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, 31 Aug 2022 08:48:49 +0800
From:   Liu Song <liusong@...ux.alibaba.com>
To:     Chaitanya Kulkarni <chaitanyak@...dia.com>
Cc:     "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] blk-mq: change bio_set_ioprio to inline

On 2022/8/30 20:48, Chaitanya Kulkarni wrote:

> On 8/30/22 02:45, Liu Song wrote:
>> From: Liu Song <liusong@...ux.alibaba.com>
>>
>> Change "bio_set_ioprio" to inline to avoid calling overhead.
>>
>> Signed-off-by: Liu Song <liusong@...ux.alibaba.com>
> for performance overhead please provide quantitative data
>
> -ck
>
This is a small adjustment, and even if performance comparison data is 
obtained
for targeted design use cases, it is not universal. If the inline by the 
compiler is
successful, the number of instructions will be reduced.

Thanks

>

Powered by blists - more mailing lists