On Mon, Jan 9, 2023 at 1:23 PM Martin KaFai Lau <martin.lau@xxxxxxxxx> wrote: > > On 1/9/23 12:56 PM, Namhyung Kim wrote: > > Hello, > > > > On Mon, Nov 21, 2022 at 9:33 AM Martin KaFai Lau <martin.lau@xxxxxxxxx> wrote: > >> > >> On 11/18/22 11:01 AM, Namhyung Kim wrote: > >>> We could fix the task local storage to use the safe BPF allocator, > >>> but it takes time so let's change this until it happens actually. > >> > >> I also got another report on the kfree_rcu path. I am also looking into this > >> direction on using the BPF allocator. > > > > Any progress on this? Are there any concerns about the change? > > Yep, I am working on it. It is not a direct replacement from kzalloc to > bpf_mem_cache_alloc. eg. Some changes in the bpf mem allocator is needed to > ensure the free list cannot be reused before the rcu grace period. There is a > similar RFC patchset going into this direction that I am trying with. I see. Thanks for the update! Namhyung