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From: Ian Munsie <imunsie@au1.ibm.com>
To: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Cc: Michael Ellerman <michaele@au1.ibm.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Matt Ochs <mrochs@us.ibm.com>, Manoj Kumar <kumarmn@us.ibm.com>,
	linuxppc-dev <linuxppc-dev@ozlabs.org>,
	Michael Neuling <mikey@neuling.org>
Subject: Re: [PATCH v3 1/2] cxl: Add mechanism for delivering AFU driver specific events
Date: Thu, 10 Mar 2016 12:26:22 +1100	[thread overview]
Message-ID: <1457573125-sup-1934@delenn.ozlabs.ibm.com> (raw)
In-Reply-To: <56DFEC78.9050704@linux.vnet.ibm.com>

Excerpts from Frederic Barrat's message of 2016-03-09 20:27:20 +1100:
> It would also avoid entering
>         WARN(1, "afu_read must be buggy\n");
> if the driver changes its mind between the 2 calls :-)

Honestly, it had better not - that would be a gross violation of the
poll & read semantics and the kind of thing that leads to application
hangs.

Cheers,
-Ian

  parent reply	other threads:[~2016-03-10  1:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-08  1:48 [PATCH v3 1/2] cxl: Add mechanism for delivering AFU driver specific events Ian Munsie
2016-03-08  1:48 ` [PATCH v3 2/2] cxl: add set/get private data to context struct Ian Munsie
2016-03-08  7:59   ` Andrew Donnellan
2016-03-08  4:06 ` [PATCH v3 1/2] cxl: Add mechanism for delivering AFU driver specific events Matt Ochs
2016-03-08  7:59 ` Andrew Donnellan
2016-03-09  9:27 ` Frederic Barrat
2016-03-10  0:46   ` Ian Munsie
2016-03-10  1:26   ` Ian Munsie [this message]
2016-03-09 14:37 ` Vaibhav Jain
2016-03-09 16:41   ` Matt Ochs
2016-03-09 17:08   ` Frederic Barrat
2016-03-10 17:19     ` Vaibhav Jain
2016-03-10  1:18   ` Ian Munsie
2016-03-10 17:39     ` Vaibhav Jain
2016-03-11  1:48     ` Andrew Donnellan
2016-03-10  3:24   ` Michael Neuling
2016-03-10 17:23     ` Vaibhav Jain

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