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From: SF Markus Elfring <elfring@users.sourceforge.net>
To: Stefan Hajnoczi <stefanha@gmail.com>
Cc: kvm@vger.kernel.org, netdev@vger.kernel.org,
	virtualization@lists.linux-foundation.org,
	kernel-janitors@vger.kernel.org, Jason Wang <jasowang@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Wolfram Sang <wsa@the-dreams.de>
Subject: Re: vhost/scsi: Delete error messages for failed memory allocations in five functions
Date: Mon, 22 May 2017 13:34:34 +0200	[thread overview]
Message-ID: <e6658e56-a2b0-4ecc-0a95-0ba193ff2c97@users.sourceforge.net> (raw)
In-Reply-To: <20170522112320.GA22806@stefanha-x1.localdomain>

>> Do you find information from a Linux allocation failure report sufficient
>> for any function implementations here?
> 
> If kmalloc() and friends guarantee to print a warning and backtrace on
> every allocation failure, then there's no need for error messages in
> callers.
> 
> That seems like good justification that can go in the commit
> description, but I'm not sure if kmalloc() and friends guarantee to show
> a message (not just the first time, but for every failed allocation)?

I am also looking for a more complete and easier accessible documentation
for this aspect of the desired exception handling.
How would we like to resolve any remaining open issues there?

Regards,
Markus

  reply	other threads:[~2017-05-22 11:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-20 14:30 [PATCH 0/2] vhost/scsi: Adjustments for five function implementations SF Markus Elfring
2017-05-20 14:31 ` [PATCH 1/2] vhost/scsi: Improve a size determination in four functions SF Markus Elfring
2017-05-22  9:37   ` Stefan Hajnoczi
2017-05-20 14:32 ` [PATCH 2/2] vhost/scsi: Delete error messages for failed memory allocations in five functions SF Markus Elfring
2017-05-22  9:43   ` Stefan Hajnoczi
2017-05-22 10:50     ` SF Markus Elfring
2017-05-22 11:23       ` Stefan Hajnoczi
2017-05-22 11:34         ` SF Markus Elfring [this message]
2017-05-22 14:09           ` Stefan Hajnoczi
2017-05-22 14:21             ` SF Markus Elfring
2017-05-22 12:38         ` [PATCH 2/2] " Dan Carpenter
2017-05-22 14:08           ` Stefan Hajnoczi

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