From: Kees Cook <keescook@chromium.org>
To: Paul Moore <paul@paul-moore.com>
Cc: "Lennart Poettering" <lennart@poettering.net>,
"Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
"zhujianwei (C)" <zhujianwei7@huawei.com>,
"bpf@vger.kernel.org" <bpf@vger.kernel.org>,
"linux-security-module@vger.kernel.org"
<linux-security-module@vger.kernel.org>,
Hehuazhen <hehuazhen@huawei.com>,
"Christian Ehrhardt" <christian.ehrhardt@canonical.com>,
"Zbigniew Jędrzejewski-Szmek" <zbyszek@in.waw.pl>,
"Tom Hromatka" <tom.hromatka@oracle.com>
Subject: Re: new seccomp mode aims to improve performance
Date: Tue, 2 Jun 2020 11:39:43 -0700 [thread overview]
Message-ID: <202006021138.6E2073803@keescook> (raw)
In-Reply-To: <CAHC9VhShd2GLqei6MSREr_vzeVXNcObdVVgvhj1WP7_Ob2C3ag@mail.gmail.com>
On Tue, Jun 02, 2020 at 11:03:31AM -0400, Paul Moore wrote:
> Perhaps others will clarify, but from my reading of this thread there
> is a performance advantage to be gained by limiting the number of
> seccomp filters installed for a given process.
Generally speaking, yes, though obviously the size and layout of a single
filter (i.e. is it a balanced tree?) will still impact the overhead.
--
Kees Cook
next prev parent reply other threads:[~2020-06-02 18:39 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-29 12:48 new seccomp mode aims to improve performance zhujianwei (C)
2020-05-29 15:43 ` Alexei Starovoitov
2020-05-29 16:09 ` Kees Cook
2020-05-29 17:31 ` Alexei Starovoitov
2020-05-29 19:27 ` Kees Cook
2020-05-31 17:19 ` Alexei Starovoitov
2020-06-01 18:16 ` Kees Cook
2020-06-01 2:08 ` 答复: " zhujianwei (C)
2020-06-01 3:30 ` Alexei Starovoitov
2020-06-02 2:42 ` 答复: " zhujianwei (C)
2020-06-02 3:24 ` Alexei Starovoitov
2020-06-02 11:13 ` 答复: " zhujianwei (C)
2020-06-02 11:34 ` zhujianwei (C)
2020-06-02 18:32 ` Kees Cook
2020-06-03 4:51 ` 答复: " zhujianwei (C)
2020-06-01 10:11 ` Lennart Poettering
2020-06-01 12:32 ` Paul Moore
2020-06-02 12:53 ` Lennart Poettering
2020-06-02 15:03 ` Paul Moore
2020-06-02 18:39 ` Kees Cook [this message]
2020-06-01 18:21 ` Kees Cook
2020-06-02 12:44 ` Lennart Poettering
2020-06-02 18:37 ` Kees Cook
2020-06-16 6:00 ` Kees Cook
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