Re: [PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock | netdev | Ratatoskr

[PATCH v6 bpf-next 0/9] introduce bpf_spin_lock · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 3/9] tools/bpf: sync include/uapi/linux/bpf.h · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
Re: [PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock · Peter Zijlstra <peterz@infradead.org> · 2019-01-31
Re: [PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock · Alexei Starovoitov <hidden> · 2019-01-31
[PATCH v6 bpf-next 4/9] selftests/bpf: add bpf_spin_lock verifier tests · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 2/9] bpf: add support for bpf_spin_lock to cgroup local storage · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 7/9] tools/bpf: sync uapi/bpf.h · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 6/9] bpf: introduce BPF_F_LOCK flag · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 5/9] selftests/bpf: add bpf_spin_lock C test · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 8/9] libbpf: introduce bpf_map_lookup_elem_flags() · Alexei Starovoitov <ast@kernel.org> · 2019-01-31
[PATCH v6 bpf-next 9/9] selftests/bpf: test for BPF_F_LOCK · Alexei Starovoitov <ast@kernel.org> · 2019-01-31

Re: [PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock

From: Alexei Starovoitov <hidden>
Date: 2019-01-31 18:37:54

On Thu, Jan 31, 2019 at 11:47:54AM +0100, Peter Zijlstra wrote:

quoted

+	local_irq_save(flags);
+	__bpf_spin_lock(lock);
+	this_cpu_write(irqsave_flags, flags);

	__this_cpu_write()

sure. will do