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  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:   Sun, 12 Apr 2020 13:27:14 -0700
From:   Josh Triplett <>
To:     "Jubran, Samih" <>
Cc:     "Machulsky, Zorik" <>,
        "Belgazal, Netanel" <>,
        "Kiyanovski, Arthur" <>,
        "Tzalik, Guy" <>,
        "Bshara, Saeed" <>,
        "" <>,
        "" <>
Subject: Re: Re: [PATCH] ena: Speed up initialization 90x by reducing poll

On Sun, Apr 12, 2020 at 09:37:22AM +0000, Jubran, Samih wrote:
> I wanted to let you know that we are still looking into your patch. 
> After some careful considerations we have decided to set the value of 
> ENA_POLL_US to 100us. The rationale behind this choice is that the 
> device might take up to 1ms to complete the reset operation and we 
> don't want to bombard device. We do agree with most of your patch 
> and we will be sending one based on it for review.

Thank you, that sounds entirely reasonable.

Please also consider making the probing asynchronous (via linux/async.h)
to allow other initialization to happen in parallel.

Powered by blists - more mailing lists