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From: KP Singh <kpsingh@chromium.org>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: davem@davemloft.net, daniel@iogearbox.net, paulmck@kernel.org,
	netdev@vger.kernel.org, bpf@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH v5 bpf-next 3/5] bpf: Add bpf_copy_from_user() helper.
Date: Tue, 30 Jun 2020 13:41:29 +0200
Message-ID: <20200630114129.GA420871@google.com> (raw)
In-Reply-To: <20200630043343.53195-4-alexei.starovoitov@gmail.com>

On 29-Jun 21:33, Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@kernel.org>
> 
> Sleepable BPF programs can now use copy_from_user() to access user memory.
> 
> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
> Acked-by: Andrii Nakryiko <andriin@fb.com>

Really looking forward!

Acked-by: KP Singh <kpsingh@google.com>

> ---
>  include/linux/bpf.h            |  1 +
>  include/uapi/linux/bpf.h       | 11 ++++++++++-
>  kernel/bpf/helpers.c           | 22 ++++++++++++++++++++++
>  kernel/trace/bpf_trace.c       |  2 ++
>  tools/include/uapi/linux/bpf.h | 11 ++++++++++-
>  5 files changed, 45 insertions(+), 2 deletions(-)
> 

[...]

> +	/* */
>  
>  /* integer value in 'imm' field of BPF_CALL instruction selects which helper
>   * function eBPF program intends to call
> -- 
> 2.23.0
> 

  reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-30  4:33 [PATCH v5 bpf-next 0/5] bpf: Introduce minimal support for sleepable progs Alexei Starovoitov
2020-06-30  4:33 ` [PATCH v5 bpf-next 1/5] bpf: Remove redundant synchronize_rcu Alexei Starovoitov
2020-06-30 20:55   ` Paul E. McKenney
2020-06-30  4:33 ` [PATCH v5 bpf-next 2/5] bpf: Introduce sleepable BPF programs Alexei Starovoitov
2020-06-30 22:04   ` Paul E. McKenney
2020-06-30 23:26   ` Daniel Borkmann
2020-06-30 23:41     ` Alexei Starovoitov
2020-07-01  9:15       ` KP Singh
2020-07-01  9:34         ` Daniel Borkmann
2020-07-01 15:21           ` Alexei Starovoitov
2020-07-10 17:00             ` Arnaldo Carvalho de Melo
2020-07-10 22:59               ` Alexei Starovoitov
2020-07-01  9:17       ` Daniel Borkmann
2020-07-01 15:14         ` Alexei Starovoitov
2020-07-01 19:03           ` KP Singh
2020-06-30  4:33 ` [PATCH v5 bpf-next 3/5] bpf: Add bpf_copy_from_user() helper Alexei Starovoitov
2020-06-30 11:41   ` KP Singh [this message]
2020-06-30  4:33 ` [PATCH v5 bpf-next 4/5] libbpf: support sleepable progs Alexei Starovoitov
2020-06-30  4:33 ` [PATCH v5 bpf-next 5/5] selftests/bpf: Add sleepable tests Alexei Starovoitov
2020-06-30  5:14 ` [PATCH v5 bpf-next 0/5] bpf: Introduce minimal support for sleepable progs Andrii Nakryiko

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