From: xiujianfeng <xiujianfeng@huawei.com>
To: Kees Cook <keescook@chromium.org>
Cc: <akpm@linux-foundation.org>, <laniel_francis@privacyrequired.com>,
<andriy.shevchenko@linux.intel.com>, <adobriyan@gmail.com>,
<linux@roeck-us.net>, <andreyknvl@gmail.com>, <dja@axtens.net>,
<ast@kernel.org>, <daniel@iogearbox.net>, <andrii@kernel.org>,
<kafai@fb.com>, <songliubraving@fb.com>, <yhs@fb.com>,
<john.fastabend@gmail.com>, <kpsingh@kernel.org>,
<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<bpf@vger.kernel.org>
Subject: Re: [PATCH -next 0/2] Introduce memset_range() helper for wiping members
Date: Wed, 8 Dec 2021 18:30:31 +0800 [thread overview]
Message-ID: <85904fc5-0c1b-7410-b818-7d0b959ce7af@huawei.com> (raw)
In-Reply-To: <202112072125.AC79323201@keescook>
在 2021/12/8 13:27, Kees Cook 写道:
> On Wed, Dec 08, 2021 at 11:04:49AM +0800, Xiu Jianfeng wrote:
>> Xiu Jianfeng (2):
>> string.h: Introduce memset_range() for wiping members
> For doing a memset range, the preferred method is to use
> a struct_group in the structure itself. This makes the range
> self-documenting, and allows the compile to validate the exact size,
> makes it addressable, etc. The other memset helpers are for "everything
> to the end", which doesn't usually benefit from the struct_group style
> of range declaration.
Do you mean there is no need to introduce this helper, but to use
struct_group in the struct directly?
>
>> bpf: use memset_range helper in __mark_reg_known
> I never saw this patch arrive on the list?
I have send this patch as well, can you please check again?
>
prev parent reply other threads:[~2021-12-08 10:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-08 3:04 [PATCH -next 0/2] Introduce memset_range() helper for wiping members Xiu Jianfeng
2021-12-08 3:04 ` [PATCH -next 1/2] string.h: Introduce memset_range() " Xiu Jianfeng
2021-12-08 4:28 ` Andrew Morton
2021-12-08 10:30 ` xiujianfeng
2021-12-08 23:44 ` Andrew Morton
2021-12-09 5:17 ` Kees Cook
2021-12-09 6:29 ` xiujianfeng
2021-12-09 6:29 ` xiujianfeng
2021-12-08 17:12 ` Alexey Dobriyan
2021-12-08 3:04 ` [PATCH -next 2/2] bpf: use memset_range helper in __mark_reg_known Xiu Jianfeng
2021-12-08 5:27 ` [PATCH -next 0/2] Introduce memset_range() helper for wiping members Kees Cook
2021-12-08 10:30 ` xiujianfeng [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=85904fc5-0c1b-7410-b818-7d0b959ce7af@huawei.com \
--to=xiujianfeng@huawei.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=andreyknvl@gmail.com \
--cc=andrii@kernel.org \
--cc=andriy.shevchenko@linux.intel.com \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=dja@axtens.net \
--cc=john.fastabend@gmail.com \
--cc=kafai@fb.com \
--cc=keescook@chromium.org \
--cc=kpsingh@kernel.org \
--cc=laniel_francis@privacyrequired.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=netdev@vger.kernel.org \
--cc=songliubraving@fb.com \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).