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From: Martin KaFai Lau <kafai@fb.com>
To: Lorenz Bauer <lmb@cloudflare.com>
Cc: <ast@kernel.org>, <yhs@fb.com>, <daniel@iogearbox.net>,
	<andriin@fb.com>, <bpf@vger.kernel.org>,
	<kernel-team@cloudflare.com>
Subject: Re: [PATCH bpf-next v2 05/11] bpf: make BTF pointer type checking generic
Date: Wed, 9 Sep 2020 13:15:39 -0700	[thread overview]
Message-ID: <20200909201539.kzjr5cnlpqywu4df@kafai-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200909171155.256601-6-lmb@cloudflare.com>

On Wed, Sep 09, 2020 at 06:11:49PM +0100, Lorenz Bauer wrote:
> Perform BTF type checks if the register we're working on contains a BTF
> pointer, rather than if the argument is for a BTF pointer. This is easier
> to understand, and allows removing the code from the arg_type checking
> section of the function.
Acked-by: Martin KaFai Lau <kafai@fb.com>

  reply	other threads:[~2020-09-09 20:16 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-09 17:11 [PATCH bpf-next v2 00/11] Make check_func_arg type checks table driven Lorenz Bauer
2020-09-09 17:11 ` [PATCH bpf-next v2 01/11] btf: make btf_set_contains take a const pointer Lorenz Bauer
2020-09-09 17:11 ` [PATCH bpf-next v2 02/11] bpf: check scalar or invalid register in check_helper_mem_access Lorenz Bauer
2020-09-09 17:11 ` [PATCH bpf-next v2 03/11] btf: Add BTF_ID_LIST_SINGLE macro Lorenz Bauer
2020-09-09 18:09   ` Martin KaFai Lau
2020-09-10 18:49   ` Andrii Nakryiko
2020-09-09 17:11 ` [PATCH bpf-next v2 04/11] bpf: allow specifying a BTF ID per argument in function protos Lorenz Bauer
2020-09-09 20:03   ` Martin KaFai Lau
2020-09-10 11:36     ` Lorenz Bauer
2020-09-10 18:51     ` Andrii Nakryiko
2020-09-09 17:11 ` [PATCH bpf-next v2 05/11] bpf: make BTF pointer type checking generic Lorenz Bauer
2020-09-09 20:15   ` Martin KaFai Lau [this message]
2020-09-09 17:11 ` [PATCH bpf-next v2 06/11] bpf: make reference tracking generic Lorenz Bauer
2020-09-09 20:21   ` Martin KaFai Lau
2020-09-09 17:11 ` [PATCH bpf-next v2 07/11] bpf: make context access check generic Lorenz Bauer
2020-09-09 20:42   ` Martin KaFai Lau
2020-09-09 17:11 ` [PATCH bpf-next v2 08/11] bpf: set meta->raw_mode for pointers close to use Lorenz Bauer
2020-09-09 21:04   ` Martin KaFai Lau
2020-09-09 17:11 ` [PATCH bpf-next v2 09/11] bpf: check ARG_PTR_TO_SPINLOCK register type in check_func_arg Lorenz Bauer
2020-09-09 21:14   ` Martin KaFai Lau
2020-09-09 17:11 ` [PATCH bpf-next v2 10/11] bpf: hoist type checking for nullable arg types Lorenz Bauer
2020-09-09 21:28   ` Martin KaFai Lau
2020-09-09 17:11 ` [PATCH bpf-next v2 11/11] bpf: use a table to drive helper arg type checks Lorenz Bauer
2020-09-09 22:22   ` Martin KaFai Lau

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