/c/77473d1a962f - [bpf-next,v2,2/5] bpf: Mark struct bpf_cpumask as rcu protected https://git.kernel.org/bpf/bpf-next/c/63d2d83d21a6 - [bpf-next,v2,3/5] bpf/selftests: Test using global cpumask kptr with RCU https://git.kernel.org/bpf/bpf-next/c/a5a197df58c4 - [bpf-next,v2,4/5] bpf: Remove bpf_cpumask_kptr_get() kfunc https://git.kernel.org/bpf/bpf-next/c/1b403ce77dfb - [bpf-next,v2,5/5] bpf,docs: Remove bpf_cpumask_kptr_get() from documentation https://git.kernel.org/bpf/bpf-next/c/fec2c6d14fd5
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