From: Thomas Monjalon <thomas@monjalon.net>
To: Chas Williams <3chas3@gmail.com>
Cc: dev@dpdk.org, anatoly.burakov@intel.com, Chas Williams <chas3@att.com>
Subject: Re: [dpdk-dev] [PATCH] eal: add option to force IOVA as PA mode
Date: Thu, 30 Nov 2017 10:17:52 +0100 [thread overview]
Message-ID: <2600590.OO5gESNU7Y@xps> (raw)
In-Reply-To: <20171130025739.4349-1-3chas3@gmail.com>
30/11/2017 03:57, Chas Williams:
> From: Chas Williams <chas3@att.com>
>
> The IOMMU in some machines report that they can only support
> limited widths. IOVA virtual addresses may exceed this width
> making the use of IOVA virtual addresses difficult. The option
> CONFIG_RTE_LIBRTE_USE_PHYS_IOVA can used to force IOVA physical
> address usage.
Which machines are you talking about?
A run-time option may be a better solution.
next prev parent reply other threads:[~2017-11-30 9:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 2:57 Chas Williams
2017-11-30 9:17 ` Thomas Monjalon [this message]
2017-12-03 0:23 ` Chas Williams
2018-01-12 0:12 ` Thomas Monjalon
2018-01-12 3:28 ` Chas Williams
2017-12-01 5:48 ` Hemant Agrawal
2017-12-03 0:25 ` Chas Williams
-- strict thread matches above, loose matches on Subject: below --
2017-11-30 2:57 Chas Williams
2017-11-30 2:56 Chas Williams
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