On Thu, Jan 17, 2019 at 10:14 PM Alexei Starovoitov wrote:
>
> Many algorithms need to read and modify several variables atomically.
> Until now it was hard to impossible to implement such algorithms in BPF.
> Hence introduce support for bpf_spin_lock.
>
> The api consists of 'struct bpf_spin_lock
Many algorithms need to read and modify several variables atomically.
Until now it was hard to impossible to implement such algorithms in BPF.
Hence introduce support for bpf_spin_lock.
The api consists of 'struct bpf_spin_lock' that should be placed
inside hash/array/cgroup_local_storage element
