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
| ||
|
Date: Sat, 14 Nov 2015 08:05:31 +0100 From: Christoph Hellwig <hch@....de> To: Steve Wise <swise@...ngridcomputing.com> Cc: Christoph Hellwig <hch@....de>, linux-rdma@...r.kernel.org, sagig@....mellanox.co.il, bart.vanassche@...disk.com, axboe@...com, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/9] IB: add a helper to safely drain a QP On Fri, Nov 13, 2015 at 10:16:04AM -0600, Steve Wise wrote: > So how can we do this for iwarp? It seems like all that might be needed is > to modify the QP state to idle, retrying until it succeeds: > > If the QP is transitioning to the Error state, or has not yet > finished flushing the Work Queues, a Modify QP request to transition > to the IDLE state MUST fail with an Immediate Error. If none of the > prior conditions are true, a Modify QP to the Idle state MUST take > the QP to the Idle state. No other state transitions out of Error > are supported. Any attempt to transition the QP to a state other > than Idle MUST result in an Immediate Error. Can you try to write up some code for this? We could then wire it up in the common helper. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists