From: Christoph Hellwig <hch@lst.de>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Dennis Chen <dennis.chen@arm.com>,
linux-pci@vger.kernel.org, linux-ide@vger.kernel.org,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Steve Capper <steve.capper@arm.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Tom Long Nguyen <tom.l.nguyen@intel.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Tejun Heo <tj@kernel.org>,
nd@arm.com, Christoph Hellwig <hch@lst.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] PCI:MSI Return -ENOSPC when requested vectors is not enough
Date: Thu, 12 Jan 2017 14:42:18 +0100 [thread overview]
Message-ID: <20170112134218.GA15178@lst.de> (raw)
In-Reply-To: <20170111181853.GA14532@bhelgaas-glaptop.roam.corp.google.com>
On Wed, Jan 11, 2017 at 12:18:53PM -0600, Bjorn Helgaas wrote:
> Unless Christoph objects, I'll apply this, but I don't understand the
> situation with 17a51f12cfbd. That commit doesn't check for EINVAL or
> ENOSPC so I don't know what the connection with this patch is.
I don't think that commit is the culprit.
> I know Christoph said he changed something in ahci to treat all errors
> the same, but I don't know where that is, either.
"ahci: always fall back to single-MSI mode"
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] PCI:MSI Return -ENOSPC when requested vectors is not enough
Date: Thu, 12 Jan 2017 14:42:18 +0100 [thread overview]
Message-ID: <20170112134218.GA15178@lst.de> (raw)
In-Reply-To: <20170111181853.GA14532@bhelgaas-glaptop.roam.corp.google.com>
On Wed, Jan 11, 2017 at 12:18:53PM -0600, Bjorn Helgaas wrote:
> Unless Christoph objects, I'll apply this, but I don't understand the
> situation with 17a51f12cfbd. That commit doesn't check for EINVAL or
> ENOSPC so I don't know what the connection with this patch is.
I don't think that commit is the culprit.
> I know Christoph said he changed something in ahci to treat all errors
> the same, but I don't know where that is, either.
"ahci: always fall back to single-MSI mode"
next prev parent reply other threads:[~2017-01-12 13:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-01 2:15 [PATCH] PCI:MSI Return -ENOSPC when requested vectors is not enough Dennis Chen
2016-12-01 2:15 ` Dennis Chen
2016-12-01 2:15 ` Dennis Chen
2016-12-01 8:52 ` Christoph Hellwig
2016-12-01 8:52 ` Christoph Hellwig
2016-12-01 8:52 ` Christoph Hellwig
2016-12-02 6:04 ` Dennis Chen
2016-12-02 6:04 ` Dennis Chen
2016-12-02 6:04 ` Dennis Chen
2017-01-11 18:18 ` Bjorn Helgaas
2017-01-11 18:18 ` Bjorn Helgaas
2017-01-11 18:18 ` Bjorn Helgaas
2017-01-12 13:42 ` Christoph Hellwig [this message]
2017-01-12 13:42 ` Christoph Hellwig
2017-02-10 22:16 ` Bjorn Helgaas
2017-02-10 22:16 ` Bjorn Helgaas
2017-02-10 22:16 ` Bjorn Helgaas
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