From: Kashyap Desai <kashyap.desai@broadcom.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-scsi@vger.kernel.org, linux-block@vger.kernel.org
Subject: RE: Performance drop due to "blk-mq-sched: improve sequential I/O performance"
Date: Wed, 2 May 2018 16:09:02 +0530 [thread overview]
Message-ID: <5bb14f3f91dcc1d8ff04de4f01904932@mail.gmail.com> (raw)
In-Reply-To: <20180502103403.GB31961@ming.t460p>
> > I have created internal code changes based on below RFC and using irq
> > poll CPU lockup issue is resolved.
> > https://www.spinics.net/lists/linux-scsi/msg116668.html
>
> Could we use the 1:1 mapping and not apply out-of-tree irq poll in the
> following test? So that we can keep at same page easily.
Above RFC changes are not used in my testing. I used same inbox driver
from 4.17-rc.
>
> Thanks,
> Ming
next prev parent reply other threads:[~2018-05-02 10:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 7:43 Performance drop due to "blk-mq-sched: improve sequential I/O performance" Kashyap Desai
2018-05-02 9:47 ` Ming Lei
2018-05-02 10:02 ` Kashyap Desai
2018-05-02 10:34 ` Ming Lei
2018-05-02 10:39 ` Kashyap Desai [this message]
2018-05-12 23:38 ` Ming Lei
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