netdev - Re: [PATCH net-2.6] sfc: Fix polling for slow MCDI operations

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] [day] [month] [year] [list]

Date:	Wed, 13 Jan 2010 17:15:51 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH net-2.6] sfc: Fix polling for slow MCDI operations

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Wed, 13 Jan 2010 14:34:25 +0000

> When the interface is down and we are using polled mode for MCDI
> operations, we busy-wait for completion for approximately 1 jiffy
> using udelay() and then back off to schedule().  But the completion
> will not wake the task, since we are using polled mode!  We must use
> schedule_timeout_uninterruptible() instead.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html