From: Paolo Bonzini <pbonzini@redhat.com>
To: "Elliott, Robert (Server Storage)" <Elliott@hp.com>,
Mark Wu <wudx05@gmail.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: Re: dangling pointers and/or reentrancy in scmd_eh_abort_handler?
Date: Fri, 23 May 2014 11:22:13 +0200 [thread overview]
Message-ID: <537F1345.5030704@redhat.com> (raw)
In-Reply-To: <94D0CD8314A33A4D9D801C0FE68B402956F3F758@G9W0745.americas.hpqcorp.net>
Il 23/05/2014 03:28, Elliott, Robert (Server Storage) ha scritto:
> Depending on the transport, there may be a race condition between
> the command status and the ABORT TASK response; the ABORT TASK
> response might get back first. I think that means
> scsi_eh_abort_handler's call to scsi_finish_command could
> happen during or after scsi_softirq_done has called
> scsi_finish_command.
That was my doubt, in fact. But actually Bart explained that this is
not the case. Either scsi_eh_abort_handler will be called via the work
item, or the command will never be sent to the softirq.
Paolo
next prev parent reply other threads:[~2014-05-23 9:22 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-19 14:08 dangling pointers and/or reentrancy in scmd_eh_abort_handler? Paolo Bonzini
2014-05-19 15:08 ` Bart Van Assche
2014-05-19 15:25 ` Christoph Hellwig
2014-05-19 16:09 ` Paolo Bonzini
2014-05-19 16:43 ` Bart Van Assche
2014-05-20 7:32 ` Bart Van Assche
2014-05-20 8:10 ` Bart Van Assche
2014-05-20 8:40 ` Paolo Bonzini
2014-05-21 14:16 ` Mark Wu
2014-05-21 20:34 ` Paolo Bonzini
2014-05-23 1:28 ` Elliott, Robert (Server Storage)
2014-05-23 9:22 ` Paolo Bonzini [this message]
2014-05-20 8:46 ` Bart Van Assche
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