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] [day] [month] [year] [list]
Date:   Mon, 27 Mar 2017 09:26:20 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     "''" <>,
        "" <>
Subject: RE: [PATCH] igb:  add module param to set max-rss-queues.

> Sent: 24 March 2017 20:59
> From: Ben Greear <>
> In systems where you may have a very large number of network
> adapters, certain drivers may consume an unfair amount of
> IRQ resources.  So, allow a module param that will limit the
> number of IRQs at driver load time.  This way, other drivers
> (40G Ethernet, for instance), which probably will need the
> multiple IRQs more, will not be starved of IRQ resources.

ISTM that the functions for allocating MSI-X should allow a
driver to request additional interrupts after the original probe.

Then drivers than can use additional interrupts but get probed
early won't use up all the vectors before other drivers get
a chance.


Powered by blists - more mailing lists