linux-kernel - Re: [PATCH v4 9/9] PCI/MSI: Introduce pci_auto_enable

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Message-ID: <20131220132824.GA4298@htj.dyndns.org>
Date:	Fri, 20 Dec 2013 08:28:24 -0500
From:	Tejun Heo <tj@...nel.org>
To:	Alexander Gordeev <agordeev@...hat.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Michael Ellerman <michael@...erman.id.au>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	David Laight <David.Laight@...lab.com>,
	Mark Lord <kernel@...rt.ca>, "H. Peter Anvin" <hpa@...or.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v4 9/9] PCI/MSI: Introduce pci_auto_enable_msi*() family
 helpers

Hello,

On Fri, Dec 20, 2013 at 10:04:13AM +0100, Alexander Gordeev wrote:
> I can only identify two downsides of the approach above - (a) repeated error
> logging in a platform code (i.e. caused by -ENOMEM) and (b) repeated attempts
> to enable MSI when the platform already reported a fatal error.

I don't think (a) is likely as long as only -ENOSPC is retried, which
also solves (b).

Thanks.

-- 
tejun
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