From: David Miller <davem@davemloft.net>
To: mroos@linux.ee
Cc: hch@lst.de, helgaas@kernel.org, sparclinux@vger.kernel.org,
linux-pci@vger.kernel.org, qla2xxx-upstream@qlogic.com,
linux-kernel@vger.kernel.org
Subject: Re: 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2 vectors
Date: Tue, 22 Aug 2017 09:45:57 -0700 (PDT) [thread overview]
Message-ID: <20170822.094557.1690177202348153731.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LRH.2.20.1708221932490.23061@math.ut.ee>
From: Meelis Roos <mroos@linux.ee>
Date: Tue, 22 Aug 2017 19:33:55 +0300 (EEST)
>> > On Mon, Aug 21, 2017 at 01:35:49PM -0700, David Miller wrote:
>> >> I ask because the commit log message indicates that this failure is
>> >> not expected to ever happen on SMP.
>> >
>> > I fear my commit message (but not the code) might be wrong.
>> > irq_create_affinity_masks can return NULL any time we don't have any
>> > affinity masks. I've already had a discussion about this elsewhere
>> > with Bjorn, and I suspect we need to kill the warning or move it
>> > to irq_create_affinity_masks only for genuine failure cases.
>>
>> This is a rather large machine with 64 or more cpus and several NUMA
>> nodes. Why wouldn't there be any affinity masks available?
>
> T5120 with 1 slot and 32 threads total. I have not configured any NUM on
> it is there any reason for that?
Ok 32 cpus and 1 NUMA node, my bad :-)
next prev parent reply other threads:[~2017-08-22 16:45 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-15 14:54 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2 vectors Meelis Roos
2017-08-15 18:44 ` Bjorn Helgaas
2017-08-15 20:24 ` Meelis Roos
2017-08-16 18:39 ` Meelis Roos
2017-08-16 19:02 ` Bjorn Helgaas
2017-08-17 14:47 ` Meelis Roos
2017-08-21 18:27 ` David Miller
2017-08-21 18:34 ` Christoph Hellwig
2017-08-21 19:20 ` mroos
2017-08-21 20:35 ` David Miller
2017-08-22 5:02 ` Meelis Roos
2017-08-22 6:35 ` Christoph Hellwig
2017-08-22 16:31 ` David Miller
2017-08-22 16:33 ` Meelis Roos
2017-08-22 16:45 ` David Miller [this message]
2017-08-22 16:39 ` Christoph Hellwig
2017-08-22 16:52 ` David Miller
2017-08-17 10:09 ` Christoph Hellwig
2017-08-17 10:17 ` Meelis Roos
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