netdev - Re: [PATCH net] ibmvnic: Only do H

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]

Message-Id: <20180523.145444.1321544791132829125.davem@davemloft.net>
Date:   Wed, 23 May 2018 14:54:44 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     nfont@...ux.vnet.ibm.com
Cc:     netdev@...r.kernel.org, jallen@...ux.vnet.ibm.com,
        tlfalcon@...ux.vnet.ibm.com
Subject: Re: [PATCH net] ibmvnic: Only do H_EOI for mobility events

From: Nathan Fontenot <nfont@...ux.vnet.ibm.com>
Date: Tue, 22 May 2018 11:21:10 -0500

> When enabling the sub-CRQ IRQ a previous update sent a H_EOI prior
> to the enablement to clear any pending interrupts that may be present
> across a partition migration. This fixed a firmware bug where a
> migration could erroneously indicate that a H_EOI was pending.
> 
> The H_EOI should only be sent when enabling during a mobility
> event though. Doing so at other time could wrong and can produce
> extra driver output when IRQs are enabled when doing TX completion.
> 
> Signed-off-by: Nathan Fontenot <nfont@...ux.vnet.ibm.com>

Applied, thanks.