linux-kernel - Re: [[PATCH v1] 12/37] [CIFS] SMBD: Handle send completion from CQ

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: <20170813101945.GE17287@infradead.org>
Date:   Sun, 13 Aug 2017 03:19:45 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Long Li <longli@...hange.microsoft.com>
Cc:     Steve French <sfrench@...ba.org>, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org, linux-kernel@...r.kernel.org,
        Long Li <longli@...rosoft.com>
Subject: Re: [[PATCH v1] 12/37] [CIFS] SMBD: Handle send completion from CQ

You seem to be doing memory allocations and frees for every packet on
the write.  At least for other RDMA protocols that would have been
a major performance issue.  

Do you have any performance numbers and/or profiles of the code?