linux-kernel - Re: [PATCH-next v2] lib: parser: optimize match

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 15 Dec 2022 06:55:44 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Li Lingfeng <lilingfeng3@...wei.com>
Cc:     linux-kernel@...r.kernel.org, jack@...e.cz, bingjingc@...ology.com,
        ebiggers@...gle.com, james.smart@...adcom.com, houtao1@...wei.com,
        yi.zhang@...wei.com, yangerkun@...wei.com, yukuai3@...wei.com
Subject: Re: [PATCH-next v2] lib: parser: optimize match_NUMER apis to use
 local array

On Tue, Dec 13, 2022 at 10:17:55PM +0800, Li Lingfeng wrote:
> Memory will be allocated to store substring_t in match_strdup(), which means
> the caller of match_strdup() may need to be scheduled out to wait for reclaiming
> memory.
> 
> Using local array to store substring_t to remove the restriction.
> 
> Link: https://lore.kernel.org/all/20221104023938.2346986-5-yukuai1@huaweicloud.com/
> Signed-off-by: Li Lingfeng <lilingfeng3@...wei.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun