netdev - Re: [PATCH bpf v3] bpftool: fix percpu maps updating

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Date:   Mon, 21 Jan 2019 11:47:01 +0000
From:   Quentin Monnet <quentin.monnet@...ronome.com>
To:     Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [PATCH bpf v3] bpftool: fix percpu maps updating

2019-01-21 12:36 UTC+0100 ~ Paolo Abeni <pabeni@...hat.com>
> When updating a percpu map, bpftool currently copies the provided
> value only into the first per CPU copy of the specified value,
> all others instances are left zeroed.
> 
> This change explicitly copies the user-provided bytes to all the
> per CPU instances, keeping the sub-command syntax unchanged.
> 
> v2 -> v3:
>  - drop unused argument, as per Quentin's suggestion
> v1 -> v2:
>  - rename the helper as per Quentin's suggestion
> 
> Fixes: 71bb428fe2c1 ("tools: bpf: add bpftool")
> Signed-off-by: Paolo Abeni <pabeni@...hat.com>

All good for me this time, thanks!

Reviewed-by: Quentin Monnet <quentin.monnet@...ronome.com>