From: Sagi Grimberg <sagi@grimberg.me>
To: Max Gurtovoy <maxg@mellanox.com>,
linux-block@vger.kernel.org, linux-rdma@vger.kernel.org,
linux-nvme@lists.infradead.org
Cc: Christoph Hellwig <hch@lst.de>,
Steve Wise <swise@opengridcomputing.com>,
Israel Rukshin <israelr@mellanox.com>
Subject: Re: [PATCH] block: fix rdma queue mapping
Date: Fri, 24 Aug 2018 19:38:13 -0700 [thread overview]
Message-ID: <1057d15e-ffea-ead8-71b0-58a38174966a@grimberg.me> (raw)
In-Reply-To: <5973cbfe-1466-cf44-c33e-d9b0dbcc9ca6@mellanox.com>
> Hi Sagi,
> did you have a chance to look on Israel's and mine fixes that we
> attached to the first thread ?
>
> there are few issues with this approach. For example in case you don't
> have a "free" cpu in the mask for Qi and you take cpu from Qi+j mask.
>
> Also in case we have a non-symetrical affinity for 2 queues e.g. and the
> system has 32 cpus, the mapping is 16 for each (and not according to the
> user affinity...).
Can you explain a little better? From Steve's mappings it behaved like I
expected it to.
prev parent reply other threads:[~2018-08-25 6:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-17 22:38 [PATCH] block: fix rdma queue mapping Sagi Grimberg
2018-08-18 9:22 ` kbuild test robot
2018-08-18 9:22 ` [PATCH] block: fix semicolon.cocci warnings kbuild test robot
2018-08-19 12:45 ` [PATCH] block: fix rdma queue mapping Max Gurtovoy
2018-08-25 2:38 ` Sagi Grimberg [this message]
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