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

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Message-ID: <20190131183748.ojzlgh5leobgaa6b@ast-mbp.dhcp.thefacebook.com>
Date:   Thu, 31 Jan 2019 10:37:49 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Alexei Starovoitov <ast@...nel.org>, davem@...emloft.net,
        daniel@...earbox.net, jannh@...gle.com, netdev@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH v6 bpf-next 1/9] bpf: introduce bpf_spin_lock

On Thu, Jan 31, 2019 at 11:47:54AM +0100, Peter Zijlstra wrote:
> > +	local_irq_save(flags);
> > +	__bpf_spin_lock(lock);
> > +	this_cpu_write(irqsave_flags, flags);
> 
> 	__this_cpu_write()

sure. will do