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: Wed, 21 Feb 2024 09:38:58 +0100
From: Uladzislau Rezki <urezki@...il.com>
To: rulinhuang <rulin.huang@...el.com>
Cc: urezki@...il.com, akpm@...ux-foundation.org, colin.king@...el.com,
	hch@...radead.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	lstoakes@...il.com, tim.c.chen@...el.com, zhiguo.zhou@...el.com,
	wangyang.guo@...el.com, tianyou.li@...el.com
Subject: Re: [PATCH] mm/vmalloc: lock contention optimization under
 multi-threading

Hello, Rulinhuang!

>
> Hi Rezki, we have submitted patch v2 to avoid the partial 
> initialization issue of vm's members and separated insert_vmap_area() 
> from alloc_vmap_area() so that setup_vmalloc_vm() has no need to 
> require lock protection. We have also verified the improvement of 
> 6.3% at 160 vcpu on intel icelake platform with this patch.
> Thank you for your patience.
>
Please work on the mm-unstable and try to measure it on the latest tip.

--
Uladzislau Rezki

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ