From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: dev@dpdk.org,
Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>,
Jianfeng Tan <jianfeng.tan@intel.com>,
Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Santosh Shukla <santosh.shukla@caviumnetworks.com>
Subject: Re: [dpdk-dev] [PATCH] eal: force IOVA PA mode if KNI module inserted
Date: Tue, 07 Nov 2017 00:25:35 +0100 [thread overview]
Message-ID: <3773078.IDCL2VCezq@xps> (raw)
In-Reply-To: <20171102000600.85309-1-ferruh.yigit@intel.com>
02/11/2017 01:06, Ferruh Yigit:
> Fix kernel crash with KNI because KNI requires physical addresses.
>
> When IOVA VA mode used, memzones and mbufs physical address fields
> contain virtual addresses. But KNI relies on these fields to enable
> kernel access for buffers. Those fields having virtual address cause
> crash in kernel.
>
> This is a workaround until KNI fixed properly to work with virtual
> addresses.
>
> Fixes: 72d013644bd6 ("mem: honor IOVA mode in malloc virt2phy")
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Applied, thanks
prev parent reply other threads:[~2017-11-06 23:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-02 0:06 Ferruh Yigit
2017-11-02 3:58 ` santosh
2017-11-02 9:04 ` Ferruh Yigit
2017-11-06 23:25 ` Thomas Monjalon [this message]
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