linux-kernel - Re: [PATCH, RFC] block: set noio context in submit_bio_noacct

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]

Message-ID: <be690355-03c6-42e2-a13f-b593ad1c0edd@kernel.dk>
Date: Wed, 24 Jan 2024 08:40:28 -0700
From: Jens Axboe <axboe@...nel.dk>
To: Christoph Hellwig <hch@....de>
Cc: linux-block@...r.kernel.org, tj@...nel.org, jiangshanlai@...il.com,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH, RFC] block: set noio context in submit_bio_noacct_nocheck

On 1/24/24 2:39 AM, Christoph Hellwig wrote:
> Make sure all in-line block layer submission runs in noio reclaim
> context.  This is a big step towards allowing GFP_NOIO, the other
> one would be to have noio (and nofs for that matter) workqueues for
> kblockd and driver internal workqueues.

I really don't like adding this for no good reason. Who's doing non NOIO
allocations down from this path?

-- 
Jens Axboe